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analytical methods; experts; monitoring; public research; risk assessment; universities
Abstract:
... Authentication of food and feed covers a broad range of topics, matrices, analytical techniques and research approaches. To address future challenges of authenticity testing, cooperation among public institutes becomes more and more important. In this perspective, the Federal Institute for Risk Assessment (BfR) organized a German-wide meeting (translated title: Status quo of authenticity testing o ...
aflatoxin B1; aflatoxin M1; average daily intake; detection limit; fluid milk; laws and regulations; mammals; milk; milk consumption; pasteurization; raw milk; risk; toxicity; Brazil
Abstract:
... Aflatoxin M₁ is one of the most common toxic natural substances found worldwide. It metabolizes from aflatoxin B₁ that is present in the diet of mammals. In this study, 84 milk samples were investigated in total, and 63 (75 %) were contaminated with aflatoxin M₁ above the limit of detection. No difference was observed between the samples from organic and conventional systems (0.021 vs. 0.018 µg/kg ...
European Union; aflatoxins; developing countries; fluorometry; industry; peanut butter; peanut flour; peanuts; risk management; supermarkets; Malawi; United States
Abstract:
... This study was performed as a follow-up to a study from 2013, to assess the impact of management interventions on aflatoxin incidence and levels in commercial groundnut products in Malawi. Sixty-seven samples of commercial groundnut products were analyzed for aflatoxin using a fluorometric method. Total aflatoxin levels ranged from 1.5 to 1200 μg/kg in raw groundnuts and 83–820 μg/kg in groundnut ...
European Union; aromatic amines; cadmium; carcinogens; ceramics; food contact surfaces; food safety; formaldehyde; glass; health effects assessments; lead; melamine; metal ions
Abstract:
... The European Rapid Alert System (RASFF) is a key tool for food safety used by EU member states for swift exchange about serious health risks due to food, feed and food contact materials. Until now, a detailed analysis of submitted notifications concerning food contact materials over a longer time period was not available. Therefore, an examination on alert notifications concerning food contact mat ...
... In the framework of control of plant protection products, competent government authorities and holders of product authorisations and parallel import permits take samples of plant protection products and examine them for identity, or rather conformity with the product authorisation. A decisive factor for the correctness of analytic results produced in the laboratory, and which may also be used in l ...
agribusiness; animal welfare; business enterprises; consumer preferences; corporate social responsibility; markets; poultry; product quality; questionnaires; Germany
Abstract:
... Since the 1950ies, corporate social responsibility is gaining more importance worldwide both in theory and practice. In the agribusiness sector, corporate social responsibility is now firmly on the agenda of many companies. A sub-sector of agribusiness, and a particularly interest for the wider public is the poultry sector. The German market offers a high economic potential, but poultry firms in G ...
... Due to health concerns regarding the microbiological safety of fresh produce, consumers frequently wash fresh produce before consumption. Household sanitizers including tap water, vinegar (5.0, 1.5, 1.0%), baking soda, commercial wash, and bleach solutions were evaluated for their effectiveness in reducing counts of Salmonella enterica on spinach leaves. Treatments were carried out at 23 °C for 2 ...
... Hawk tea and camellia oil widely consumed in China. In this work, the addition of 3 hawk tea extracts, namely hawk bud tea extract (HBE), hawk primary leaf tea extract and hawk mature leaf tea extract (HME), to camellia oil was evaluated as potential antioxidants against oxidation under microwave heating. Quality parameters (acid value, peroxide value, K₂₇₀ and K₂₃₂), fatty acid composition, total ...
... Two isostructural metal–organic frameworks (MOFs) were tested as adsorbent materials in matrix solid-phase dispersion (MSPD) for the extraction of lindane, bifenthrin, and pirimicarb from freeze-dried chicken eggs (Gallus gallus domesticus). A validated methodology (1.5 g of Florisil® as dispersant, cleanup with 0.5 g of C₁₈, and 10 mL of acetonitrile as eluent) was used to evaluate the performanc ...
... The trend towards functional foods and healthy diets encourages researchers to produce new probiotic food products with improved probiotic delivery methods. Recently, edible films have been applied as carriers for probiotics, improving their survival in the foods and the gastrointestinal tract. This article is structured as follows: a description of edible films as probiotic carriers is followed b ...
... Consumption of seafood contaminated with Vibrio parahaemolyticus leads to acute gastroenteritis. Bacteriophages are considered the biological enemies of bacteria, present in the same ecosystem where the bacteria are found, and their applicability in reducing pathogens in the food industry cannot be overlooked. Hence, we aimed to isolate novel lytic bacteriophages and evaluate their potential appli ...
... The objective of this study was to extend the shelf life of sliced sourdough bread by active packaging using oxygen absorbers of different capacity in combination with a modified atmosphere. The sourdough bread slices were packaged using biaxially oriented polypropylene/polyvinylidene chloride (BOPP/PVDC) bags with two oxygen absorbers of different capacity (100 and 300 cc) under different atmosph ...
... The occurrence of 16 polycyclic aromatic hydrocarbons (PAHs) in 68 brands of teas, bought in Poland, was surveyed using ultrasonic extraction of dried teas and liquid–liquid extraction of infusions. The extracts were cleaned by solid phase extraction. The instrumental analysis was performed using gas chromatography coupled with mass spectrometry (GC–MS). The total content of 16 PAHs (∑16PAHs) rang ...
... This study involved the development of an ultra-high-performance liquid chromatography-fluorescence method for rapid detection of piperazine residues in eggs. Accelerated solvent extraction, a rapid and efficient sample extraction technique, was used to extract piperazine from egg samples (whole egg, albumin and yolk). Ground eggs were subjected to accelerated solvent extraction using n-hexane in ...
... The objectives of this study were to characterize the antibacterial substances produced by Enterococcus faecium YT52 isolated from boza, and to evaluate the safety of this strain. E. faecium YT52 inhibits various Gram-positive bacteria, including foodborne pathogens such as Listeria monocytogenes and Bacillus cereus. The manner of action of its antibacterial activity, using proteolytic enzymes, in ...
business enterprises; carbon nanotubes; ceramics; cosmetics; environmental impact; exposure assessment; hazard characterization; health effects assessments; humans; markets; medicine; nanoparticles; paints; physicochemical properties; research institutions; sustainable development; tires; toxicity
Abstract:
... Nanoparticles, which are much smaller than human cells, are being used already in many products, such as cosmetics, paints or tires. An early forecast of the effects of synthetic nanoparticles on humans and the environment represents an important precondition for the sustainable development of nanotechnology. With the example of carbon nanotubes and synthetic metallic and ceramic nanoparticles hav ...
... The present study aims to quantify biofilm formation and determine the drug resistance profile of Staphylococcus aureus isolated from raw, pasteurized and ultra-high temperature (UHT) milk. Detection of S. aureus was made in 90 cow milk samples (30 raw, 30 pasteurized and 30 UHT). Biofilm biomass quantification was performed in 96-well polystyrene plates using the crystal violet technique. The res ...
... The total of 84 Bluefin tunas (Thunnus Thynnus) were analysed in order to obtain an overview of biogenic amines incidences in geographically distant capture fishing FAO (Food and Agriculture Organization of the United Nations) zones: Western Indian Ocean (51), Mediterranean Sea (37), Western Central Pacific Ocean (71) and Eastern Central Atlantic Ocean (34). Cadaverine and putrescine were remarkab ...
... Beside the well characterized bisphenol A, bisphenol F was recently detected in foodstuff (mustard). In this study, the formation mechanism of bisphenol F from sinalbin was verified. After optimizing the LC–MS/MS- method, the appearance of the different Bisphenol F-isomers in various mustard samples were evaluated. The highest concentrations were found in medium hot mustard, the lowest were found ...
Salix alba; adverse effects; athletic performance; bark; cadmium; dietary supplements; heavy metals; toxicity; weight loss
Abstract:
... Commercial dietary supplements containing Salix alba bark are used for weight loss and athletic performance enhancement. A systematic literature review on adverse effects potentially resulting from oral intake of such supplements was performed. In spite of the long history of medical use only very limited data on toxicity of white willow bark are available. However willow bark in comminuted or pow ...
... Listeria monocytogenes is a major foodborne pathogen causing increased morbidity worldwide. It forms resistant biofilm structures in food processing facilities after sanitization, consequently creating a public health concern. Many studies on the metabolism and transmission of L. monocytogenes has provided insights into its intracellular infection process, however there is limited understanding on ...
alpha-chlorohydrin; biscuits; crackers; packaging; packaging materials; paper; pastries; polyethylene; sodium chloride; solar radiation; storage time
Abstract:
... We investigated the changes of free 3-monochloropropane-1,2-diol content in two groups of shortcrust pastry samples (salty crackers and sweet biscuits) stored under different conditions. The experiment involved an impact assessment of 2 packaging types (paper and polyethylene), different storage time (from 1 to 5 months) and sunlight exposure. Our results show a significant decrease in compound le ...
... In this study, we investigated the clonality, antibiotic susceptibility and presence of different enterotoxin genes among 49 methicillin-resistant Staphylococcus aureus (MRSA) strains isolated from 131 fresh raw meat samples in Tehran, Iran during 2016. 47% of beef, 30% of chicken and 27% of turkey samples were MRSA positive. PhenePlate (PhP typing) revealed the presence of 12 PhP types consisting ...
... For the analytical surveillance of genetic engineering operations suitable methods for characterization of used (recombinant) cell lines and used transfer vector plasmids are needed. The purpose of the described method is the identification of retroviral DNA-isoforms based on lenti-or gammaretrovirus (HIV-1 or MLV). The primers, used in an optimized touch-down PCR protocol, specifically amplify tr ...
X-ray diffraction; biodegradability; chitin; gelatin; nanocomposites; nanofibers; starch; thermoplastics; water solubility; water vapor
Abstract:
... In this study, the fabrication and characterization of chitin nanofiber (ChNF)-based nanocomposites containing biodegradable polymers including thermoplastic starch, gelatin, and poly(vinyl alcohol) were carried out. Field-emission scanning electron microscope micrographs showed that mixing ChNF with polymers generated more homogeneous and integrated surfaces compared to that of pure ChNF film. X- ...
... Ciguatera fish poisoning (CFP) is the most common fish intoxication worldwide. It is caused by ciguatoxins produced by tropical, benthic and epiphytic microalgae in the genera Gambierdiscus and Fukuyoa. These potent neurotoxins accumulate in the food chain reaching their highest concentration in tropical fish and invertebrates. In addition to gastrointestinal symptoms, cold allodynia and other neu ...
analytical methods; chemical compounds; developing countries; energy costs; food matrix; food safety; foods; pest control; pesticide residues; pesticides; pollution
Abstract:
... In recent years, food safety and environmental concerns became a significant issue, especially in developing countries. Pesticides have been applied broadly in agriculture to enhance the production and quality of the agricultural products and in order to decrease the energy cost. Pesticides are non-biodegradable chemical compounds and commonly used in agriculture for pest control and to increase y ...
clothianidin; crops; detection limit; dietary exposure; field experimentation; green beans; half life; liquid chromatography; liquid-phase microextraction; pepper; pesticide residues; tandem mass spectrometry; watermelons
Abstract:
... We developed an analytical method for quantifying clothianidin residues in green bean, pepper and watermelon crops using dispersive liquid-liquid microextraction (DLLME) and liquid chromatography-tandem mass spectrometry; this method was more rapid, sensitive and simple than QuEChERS sample preparation. Method validation indicated that the recovery for clothianidin was 80.8–93.1%, intra-day and in ...
... The analysis of food for allergens is an inherent part of consumer protection against health risks. Before application, these methods require validation by collaborative studies to ensure comparable results between laboratories. In this article, we present results of collaborative trial studies for validating RT-PCR methods for the detection and quantification of two food allergens, fish and peanu ...
... In this article, we present a multiplex real-time PCR method for a simultaneous, sensitive and specific detection and semi-quantitative estimation of the allergenic species peanut, hazelnut, walnut and cashew in food. Due to the use of multicopy target sequences, a very sensitive detection of the allergenic ingredients was possible. The method was validated in-house as well as by a collaborative t ...
... In this study, the occurrence of human pathogenic Yersinia enterocolitica in spiced minced meat, pork for production of minced meat and soft, short ripened, raw sausages in Saxony, Germany, was investigated over a 5-year period (2013–2017). The pathogen could be isolated in 11.5% of ready-to-eat minced meat samples (n = 2,145). Pork for production of minced meat (n = 62) was positive in 22.6% and ...
public opinion; radioprotective effect; solar radiation; sunscreens
Abstract:
... The results of Stiftung Warentest, ÖKO-TEST and the official control laboratories are poorly comparable because of their different objects, even if there are some overlaps. Given the example of cosmetic sunscreen products, which had been tested by all 3 institutions over several years, the differences in testing and evaluation are presented. We show that also the testings of the single institution ...
Escherichia coli; Salmonella; animal-based foods; antibiotic resistance; bacteria; bacterial contamination; beef; heat treatment; livestock and meat industry; meat processing; meta-analysis; oxidants; public health; raw meat
Abstract:
... Recent foodborne illnesses associated with antibiotic resistant bacteria infection have increased public health concerns throughout the world, particularly through the consumption of animal-derived foods, such as beef products. Even though commercial antimicrobial interventions in meat industries are overall efficient to eliminate bacterial contamination, the capability of antibiotic resistant bac ...
European Union; active ingredients; agricultural products; compliance; databases; dietary exposure; food processing; humans; livestock; maximum residue limits; pesticides; physicochemical properties; risk assessment
Abstract:
... Often, agricultural commodities are not eaten raw but undergo processing operations prior to human consumption. These may significantly affect the residue levels of pesticides contained therein and/or thereon. Due to the physico-chemical properties of the residue, its concentration may decrease or increase in processed fractions compared to the initial concentration in the raw agricultural commodi ...
European Union; Pangasianodon hypophthalmus; Sander lucioperca; consumer information; fillets; fish products; muscle tissues; pH; protein content
Abstract:
... We investigated the composition of muscle tissue from 30 untreated striped catfish (Pangasianodon hypophthalmus) and 40 untreated pikeperch (Sander lucioperca). The analyzed fillets had a mean moisture level of 77.5 % in striped catfish and 78.7 % in pikeperch. The mean level of protein content was 19 % in striped catfish and 20.5 % in pikeperch; the pH was 6.5 in striped catfish and 6.8 in pikepe ...
Anne Louise Gimsing; Jutta Agert; Nicole Baran; Arnaud Boivin; Federico Ferrari; Richard Gibson; Lisa Hammond; Florian Hegler; Russell L. Jones; Wolfram König; Jenny Kreuger; Ton van der Linden; Dirk Liss; Ludovic Loiseau; Andy Massey; Benedict Miles; Laurent Monrozies; Andy Newcombe; Anton Poot; Graham L. Reeves; Stefan Reichenberger; Annette E. Rosenbom; Horst Staudenmaier; Robin Sur; Andreas Schwen; Michael Stemmer; Wiebke Tüting; Uta Ulrich
European Union; active ingredients; aquifers; ecotoxicology; environmental monitoring; experimental design; exposure assessment; geophysics; good laboratory practices; groundwater; guidelines; leaching; metabolites; pesticides; plant protection; prospective studies; retrospective studies; soil; tracer techniques; water quality; water quality standards; watersheds; wells; Europe
Abstract:
... Groundwater monitoring is recommended as a higher-tier option in the regulatory groundwater assessment of plant protection products in the European Union. However, to date little guidance has been provided on study designs. SETAC EMAG-Pest GW, a group of regulatory, academic, and industry scientists, was created in 2015 to establish scientific recommendations for conducting such studies. This repo ...
... In recent years, interest in the integration and application of neuroscientific theories, concepts, findings and methods to the research discipline of consumer behavior has been increasing. The sub-discipline of consumer neuroscience that has resulted from that interest belongs to the innovative approach of neuroeconomics. Consumer neuroscience investigates problems of consumption and marketing th ...
animal welfare; eggs; farmed animal species; livestock production; markets; meat; milk; prices; production technology; willingness to pay; Europe
Abstract:
... In the past several years, intensive livestock production is an increasing focus of public criticism. Growing segments of society in many European countries have repeatedly demanded higher Farm Animal Welfare (FAW) standards. In response to this, a number of programs that sell meat from more animal friendly production systems (so called animal welfare programs) have emerged on the market in recent ...
... Arthrospira (“Spirulina”) is the most used cyanobacterium in food supplementation. “Spirulina” products are considered as superfood due to their excellent nutritional content, although several studies have shown the toxic effects of short and long term “Spirulina” consumption. In this work, a total of 31 “Spirulina” products from different brands, available in Greece, were investigated for their c ...
... Linking derivation of potential target values of PCDD/Fs in animal feed with risk assessment for consumer protection is a challenge when tolerable weekly intake (TWI) and transfer factors from feed to food are considered. Generally, maximum values for feed and food are set separately without considering the feed and the food producing animal as an important factor along the food chain from farm to ...
... Official control samples of wheat and rye flour were analyzed for the presence of Shiga-toxin producing Escherichia coli (STEC) in 25 g. The detection procedure was based on enrichment in buffered peptone water and Tryptone Bile X-Glucuronide agar, followed by multiplex real-time PCR with an internal positive control. Positive samples were sub-cultured for strain isolation by a two-step procedure. ...
... One of the main food safety concerns is the extensive fraud in food production that necessitates the development of rapid and accurate diagnostic detection methods. Recently, the near-infrared spectroscopy has been used as a non-destructive method in combination with multivariate analysis methods to evaluate the quality of foods. Spices are very useful in our daily lives. They improve the flavor, ...
... Delivery of foreign DNA is still a very controversial issue, especially in relation to genetically modified organisms. It is not necessary to use genetically modified feed to verify the possible transfer of DNA from food into the body. In this study, we evaluated the possible transfer of DNA from wheat forage (of single component diet) into the blood of three different organisms. DNA isolation kit ...
... The production of olive oil and soybean oil is expensive and time-consuming, and the products have high commercial value. These make the products highly susceptible to economically motivated adulteration, especially on the Chinese market. The study was performed to elucidate the possible detection of varying adulteration levels of corn oil in olive and soybean oil using the carbon isotope techniqu ...
World Health Organization; average daily intake; carcinogenicity; death; farms; fish; fish ponds; health effects assessments; human health; intestines; liver; microcystins; oxidation; public health; tissues; Egypt
Abstract:
... Microcystins (MCs), the most common cyanobacterial toxins in freshwaters, can accumulate in aquatic animals in free and bound forms. MCs therefore pose a risk to human health upon consumption of contaminated fish tissues, as they cause severe liver damage and death with potential carcinogenic effects. While there have been extensive studies on free MC contents in fish tissues, the detection of bou ...
... Patients with celiac disease have to rely on the safety of gluten-free foods (GFF), which are frequently contaminated by gluten. Hence, the evaluation of the gluten level in these foods is important. The aim of this study was to assess the gluten content in GFF available in Morocco. It was carried out on 84 food samples including 52 labelled gluten-free foods (L-GFF) and 32 naturally gluten-free f ...
Food and Agriculture Organization; World Health Organization; acceptable daily intake; average daily intake; body weight; children; food additives; food consumption; nitrites; processed meat; sausages; Korean Peninsula
Abstract:
... The purpose of this study was to assess daily nitrite intake from processed meats in Korea. The estimated daily intake (EDI) of nitrite was calculated from analytical data and national food consumption data (2010). First, the nitrite contents of 287 food items were measured and the data on nitrite concentrations were combined with national food consumption data to obtain the EDI of nitrite. The hi ...
Karmina Álvarez-Segovia; Rebeca García-Varela; Hugo Sergio García; José Eleazar Aguilar-Toalá; María del Carmen Estrada-Montoya; Belinda Vallejo-Cordoba; Aaron Fernando González-Córdova; Adrian Hernández-Mendoza
acidity; aflatoxin B1; alcohols; beers; bitterness; body weight; brewing industry; color; grains; health hazards; maximum residue limits; pH; Mexico
Abstract:
... Beer is one of the oldest alcoholic beverages; however, it may be contaminated by aflatoxin B₁ (AFB₁), a highly toxic mycotoxin. The content of AFB₁ in 384 samples from 16 trademarks of clear lager beers, produced by two Mexican breweries, was evaluated and physicochemical parameters were determined. Samples were collected (4 canned or bottled beers per trademark per month) from July to December 2 ...
... As an important byproduct of rice bran in the rice milling industry, rice bran oil (RBO) has become increasingly popular in daily diets in recent years. Cadmium (Cd) is a toxic element and easily accumulates in rice bran; thus, it is of great significance to investigate Cd occurrence in RBOs for the sake of public health. In this study, an ultrasound-assisted extraction procedure method using dilu ...
... Camellia oleifera, C. meiocarpa, C. yuhsienensis, and C. chekiangoleosa originate from China and are important non-timber trees used for the production of edible oil in South China. The oils extracted from these four Camellia species from two locations in Zhejiang Province were analyzed for fatty acid composition and metallic element content. The predominant fatty acids and unsaturated fatty acid ...
... An HPLC system equipped with a fluorescent and UV detection was deployed to determine the concentrations of 16 different polycyclic aromatic hydrocarbons (PAHs) in bran and endosperm of wheat grains before and after gamma irradiation treatments. Wheat grains were subjected to 0, 5, 10 and 15 kGy doses of gamma irradiation and concentrations of PAHs extracted from control and treated tissues were d ...
Food and Drug Administration; atomic absorption spectrometry; cadmium; cosmetics; exposure assessment; heavy metals; human health; lead; markets; models; monitoring; quality control; toxicity; Canada; Ghana
Abstract:
... In Ghana, a complete profile of heavy metals in lipstick products is lacking. Therefore, this study aimed to assess the level of some toxic metals in lipstick sold at different markets and shopping malls in Kumasi Metropolis. Twenty lipstick brands were analysed. The lipstick was chemically digested and then analysed for lead (Pb) and cadmium (Cd) using atomic absorption spectroscopy (model 210 VG ...
Caesalpinia pulcherrima; biopolymers; brittleness; edible films; galactomannans; glycerol; manufacturing; plant gums; plasticizers; tensile strength; water content; water solubility
Abstract:
... Investigation of potential biopolymers for developing edible films as alternatives for plastic packaging is a recent trend. Among the biopolymers used in edible film making, galactomannan is a good film-forming agent. Caesalpinia pulcherrima seed gum is a rich source of galactomannan and could be used as an edible film making material. The main objective of this study was to identify the ability o ...
... Foodborne viral diseases are a major public health problem that poses significant social and economic strains. Human astrovirus (AstV), norovirus (NoV), human rotavirus (RoV), and hepatitis A virus (HAV) are frequently reported foodborne pathogens. The microarray is a molecular diagnostic method that is highly specific and widely used due to its plethora of applications in microbiology. This inves ...
biodegradability; chlorpyrifos; color; colorimetry; composite films; detection limit; dimethoate; electron microscopy; fenthion; human health; malathion; nanogold; particle size; standard deviation; starch; storage quality; tapioca; toxicity; ultraviolet-visible spectroscopy
Abstract:
... Organophosphorus pesticides (OPs) are used in crops to eradicate pests, but are of concern to the public, attributable to their potential toxicity to human health. In the present study, a biodegradable composite film containing citrate-stabilized gold nanoparticles (AuNPs) was developed to detect pesticides. The proposed composite film has distinctive structural and functional characteristics as a ...
... Aflatoxin M1 (AFM1) is a metabolite of aflatoxin B1 (AFB1) and secreted in milk of animals that are kept on a moldy diet. AFB1 is produced by several toxigenic species of fungi. In this study, the comparative efficacy of two mycotoxin binders was evaluated in terms of reducing excretion of AFM1, total viable bacterial count and somatic cell count in milk obtained from goats fed with AFB1 contamina ...
... Autocatalytic ethylene production is the start of a transcription cascade that regulates many important features of fruit quality, including flavoring and softening. Kiwifruit (Actinidia deliciosa) is a climacteric fruit, sensitive to low concentrations of ethylene. In current study, the ethylene biosynthesis at low temperatures (− 0.8, − 0.5 and 0 °C) in A. deliciosa has been investigated. The ge ...
... Within the European Union (EU) regulatory framework, plant protection products (PPPs) must be evaluated according to Regulation (EC) No 1107/2009. Bystander/resident exposures can be assessed using the current EU harmonised predictive EFSA model; however, the number of experimental data included in this model is rather limited. In the experimental study conducted, direct dermal and inhalation expo ...
Phoenix dactylifera; Rhynchophorus ferrugineus; chlorpyrifos-methyl; fipronil; gas chromatography; high performance liquid chromatography; humans; imidacloprid; poisoning; risk
Abstract:
... Control strategies of red palm weevil (RPW) mainly depend on the use of insecticides. However, the residue of insecticides in dates might cause poisoning risk to the consumers. Therefore, the present study aimed to measure the disappearance rates of the extensively applied insecticides on date palm trees. Residues of chlorpyrifos-methyl (CPM), fipronil (FIP), and imidacloprid (IMD) insecticides in ...
chemical analysis; chemometrics; discriminant analysis; electronic nose; gas chromatography; provenance; volatile compounds
Abstract:
... Nowadays, the geographical origin of camellia oil (extra virgin) can be confirmed only by chemical analysis and documental traceability. This preliminary methodological study inquires the efficacy of chemometric analysis and gas chromatography coupled to an electronic nose to provide a rapid tool for the discrimination of camellia oil from different geographical origins. This method is appropriate ...
cucumbers; liquid chromatography; product safety; pyraclostrobin; risk assessment; tandem mass spectrometry; Egypt
Abstract:
... Pyraclostrobin is a strobilurin fungicide and widely used in Egypt for the protection of cucumber cultivation from several high-risk diseases. We have investigated (1) consumer safety after pyraclostrobin treatment in cucumbers and (2) its residue behavior. Supervised field trials were conducted to estimate the dynamics and terminal residues of pyraclostrobin in cucumbers grown under Egyptian clim ...
agricultural research; beans; cauliflower; correlation; detection limit; field experimentation; gas chromatography; maximum residue limits; quinalphos; tomatoes; Bangladesh
Abstract:
... Quinalphos, an organothiophosphate chemical, is chiefly used as an insecticide. A field experiment was conducted at Bangladesh Agricultural Research Institute (BARI), to study the dissipation of quinalphos in tomato, cauliflower and bean samples when sprayed at its recommended dose and were collected from 0 (2 h after application) to 15 successive days. To determine the residual value of quinalpho ...
... Impacts of neonicotinoid-containing pesticides on pollinators have been heavily debated in recent years. While bees in the field get rarely exposed to lethal concentrations of neonicotinoids applied as seed coating, sublethal levels found in pollen and nectar may affect bee population development. We assessed a realistic and a worst-case scenario of clothianidin exposure to mason bees (Osmia bicor ...
... The successful identification of hazards at an early stage is a cornerstone of public health in the area of food safety. The Swiss Federal Food Safety and Veterinary Office has been running an early detection system since 2018. A group of experts that identifies information concerning hazards and evaluates it periodically carries out the Federal Food Safety and Veterinary Office’s early detection ...
absorption; blood; bulls; cobalt; copper; corn; diet; enterocytes; freeze drying; in vivo studies; iron; iron absorption; lectins; neutralization; rats; zinc
Abstract:
... The absorption of iron, copper, zinc, and cobalt deriving from the diet and supplements varies, depending on the form of these trace elements and the presence of absorption inhibitors. The objective of this study was to examine the absorption of iron, copper, zinc, and cobalt in the presence of corn lectin as a possible inhibitor of intestinal absorption. The highest level of inhibition was shown ...
... The aim of this study was to compare the thermal conductivity, thermal resistivity, volumetric heat capacity and thermal diffusivity of whole and ground wheat grain. The bulk density of whole grain ranged from 0.758 to 0.828 g cm⁻¹ (mean 0.806 g cm⁻¹), gappiness ranged from 37.7 to 40.2% (mean 38.5%), length ranged from 5.99 to 7.23 mm (mean 6.54 mm) and width ranged from 3.32 to 3.89 mm (mean 3.5 ...
... The efficacy of ultraviolet-C (UV-C), electrolysed oxidizing water (EOW) and sodium hypochlorite (NaOCl) solution was investigated as non-thermal processes for the surface decontamination of olives. Olives were irradiated at different UV-C doses (0–4770 mJ/cm²) and washed with EOW and NaOCl solutions at different free chlorine concentrations (15, 30, 50, and 80 mg/L). The maximum reduction in micr ...
... Pathogenicity of enterohemorrhagic Escherichia coli (EHEC) strains depends on various virulence factors, like adhesins (including intimin), flagella, type I fimbriae, curli fibers, hemolysins, and agents required for biofilm formation. However, the pathogenicity is highly enhanced by production of Shiga toxins which are encoded by stx genes located in genomes of Shiga toxin-converting (Stx) propha ...
... The recent advances in genome-wide transcriptome analysis have enabled researchers to identify new genes and manipulate the genome through novel genetic engineering methods to improve plant tolerance to different stresses. We conducted a genome-wide transcriptome analysis to determine tomato genes affecting the salt stress response. The results showed that among the 5784 genes that were responsive ...
... The efficacy of electrolyzed water (EW) against surface bacteria for increased freshness of fish during distribution was investigated and its efficiency was compared with chlorinated water (CW) and some natural herbal extracts. Fresh oil sardine (Sardinella longiceps), Pacific mackerel (Scomber japonicas) and horse mackerel (Trachurus trachurus) were dipped into variable concentrations of EW, CW, ...
data collection; factor analysis; laboratory experimentation
Abstract:
... In case that fewer laboratories are available than required in order to ensure reliable precision estimates, the method validation study approach that is put forward in ISO 5725-2 is not applicable. Nested designs (as described in ISO 5725-3) can represent an alternative approach, yet they present important drawbacks, too: For example, a large number of measurements must be carried out and the ava ...
... The reproducibility of measurement results is a core performance characteristic for quantitative methods. However, in the validation of qualitative methods it is not clear how to characterize a method’s reproducibility. One approach for determining a qualitative method’s reproducibility is presented for microbiological methods, where the distribution of colony forming units (CFU) follows a Poisson ...
... As wheat flour is a raw material for many food products, its cleanliness has a great impact on the safety of flour-derived products. The red flour beetle known as Tribolium castaneum Herbst (Coleoptera: Tenebrionidae) is a major pest of wheat flour. Insects’ invasion in wheat flour increases the pollutants, which may result in the reduction of edibility and safety as well as substantial economic l ...
... Within 2 months, two water sources in a karst area in Switzerland were sampled 9 times each, and analyzed by real-time PCR for 6 EHEC O-types, Shiga-like-toxin (stx1 and stx2) and intimin (eae) genes. With the exception of O111, 5 O-types were recorded regularly and at high frequencies (O26: 33.3 %; O157: 33.3 %; O104: 66.6 %; O103: 72.2 %; O145: 94.4 %). Genes for Shiga-like-toxins and intimin we ...
... The current study was conducted to investigate the potential sources of enterotoxigenic S. aureus and the efficacy of ISO 22000:2005 with the technical specifications ISO/TS 22002-2:2013 for pathogen control in food outlets. A total of 724 samples (483 food, 120 equipment and 121 hand swabs from food handlers) were collected from 112 food outlets. All samples were processed for isolation and ident ...
food safety; food service workers; self-efficacy; structural equation modeling; Taiwan
Abstract:
... This study explores food safety and sanitation-related competence, self-efficacy, overall behavioral motives, behavioral intentions, behaviors, and the effects of the organizational environment on foodservice employees. Significant positive correlations are found between food safety and sanitation-related competence, self-efficacy, overall behavioral motive, behavioral intention, and food safety-r ...
cities; consumer attitudes; farm to fork; food industry; food safety; food supply chain; foods; surveys; traceability; willingness to pay
Abstract:
... Consumers have become increasingly concerned about food safety due to numerous food scandals and incidents over the past two decades. Consequently, they demand to be informed of the processes involved along the food supply chain. Employing a traceability system, tracing food from ‘farm to fork’, has been embraced by the food industries and governments as an important tool to restore and increase c ...
adulterated products; databases; food fraud; meat; China
Abstract:
... We collected Chinese food fraud events from 2001 to 2019, and initially established a database of 454 data sets based on China's national conditions. This database supplements the gaps in the internationally established economically motivated adulteration (EMA) database. Statistical results showed that the data reported by the media accounted for 71.6% of the total amount of food fraud information ...
electricity; energy conversion; lighting; photorespiration; plant growth; solar radiation; uncertainty; viability
Abstract:
... Indoor plant production systems with artificial lighting are considered an emerging technology contributing to biomass-based value webs. The viability of this concept greatly relies on the energy requirements (ER, Watt) for lighting. We estimated the ER for plant growth by calculating the conversion efficiency of electricity to light of solid-state light-emitting diodes (LED) and the quantum requi ...
Mugil cephalus; Oreochromis niloticus; adverse effects; ascorbic acid; biometry; cadmium; cities; copper; essential amino acids; evaporation; fish consumption; grilling; health effects assessments; health hazards; heat treatment; heavy metals; lead; minerals; monitoring; mullet; muscles; omega-3 fatty acids; pan frying; pollutants; toxicity; zinc; Egypt
Abstract:
... Fish, including tilapia (Oreochromis niloticus) and mullet (Mugil cephalus), is a major source of essential amino acids, omega-3 fatty acids, vitamins and minerals. However, fish as aquatic organism is highly exposed to environmental pollutants such as heavy metals. This study investigated the residual concentrations of lead (Pb) and cadmium (Cd) as toxic metals, and copper (Cu) and zinc (Zn) as e ...
... Lactoferrin is one of the most important components in milk. Lactoferrin is an 80 kDa iron-binding glycoprotein that involves a diverse range of biological activities. However, the antimicrobial properties are its most widely studied function. The aim of this study was to assay the antimicrobial and antibiofilm activities of bovine lactoferrin against five of the most important foodborne pathogeni ...
... Etoxazole is a systemic acaricide widely used in several crops with important significance in strawberries in order to control mites. Consequently, the presence of etoxazole residues in strawberries cannot be excluded. But, are these residues safe for the consumers and in compliance with the regulatory limits? To address these questions, the dissipation kinetics and the terminal residue of etoxazo ...
... Herein, the cultivation of Phaseolus vulgaris was evaluated in newly reclaimed areas in Abha City, Saudi Arabia, following amendment with different rates of sewage sludge (SS) collected from a nearby municipal wastewater treatment plant. A pot experiment was designed to assess the soil heavy metal (HM) pools, growth, yield and HM uptake by P. vulgaris plants cultivated under different SS amendment ...
... Food safety concerns associated with radiotoxicity risks among consumers are widespread in areas with human activities such as mining. Therefore, the study was carried out to determine natural radioactivity levels in total diets in an area with excessive mining activities. Using validated models, the committed effective dose and excess cancer risk were calculated for consumers based on the activit ...
Escherichia coli; Listeria monocytogenes; Salmonella; Staphylococcus aureus; World Health Organization; attitudes and opinions; child health; coliform bacteria; compliance; food safety; good hygiene practices; guidelines; hands; human resources; microbiological quality; monitoring; questionnaires; risk factors; school food service; tap water; women; Mexico
Abstract:
... The monitoring of good hygienic practices (GHP) in school foodservice establishments (SFS) ensures children’s health and identifies the risk factors that threaten food safety. This study examined the hygienic-sanitary profile of selected Mexican SFS and identified safety risk factors. Seven SFS and their corresponding personnel were submitted for GHP inspection based on Mexican guidelines, WHO (Wo ...
acceptable daily intake; body weight; diet; exposure assessment; fluorescence; glyphosate; high performance liquid chromatography; markets; metabolites; raw materials; soybeans
Abstract:
... Glyphosate (GLY) is an herbicide used in several crops, such as soybean, and its residues can be found in grain and in processed foods produced from this raw material. To verify the level of consumer exposure to GLY in infant formulas produced with soy extract and/or protein, a risk assessment was carried out. Commercial samples available on the Brazilian market (n = 117) were analyzed for GLY and ...
... Organophosphate and pyrethroid insecticides are used for controlling residential and agricultural insect pests and disease-carrying vectors in Thailand especially in the northern region. Chiang Rai and Nan Provinces are well known for agricultural production. The aim of the present study was to assess the level of exposure to organophosphate and pyrethroid insecticides in 51 consumers and 49 farme ...
... Plant protection products often leave external residues on crops. Workers can be exposed to these residues when re-entering a recently-treated crop. Therefore, task- and crop-specific transfer coefficients are used to estimate the exposure of workers during re-entry: these relate to the transfer of foliar residues to clothing or skin. In this study, we considered a re-entry task not currently cove ...
... The quality of wheat flour (WF) is among the highest of cereal flours and therefore, it is one of the most expensive flours for manufacturing food products. In developing countries, adulteration of WF by mixing up with lower price cereal flours is often seen. Hence, the classification and determination of the adulteration quantity in WF is of great interest. The aim of this research was to evaluat ...
entrepreneurship; laws and regulations; livestock; meat; public health; questionnaires; slaughter; slaughterhouses; stakeholders; surveys; South Africa
Abstract:
... Illegal slaughter and release of the meat on disposal is commonly practiced in remote and rural areas of South Africa. It is fuelled by the high demand for meat, the ever available supply of communally farmed livestock, the entrenched local customs and practices, the absence or low and insufficient numbers of registered slaughter facilities in these areas, and entrepreneurial opportunities. In thi ...
detection limit; forests; green chemistry; kefir; molybdenum; peaches; phosphorus; quantitative analysis; strawberries; total phosphorus; yogurt
Abstract:
... The spectrophotometric molybdenum blue method for phosphorus determination was adapted to a multiwell plate format. The method was sensitive and allowed for the simultaneous determination of phosphorus in many samples. It was cheap and eco-friendly due to application of small volumes of reagents and, therefore, it meets the requirements for “green” or sustainable chemistry. The method’s limit of d ...
... Camellia reticulata is a typical Camellia species used for the production of edible oil in Southwest China. Here we analyzed the fatty acid composition and bio-active compounds including tocopherol, sitosterol and squalene in C. reticulata oil. The oil mainly comprises 72.78–75.52% oleic acid, 11.40–12.58% palmitic acid, 6.91–8.01% linoleic acid, 2.29–2.98% stearic acid, 0.33–0.52% linolenic acid. ...
... Camellia oleifera originates from China and is important for the economy of southern China. Seeds from the cultivars LCDG, YAYC, and CR3 of Camellia oleifera were analyzed for their amount of 14 different fatty acids (unsaturated, monounsaturated, polyunsaturated, and saturated). In contrast to former investigations additional kinds of fatty acids could be isolated from Camellia oleifera seeds: Th ...
... The adverse health effects of trans fatty acids (TFA) are well recognised. The Commission Regulation (EU) 2019/649 specifies that foods should not contain more than 2 g of industrially produced TFA (i-TFA) per 100 g of fat. This study aimed to investigate the fatty acid profile, with focus on TFA and i-TFA, of foods widely consumed in Greece that are purported to contain high TFA concentrations. S ...
Pennisetum glaucum; antioxidant activity; buckwheat; carotenoids; catechin; chemical constituents of plants; cooking fats and oils; corn; crop production; linoleic acid; lipophilicity; millet flour; millets; phenolic compounds; quercetin; seeds
Abstract:
... Millet is one of the most important cereals in the world regarding its domestic and commercial utilization. In spite of the extensive production of numerous millet species as main staple food grain in many developing countries in Africa and Asia, little information is available on pearl millet oil in terms of its composition of bioactive lipophilic and phenolic compounds. The aim of the present st ...
... In accordance with Title IV of Regulation (EU) 2017/625, the Administrative Assistance and Cooperation (AAC) network must be used by control authorities of the Member States, in order to exchange information on non-compliances in the food production chain. After a successful implementation phase in the area of food fraud, an online platform for the exchange of administrative information among the ...
... „Food Fraud“ was the motto of the joint congress organized by The German Federal Office for Consumer Protection and Food Safety (BVL) and the Joint Research Center of the European Commission (JRC) from 12th to 13th of June 2017 in Berlin. In addition to a number of carefully selected presentations, the organizers hosted a “World Café” on the second day of the congress. The event illuminated the re ...
European Union; business enterprises; educational institutions; farm to fork; food chain; food contamination; food industry; food supply chain; foods; fraud; humans; public health; risk
Abstract:
... Nowadays, incidents related to intentional contamination of food products are a huge problem in the whole food supply chain. Therefore, it is necessary to raise awareness of food defence at every level of the food chain, from farm to fork, from government and academic institutions to retail chains, the media and consumers. The principles of food defence can be implemented at every level of the foo ...
food availability; food fraud; food industry; food law; human health and safety; law enforcement; multicultural diversity; supply chain; technology; trade; Australia
Abstract:
... Internationally, food regulations are centred on human health and safety to prevent health crises. In Australia, regulatory control over the health and safety of humans is sound, however from a criminological perspective, control over fraudulent activities within food supply chains lack. Food fraud knows no geographical boundaries and has endless reach, therefore should be prioritised by policymak ...
... The spread of non-native species in the Mediterranean Sea, due to Lessepsian migration and tropicalization, as well as the use of “non-selective” fishing practices, causes frequently the capture of uncommon and abyssal species, that can be sold in seafood market. This could represent a risk for food safety, since some of these species are not listed in the European Union (EU) regulations for human ...