U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

PubAg

Main content area

You searched for: Journal name Journal für Verbraucherschutz und Lebensmittelsicherheit Remove constraint Journal name: Journal für Verbraucherschutz und Lebensmittelsicherheit Publication year rev 7981-2019 Remove constraint Publication year rev: 7981-2019
Start Over

Search

43  Search Results

« Previous | 1 - 20 of 43 |
Number of results to display per page

Search Results

1. Bacteriocinogenic properties and safety evaluation of Enterococcus faecium YT52 isolated from boza, a traditional cereal based fermented beverage

Author:
Müge Gök Charyyev; Banu Özden Tuncer; Didem Akpınar Kankaya; Yasin Tuncer
Source:
Journal für Verbraucherschutz und Lebensmittelsicherheit 2019 v.14 no.1 pp. 41-53
ISSN:
1661-5751
Subject:
Bacillus cereus; Enterococcus faecium; Gram-positive bacteria; Listeria monocytogenes; ampicillin; antibacterial properties; antibiotic resistance genes; bacteriocins; fermented beverages; food industry; food pathogens; heat stability; mechanism of action; metabolites; molecular weight; peptides; polymerase chain reaction; proteinases; ribosomal RNA; risk profile; vancomycin; virulence
Abstract:
... 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 ...
DOI:
10.1007/s00003-019-01213-9

2. Biofilm-formation by drug-resistant Staphylococcus aureus from cow milk

Author:
Renata Albuquerque Costa; Jeniffer Vasconcelos de Lira; Márcia Facundo Aragão
Source:
Journal für Verbraucherschutz und Lebensmittelsicherheit 2019 v.14 no.1 pp. 63-69
ISSN:
1661-5751
Subject:
Staphylococcus aureus; UHT milk; UHT treatment; biofilm; biomass; drug resistance; gentian violet; hygiene; milk; milk production; pasteurization; pasteurized milk; polystyrenes; raw milk
Abstract:
... 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 ...
DOI:
10.1007/s00003-018-1186-5

3. Cadmium contamination in food supplements containing white willow (Salix alba) bark

Author:
Ewa Matyjaszczyk; Regina Schumann
Source:
Journal für Verbraucherschutz und Lebensmittelsicherheit 2019 v.14 no.2 pp. 179-182
ISSN:
1661-5751
Subject:
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 ...
DOI:
10.1007/s00003-018-1199-0

4. Ciguatera fish poisoning outbreaks from 2012 to 2017 in Germany caused by snappers from India, Indonesia, and Vietnam

Author:
Miriam Friedemann
Source:
Journal für Verbraucherschutz und Lebensmittelsicherheit 2019 v.14 no.1 pp. 71-80
ISSN:
1661-5751
Subject:
Gambierdiscus; Lutjanidae; ciguatera; ciguatoxin; cold; epiphytes; food chain; gastrointestinal system; health services; invertebrates; microalgae; neurotoxins; patients; poisoning; public health; risk assessment; snapper; toxicity; tropical fish; Germany; India; Indian Ocean; Indonesia; Vietnam
Abstract:
... 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 ...
DOI:
10.1007/s00003-018-1191-8

5. Development of an oligonucleotide-based microarray for the detection of foodborne viruses

Author:
Yu-Jung Won; Sung-Geun Lee; Soon-Young Paik; Kwang-Soo Lyoo
Source:
Journal für Verbraucherschutz und Lebensmittelsicherheit 2019 v.14 no.3 pp. 287-291
ISSN:
1661-5751
Subject:
Hepatovirus A; Human astrovirus; Norovirus; Rotavirus; diagnostic techniques; fluorescence; food pathogens; microarray technology; nucleic acid hybridization; oligonucleotide probes; public health; viruses
Abstract:
... 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 ...
DOI:
10.1007/s00003-019-01234-4

6. Exposure of consumers and farmers to organophosphate and synthetic pyrethroid insecticides in Northern Thailand

Author:
Surat Hongsibsong; Tippawan Prapamontol; Jie-Xian Dong; Candace S. Bever; Zhen-Lin Xu; Shirley J. Gee; Bruce D. Hammock
Source:
Journal für Verbraucherschutz und Lebensmittelsicherheit 2019 v.14 no.1 pp. 17-23
ISSN:
1661-5751
Subject:
biomarkers; farmers; insect pests; metabolites; monitoring; organophosphorus compounds; pyrethrins; pyrethroid insecticides; Thailand
Abstract:
... 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 ...
DOI:
10.1007/s00003-019-01207-7

7. Heat treatment effects on chilling injury and disease incidence in sweet orange fruits stored at chilling and non-chilling temperatures

Author:
Ijaz Hussain; Abdur Rab; Naqib Ullah Khan; Zarina Bibi; Shah Masaud Khan; Naushad Ali; Muhammad Saeed; Sher Aslam Khan; Sardar Ali; Ghulam Dastagir; Muhammad Sajid
Source:
Journal für Verbraucherschutz und Lebensmittelsicherheit 2019 v.14 no.4 pp. 365-375
ISSN:
1661-5751
Subject:
Citrus aurantium; ambient temperature; ascorbic acid; chilling injury; cold treatment; developed countries; disease incidence; disease susceptibility; fiberboards; fruits; heat treatment; ions; market value; marketing; oranges; postharvest losses; rootstocks; shelf life; storage temperature; vapors; weight loss
Abstract:
... Citrus chilling injury causes 25% postharvest losses by shortening its storage life and lowers its market value in developed countries. In citrus fruits, chilling injury is characterized by increased moisture loss and disease susceptibility. The present study was conducted with the objective to evaluate the effects of pre-storage heat treatments (HTS: control, 5, 10, 15 and 20 min), heat treatment ...
DOI:
10.1007/s00003-019-01230-8

8. Inspections of imported foods to Taiwan: an overview

Author:
Keng-Wen Lien; Shin-Yu Chen; Min-Hsiung Pan; Min-Pei Ling
Source:
Journal für Verbraucherschutz und Lebensmittelsicherheit 2019 v.14 no.2 pp. 183-191
ISSN:
1661-5751
Subject:
Food and Drug Administration; Internet; containers; food safety; foods; fruits; hygiene; ingredients; markets; pesticide residues; risk factors; sales; vegetables; Japan; Taiwan; Thailand; United States
Abstract:
... Imported food safety and related matters is a topic which causes extreme concern for the consumers of Taiwan. This article aims to analyze the results of border inspection of imported foods from 2011 to 2017, to gain understanding of risk factors, product categories, and countries of origin of imported foods in the past 7 years. The greatest number of batches of noncompliant products (including hy ...
DOI:
10.1007/s00003-018-1204-7

9. Magnetic dispersive solid phase microextraction technique coupled with LC–MS/MS for evaluating content versus label claims in ephedrine-free food supplements

Author:
Arezou Taghvimi; Samin Hamidi; Mahboob Nemati
Source:
Journal für Verbraucherschutz und Lebensmittelsicherheit 2019 v.14 no.3 pp. 275-282
ISSN:
1661-5751
Subject:
adulterated products; ephedrine; ergogenic aids; liquid chromatography; magnetism; mass spectrometry; monitoring; solid phase microextraction; sports; weight control; weight loss; Iran
Abstract:
... Sport supplements and weight management supplements are prime targets for adulteration. In response to concerns regarding the safety of ephedra-containing food supplements, manufacturers have marketed “ephedra-free” products. Therefore, a rapid and convenient magnetic dispersive solid phase microextraction method is proposed in order to extract ephedrine from complex food supplements. Quantificati ...
DOI:
10.1007/s00003-018-1203-8

10. PAGIF method to verify animal species in dairy products: improved separation performance, sensitivity and efficiency

Author:
Astrid Meister; Helena Janzen; Tobias Kauer; Bettina Schiffer; Claus Schlicht
Source:
Journal für Verbraucherschutz und Lebensmittelsicherheit 2019 v.14 no.4 pp. 421-428
ISSN:
1661-5751
Subject:
adulterated products; buffalo milk; cheeses; detection limit; ewe milk; food safety; gels; goat milk; isoelectric focusing; milk; pH; polyacrylamide; Germany
Abstract:
... Over more than 20 years, isoelectric focusing (IEF) in a polyacrylamide gel (PAGIF) has been the only official method in Germany to verify the animal species in dairy products, including cheese. The method remains valid until now, using the analytical standards and the detection and quantification limits of that time. With the introduction of faster, cheaper and more sensitive methods, the PAGIF i ...
DOI:
10.1007/s00003-019-01236-2

11. Pre-enrichment step, incubation temperature and type of selective media affect the pathogenic Vibrio parahaemolyticus detection efficiency in frozen prawns

Author:
Salima Sadeghi; Kwai Lin Thong; Lay Ching Chai
Source:
Journal für Verbraucherschutz und Lebensmittelsicherheit 2019 v.14 no.4 pp. 355-364
ISSN:
1661-5751
Subject:
Vibrio parahaemolyticus; bile; citrates; frozen shrimps; most probable number technique; polymerase chain reaction; selective media; sucrose; temperature; thiosulfates; virulence
Abstract:
... This study evaluates the performance of different detection protocols of Vibrio parahaemolyticus in frozen prawns. The effect of enrichment and incubation temperature on the selectivity of thiosulfate citrate bile sucrose (TCBS) and CHROMagar™ Vibrio (CAV) media were determined. Enumeration of V. parahaemolyticus in frozen prawns by direct-plating on CAV at 37 °C yielded the highest count compared ...
DOI:
10.1007/s00003-019-01237-1

12. Purification and analysis of DNA from low DNA content food samples

Author:
M. Esra Altuntop Yayla; Canan Ekinci Doğan; Şerife Sarioğlan
Source:
Journal für Verbraucherschutz und Lebensmittelsicherheit 2019 v.14 no.2 pp. 147-155
ISSN:
1661-5751
Subject:
DNA; food analysis; food matrix; molecular biology; quantitative polymerase chain reaction; zeolites
Abstract:
... Recently, molecular biology techniques are widely used in food analysis; yet, the complexity of food matrices causes difficulty in purification and analysis of the analyte. The aim of this study was to introduce a new material, zeolite Y, that is able to isolate DNA even from low DNA content food samples; and, to demonstrate the integrity of isolated DNA via real-time polymerase chain reaction. Al ...
DOI:
10.1007/s00003-018-1192-7

13. Stichprobenplanung in der Lebensmittelüberwachung: Reduktion des notwendigen Stichprobenumfangs durch Pooling

Author:
Inga Ruddat; Friedemann Adler; Maria Hartmann; Anna Wendt; Nicole Werner; Katrin Blume; Oliver Lindtner; Anja Lüth; Thilo Nölke; Matthias Greiner; Amely Campe
Source:
Journal für Verbraucherschutz und Lebensmittelsicherheit 2019 v.14 no.4 pp. 409-414
ISSN:
1661-5751
Subject:
confidence interval; dioxins; eggs; foods; polychlorinated biphenyls; variance
Abstract:
... We describe a method for sample size calculation in a pooling design to determine the content of a substance in food. This can be used to calculate the pool size and the number of measurements needed to estimate the mean within a pre-specified confidence interval width. The effect of pooling on the decrease of measurements needed depends on the ratio between the biological variance (variation betw ...
DOI:
10.1007/s00003-019-01227-3

14. Toy swords revisited: identification of additional odour-active contaminants

Author:
Christoph Wiedmer; Cristina Velasco-Schön; Andrea Buettner
Source:
Journal für Verbraucherschutz und Lebensmittelsicherheit 2019 v.14 no.4 pp. 415-419
ISSN:
1661-5751
Subject:
acetophenones; chemical analysis; children; distillates; distillation; evaporation; flavor; gas chromatography-mass spectrometry; humans; isomers; methylene chloride; naphthalene; odor compounds; odors; olfactometry; polycyclic aromatic hydrocarbons; screening; sensory evaluation; smell
Abstract:
... Odorants related to offensive odours in three children’s toy swords were identified and characterized by human sensory and chemical analyses. Samples were initially evaluated by a trained sensory panel. Panellists reported unpleasant smells in all samples that were dominated by mothball-like, phenolic and rubber-like notes and additionally almond-like and fatty notes. The odorants from the samples ...
DOI:
10.1007/s00003-019-01253-1

15. Unraveling the feeding dynamics of Chinese mitten crab-based ecosystems using carbon and nitrogen stable isotope techniques

Author:
Jingyu Huang; Eyram Norgbey; Guang Li; Jianhui Wang; Michel Rainizafy; Philip Nti Nkrumah; Georgina Esi Takyi-Annan
Source:
Journal für Verbraucherschutz und Lebensmittelsicherheit 2019 v.14 no.3 pp. 251-261
ISSN:
1661-5751
Subject:
Eriocheir sinensis; carbon; consumer preferences; crabs; diet; ecosystems; environmental factors; lakes; nitrogen; nutritive value; odors; stable isotopes; stakeholders; taste; trophic levels
Abstract:
... The Chinese mitten crab (CMC) is an economically important species that consumers prefer mainly because of its delightful taste and aroma. The taste of CMC varies depending on its environmental conditions. Consumers prefer lake-sourced crabs to pond-cultured ones, but the production of crabs in lakes is greatly discouraged because of its adverse impacts on the local ecosystem. This study investiga ...
DOI:
10.1007/s00003-019-01220-w

16. A rapid and sensitive method to determine potassium permanganate in meat

Author:
Yuriy Balji; Zhanat Adilbekov; Yuliya Scheiko; Symbat Seidenova; Gulzhikhan Ismagulova; Galia Zamaratskaia
Source:
Journal für Verbraucherschutz und Lebensmittelsicherheit 2019 v.14 no.2 pp. 167-172
ISSN:
1661-5751
Subject:
beef; color; food safety; horse meat; lamb meat; pork; potassium; potassium permanganate; smell; spectrophotometers
Abstract:
... In some countries, potassium permanganate is illegally added to meat to improve the colour and mask the smell of spoiled meat. In this study, we developed a method for rapidly detecting and quantifying potassium permanganate in beef, horse, lamb and pork meats. First, the surface of meat was treated with 0.2% ethanolic benzidine. In meat containing potassium permanganate, the spots treated with et ...
DOI:
10.1007/s00003-018-1202-9

17. Antimicrobial efficacy of household sanitizers against artificially inoculated Salmonella on ready-to-eat spinach (Spinacia oleracea)

Author:
Agnes Kilonzo-Nthenge; Siqin Liu
Source:
Journal für Verbraucherschutz und Lebensmittelsicherheit 2019 v.14 no.2 pp. 105-112
ISSN:
1661-5751
Subject:
Salmonella enterica; Spinacia oleracea; antimicrobial properties; bacteria; bleaching agents; chlorine; fresh produce; leaves; microbiological quality; ready-to-eat foods; sanitizers; soaking; sodium bicarbonate; spinach; surveys; tap water; vinegars; virulent strains; washing; United States
Abstract:
... 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  ...
DOI:
10.1007/s00003-018-1201-x

18. Assessing the contamination levels of dried teas and their infusions by polycyclic aromatic hydrocarbons (PAHs)

Author:
Artur Ciemniak; Kamila Kuźmicz; Monika Rajkowska-Myśliwiec; Maria Fernanda Cadena
Source:
Journal für Verbraucherschutz und Lebensmittelsicherheit 2019 v.14 no.3 pp. 263-274
ISSN:
1661-5751
Subject:
Camellia sinensis; benzo(a)pyrene; cleaning; detection limit; food safety; fruits; gas chromatography-mass spectrometry; health effects assessments; liquid-liquid extraction; polycyclic aromatic hydrocarbons; solid phase extraction; tea (beverage); toxicity; ultrasonics; Poland
Abstract:
... 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 ...
DOI:
10.1007/s00003-019-01229-1

19. Characteristics of enterotoxin-producing methicillin-resistant Staphylococcus aureus strains isolated from meat in Tehran, Iran

Author:
Fateh Rahimi; Rasoul Shafiei
Source:
Journal für Verbraucherschutz und Lebensmittelsicherheit 2019 v.14 no.4 pp. 389-398
ISSN:
1661-5751
Subject:
antibiotic resistance; beef; chickens; chromosomes; ciprofloxacin; dominant genes; enterotoxins; enzymes; erythromycin; hospitals; methicillin; methicillin-resistant Staphylococcus aureus; raw meat; tobramycin; Iran
Abstract:
... 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 ...
DOI:
10.1007/s00003-019-01239-z

20. Characterization of retroviral vector derived DNA-isoforms by PCR and sequencing

Author:
Thorsten Stellberger; Iris Stockmar; Johannes Draxler; Prabir Dhar; Melanie Pavlovic; Martina Anton; Nina Koehler; Anna Dinkelmeier; Maren Haase; Markus Schick; Ulrich Keller; Ulrich Busch; Armin Baiker
Source:
Journal für Verbraucherschutz und Lebensmittelsicherheit 2019 v.14 no.2 pp. 157-165
ISSN:
1661-5751
Subject:
Gammaretrovirus; Human immunodeficiency virus 1; agarose; cell culture; cell lines; electrophoresis; genetic engineering; genome; monitoring; plasmids; polyethylene; polymerase chain reaction; proviruses; retroviral vectors; sequence analysis; vertebrates
Abstract:
... 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 ...
DOI:
10.1007/s00003-019-01215-7