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Coriandrum sativum; Salmonella; relative humidity; microbial contamination; Pantoea agglomerans; epiphytes; population growth; population density; Pseudomonas; leaves
Abstract:
... The epiphytic fitness of Salmonella enterica was assessed on cilantro plants by using a strain of S. enterica serovar Thompson that was linked to an outbreak resulting from cilantro. Salmonella serovar Thompson had the ability to colonize the surface of cilantro leaves, where it was detected by confocal laser scanning microscopy (CLSM) at high densities on the veins and in natural lesions. The pop ...
... Essential oils were obtained from fennel seeds, dill, cumin and coriander. Their antimicrobial activity was tested on isolated clinical specimens of patients treated at the University Hospital of the School of Medicine of Botucatu, SP, UNESP. Microorganisms were grown in BHI (Brain Heart Infusion/Oxoid) at 37°C/18 hours and resuspended in 0,5 Mac Farland’s Standard (1,5 x 10(8) CFU/mL). The diffus ...
... We examined 974 samples (304 coriander, 212 mint, 258 carrot, and 200 radish) collected from vegetable vendors in two cities, Bareilly (n = 832) and Kanpur (n = 142), in northern India during the early summer season in 2004. Salmonella was isolated from 35 samples (9 coriander, 5 mint, 10 radish, and 11 carrot) while Escherichia coli was detected in 181 samples (67 coriander, 44 mint, 36 carrot, a ...
... In this work, the efficacy of decontamination treatments to inactivate Salmonella enterica on cilantro throughout storage under different conditions of temperature and relative humidity (RH) was evaluated. Bunches of cilantro (10 g) were inoculated with a rifampicin-resistant S. enterica strain (ca. 10⁶ cfu/mL) and held at 22C/60 min. Inoculated cilantro (ca. 5.8 log cfu/g) was then stored at: (1) ...
Capsicum; Coriandrum sativum; Salmonella; antibiotic resistance; bark; exports; flowers; leaves; pathogens; seeds; serotypes; spices; United States
Abstract:
... In response to increased concerns about spice safety, the U.S. FDA initiated research to characterize the prevalence of Salmonella in imported spices. Shipments of imported spices offered for entry to the United Sates were sampled during the fiscal years 2007–2009. The mean shipment prevalence for Salmonella was 0.066 (95% CI 0.057–0.076). A wide diversity of Salmonella serotypes was isolated from ...
... AIMS: Fresh herbs have been associated with a number of outbreaks in recent years, in the United Kingdom and elsewhere. A study of fresh herbs was carried out to assess their microbiological safety in relation to Salmonella contamination and levels of Escherichia coli. METHODS AND RESULTS: Between January and March 2014, 774 samples of ready‐to‐eat, fresh, whole‐leaf herbs were collected from reta ...
Coriandrum sativum; Ocimum basilicum; Salmonella; Shiga toxin-producing Escherichia coli; basil; cilantro; coliform bacteria; enteropathogens; food safety; fresh herbs; genes; human health; leaves; polymerase chain reaction; risk; screening; serotypes; Belgium; Cyprus; Israel; South East Asia
Abstract:
... Enteric pathogens, such as Salmonella spp. and pathogenic Escherichia coli, have been detected and associated with food borne outbreaks from (imported) fresh leafy herbs. Screening on imported herbs from South East Asian countries has been described. However, limited information on prevalence of these pathogens is available from other sourcing regions. Therefore, fresh pre-packed basil and coriand ...
... Four popular spices black pepper (Piper nigrum L.), cumin (Cuminum cyminum L.), coriander (Coriandrum sativum L.) and cardamom (Elettaria cardamomum) were analyzed for their oil composition by GC-MS. Thirty compounds were identified in the black pepper oil and the main components were β-caryophyllene (20.225 %), sabinene (18.054 %), limonene (16.924 %), α-pinene (9.171 %) and α-phellandrene (5.968 ...
... For the present study, whole coriander seeds harvested in Romania were screened (<4 mm) and minced in order to obtain ground powder with various particle sizes. Three types of ground powder with particle sizes of 500, 630 and 710 μm were subjected to extraction with supercritical CO₂. The extraction conducted over a period of 210 min was carried out at 150 bar and temperatures of 40 and 50C. The b ...
Esmeralda Rangel‐Vargas; Eduardo J. Gutiérrez‐Alcántara; Carlos A. Gómez‐Aldapa; Reyna N. Falfán‐Cortés; Jesús A. Segovia‐Cruz; Laura P. Salas‐Rangel; Javier Castro‐Rosas
... Multidrug‐resistant Salmonella serotypes (M‐RSs) were isolated from coriander, and an analysis done of the antibacterial activity of roselle calyx extracts against any of the identified strains. One‐hundred coriander samples were collected from markets. Salmonella was isolated from the coriander samples by culture procedure. Susceptibilities to sixteen antibiotics were determined for the isolated ...
... Consumption of ready-to-eat fresh vegetables has increased worldwide, with a consequent increase in outbreaks caused by foodborne pathogens. In the Indian subcontinent, raw fresh vegetables are usually consumed without washing or other decontamination procedures, thereby leading to new food safety threats. In this study, the microbiological quality and pathogenic profile of raw salad vegetables wa ...
Carlos A. Gomez-Aldapa; Esmeralda Rangel-Vargas; Ma Rufugio Torres-Vitela; Angelica Villarruel-Lopez; Otilio A. Acevedo-Sandoval; Alberto J. Gordiollo-Martinez; Angelica Godinez-Oviedo; Javier Castro-Rosas
... Leafy greens have been associated with foodborne disease outbreaks in different countries. To decrease microbial contamination of leafy greens, chemical agents are commonly used; however, a number of studies have shown these agents to have limited antimicrobial effect against pathogenic bacteria on vegetables. The objective of this study was to compare the antibacterial effect of Hibiscus sabdarif ...
... The consumption of raw vegetables is related to health benefits. However, these foods might be source of foodborne diseases. The objective of the present study was to perform a microbiological and parasitological evaluation of the leafy vegetables commercially sold in five regions of Brazil at public wholesale markets. The 12 types of leafy vegetables (144 samples) were curly lettuce, looseleaf le ...
Siméon Bourdoux; Andreja Rajkovic; Stijn De Sutter; An Vermeulen; Sara Spilimbergo; Alessandro Zambon; Gerard Hofland; Mieke Uyttendaele; Frank Devlieghere
... Coriander, either fresh or inoculated with three strains of Escherichia coli O157:H7, Salmonella or Listeria monocytogenes, was treated with supercritical CO2 (scCO2, with and without drying) or freeze-dried. After drying in scCO2 for 150 min at 80 bar and 35 °C, the aerobic plate count, yeasts and molds, and the Enterobacteriaceae were reduced by 2.80, 5.03, and 4.61 log CFU/g, respectively. The ...
... The aim of the study was to detect Salmonella from coriander leaves by polymerase chain reaction, determine biofilm formation and antimicrobial resistance profiling of the isolates. Four Salmonella isolates were recovered from the total of 60 samples. The isolates were confirmed by PCR. The confirmed isolates were subjected for biofilm production assay and showed that all Salmonella isolates were ...
Coriandrum sativum; Escherichia coli; Salmonella; Staphylococcus; coliform bacteria; cucumbers; cypermethrin; diazinon; dimethoate; guidelines; heavy metals; lettuce; malathion; microbial contamination; microbiological quality; multiple drug resistance; public health; quinalphos; salads; tomatoes; Bangladesh
Abstract:
... The presence of undesirable heavy metals, pesticide residues, and microbial contaminants in fresh produces is a worldwide public health concern. This study was undertaken to evaluate the residual pesticides (Diazinon, Malathion, Cypermethrin, Dimethoate, Quinalphos, and Chloropyrofos), heavy metal contamination (Pb, Cd, and Cr), and microbiological quality and safety of 4 common raw salad vegetabl ...
... Ultraviolet (UV-C) radiation treatment effects on microbial load, total phenolic content, total flavonoids and antioxidant activities of three spices, hot pepper, fennel and coriander, were investigated. Spice samples were placed 15 cm from the UV-C source for 20, 40 and 60 min to provide doses of 3.5, 7.0 and 10.4 kJ m⁻² inside the package. UV-C treatments significantly (P < 0.05) reduced the mic ...
... Microbiological contamination of vegetables leading to foodborne disease is a serious public health problem. Slightly acidic electrolyzed water (SAEW) and ultraviolet-light emitting diode (UV-LED) are considered to have good bactericidal effect. However, the limitations of SAEW in application include its instability and the great dependence on equipment and that of UV-LED remains poorly characteri ...
Coriandrum sativum; Salmonella; antibiotics; disease outbreaks; humans; lettuce; monitoring; multilocus sequence typing; multiple drug resistance; nalidixic acid; public health; raw vegetables; serotypes; China
Abstract:
... Raw vegetables have been associated with numerous foodborne Salmonella outbreaks; however, there is little epidemiological or molecular data on Salmonella contaminants of raw vegetables in China. Here, we investigated the prevalence and molecular characteristics of Salmonella isolates from raw vegetables in China. In total, 406 raw vegetable samples were collected covering most provincial capitals ...
... Hydroponics was considered an effective method to practice sustainable agriculture. However, very few studies were carried out related to the microbial and heavy metal safety assessment of hydroponically grown produce. So the microbial and heavy metal quality of hydroponically grown produce needs to be paid attention. The present study's objective was to address microbial and heavy metal safety as ...
Coriandrum sativum; Salmonella; agricultural biotechnology; amoxicillin; beta-lactamase; biocatalysis; biofilm; ciprofloxacin; disk diffusion antimicrobial test; leaves; multiple drug resistance; India
Abstract:
... The current study aimed to determine the presence of extended-spectrum beta-lactamase (ESBL) producing Salmonella species isolated from green leafy vegetables in coastal India through a rapid culture-independent method. Salmonella sp. from leaf samples were preliminarily screened for the presence of ESBL genes such as blaCTX-M, blaSHV, blaTEM and blaOXA. The multidrug resistance pattern was determ ...
... The effect of gamma radiation on the decontamination of microbial population, physico-chemical, radiation sensitivity and sensory characteristics of common spices for storage were evaluated. Spices were irradiated with gamma doses of 0 (as control), 2, 4, 6, 8 and 10 kGy, packed in the glass vials and stored at room temperature (22 ± 2°C) in the laboratory. In this research, Bacillus, Salmonella a ...
Omar Hernández Hernández; Ana L. Gutiérrez-Escolano; Cleo Cancio-Lonches; Montserrat H. Iturriaga; Juan Ramiro Pacheco-Aguilar; Rocío Morales-Rayas; Sofía M. Arvizu-Medrano
... A multiplex PCR method was developed for the simultaneous detection of murine norovirus (MNV-1) as a surrogate for human norovirus (HuNoV) GI and GII, Salmonella spp., Shigella spp., and Shiga toxin producing Escherichia coli (STEC) in fresh produce. The toxicity of the glycine buffer on bacterial pathogens viability was evaluated. The growth of each of the three pathogens (previously stressed) wa ...