Journal of Food Safety

Fri, 12/06/2019 - 03:18
Yogurt is a health food with notable market production and demand. Because of this, we conducted a study on prominent commercial brands of yogurts in Pakistan for microbial content and the probiotic potential of the contained lactic acid bacteria (LAB), in the context of their label claims. All contained viable LAB, but the numbers (cfu g−1) varied considerably. Three of the products made...
Fri, 12/06/2019 - 03:18
High prevalence of antimicrobial resistance (AMR) to drugs of critically/highly importance of human and veterinary medicine was observed among the recovered Escherichia coli, Salmonella spp., and Staphylococcus aureus, circulating over the different stages of poultry in India. Upward trend in AMR rates was observed in poultry‐retail shops than in poultry‐farms. Multi‐drug resistance was observed...
Sat, 11/30/2019 - 03:18
Graphical overview of the monitoring and risk assessment of fipronil in eggs. Abstract In 2017, an outbreak regarding the release to the market of contaminated eggs with fipronil, alerted all EU authorities as to monitor and take relevant measures. In Greece, a total of 40 samples of poultry fat and eggs taken from the primary production (poultry farms) were analyzed, as to investigate the...
Wed, 11/27/2019 - 03:18
This article review the emerging trends in the spread, distribution, and epidemiology of Listeria species in foods, water, human, animals, and different environments in the Southern African sub‐region based on the appraisal of scholarly articles available online. Reports obtained from literatures revealed that traditional microbiological method and the principle of aesculin hydrolysis on...
Wed, 11/27/2019 - 03:18
Dendrogram analysis of ERIC& REP fingerprints of ESBL producing Klebsiella pneumoniae isolates. Abstract Klebsiella species have been at the center of attention over the recent years due to its role in the evolution of antimicrobial resistance and is not only associated with nosocomial but also with food related infections worldwide. In this study, out of 336 samples of animal intestinal and...
Wed, 11/27/2019 - 03:18
Spot map showing areas of sample collection from Delhi‐NCR. Abstract Fresh fruits and vegetables contaminated with microbial pathogens can cause outbreaks of food poisoning and other enteric diseases if consumed raw. The objective of the present study was to determine the bacterial contamination and antibiotic resistance in fresh produce sold in Delhi, India. One hundred fifty samples of fruits...
Sat, 11/23/2019 - 03:18
Growth behavior of Salmonella (A–E) and Shigella (F–J) in tomato–cucumber, modified tomato–cucumber, tahini tomato–cucumber, coleslaw, and toum sauce salads, respectively, stored for 5 days at 4, 10, and 24°C. Abstract This study evaluated the behavior of Salmonella and Shigella (5–6 log CFU/g) in tomato–cucumber (TC) salad without additives (control), TC with 1.0% lemon juice and 0.5% salt, TC...
Wed, 11/20/2019 - 03:30
In this work, the photodynamic bactericidal effect of Rose Bengal (RB), combined with green LED light, against Staphylococcus aureus and Salmonella Typhimurium, was investigated. The interaction of RB concentration and illumination time was evaluated using a response surface methodology, and a second‐order polynomial empirical model was adjusted to the experimental data. The derived model...
Wed, 11/20/2019 - 03:30
Plantaricins are natural antimicrobial peptides produced by Lactobacillus plantarum strains. Plantaricin bacteriocins belong to the Bacteriocin class I and II, they have relatively low molecular weights. Most of them have a bactericidal effect against many pathogenic and nonpathogenic bacteria that is, Listeria monocytogenes, Pseudomonas aeruginosa, Lactobacillus thermophilus, and Lactobacillus...
Wed, 11/20/2019 - 03:30
46% of raw and 14% of ready‐to‐eat vegetable samples from Arusha city were contaminated with pesticide residues from the groups of organophosphates pyrethroids and organochlorines. Washing of vegetables twice or more and changing the washing water after each use (p = .01) or peeling (p = .008) was significantly associated with a reduction of pesticide residues in them. There was a significant...
Fri, 11/15/2019 - 03:17
This study aimed to assess the microbial contamination associated with the traditional processing of fresh pork into grilled pork in Benin. Sixty meat samples (fresh and processed pork) were randomly collected from different processing/selling sites, and the main foodborne microorganisms were sought. About 16.7% of samples exceeded the acceptable limit of <7.0 Log10 CFU g−1 recommended by the...
Thu, 11/07/2019 - 03:18
We developed an assay for detecting pork adulteration in meat and meatballs using real‐time polymerase chain reaction involving specific primers and a TaqMan probe targeting the porcine mitochondrial (mt) ATPase 6 gene. We proved the specificity of the probe by showing no amplification from DNA isolated from six different meat‐providing species: cattle, dog, mouse, chicken, goat, and horse. On...
Thu, 11/07/2019 - 03:18
This study investigated the occurrence of shiga toxin‐producing Escherichia coli (STEC), thermotolerant Campylobacter spp. and Salmonella spp. in Swedish dairy milk. A total of 302 inline milk filters were analyzed. Salmonella was not isolated from any filters. Polymerase chain reaction screening detected thermotolerant Campylobacter in 30.5% of the milk filters analyzed and it was isolated from...
Thu, 11/07/2019 - 03:18
The microbial population of kefir made from Korean kefir grain was profiled via next‐generation sequencing technology at the species level. Interestingly, Acetobacter fabarum was the second most predominent bacteria in kefir. We isolated Acetobacter fabarum DH1801 strain and revealed its potent and broad‐spectrum antimicrobial activity against pathogenic bacteria. This could contribute to the...
Thu, 11/07/2019 - 03:18
The present study evaluated raw milk samples from dairy farms and urban areas in Lahore District, Pakistan, for the measurement of chemical composition, presence of adulterants, total microbial, and heavy metals loads. Measurements of chemical composition and physicochemical properties of the raw milk samples collected from urban areas showed the following mean values of 2.76 ± 0.29, 2.62 ± 0.18...
Fri, 11/01/2019 - 03:18
Reduction of Listeria monocytogenes growth in pretreated whole milk with Lactobacillus fermentum L23. LM6 (control) (–■–); L. monocytogenes LM6 + Lactobacillus spp. (‐ ‐△‐ ‐). This work highlights the potential of Lactobacillus fermentum L23 and Lactobacillus rhamnosus L60 as protective cultures to reduce Listeria monocytogenes contamination in whole milk. Both lactobacilli strains demonstrated...
Wed, 10/30/2019 - 03:19
Listeria spp. are ubiquitously found in both the natural and the food processing environment, of which Listeria monocytogenes is of an important health risk. Here, we report on the formation of single and mixed species biofilms of L. monocytogenes/Listeria innocua and Lactobacillus plantarum strains in 24‐well polystyrene microtiter plates and on the inactivation of 24‐hr and 72‐hr biofilms using...
Wed, 10/30/2019 - 03:19
Formulation of bio‐degradable active and intelligent food packaging films Propolis extract resulted as an active material for food packaging Anthocyanin preformed as an intelligent material for food packaging Formulated films enhanced food quality, shelf life, and freshness Formulations had shown good antibacterial property against Escherichia coli and methicillin‐resistant Staphylococcus aureus...
Tue, 10/29/2019 - 03:19
The above article from the Journal of Food Safety, published online on November 23, 2018 in Wiley Online Library (https://onlinelibrary.wiley.com/doi/full/10.1111/jfs.12573), has been retracted by agreement between the journal Editor‐in‐Chief, Vivian Wu and Wiley Periodicals, Inc. The retraction has been agreed due to evidence indicating that the peer review of this paper was compromised and...
Tue, 10/29/2019 - 03:19
The above article from the Journal of Food Safety, published online on October 22, 2018 in Wiley Online Library (https://onlinelibrary.wiley.com/doi/full/10.1111/jfs.12501), has been retracted by agreement between the journal Editor‐in‐Chief, Vivian Wu and Wiley Periodicals, Inc. The retraction has been agreed due to evidence indicating that the peer review of this paper was compromised and...
Fri, 10/25/2019 - 03:24
Predicted and experimental values of Staphylococcus aureus during the storage period (log CFU/g).S. aureus can be inactivated in the early periods in probiotic cheese produced by using Lactobacillus rhamnosus and Lactobacillus casei Shirota together with the starter culture. In addition, this work recommends that the proposed. Fourier series‐modeling method provides the possibility to calculate...
Thu, 10/17/2019 - 03:22
The cover image is based on the Original Article Rolling circle amplification and its application in microfluidic systems for E. coli O157:H7 detections by Xudong Cao, Yuqian Jiang, Zhenyu Qiu et al., https://doi.org/10.1111/jfs.12671
Thu, 10/17/2019 - 03:22
This research aimed to determine microbiological and chemical quality of different types of salted pearl mullet (Chalcalburnus tarichi Pallas, 1811). Samples of salted pearl mullet (C. tarichi Pallas, 1811), produced by six different methods, were obtained from three different local producers at the end of the hunting season of 2016 and 2017 (May–June) with wooden boxes, plastic cans, or in...
Thu, 10/17/2019 - 03:22
This work assessed the risk of protozoa in 10 school restaurants in Armenia (Quindío, Colombia) by analyzing the presence of Cryptosporidium spp, Giardia duodenalis, Blastocystis, and Cyclospora cayetanensis DNA in the food, water, and living and inert surfaces of school restaurants and in stools of children who ate at these restaurants. Of the 213 food, water, and surface samples, 6.6% were...
Tue, 10/08/2019 - 03:21
The aim of this study was to examine the resistome characteristics of Salmonella spp. Contamination found in raw retail beef, pork, and chicken samples collected in Hanoi, Vietnam. Approximately 28% (25/90) of samples tested carried Salmonella bacteria. A total of 13/25 (52%) of these Salmonella bacteria were resistant to at least one antibiotic and 9/25 (36%) of the isolates were found to be...
Tue, 10/08/2019 - 03:21
The current study investigates the effect of Lactobacillus reuteri and Lactobacillus plantarum combined with water extract of garlic on microbial growth, chemical changes, and sensory attributes in ground beef samples at refrigeration condition (+4°C) up to 12 days of storage. in vitro study revealed that garlic extract combined with L. reuteri or L. plantarum caused 2.13 and 2.57 log reduction...
Sat, 10/05/2019 - 03:21
This study investigated the combined effects of different doses of UV‐C light at 260 nm (0–1,800 mWs/cm2) and ethanol (0–70%) on the reduction of Escherichia coli and Bacillus cereus in experimentally contaminated Gwamegi (semidried Pacific saury). After combined treatment of 4,800 mWs/cm2 of UV‐C and 70% ethanol, E. coli and B. cereus were reduced by 3.03 and 2.73 log CFU/g, respectively....
Wed, 09/11/2019 - 09:53
Abstract Detection of Salmonella on commercially processed broiler carcasses is essential to reduce the incidences of human salmonellosis. This study was designed to compare the standard procedure for Salmonella detection with two commercial screening methods. During seven separate visits to two processing plants, eight carcasses were obtained (n = 112). Each carcass was rinsed and the rinsate...
Thu, 09/05/2019 - 05:31
Abstract Sweeping frequency ultrasound washing is a recent technology of applying varying ultrasound frequencies in the decontamination of fresh produce. Ultrasound inactivation of Escherichia coli and Listeria innocua inoculated on fresh‐cut Chinese cabbage was investigated at sweeping frequencies of 28 ± 2 to 68 ± 2 kHz for washing time of 5–40 min. The survival ratio of E. coli and L. innocua...
Mon, 09/02/2019 - 05:45
Abstract The mechanisms of inactivation against Gram‐negative bacteria (GNB) including Pseudomonas aeruginosa, Escherichia coli, and Vibrio parahaemolyticus, and Gram‐positive bacteria (GPB) involving Listeria monocytogenes and Staphylococcus aureus, by dielectric barrier discharge cold atmospheric plasma were elucidated. Both GNB and GPB were exposed to treatment with cold plasma produced from...
Fri, 08/30/2019 - 08:33
Abstract The antibacterial activity and the mechanism of Tetrapleura tetraptera root extract against Escherichia coli and Staphylococcus aureus were investigated. The mechanism of action of T. tetraptera on tested bacterial species was predominantly characterized by the study of transmission electron microscopy, which revealed severe damage on the primary target which affected the cell integrity...
Fri, 08/30/2019 - 08:30
Abstract This research was done on the assumption that the risk for hepatocellular carcinoma (HCC) development that attributed to the consumption of highly contaminated food (HCF) with aflatoxin, may have a major contribution to the total of expected risk. If this hypothesis is true, it is easy to apply an effective and low‐cost intervention approach by excluding HCF and then subjecting it to...
Thu, 08/29/2019 - 15:52
Abstract The present research was carried out to determine the presence of Listeria monocytogenes in the equipment, staff, and products in the chicken shredding facilities operating in Samsun, and to serotype and genotype the isolates by PCR and PFGE analysis, respectively. Of the total of 192 samples tested, 25 were found to be L. monocytogenes positive from which 51 isolates were acquired. In...
Thu, 08/29/2019 - 15:34
Abstract The efficacy of the natural plant‐derived compound, eugenol (EG), as an antimicrobial wash treatment to reduce Campylobacter jejuni in postharvest poultry was investigated. The antimicrobial efficacy of EG was studied as a suspension, emulsion, or nanoemulsion treatment (two trials each). In each trial, chicken skin samples were inoculated with C. jejuni (∼7.2 Log CFU/sample), washed...
Wed, 08/28/2019 - 09:24
Abstract Spring water is an important direct drinking water resource. Enterococcus faecalis is a significant opportunistic pathogen from environment that causes human neonatal sepsis and urinary tract infections. Our study investigated the prevalence, virulence genes, antimicrobial resistance, and molecular characterization of E. faecalis from spring water in Guangdong, China. A total of 285...
Tue, 08/27/2019 - 11:13
Abstract This study was aimed to investigate the effects of lactic acid stress with acid adaptation on the survival and expression of virulence‐related genes in Escherichia coli O157:H7 (strains CICC21530, 89, 95, 112, 109, and J42). E. coli were subjected to acid adaption (pH 5.0) for 1–4 hr and then exposed to acid stress (pH 3.5) for 30–120 min. Results showed that exposure to pH 3.5...
Tue, 08/27/2019 - 10:11
Abstract The study investigated the effects of (E)‐2‐hexenal on morphology and function of Penicillium cyclopium spores, and these conidia were treated with (E)‐2‐hexenal at various concentrations. (E)‐2‐hexenal at 8× minimum fungicidal concentration (8× MFC, 2560 μl/L) severely damaged conidia membranes through scanning electron microscopy, which resulted in the changes in membrane permeability...
Tue, 08/27/2019 - 10:11
Abstract The primary aim of this study was to obtain a cost‐effective nanofiber (NCNF) on the surface of aluminum foil. The main aim of the study was to investigate the microbial quality parameters of fish flesh wrapped by aluminum foil coated with NCNF. NCNF having 128.98 nm average diameter and −2.26 mV zeta potential was successfully obtained. NCNF was utilized to delay the rapid increase in...
Wed, 08/21/2019 - 15:39
Abstract Production of aflatoxin by Aspergillus flavus in peanuts is both a health hazard and major problem. This study investigated the ability of a whey protein concentrate (WPC)‐based edible coating containing Williopsis saturnus var. saturnus to prevent growth of A. flavus and aflatoxin production in peanuts. WPC with/without W. saturnus (7 log colony‐forming unit [CFU]/g) or W. saturnus...
Wed, 08/21/2019 - 08:22
Abstract This investigation we evaluated the feasibility of using the insulated isothermal polymerase chain reaction (iiPCR) reagent in a POCKIT system to detect Staphylococcus aureus in foods by comparing its results with those obtained using quantitative PCR (qPCR). The iiPCR/POCKIT system could specifically detect S. aureus and Staphylococcus spp. and differentiate them from 10 other...
Mon, 08/19/2019 - 08:08
Abstract This study focused on significant hazard analysis, the determination and establishment of prerequisite programs, and the role of critical control point (CCP) based on ISO 22000:2018, providing guidelines and experiences related to the incorporation of significant hazard analysis and the use of the CCP decision tree approach to determine and update the possible CCPs of seven primary food...
Mon, 08/19/2019 - 08:08
Abstract Listeria monocytogenes is a foodborne pathogen widely distributed in nature. The aims of this study were to evaluate the occurrence of Listeria spp. in three dairy plants located in Southern Brazil, and to characterize the L. monocytogenes isolates according to serotypes, virulence genes, and PFGE. A total of 212 samples were collected, and 15 were positive for Listeria spp., of which...
Fri, 08/16/2019 - 09:35
Abstract In this study, we examined the effect of ethyl pyruvate on the efficacy of the inactivation of Listeria monocytogenes on the surface of sausage samples by using quantitative PCR (Q‐PCR). Propidium monoazide (PMA) was used for direct quantification of viable and dead cells. The samples inoculated with L. monocytogenes (~3 to 4 log CFU/mL) and uninoculated samples were treated with 0, 42...
Thu, 08/01/2019 - 15:53
Abstract Essential oils (EOs) have long been recognized for their medicinal properties. Application of EOs in food preservation has gained recent interest as natural alternatives to conventional chemicals. Even though the properties of EOs are extensively documented, their effect on several food‐related microorganisms is yet to be explored. In this study, six EOs were extracted by...
Thu, 07/25/2019 - 14:09
Abstract The objective of the present study was to conduct a survey to evaluate the postharvest handling of peanuts at farm level and to screen and identify the strains of Aspergillus and Penicillium species from peanut kernels in central Myanmar. A total of 640 samples from the stores of farmers, collectors, and wholesalers were collected and seeded for growth, isolation, and characterization...
Thu, 07/25/2019 - 08:48
Abstract The main safety issue of cereal grains is mycotoxin contamination. There is no published information about mycotoxin contamination of organic wheat in the United States. This study quantified the contents of deoxynivalenol (DON) and ochratoxin A (OTA), two frequently occurring mycotoxins, in organic wheat samples collected from six counties in North Carolina by enzyme‐linked...
Mon, 07/22/2019 - 08:24
Abstract The aim of this study was to assess the microbiological quality and safety of typical dry fermented sausages produced in Apulia region, Southern Italy, classified as “Traditional Agri‐Food Products” (T.A.P.). A total of 106 samples were collected and analyzed. Two samples of Soppressata di maiale nero dei Monti Dauni (1.89%) were positive to Listeria monocytogenes. Nevertheless, the...
Tue, 07/16/2019 - 08:57
Abstract In this research, effects of chitosan coating of brown trout (Salmo trutta fario) fillets containing inulin were determined. Chitosan enriched by vegetable oils (0% Chitosan‐control, 2% acetic acid +Chitosan, 2% sage oil+Chitosan, and 2% mint oil+Chitosan) on shelf life was investigated. In the experiment, fish fillets from the control and the experimental groups were subjected to...
Sun, 07/14/2019 - 13:23
Abstract The present study tested the antibacterial activity, expressed as minimum bactericidal concentration (MBC), of zinc oxide nanoparticles (ZnO‐NPs), copper oxide nanoparticles (CuO‐NPs) and their combination with or without rosemary, clove or cinnamon extract against Escherichia coli O157:H7 and Listeria monocytogenes. The NPs were characterized by scanning electron microscopy. The sizes...
Tue, 07/09/2019 - 14:30
Abstract In the present work, physicochemical, sensory characteristics and viability of Bifidobacterium bifidum and Lactobacillus casei of probiotic yogurt using dill (Anethum graveolens) essential oil (DEO) (50 and 100 ppm) were investigated at 4°C for 21 days. Alterations in amount of fat and protein of yogurt treatments during storage time were not significant. The viability of B. bifidum and...

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