Journal of Food Safety

Wed, 01/22/2020 - 03:18
A newly isolated Campylobacter jejuni bacteriophage CJ01 was partially characterized and might be a potential biocontrol agent to improve food safety. Abstract Campylobacter jejuni is a major foodborne pathogen causing acute bacterial enteritis worldwide. Screening of novel bacteriophages as biocontrol tools to eliminate C. jejuni in food during pre‐ and postharvest is an emerging research field...
Fri, 01/17/2020 - 03:16
Process lethality during a 5 min resting period for E. coli O157 C37 and J3, and E. coli AW1.7 in patties cooked to 71°C. F2, single‐sided cooking with flipping twice; F3, single‐sided cooking with flipping three times; D, double‐sided cooking. Abstract This study assessed the adequacy of the current cooking recommendations in relation to heat resistant Escherichia coli by evaluating eight...
Fri, 01/17/2020 - 03:16
Pasteurized trim milk was irradiated through coiled tube ultraviolet (UV‐C) reactor. Pasteurization followed by UV‐C treatment can increase shelf life of milk. UV‐C can inactivate spores under ambient conditions. Abstract The demand for minimally processed foods has increased in the last few years and gains high acceptability among consumers as it has better nutritional value than highly...
Wed, 01/15/2020 - 03:17
The present study investigated in vitro antimicrobial activity of Eryngium caeruleum essential oil (EEO) against some of the fish spoilage and fish‐borne pathogenic bacteria. Moreover, its effects on specific spoilage microorganisms, inoculated Listeria monocytogenes, and its sensory changes in minced fish were evaluated. The results showed that EEO had a significant in vitro antimicrobial effect...
Sat, 01/11/2020 - 03:17
Alpha diversity boxplots showing the distribution of Chao1 diversity for produce items. The Chao1 alpha diversity is presented for samples from farm fresh (cucumbers, tomatoes, and kale) and organic (squash and green bell peppers) produce items collected 1, spiepr146 24, and 96 hr after treatment with water, chlorine, PAA, or SalmoFresh. Abstract Diets rich in minimally processed foods are...
Sat, 01/11/2020 - 03:17
Salmonella were detected in 3 of 24 cucumbers, all of which were multidrug‐resistant and one was acid‐resistant. In addition, developed dynamic model showed that the Salmonella isolates proliferated gradually in cucumber under changing temperature, simulating storage condition. These results suggest that cross‐contaminated Salmonella could increase during storage. It may lead to human infection,...
Wed, 01/08/2020 - 03:20
The apple‐, carrot‐, and hibiscus‐based edible films containing carvacrol and cinnamaldehyde showed antimicrobial effects against Escherichia coli O157:H7 on organic leafy greens in sealed plastic bags. All three types of 3% carvacrol‐containing films reduced E. coli O157:H7 population by about 5 log CFU/g at day 0. The 1.5% carvacrol‐containing films reduced E. coli O157:H7 population by 1–4...
Tue, 01/07/2020 - 03:18
The current study demonstrated that SEU promoted the proinflammatory activity of macrophage via upregulation of AIF‐1 expression. The expression of AIF‐1 was inferred by RNAi and the interference abolished the increase of cell proliferation and inflammatory cytokine TNFα, IL6 secretion. Abstract Staphylococcal enterotoxins (SEs) are a wide array of virulence factors produced by Staphylococcus...
Sat, 01/04/2020 - 03:18
Boning of dry‐cured hams involves additional handling which increases the risk of contamination with Listeria monocytogenes. This work studies the ability of E‐beam to eliminate this pathogen from boned dry‐cured ham (BDH). The destruction kinetics of four L. monocytogenes strains (S2, S4‐2, S12‐1, and S7‐2) and L. innocua NCTC 11288 as a surrogate were determined at doses up to 3 kGy. L. innocua...
Thu, 01/02/2020 - 03:18
The combined effect of the 222‐nm krypton‐chlorine (KrCl) excilamp and ohmic heating for the inactivation of Listeria monocytogenes, Salmonella enterica serovar Typhimurium, and Escherichia coli O157:H7 in apple juice was investigated in this study. When ohmic heating and a KrCl excilamp were applied to apple juice simultaneously, the reduction level of E. coli O157:H7 following 70 s (target...
Tue, 12/24/2019 - 03:18
Enzymatic treatment is capable of removing the biofilm matrix so that the subsequent disinfection can be more effective. Abstract Bacterial biofilms are highly difficult to control, hence significant economic resources have been allocated to develop strategies to eradicate them. This study evaluated the effect of an enzymatic treatment to be used as a cleaning product to control the presence of...
Sat, 12/21/2019 - 03:30
Concentration of free chlorine before and after 15 min of exposure to washing water added of lettuce residues for each sodium hypochlorite treatment. Abstract Salmonella spp. is one of the main lettuce pathogens and should be inactivated during the disinfection of these vegetables before consumption. In minimally processed vegetable industries, residues of organic matter can prevent the...
Sat, 12/21/2019 - 03:30
Whey protein concentrate (WPC) mixed with various concentrations of Shirazi thyme (ST), sage, and cumin seed (CS) extracts separately. Then pistachio kernels (PK) contaminated with Aspergillus flavus (Af) were coated with each extract and the Af mycelium and generated aflatoxins measured after 3, 5, and 7‐days at 20°C. The ST, sage, and CS had two major antioxidants of thymol (~27%) and carvacrol...
Thu, 12/19/2019 - 03:19
Leuconostoc mesenteroides strains isolated from kimchi were shown to be effective probiotics for inhibiting Listeria monocytogenes biofilm formation more than 40‐fold. The cell‐free supernatant from the L. mesenteroides culture also decreased Listeria biofilms. This study indicates that kimchi probiotics can be applied to repress Listeria biofilm contamination on surfaces at food processing...
Thu, 12/19/2019 - 03:19
The aim of this work was to collect relevant input data for integration into Monte‐Carlo simulation using 10,000 iterations to obtain quantitative estimates of exposure and associated risk to Staphylococcus aureus and Salmonella. Higher prevalence rates of S. aureus (54.9 vs. 28.3%) and Salmonella (12.9 vs. 11.1%) were observed for raw milk distributed via collection milk collection centers (MCC...
Tue, 12/17/2019 - 03:18
This study introduces a proactive management strategy in food distribution channels and measures its effectiveness quantitatively. Experts conducted 5,131 assessments of 3,390 products based on a food safety assessment criteria checklist. Three on‐site audits at the point of sales without prior interventions showed nonconformance of 5.19%, 5.74%, and 6.22. With the introduction of proactive food...
Sat, 12/14/2019 - 03:18
Sand filter‐UV‐C treatment for irrigation water. Abstract Surface irrigation water is a food safety risk due to susceptibility to contamination and varying turbidity that affects chlorination efficacy. Effectiveness of a combined high‐throughput, commercially available sand filter and UV‐C system to inactivate Escherichia coli (K12, and attenuated O157:H7) in simulated irrigation water of varying...
Sat, 12/14/2019 - 03:18
Graphical overview of the incidence and characterization of Aspergillus section Flavi in raw materials and finished feed in Algeria and their ability to produce aflatoxins, cyclopyazonic acid and ochratoxine A. Abstract In Algeria, little information is available on the population structure of Aspergillus section Flavi in raw materials and resultant animal feeds. A total of 172 isolates belonging...
Wed, 12/11/2019 - 03:35
Bacteriophages are a potential agent for the biocontrol of Shiga toxin‐producing Escherichia coli in milk. Stability and activity of bacteriophages may increase the safety of dairy products. Additionally, phages can successfully reduce bacterial biofilm on the food processing surface. Abstract Shiga toxin‐producing Escherichia coli is a common foodborne pathogen which transmission includes dairy...
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...

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