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Journal of Food Protection

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https://www.readbyqxmd.com/read/28338343/nuggets-of-wisdom-salmonella-enteritidis-outbreaks-and-the-case-for-new-rules-on-uncooked-frozen-processed-chicken
#1
J Leigh Hobbs, Bryna Warshawsky, Anne Maki, Sandra Zittermann, Allana Murphy, Anna Majury, Dean Middleton
In 2014 and 2015, three Canadian Salmonella serotype Enteritidis outbreak investigations implicated uncooked, frozen, processed chicken products produced at the same establishment, namely establishment A. In November 2014, a sustained increase in the number of reported domestically acquired Salmonella Enteritidis cases in Ontario led to the first outbreak investigation, which implicated uncooked, frozen, processed chicken products produced at establishment A. In June 2015, the identification of pulsed-field gel electrophoresis patterns that had not been previously reported in Canada led to a national Salmonella Enteritidis investigation...
March 24, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28304196/a-limited-survey-of-dark-chocolate-bars-obtained-in-the-united-states-for-undeclared-milk-and-peanut-allergens
#2
Binaifer Bedford, Ye Yu, Xue Wang, Eric A E Garber, Lauren S Jackson
Undeclared allergens in chocolate products have been responsible for numerous allergen-related recalls in the United States. A survey was conducted to determine the prevalence of undeclared milk and peanut in 88 and 78 dark chocolate bars, respectively. Concentrations of milk (as nonfat dry milk) or peanut in three samples of each chocolate product were determined with two milk- or peanut-specific enzyme-linked immunosorbent assay kits. In 75% of the chocolate bar products with a milk advisory statement, milk concentrations were above the limit of quantitation (2...
March 17, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28304195/neutralization-of-bactericidal-activity-related-to-antimicrobial-carryover-in-broiler-carcass-rinse-samples
#3
Gary R Gamble, Mark E Berrang, R Jeff Buhr, Arthur Hinton, Dianna V Bourassa, Kimberly D Ingram, Eric S Adams, Peggy W Feldner, John J Johnston
Studies were conducted to examine the ability of three chemicals to neutralize residual antibacterial activity of commercial antimicrobial chemicals used in poultry processing. Chemical antimicrobial interventions used in poultry processing may have potential for carryover into whole poultry carcass buffered peptone water (BPW) rinses collected for monitoring Salmonella contamination. Such carryover may lead to false-negative results due to continuing bactericidal action of the antimicrobial chemicals in the rinse...
March 17, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28294687/twenty-two-years-of-u-s-meat-and-poultry-product-recalls-implications-for-food-safety-and-food-waste
#4
Acton Gorton, Matthew J Stasiewicz
The U.S. Department of Agriculture, Food Safety and Inspection Service maintains a recall case archive of meat and poultry product recalls from 1994 to the present. In this study, we collected all recall records from 1994 to 2015 and extracted the recall date, meat or poultry species implicated, reason for recall, recall class, and pounds of product recalled and recovered. Of a total of 1,515 records analyzed, the top three reasons for recall were contamination with Listeria, undeclared allergens, and Shiga toxin-producing Escherichia coli ...
March 15, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28294686/utility-of-combining-whole-genome-sequencing-with-traditional-investigational-methods-to-solve-foodborne-outbreaks-of-salmonella-infections-associated-with-chicken-a-new-tool-for-tackling-this-challenging-food-vehicle
#5
Samuel J Crowe, Alice Green, Kimberly Hernandez, Vi Peralta, Lyndsay Bottichio, Stephanie Defibaugh-Chavez, Aphrodite Douris, Laura Gieraltowski, Kelley Hise, Karen La-Pham, Karen P Neil, Mustafa Simmons, Glenn Tillman, Beth Tolar, Darlene Wagner, Jamie Wasilenko, Kristin Holt, Eija Trees, Matthew E Wise
High consumption rates and a multitude of brands make multistate foodborne outbreaks of Salmonella infections associated with chicken challenging to investigate, but whole genome sequencing is a powerful tool that can be used to assist investigators. Whole genome sequencing of pathogens isolated from clinical, environmental, and food samples is increasingly being used in multistate foodborne outbreak investigations to determine with unprecedented resolution how closely related these isolates are to one another genetically...
March 15, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28294685/star-anise-illicium-verum-hook-f-as-quorum-sensing-and-biofilm-formation-inhibitor-on-foodborne-bacteria-study-in-milk
#6
Md Ramim Tanver Rahman, Zaixiang Lou, Jun Zhang, Fuhao Yu, Yakindra Prasad Timilsena, Caili Zhang, Yi Zhang, Amr M Bakry
Bacteria use quorum sensing (QS) systems to communicate with each other and regulate microbial group behavior, such as the secretion of virulence factors, including biofilm formation. In order to explore safe, edible agents, the potential of star anise (SA) as an anti-QS and antibiofilm agent and its possible application in milk safety were investigated. Staphylococcus aureus , Salmonella Typhimurium, Pseudomonas aeruginosa , and biosensor strain Chromobacterium violaceum were selected as test strains for QS, biofilm, and exopolysaccharide assays...
March 15, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28294684/survival-of-salmonella-newport-on-whole-and-fresh-cut-cucumbers-treated-with-lytic-bacteriophages
#7
Manan Sharma, Gwendolyn Dashiell, Eric T Handy, Cheryl East, Russell Reynnells, Chanelle White, Esmond Nyarko, Shirley Micallef, Fawzy Hashem, Patricia D Millner
Salmonella enterica associated with consumption of cucumbers ( Cucumis sativus ) has led to foodborne outbreaks in the United States. Whole and fresh-cut cucumbers are susceptible to S. enterica contamination during growing, harvesting, and postharvest handling. The application of lytic bacteriophages specific for S. enterica was evaluated to reduce Salmonella populations on cucumbers. Unwaxed cucumbers ('Lisboa' variety, or mini-cucumbers purchased at retail) were inoculated with Salmonella Newport (5 log CFU per cucumber) and were sprayed with 3...
March 15, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28294683/evaluation-of-rectoanal-mucosal-swab-sampling-for-molecular-detection-of-enterohemorrhagic-escherichia-coli-in-beef-cattle
#8
Getahun E Agga, Terrance M Arthur, Susanne Hinkley, Joseph M Bosilevac
Cattle are a primary reservoir of enterohemorrhagic Escherichia coli (EHEC), and contaminated beef products are a source of human infections. The U.S. Department of Agriculture Food Safety and Inspection Service declared seven EHEC serogroups (O26, O45, O103, O111, O121, O145, and O157) as adulterants in raw ground beef. Sampling a large number of animals for EHEC surveillance or evaluations of EHEC-focused preharvest interventions requires a convenient and robust sampling method. We evaluated the diagnostic performance of rectoanal mucosal swab (RAMS) for the detection of the top seven EHEC serogroups...
March 15, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28294682/rapid-screening-technique-to-identify-sudan-dyes-i-to-iv-in-adulterated-tomato-sauce-chilli-powder-and-palm-oil-by-innovative-high-resolution-mass-spectrometry
#9
Simona Sciuto, Giovanna Esposito, Luana Dell'Atti, Chiara Guglielmetti, Pier Luigi Acutis, Francesca Martucci
Sudan dyes are synthetic azo dyes used by industry in a variety of applications. Classified as carcinogenic, they are not allowed in foodstuffs; however, their presence as adulterants in food products has been regularly reported. Here, we describe an innovative screening method to detect Sudan I, II, III, and IV in tomato sauce, palm oil, and chilli powder. The method entails minimal sample preparation, completely avoiding the liquid chromatography phase, followed by detection and identification through atmospheric pressure chemical ionization time-of-flight mass spectrometry, in positive ionization mode...
March 15, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28291386/occurrence-of-toxigenic-fungi-and-aflatoxin-potential-of-aspergillus-spp-strains-associated-with-subsistence-farmed-crops-in-haiti
#10
Junior Aristil, Giovanni Venturini, Alberto Spada
Subsistence farming and poor storage facilities favor toxigenic fungal contamination and mycotoxin accumulation in staple foods from tropical countries such as Haiti. The present preliminary study was designed to evaluate the occurrence of toxigenic fungi in Haitian foodstuffs to define the mycotoxin risk associated with Haitian crops. The objectives of this research were to determine the distribution of toxigenic fungi in the Haitian crops maize, moringa, and peanut seeds and to screen Aspergillus section Flavi (ASF) isolates for production of aflatoxins B1 and G1 in vitro...
March 14, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28291385/determination-of-oxytetracycline-and-4-epi-oxytetracycline-residues-in-feathers-and-edible-tissues-of-broiler-chickens-using-liquid-chromatography-coupled-with-tandem-mass-spectrometry
#11
Javiera Cornejo, Ekaterina Pokrant, Magdalena Krogh, Cristóbal Briceño, Héctor Hidalgo, Aldo Maddaleno, Carolina Araya-Jordán, Betty San Martín
Antibiotics have been widely used in poultry production for the treatment of bacterial diseases. However, drug residues can remain in products derived from animals after the cessation of the drug therapies. Feathers, in particular, have shown an affinity for antibiotics such as tetracycline, suggesting the persistence of these drugs in nonedible tissue. After the birds are slaughtered, feathers are ground into feather meals, which are used as organic fertilizer or an ingredient in animal diets, thereby entering into the food chain and becoming a potential risk for public health...
March 14, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28291384/foodborne-salmonellosis-in-italy-characterization-of-salmonella-enterica-serovar-typhimurium-and-monophasic-variant-4-5-12-i-isolated-from-salami-and-human-patients
#12
Giuseppina Andreoli, Cristina Merla, Claudia Dalla Valle, Francesco Corpus, Marina Morganti, Mario D'incau, Silvia Colmegna, Piero Marone, Massimo Fabbi, Lisa Barco, Elena Carra
Salmonella enterica serovar Typhimurium (STm) and its monophasic variant 4,[5],12:i:- (VMSTm) have been responsible for an increased number of foodborne infections in humans in Europe in recent years. The aim of this study was to investigate the origin of three foodborne salmonellosis outbreaks that occurred in Pavia Province (Lombardy region, northern Italy) in 2010. Phenotypic and genetic characteristics of the STm and VMSTm isolates from patients and from food that were recovered in the framework of the three outbreaks were evaluated through serotyping, phage typing, antimicrobial susceptibility testing, pulsed-field gel electrophoresis (PFGE), and multiple-locus variable-number tandem repeat analysis (MLVA)...
March 14, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28282226/a-quantitative-real-time-pcr-approach-for-assessing-campylobacter-jejuni-and-campylobacter-coli-colonization-in-broiler-herds
#13
Katrin Haas, Gudrun Overesch, Peter Kuhnert
Human campylobacteriosis is a major public health concern in developed countries, with Campylobacter jejuni and Campylobacter coli from poultry recognized as the main source of human infection. Identification of Campylobacter-positive broiler herds before slaughter is essential for implementing measures to avoid carryover of pathogens via the slaughter process into the food chain. However, appropriate methods that have been validated for testing poultry flocks antemortem are lacking for Campylobacter. A quantitative real-time PCR (qPCR) that allows simultaneous detection and quantification of C...
March 10, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28282225/quantitative-microbial-risk-assessment-for-campylobacter-foodborne-illness-in-raw-beef-offal-consumption-in-south-korea
#14
Jiyeon Jeong, Jeeyeon Lee, Heeyoung Lee, Soomin Lee, Sejeong Kim, Jimyeong Ha, Ki-Sun Yoon, Yohan Yoon
This study evaluated the risk of Campylobacter foodborne illness caused by the intake of raw beef offal in South Korea. The prevalence of Campylobacter spp. in raw beef offal (liver and tripe) was investigated by plating samples on modified charcoal-cefoperazone-deoxycholate agar with Preston enrichment broth. Data were collected about storage temperature and length of storage of raw beef offal, and probabilistic distributions for the data were determined, using @RISK software. Predictive models were developed to describe the fate of Campylobacter in raw beef offal, and the amount and frequency of consumption and dose-response model were surveyed...
March 10, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28334549/limitations-of-immunomagnetic-separation-for-detection-of-the-top-seven-serogroups-of-shiga-toxin-producing-escherichia-coli
#15
J Hallewell, T Alexander, T Reuter, K Stanford
Shiga toxin-producing Escherichia coli (STEC) strains are foodborne pathogens that negatively impact human health and compromise food safety. Serogroup O157 is the most frequently isolated and studied STEC serogroup, but six others (O26, O45, O103, O111, O121, and O145) have also been identified as significant sources of human disease and collectively have been referred to as the "top six" pathogenic serogroups. Because detection methods for non-O157 serogroups are not yet refined, the objective of this study was to compare the effectiveness of immunomagnetic separation (IMS) for recovery of serogroup O157 isolates with that for each of the top six E...
March 9, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28272923/inactivation-of-listeria-monocytogenes-on-frozen-red-raspberries-by-using-uv-c-light
#16
Yen-Te Liao, Roopesh M Syamaladevi, Hongchao Zhang, Karen Killinger, Shyam Sablani
In this study, the efficacy of UV-C treatment was determined on the reduction of foodborne pathogens on artificially contaminated frozen food surfaces. At first, the UV-C inactivation rates on 100 μl of the respective cocktails of Escherichia coli O157:H7, Salmonella , and Listeria monocytogenes covered underneath 0.5-cm-thick ice were examined. Simultaneously, the energy percentage of UV-C transmitted through the ice was determined. The experiments showed that more than 65% of the UV-C light energy passed through the ice and that UV-C susceptibility was in the descending order of E...
March 8, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28272922/all-natural-and-clean-label-preservatives-and-antimicrobial-agents-used-during-poultry-processing-and-packaging
#17
Ar'quette Grant, Salina Parveen
The poultry industry is faced with compounding pressures of maintaining product safety and wholesomeness while keeping up with consumer trends of all-natural foods and label accuracy. Consumers are increasingly demanding that their foods be minimally processed and contain compounds that are easily read and recognized, i.e., products must be clean labeled. The purpose of this review is to briefly describe several natural antimicrobial agents that can be incorporated into poultry processing. These compounds and their essential oils were included in this mini-review because they are generally recognized as safe by the U...
March 8, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28272921/prevalence-and-risk-factors-of-coxiella-burnetii-antibodies-in-bulk-milk-from-cattle-sheep-and-goats-in-jordan
#18
Mohammad M Obaidat, Gilbert J Kersh
This large-scale cross-sectional study was conducted to determine the prevalence, geographical distribution, and risk factors for the presence of antibodies against Coxiella burnetii in bulk tank milk derived from dairy cattle, sheep, and goats in Jordan. Bulk milk samples were collected from 78 dairy cattle, 48 sheep, and 23 goat farms from various places in Jordan according to the density of these animal species in each region of the country. The samples were tested for C. burnetii antibodies using the CHEKIT Q-Fever Antibody ELISA kit...
March 8, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28272920/genetic-characterization-of-listeria-monocytogenes-isolates-from-industrial-and-retail-ready-to-eat-meat-based-foods-and-their-relationship-with-clinical-strains-from-human-listeriosis-in-portugal
#19
A R Henriques, J Melo Cristino, M J Fraqueza
Listeria monocytogenes isolates (n = 81) recovered from ready-to-eat meat-based food products (RTEMP) collected in industrial processing plants and retail establishments were genetically characterized for comparison with those from human clinical cases of listeriosis (n = 49). The aim was to assess RTEMP as a possible food source for human infection. L. monocytogenes was detected in 12.5% of the RTEMP samples, and in some cases, counts were above the European food safety criteria. All isolates were assessed by multiplex PCR for serogroup determination and detection of virulence-associated genes inlA, inlB, inlC, inlJ, plcA, hlyA, actA, and iap...
March 8, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28272919/in-situ-generation-of-chlorine-dioxide-for-surface-decontamination-of-produce
#20
Cheng-An Hwang, Lihan Huang, Vivian Chi-Hua Wu
Fresh fruits and vegetables are frequently contaminated with bacterial pathogens and implicated in foodborne illnesses. The objective of this study was to develop a unique surface decontamination method for produce using sodium chlorite and an acid in a sequential treatment. The surfaces of cantaloupe rinds, peels of cucumbers, stem scars of grape tomatoes, and leaves of baby spinach were inoculated with Salmonella or Listeria monocytogenes at 5 to 6 log CFU/g, submerged in 1.6 to 4% sodium chlorite solutions for 10 or 30 min, dried for 20 min, and then soaked in 6 mM hydrogen chloride (HCl) for 10 or 30 min and dried for 20 min...
March 8, 2017: Journal of Food Protection
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