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Journal J. Food Prot.

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Survival of Shiga Toxin-Producing Escherichia coli in Various Wild Animal Feces That May Contaminate Produce.

Zeynal Topalcengiz, Saharuetai Jeamsripong, Patrick M Spanninger, Anil K Persad, Fei Wang, Robert L Buchanan, Jeff LeJEUNE, Kalmia E Kniel, Michele T Jay-Russell, Michelle D Danyluk,

ABSTRACT:Domestic and wild animal intrusions are identified as a food safety risk during fresh produce production. The purpose of this study was to evaluate the survival of Shiga toxin-producing Escherichia coli (STEC) in cattle, feral pig, waterfowl, deer, and raccoon feces from sources in California, Delaware, Florida, and Ohio. Fecal ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, 83(8):1420-1429]

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Outbreaks of Escherichia coli O157:H7 Infections Linked to Romaine Lettuce in Canada from 2008 to 2018: An Analysis of Food Safety Context.

GeneviÈve Coulombe, Angela Catford, Amalia Martinez-Perez, Enrico Buenaventura,

ABSTRACT:Foodborne diseases are a major cause of illness in Canada. One of the main pathogens causing cases and outbreaks of foodborne illness in Canada is Escherichia coli O157:H7. From 2008 to 2018, 11 outbreaks of E. coli O157:H7 infection in Canada were linked to leafy greens, including 7 (63.6%) linked ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, 83(8):1444-1462]

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Growth of Listeria monocytogenes in a Model High-Moisture Cheese on the Basis of pH, Moisture, and Acid Type.

Sarah K Engstrom, Christie Cheng, Dennis Seman, Kathleen A Glass,

ABSTRACT:High-moisture, low-acid cheeses have been shown to support Listeria monocytogenes growth during refrigerated storage. Prior studies suggest that organic acids vary in their antilisterial activity and that cheeses of lower pH delay growth longer than those of higher pH; however, no standard pH value for Listeria control in cheese exists. ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, 83(8):1335-1344]

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Assessment of Fumonisin B1 Concentrations in Wheat and Barley Products in the Punjab Region of Pakistan.

Shahzad Zafar Iqbal, Baber Rehman, Jinap Selamat, Nadia Akram, Mirza Nadeem Ahmad, Maimuniah Sanny, Rashidah Sukor, Nik Iskandar Samsudin,

ABSTRACT:A total of 133 samples of whole wheat and barley grains and wheat and barley flour collected from retail markets in the main cities of Punjab, Pakistan, were analyzed for the mycotoxin fumonisin B1 (FB1) using reverse phase high-performance liquid chromatography with fluorescence detection. Of these samples, 120 (90%) were ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, 83(8):1284-1288]

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Growth Inhibition and Alternation of Virulence Genes of Salmonella on Produce Products Treated with Polyphenolic Extracts from Berry Pomace.

Zabdiel Alvarado-Martinez, Zajeba Tabashsum, Serajus Salaheen, Christine Mui, Alex Lebovic, Stefano Gaspard, Anthony Dattilio, Alana Young, Nana-Frekua Kennedy, Debabrata Biswas,

ABSTRACT:Organic farming, including integrated crop-livestock farms and backyard farming, is gaining popularity in the United States, and products from these farms are commonly sold at farmers' markets, local stores, and roadside stalls. Because organic farms avoid using antibiotics and chemicals and because they use composted animal waste and nonprofessional harvesting ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, 83(8):1463-1471]

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Two IncHI2 Plasmid-Mediated Colistin-Resistant Escherichia coli Strains from the Broiler Chicken Supply Chain in Zhejiang Province, China.

Jiang Chang, Biao Tang, Yifei Chen, Xiaodong Xia, Mingrong Qian, Hua Yang,

ABSTRACT:Colistin is used as one of the last-resort drugs against lethal infections caused by carbapenem-resistant pathogens of the Enterobacteriaceae family. Enterobacteriaceae bacteria carrying the mcr-1 colistin resistance gene are emerging in livestock and poultry, posing a serious threat to human health. However, there have been few reports about the prevalence ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, 83(8):1402-1410]

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Validation Using Diverse, Difficult-to-Detect Salmonella Strains and a Dark Chocolate Matrix Highlights the Critical Role of Strain Selection for Evaluation of Simplified, Rapid PCR-Based Methods Offering Next-Day Time to Results.

Catharine R Carlin, Samantha S Lau, Rachel A Cheng, Ariel J Buehler, Zeina Kassaify, Martin Wiedmann,

ABSTRACT:Modifications to pathogen detection kits to accomplish simplified protocols with reduced time to results may impact method performance, particularly when combining shortened enrichment times and simplified enrichment procedures. We used Salmonella detection in dark chocolate as a model to test the impact of different enrichment times (minimum and maximum validated ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, 83(8):1374-1386]

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Heavy Metals in Grains  from Jilin Province, China and Human Health Risk .

Shaowu Lv, Danyang Ge, Haicheng Gao, Nan Guo, Mengmeng Jiang, Haixia Ma, Yingchun Li, Liannishang Li, Yi Yang, Guangxu Fang, Ketong Zhu, Pingsheng Gong,

Heavy metals (HMs) are an indispensable part of industrial and agricultural development. As the cradle of China's industry and an important province for agricultural production, Jilin Province has been concerned about the pollution of HMs in the local environment and grains. In this paper, we chose four HMs that are ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, :]

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Safety Assessment of Foods at Capital Hospital of Pakistan through the Hazard Analysis and Critical Control Point System.

Aurang Zeb, Riffat Ayesha, Syed Amir Gilani, Muhammad Shahbaz, Ali Imran, Ahmed El-Ghorab, Khaled Farouk El-Massry, Raheel Suleman, Tanveer Aslam Gondal, Muhammad Asif, Sheraz Ahmed, Muhammad Inam Afzal, Muhammad Tauseef Sultan, Atif Nasir Ahmad, Muhammad Imran,

ABSTRACT:Food safety is a current challenge that needs to be addressed globally to overcome burden of foodborne diseases. In this study, food samples collected from Pakistan Institute of Medical Sciences, Islamabad, were analyzed for microbial quality. Parameters to measure the presence or absence of Salmonella, Staphylococcus, coliform, fungi, enteropathogenic Escherichia ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, 83(8):1387-1395]

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Modified Enzymatic Assays for the Determination of Histamine in Fermented Foods.

Kazuhiko Shimoji, Erika Isono, Mikio Bakke,

ABSTRACT:Histamine is a biogenic amine, produced in spoiled fish and some fermented products, which causes a foodborne disease similar to an allergic reaction. Because regulatory levels on histamine in food have been set by many countries or organizations, a quick and accurate analysis of histamine is of great interest. An ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, 83(8):1430-1437]

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Distribution of Toxoplasma gondii Tissue Cysts in Shoulder Muscles of Naturally Infected Goats and Lambs.

Surabhi Rani, Camila K Cerqueira-CÉzar, Fernando H A Murata, Oliver C H Kwok, Jitender P Dubey, Abani K Pradhan,

ABSTRACT:Toxoplasmosis has been recognized as a major public health problem worldwide. The consumption of uncooked or undercooked meat infected with Toxoplasma gondii tissue cysts is one of the main means of transmission of this parasite. Although sheep, goats, and pigs are commonly infected with T. gondii, little information is available ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, 83(8):1396-1401]

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Characterization of Fungal Surface Contaminants of the Small Maltese June Pear, Pyrus communis var. bambinella.

Arianne Muscat, Davide Sardella, Stephen Decelis, Maria Gougouli, Konstantinos P Koutsoumanis, Sonia MarÍn, Vasilis P Valdramidis,

ABSTRACT:Fungal pathogens cause surface contamination and potential premature fruit spoilage of bambinella, a fruit endemic to the Maltese islands, leading to the loss of fruit during the postharvest phase. The objective of this study was to isolate, quantify, and characterize fungal contaminants of the small Maltese June Pear and describe ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, 83(8):1359-1367]

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Street Food, Food Safety, and Regulation: What is the Panorama in Colombia?

Claudia PatrÍcia Alvarez Contreras, Ryzia de Cassia Vieira Cardoso, Lis Nery Nunes da Silva, Rafael Emilio Gonzalez Cuello,

ABSTRACT:Public management of street food is a challenge in many countries. In Colombia, despite the extent of the economic, social, and food contributions of the segment and the concern from the public health perspective, the amount of research on the subject still remains insufficient. Thus, this study aimed to establish ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, 83(8):1345-1358]

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Growth of Listeria monocytogenes Inoculated on Packaged Fresh-Cut Turnips Stored at 4 and 10°C.

Grant L Brierley, Valeria R Parreira, Jeffrey M Farber, Franco Pagotto,

ABSTRACT:The ecology of Listeria monocytogenes has been previously investigated in various whole and minimally processed raw vegetables, but not in turnips. A 2018 national Canadian recall for packaged fresh-cut turnips contaminated with L. monocytogenes raised concerns about turnips being able to support the growth of this microorganism. Thus, this study ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, 83(8):1296-1301]

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Prevalence of Extreme Heat-Resistant Gram-Negative Bacteria Carried by U.S. Cattle at Harvest.

Manita Guragain, Gregory E Smith, David A King, Joseph M Bosilevac,

ABSTRACT:Prevalence of heat-resistant bacteria in beef poses a potential problem as thermal interventions are routinely used in beef processing to control contamination. Despite extreme heat-resistant (XHR) Escherichia coli having been isolated from a ground beef processing plant, there has not been a study to assess the prevalence of XHR E. ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, 83(8):1438-1443]

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Synergistic Inactivation Mechanism of Combined Plasma-Activated Water and Mild Heat against Saccharomyces cerevisiae.

Rong Zhang, Yunfang Ma, D I Wu, Liumin Fan, Yanhong Bai, Qisen Xiang,

ABSTRACT:This study aimed to elucidate the mechanism of synergistic inactivation of Saccharomyces cerevisiae by the combined use of plasma-activated water (PAW) and mild heat (40 to 50°C). A reduction of 4.40 log CFU/mL in S. cerevisiae was observed after the synergistic combination of PAW and mild heat at 50°C for ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, 83(8):1307-1314]

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Effectiveness of Preparation Practices on the Inactivation of Salmonella enterica Serovar Enteritidis in Frozen Breaded Chicken Strips.

Mary Rao, Andrei Klappholz, Sandeep Tamber,

ABSTRACT:Over the past 15 years, multiple foodborne outbreaks have occurred in Canada due to the presence of Salmonella enterica in frozen breaded chicken products. These chicken products were raw and required cooking in conventional household ovens to inactivate any pathogens that they may have been harboring. During the course of ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, 83(8):1289-1295]

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Geographical Origin Classification of Chinese Wines Based on Carbon and Oxygen Stable Isotopes and Elemental Profiles.

Ying-Yue Su, Jie Gao, Yong-Fang Zhao, Hao-Song Wen, Jin-Jie Zhang, Ang Zhang, Chun-Long Yuan,

ABSTRACT:Wines from different regions have different qualities due to the impact of geographical location and climate. The sale of inferior wines seriously violates the fair-trade rights of consumers. This article provides an elemental analysis classification method for verifying the geographical origin of wines in the People's Republic of China. Inductively ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, 83(8):1323-1334]

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Antimicrobial Resistance at Two United States Cull Cow Processing Establishments.

John W Schmidt, Amit Vikram, Terrance M Arthur, Keith E Belk, Paul S Morley, Margaret D Weinroth, Tommy L Wheeler,

Culled beef cows (cows from cow-calf operations that have reached the end of productive life span) and culled dairy cows amount to approximately 18% of the cattle harvested in the U.S. annually, but data on antimicrobial resistance (AMR) levels in U.S. cull cattle is extremely limited. To address this data ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, :]

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Blinding Protocols for Acquisition of Potentially Sensitive Food Safety Information.

Brittany Fran Magdovitz, Sanjay Gummalla, Harshavardhan Thippareddi, Maile Hermida, Mark A Harrison,

Difficulties in addressing research problems can revolve around the data collection process from private entities. Potential issues can arise when collecting food samples or food safety data from industry or third-party sources because of concerns about distribution or exposure of potentially sensitive information. Industry is cautious of its involvement in ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, :]

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Occurrence of Virulence Factors and Antibiotic and Heavy Metal Resistance in Vibrio parahaemolyticus Isolated from Pacific Mackerel at Markets in Zhejiang, China.

Jiehong Fang, Hui Cheng, Ting Yu, Han Jiang,

ABSTRACT:Vibrio parahaemolyticus is a widespread bacterium in the marine environment and is one of the leading causes of food-derived bacterial poisoning in humans worldwide. The main objective of this study was to determine the prevalence, virulence factors, and antibiotic and heavy metal resistance profiles of V. parahaemolyticus in Pacific mackerel ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, 83(8):1411-1419]

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Investigating the Suitability of Semicarbazide as an Indicator of Preharvest Nitrofurazone Use in Raw Chicken.

John Johnston, Randolph Duverna, Michael Williams, Rita Kishore, Catalina Yee, John Jarosh,

ABSTRACT:Semicarbazide (SEM) is the U.S. Food and Drug Administration's official marker for nitrofurazone use in food animals. The U.S. Department of Agriculture Food Safety and Inspection Service conducted a study to evaluate the source of SEM that was identified by a U.S. trading partner in a subset of chicken samples ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, 83(8):1368-1373]

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Inhibitory Effects of Combinations of Chemicals on Escherichia coli, Bacillus cereus, and Staphylococcus aureus Biofilms during the Clean-in-Place Process at an Experimental Dairy Plant.

Eun-Seon Lee, Jong-Hui Kim, Mi-Hwa Oh,

ABSTRACT:In dairy plants, clean-in-place (CIP) equipment cannot be disassembled, making it difficult to clean the inner surface of pipes. In this study, the inhibitory effects of chemical agents on biofilms formed by three foodborne pathogens, Bacillus cereus, Escherichia coli, and Staphylococcus aureus, was evaluated in a dairy CIP system. The ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, 83(8):1302-1306]

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Antimicrobial resistance and virulence profiles of mcr-1-positive Escherichia coli isolated from swine farms in Heilongjiang Province of China.

Ping Cheng, Yuqi Yang, Junchuan Zhang, Fulei Li, Xiaoting Li, Haibin Liu, Muhammad Ishfaq, Guofeng Xu, Xiuying Zhang,

The emergence and dissemination of mcr-1 have become a public concern worldwide. And food animal production has been singled out as responsible for amplification and spread of mcr-1 . Herein, a total of 249 porcine Escherichia coli ( E. coli ) were isolated from the 300 fecal samples in Heilongjiang ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, :]

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Prevalence of antibiotic resistant Escherichia coli isolates from local and imported retail chicken carcasses.

Nahla Eltai, Hadi Yassine, Tahra El-Obeid, Sara Al-Hadidi, Asmaa Al Thani, Walid Alali,

The spread of antibiotic resistance has been associated with consumption of food contaminated with pathogenic and non-pathogenic resistant bacteria. The objective of this study was to determine the prevalence of antibiotic resistant Escherichia coli isolates ( E. coli ) from local and imported retail raw chicken meat in Qatar. A ... Read more >>

J. Food Prot. (Journal of food protection)
[2020, :]

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