Evaluation of Microbial Contamination in Cold Dishes and Prevalence of Foodborne Pathogens in Jilin Province
This study evaluated the microbial contamination status of cold dishes consumed by residents of Jilin Province and investigated to determine the incidence of four pathogenic bacteria in cold dishes. A total of 300 samples of cold dishes, including meat, vegetable, and mixed products, were collected...
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| Veröffentlicht in: | Journal of food protection 2022-05, Vol.85 (5), p.728-734 |
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| creator | Lan, Jiaqi Yang, Shuo Wang, Y U Guo, Nan Liu, X U Zhu, Ketong Gong, Pingsheng Lv, Shaowu |
| description | This study evaluated the microbial contamination status of cold dishes consumed by residents of Jilin Province and investigated to determine the incidence of four pathogenic bacteria in cold dishes. A total of 300 samples of cold dishes, including meat, vegetable, and mixed products, were collected from three purchasing places: supermarkets, farmers' markets, and mobile vendors. Viable bacteria were isolated using conventional culture methods. After separation, a quick and easy PCR was used to detect Listeria monocytogenes, Staphylococcus aureus, enterotoxigenic Escherichia coli, and Salmonella. The results showed that the total number of microbial colonies in the vegetable samples exceeded the standard rate of 8% and the total number of microbial colonies in the meat and mixed samples did not exceed the standard. The total microbial colony count exceeded the standard in all three procurement sites, with the highest exceedance of 7.4% in the mobile vendor sites. The detection rates of enterotoxigenic E. coli, S. aureus, L. monocytogenes, and Salmonella, among the four pathogenic bacteria detected in all samples, were 4.3, 3.3, 3.0, and 1.0%, respectively. This study can be used to qualitatively assess the microbiological quality associated with cold dishes. It provides data to support the detection of possible food safety problems. |
| doi_str_mv | 10.4315/JFP-21-328 |
| format | Article |
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A total of 300 samples of cold dishes, including meat, vegetable, and mixed products, were collected from three purchasing places: supermarkets, farmers' markets, and mobile vendors. Viable bacteria were isolated using conventional culture methods. After separation, a quick and easy PCR was used to detect Listeria monocytogenes, Staphylococcus aureus, enterotoxigenic Escherichia coli, and Salmonella. The results showed that the total number of microbial colonies in the vegetable samples exceeded the standard rate of 8% and the total number of microbial colonies in the meat and mixed samples did not exceed the standard. The total microbial colony count exceeded the standard in all three procurement sites, with the highest exceedance of 7.4% in the mobile vendor sites. The detection rates of enterotoxigenic E. coli, S. aureus, L. monocytogenes, and Salmonella, among the four pathogenic bacteria detected in all samples, were 4.3, 3.3, 3.0, and 1.0%, respectively. This study can be used to qualitatively assess the microbiological quality associated with cold dishes. It provides data to support the detection of possible food safety problems.</description><identifier>ISSN: 0362-028X</identifier><identifier>EISSN: 1944-9097</identifier><identifier>DOI: 10.4315/JFP-21-328</identifier><identifier>PMID: 34982815</identifier><language>eng</language><publisher>United States: Elsevier Limited</publisher><subject>Bacteria ; Cold ; Colonies ; Colony Count, Microbial ; Contamination ; E coli ; Epidemics ; Escherichia coli ; Evaluation ; Farmers ; Farmers markets ; Food contamination ; Food contamination & poisoning ; Food Contamination - analysis ; Food Microbiology ; Food quality ; Food safety ; Food service ; Foodborne pathogens ; Listeria monocytogenes ; Meat ; Meat products ; Microbial contamination ; Microorganisms ; Mobile businesses ; Pathogens ; Prevalence ; Quality assessment ; Quality standards ; Safety standards ; Salmonella ; Staphylococcus aureus ; Statistical analysis ; Supermarkets ; Vegetables ; Vegetables - microbiology</subject><ispartof>Journal of food protection, 2022-05, Vol.85 (5), p.728-734</ispartof><rights>Copyright ©, International Association for Food Protection.</rights><rights>Copyright Allen Press Inc. May 2022</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c351t-9891836073a7ea412db3dab27378961fd8c6d60252c62b985fa13b2530936b553</citedby><cites>FETCH-LOGICAL-c351t-9891836073a7ea412db3dab27378961fd8c6d60252c62b985fa13b2530936b553</cites><orcidid>0000-0001-8816-0057</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/34982815$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Lan, Jiaqi</creatorcontrib><creatorcontrib>Yang, Shuo</creatorcontrib><creatorcontrib>Wang, Y U</creatorcontrib><creatorcontrib>Guo, Nan</creatorcontrib><creatorcontrib>Liu, X U</creatorcontrib><creatorcontrib>Zhu, Ketong</creatorcontrib><creatorcontrib>Gong, Pingsheng</creatorcontrib><creatorcontrib>Lv, Shaowu</creatorcontrib><title>Evaluation of Microbial Contamination in Cold Dishes and Prevalence of Foodborne Pathogens in Jilin Province</title><title>Journal of food protection</title><addtitle>J Food Prot</addtitle><description>This study evaluated the microbial contamination status of cold dishes consumed by residents of Jilin Province and investigated to determine the incidence of four pathogenic bacteria in cold dishes. A total of 300 samples of cold dishes, including meat, vegetable, and mixed products, were collected from three purchasing places: supermarkets, farmers' markets, and mobile vendors. Viable bacteria were isolated using conventional culture methods. After separation, a quick and easy PCR was used to detect Listeria monocytogenes, Staphylococcus aureus, enterotoxigenic Escherichia coli, and Salmonella. The results showed that the total number of microbial colonies in the vegetable samples exceeded the standard rate of 8% and the total number of microbial colonies in the meat and mixed samples did not exceed the standard. The total microbial colony count exceeded the standard in all three procurement sites, with the highest exceedance of 7.4% in the mobile vendor sites. The detection rates of enterotoxigenic E. coli, S. aureus, L. monocytogenes, and Salmonella, among the four pathogenic bacteria detected in all samples, were 4.3, 3.3, 3.0, and 1.0%, respectively. This study can be used to qualitatively assess the microbiological quality associated with cold dishes. It provides data to support the detection of possible food safety problems.</description><subject>Bacteria</subject><subject>Cold</subject><subject>Colonies</subject><subject>Colony Count, Microbial</subject><subject>Contamination</subject><subject>E coli</subject><subject>Epidemics</subject><subject>Escherichia coli</subject><subject>Evaluation</subject><subject>Farmers</subject><subject>Farmers markets</subject><subject>Food contamination</subject><subject>Food contamination & poisoning</subject><subject>Food Contamination - analysis</subject><subject>Food Microbiology</subject><subject>Food quality</subject><subject>Food safety</subject><subject>Food service</subject><subject>Foodborne pathogens</subject><subject>Listeria monocytogenes</subject><subject>Meat</subject><subject>Meat products</subject><subject>Microbial contamination</subject><subject>Microorganisms</subject><subject>Mobile businesses</subject><subject>Pathogens</subject><subject>Prevalence</subject><subject>Quality assessment</subject><subject>Quality standards</subject><subject>Safety standards</subject><subject>Salmonella</subject><subject>Staphylococcus aureus</subject><subject>Statistical analysis</subject><subject>Supermarkets</subject><subject>Vegetables</subject><subject>Vegetables - 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of Microbial Contamination in Cold Dishes and Prevalence of Foodborne Pathogens in Jilin Province</title><author>Lan, Jiaqi ; Yang, Shuo ; Wang, Y U ; Guo, Nan ; Liu, X U ; Zhu, Ketong ; Gong, Pingsheng ; Lv, Shaowu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c351t-9891836073a7ea412db3dab27378961fd8c6d60252c62b985fa13b2530936b553</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Bacteria</topic><topic>Cold</topic><topic>Colonies</topic><topic>Colony Count, Microbial</topic><topic>Contamination</topic><topic>E coli</topic><topic>Epidemics</topic><topic>Escherichia coli</topic><topic>Evaluation</topic><topic>Farmers</topic><topic>Farmers markets</topic><topic>Food contamination</topic><topic>Food contamination & poisoning</topic><topic>Food Contamination - analysis</topic><topic>Food Microbiology</topic><topic>Food quality</topic><topic>Food safety</topic><topic>Food 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Basic</collection><jtitle>Journal of food protection</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lan, Jiaqi</au><au>Yang, Shuo</au><au>Wang, Y U</au><au>Guo, Nan</au><au>Liu, X U</au><au>Zhu, Ketong</au><au>Gong, Pingsheng</au><au>Lv, Shaowu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evaluation of Microbial Contamination in Cold Dishes and Prevalence of Foodborne Pathogens in Jilin Province</atitle><jtitle>Journal of food protection</jtitle><addtitle>J Food Prot</addtitle><date>2022-05-01</date><risdate>2022</risdate><volume>85</volume><issue>5</issue><spage>728</spage><epage>734</epage><pages>728-734</pages><issn>0362-028X</issn><eissn>1944-9097</eissn><abstract>This study evaluated the microbial contamination status of cold dishes consumed by residents of Jilin Province and investigated to determine the incidence of four pathogenic bacteria in cold dishes. A total of 300 samples of cold dishes, including meat, vegetable, and mixed products, were collected from three purchasing places: supermarkets, farmers' markets, and mobile vendors. Viable bacteria were isolated using conventional culture methods. After separation, a quick and easy PCR was used to detect Listeria monocytogenes, Staphylococcus aureus, enterotoxigenic Escherichia coli, and Salmonella. The results showed that the total number of microbial colonies in the vegetable samples exceeded the standard rate of 8% and the total number of microbial colonies in the meat and mixed samples did not exceed the standard. The total microbial colony count exceeded the standard in all three procurement sites, with the highest exceedance of 7.4% in the mobile vendor sites. The detection rates of enterotoxigenic E. coli, S. aureus, L. monocytogenes, and Salmonella, among the four pathogenic bacteria detected in all samples, were 4.3, 3.3, 3.0, and 1.0%, respectively. This study can be used to qualitatively assess the microbiological quality associated with cold dishes. It provides data to support the detection of possible food safety problems.</abstract><cop>United States</cop><pub>Elsevier Limited</pub><pmid>34982815</pmid><doi>10.4315/JFP-21-328</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0001-8816-0057</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Bacteria Cold Colonies Colony Count, Microbial Contamination E coli Epidemics Escherichia coli Evaluation Farmers Farmers markets Food contamination Food contamination & poisoning Food Contamination - analysis Food Microbiology Food quality Food safety Food service Foodborne pathogens Listeria monocytogenes Meat Meat products Microbial contamination Microorganisms Mobile businesses Pathogens Prevalence Quality assessment Quality standards Safety standards Salmonella Staphylococcus aureus Statistical analysis Supermarkets Vegetables Vegetables - microbiology |
| title | Evaluation of Microbial Contamination in Cold Dishes and Prevalence of Foodborne Pathogens in Jilin Province |
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