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Thermal Inactivation of Sodium-Habituated Staphylococcus aureus in Ready-to-Heat Sauces

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dc.contributor.authorPark, Ahreum-
dc.contributor.authorLee, Jinhee-
dc.contributor.authorJeong, Sook-Jin-
dc.contributor.authorHwang, In-Gyun-
dc.contributor.authorLee, Soon-Ho-
dc.contributor.authorCho, Joan-Il-
dc.contributor.authorYoon, Yohan-
dc.date.available2021-03-12T07:40:33Z-
dc.date.created2020-09-03-
dc.date.issued2012-12-
dc.identifier.issn1225-8563-
dc.identifier.urihttps://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/17508-
dc.description.abstractThe objective of this study was to evaluate the effect of sodium habituation on thermal resistance of Staphylococcus aureus in various ready-to-heat (RTH) sauces. The strain mixture of S. aureus strains KACC10768, KACC10778, KACC11596, KACC13236 and NCCP10862 was habituated up to 9% of NaCl. The inocula of NaCl-habituated and non-habituated S. aureus were inoculated in 5 g portions of pork cutlet, meat and Carbonara sauces at 7 Log CFU/g, and the samples were vortexed vigorously. The inoculated samples were then exposed to 60 and 70 degrees C in a water-bath, and survivals of total bacteria and S. aureus were enumerated on tryptic soy agar and mannitol salt agar, respectively, every 30 min for 120 min. At 60 degrees C, the cell counts of total bacteria and the significant difference in survivals between sodium-habituated and non-habituated S. aureus were observed only in the Carbonara sauce; the tailing effect, which is the period of no reduction of bacterial cell counts, was observed in pork cutlet, meat and Carbonara sauces subjected to 60 degrees C. At 70 degrees C, total bacterial populations and sodium-habituated and non-habituated S. aureus cell counts in meat and Carbonara sauce also significantly decreased (p<0.05) after 30 min of heat treatment, followed by the obvious tailing effect. Sodium-habituated S. aureus cell counts in meat and Carbonara sauces were higher (p<0.05) than those of non-habituated S. aureus at 70 degrees C. The results indicate that sodium habituation of S. aureus cells may increase the thermal resistance of the pathogen in RTH sauces; moreover, heating RTH sauces for a short time before serving may not sufficiently decrease the cell counts of S. aureus, particularly for sodium-habituated strain.-
dc.language영어-
dc.language.isoen-
dc.publisherKOREAN SOC FOOD SCIENCE ANIMAL RESOURCES-
dc.titleThermal Inactivation of Sodium-Habituated Staphylococcus aureus in Ready-to-Heat Sauces-
dc.typeArticle-
dc.contributor.affiliatedAuthorYoon, Yohan-
dc.identifier.doi10.5851/kosfa.2012.32.6.713-
dc.identifier.wosid000313470400003-
dc.identifier.bibliographicCitationKOREAN JOURNAL FOR FOOD SCIENCE OF ANIMAL RESOURCES, v.32, no.6, pp.713 - 717-
dc.citation.titleKOREAN JOURNAL FOR FOOD SCIENCE OF ANIMAL RESOURCES-
dc.citation.volume32-
dc.citation.number6-
dc.citation.startPage713-
dc.citation.endPage717-
dc.type.rimsART-
dc.type.docTypeArticle-
dc.identifier.kciidART001721030-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.subject.keywordPlusLISTERIA-MONOCYTOGENES-
dc.subject.keywordPlusACID TOLERANCE-
dc.subject.keywordPlusSTRESS-
dc.subject.keywordPlusENTEROTOXIN-
dc.subject.keywordPlusRESISTANCE-
dc.subject.keywordPlusEXPOSURE-
dc.subject.keywordPlusHURDLES-
dc.subject.keywordPlusSAFETY-
dc.subject.keywordPlusPH-
dc.subject.keywordAuthorStaphylococcus aureus-
dc.subject.keywordAuthorready-to-heat sauces-
dc.subject.keywordAuthorthermal inactivation-
dc.subject.keywordAuthorNaCl-habituation-
dc.identifier.urlhttps://www.kci.go.kr/kciportal/ci/sereArticleSearch/ciSereArtiView.kci?sereArticleSearchBean.artiId=ART001721030-
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