Thermal Resistance of Avirulent Salmonella Enterica Serovar Typhimurium in Albumen, Yolk, and Liquid Whole Egg
The thermal resistance of avirulent Salmonella Typhimurium in yolk, albumen, and liquid whole egg (LWE) was evaluated from 52 to 60 °C. A log–linear and a Weibullian model were used to calculate D- and z-values. Experiments assessed and overseen the come-up time (CUT). Results showed a longer inacti...
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| Veröffentlicht in: | ACS food science & technology 2024-09, Vol.4 (9), p.2047-2057 |
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| creator | Bermudez-Aguirre, Daniela Boyd, Glenn Uknalis, Joseph Niemira, Brendan A. |
| description | The thermal resistance of avirulent Salmonella Typhimurium in yolk, albumen, and liquid whole egg (LWE) was evaluated from 52 to 60 °C. A log–linear and a Weibullian model were used to calculate D- and z-values. Experiments assessed and overseen the come-up time (CUT). Results showed a longer inactivation time for Salmonella in yolk (D 58 °C = 2.32 min) compared to albumen (D 58 °C = 0.36 min); D-values for LWE were D 58 °C= 1.26–1.28 min. The protective effect of the yolk fat in Salmonella was observed under the microscope. The effect of CUT was only significantly different (α = 0.05) at 60 °C. The Weibull model best fitted the survival data (R 2, root square mean error, Akaike Information Criterion). The 5D pasteurization standard for this avirulent Salmonella strain at 60 °C was 3.3 ± 0.3 min (log–linear) and 3.6 ± 0.2 min (Weibull). This Salmonella strain has an average heat resistance; it can be used for process validation without safety risks. |
| doi_str_mv | 10.1021/acsfoodscitech.4c00108 |
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A log–linear and a Weibullian model were used to calculate D- and z-values. Experiments assessed and overseen the come-up time (CUT). Results showed a longer inactivation time for Salmonella in yolk (D 58 °C = 2.32 min) compared to albumen (D 58 °C = 0.36 min); D-values for LWE were D 58 °C= 1.26–1.28 min. The protective effect of the yolk fat in Salmonella was observed under the microscope. The effect of CUT was only significantly different (α = 0.05) at 60 °C. The Weibull model best fitted the survival data (R 2, root square mean error, Akaike Information Criterion). The 5D pasteurization standard for this avirulent Salmonella strain at 60 °C was 3.3 ± 0.3 min (log–linear) and 3.6 ± 0.2 min (Weibull). 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This Salmonella strain has an average heat resistance; it can be used for process validation without safety risks.</description><subject>eggs</subject><subject>heat tolerance</subject><subject>liquids</subject><subject>pasteurization</subject><subject>protective effect</subject><subject>Salmonella Typhimurium</subject><subject>Weibull statistics</subject><issn>2692-1944</issn><issn>2692-1944</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNqFkF1rwjAUhsvYYOL8CyOXu1CXpGmaXoq4DxAG0zF2VZI0sXFpokkr-O9X0YvtalfnwHmfA--TJPcIThHE6JHLqL2vojStkvWUSAgRZFfJANMCT1BByPWv_TYZxbiFEOIMpTArBolb1yo03IJ3FU1suZMKeA1mBxM6q1wLVtw23ilrOVi4VgUjOVip4A88gPVxV5umC6ZrgHFgZkXXKDcGX95-jwF3FViafWcq8Fl7q8Bis7lLbjS3UY0uc5h8PC3W85fJ8u35dT5bTniKaTupcJEKLXKheVWxrNB5wTOmKSsI1lqIHBUUZyIljORYE824oIRpyRREOaU6HSYP57-74Pedim3ZmChPLZzyXSxTlKUMk5TRPkrPURl8jEHpchdMw8OxRLA8OS7_Oi4vjnsQn8H-Xm59F1zf6D_oBy2bhnU</recordid><startdate>20240920</startdate><enddate>20240920</enddate><creator>Bermudez-Aguirre, Daniela</creator><creator>Boyd, Glenn</creator><creator>Uknalis, Joseph</creator><creator>Niemira, Brendan A.</creator><general>American Chemical Society</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7S9</scope><scope>L.6</scope><orcidid>https://orcid.org/0000-0002-0001-6753</orcidid></search><sort><creationdate>20240920</creationdate><title>Thermal Resistance of Avirulent Salmonella Enterica Serovar Typhimurium in Albumen, Yolk, and Liquid Whole Egg</title><author>Bermudez-Aguirre, Daniela ; Boyd, Glenn ; Uknalis, Joseph ; Niemira, Brendan A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a326t-d293bfb7bfadd859f79a58f68942ffbb719625b348472f4f8ab648fc8e01766f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>eggs</topic><topic>heat tolerance</topic><topic>liquids</topic><topic>pasteurization</topic><topic>protective effect</topic><topic>Salmonella Typhimurium</topic><topic>Weibull statistics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bermudez-Aguirre, Daniela</creatorcontrib><creatorcontrib>Boyd, Glenn</creatorcontrib><creatorcontrib>Uknalis, Joseph</creatorcontrib><creatorcontrib>Niemira, Brendan A.</creatorcontrib><collection>CrossRef</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><jtitle>ACS food science & technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bermudez-Aguirre, Daniela</au><au>Boyd, Glenn</au><au>Uknalis, Joseph</au><au>Niemira, Brendan A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Thermal Resistance of Avirulent Salmonella Enterica Serovar Typhimurium in Albumen, Yolk, and Liquid Whole Egg</atitle><jtitle>ACS food science & technology</jtitle><addtitle>ACS Food Sci. Technol</addtitle><date>2024-09-20</date><risdate>2024</risdate><volume>4</volume><issue>9</issue><spage>2047</spage><epage>2057</epage><pages>2047-2057</pages><issn>2692-1944</issn><eissn>2692-1944</eissn><abstract>The thermal resistance of avirulent Salmonella Typhimurium in yolk, albumen, and liquid whole egg (LWE) was evaluated from 52 to 60 °C. A log–linear and a Weibullian model were used to calculate D- and z-values. Experiments assessed and overseen the come-up time (CUT). Results showed a longer inactivation time for Salmonella in yolk (D 58 °C = 2.32 min) compared to albumen (D 58 °C = 0.36 min); D-values for LWE were D 58 °C= 1.26–1.28 min. The protective effect of the yolk fat in Salmonella was observed under the microscope. The effect of CUT was only significantly different (α = 0.05) at 60 °C. The Weibull model best fitted the survival data (R 2, root square mean error, Akaike Information Criterion). The 5D pasteurization standard for this avirulent Salmonella strain at 60 °C was 3.3 ± 0.3 min (log–linear) and 3.6 ± 0.2 min (Weibull). This Salmonella strain has an average heat resistance; it can be used for process validation without safety risks.</abstract><pub>American Chemical Society</pub><doi>10.1021/acsfoodscitech.4c00108</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-0001-6753</orcidid><oa>free_for_read</oa></addata></record> |
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| source | American Chemical Society Journals |
| subjects | eggs heat tolerance liquids pasteurization protective effect Salmonella Typhimurium Weibull statistics |
| title | Thermal Resistance of Avirulent Salmonella Enterica Serovar Typhimurium in Albumen, Yolk, and Liquid Whole Egg |
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