Effect of UVC‐LED and ultrasound alone and combined on heat‐resistant Escherichia coli isolated from pasteurised milk
We aimed at characterising the nonthermal technologies resistance profile of two Escherichia coli strains isolated from pasteurised milk and described as moderate‐to‐high heat resistance (MHR) (60°C/6 min) harbouring or not a transmissible locus of stress tolerance (tLST). The characterisation was c...
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| Veröffentlicht in: | International journal of dairy technology 2023-02, Vol.76 (1), p.74-80 |
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| creator | Machado, Maxsueli Aparecida Moura Castro, Vinicius Silva Monteiro, Maria Lúcia Guerra Bernardo, Yago Alves de Aguiar Figueiredo, Eduardo Eustáquio de Souza Conte‐Junior, Carlos Adam |
| description | We aimed at characterising the nonthermal technologies resistance profile of two Escherichia coli strains isolated from pasteurised milk and described as moderate‐to‐high heat resistance (MHR) (60°C/6 min) harbouring or not a transmissible locus of stress tolerance (tLST). The characterisation was carried out applying optimised conditions of ultraviolet‐C light‐emitting diodes (UVC‐LED) (4950 mJ/cm2), ultrasound (US) (299 W) and their combination (UVC‐LED + US). Both strains were more sensitive to UVC‐LED (4.5–1.5 log cfu/mL) than to US ( |
| doi_str_mv | 10.1111/1471-0307.12925 |
| format | Article |
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UVC‐Led and Ultrasound (US) techniques are two non‐thermal technology methods that can act in foodborne pathogen inactivation. The use of non‐thermal methods can be a strategy to combat E. coli with heat resistance. In the present study, UVC‐Led alone was more effective to combat heat‐resistant E. coli than Ultrasound or a combination of techniques (UVC‐Led + US).</description><identifier>ISSN: 1364-727X</identifier><identifier>EISSN: 1471-0307</identifier><identifier>DOI: 10.1111/1471-0307.12925</identifier><language>eng</language><publisher>Oxford: Blackwell Publishing Ltd</publisher><subject>Central composite rotatable design ; Dairy products ; E coli ; Escherichia coli ; Heat resistance ; Heat treatment ; Light emitting diodes ; Sonication ; Synergism ; Thermal resistance ; Transmissible locus of stress tolerance ; Ultrasound ; Ultraviolet‐C light‐emitting diodes</subject><ispartof>International journal of dairy technology, 2023-02, Vol.76 (1), p.74-80</ispartof><rights>2022 Society of Dairy Technology.</rights><rights>Copyright © 2023 Society of Dairy Technology</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3155-68901400840b116bb2ef020166d7f54b807bc0d1fb87df10598cd29ad9364ba13</citedby><cites>FETCH-LOGICAL-c3155-68901400840b116bb2ef020166d7f54b807bc0d1fb87df10598cd29ad9364ba13</cites><orcidid>0000-0002-0189-9017 ; 0000-0002-2608-4324 ; 0000-0001-8778-3236 ; 0000-0001-6133-5080 ; 0000-0001-6928-1347 ; 0000-0002-4746-0237</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2F1471-0307.12925$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2F1471-0307.12925$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids></links><search><creatorcontrib>Machado, Maxsueli Aparecida Moura</creatorcontrib><creatorcontrib>Castro, Vinicius Silva</creatorcontrib><creatorcontrib>Monteiro, Maria Lúcia Guerra</creatorcontrib><creatorcontrib>Bernardo, Yago Alves de Aguiar</creatorcontrib><creatorcontrib>Figueiredo, Eduardo Eustáquio de Souza</creatorcontrib><creatorcontrib>Conte‐Junior, Carlos Adam</creatorcontrib><title>Effect of UVC‐LED and ultrasound alone and combined on heat‐resistant Escherichia coli isolated from pasteurised milk</title><title>International journal of dairy technology</title><description>We aimed at characterising the nonthermal technologies resistance profile of two Escherichia coli strains isolated from pasteurised milk and described as moderate‐to‐high heat resistance (MHR) (60°C/6 min) harbouring or not a transmissible locus of stress tolerance (tLST). The characterisation was carried out applying optimised conditions of ultraviolet‐C light‐emitting diodes (UVC‐LED) (4950 mJ/cm2), ultrasound (US) (299 W) and their combination (UVC‐LED + US). Both strains were more sensitive to UVC‐LED (4.5–1.5 log cfu/mL) than to US (<1 log cfu/mL) or UVC‐LED + US (4.5–1.5 log cfu/mL), which did not exhibit synergism. Thus, UVC‐LED is a promising technology to eliminate E. coli harbouring tLST.
UVC‐Led and Ultrasound (US) techniques are two non‐thermal technology methods that can act in foodborne pathogen inactivation. The use of non‐thermal methods can be a strategy to combat E. coli with heat resistance. In the present study, UVC‐Led alone was more effective to combat heat‐resistant E. coli than Ultrasound or a combination of techniques (UVC‐Led + US).</description><subject>Central composite rotatable design</subject><subject>Dairy products</subject><subject>E coli</subject><subject>Escherichia coli</subject><subject>Heat resistance</subject><subject>Heat treatment</subject><subject>Light emitting diodes</subject><subject>Sonication</subject><subject>Synergism</subject><subject>Thermal resistance</subject><subject>Transmissible locus of stress tolerance</subject><subject>Ultrasound</subject><subject>Ultraviolet‐C light‐emitting diodes</subject><issn>1364-727X</issn><issn>1471-0307</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNqFkL9OwzAQxi0EEqUws1piTmvnn5MRtQEqVWJpEZtlO7bqksTFdoS68Qg8I0-C0yBWbrnTp993p_sAuMVohkPNcUpwhBJEZjgu4-wMTP6U8zAneRqRmLxegivn9ghhkpTZBBwrpaTw0Ci4fVl8f36tqyVkXQ37xlvmTB9G1phOnkRhWq47WUPTwZ1kPvBWOu086zysnNhJq8VOswA2GmpnGuYDraxp4YE5L3urXRBa3bxdgwvFGidvfvsUbB-qzeIpWj8_rhb360gkOMuivCgRThEqUsQxzjmPpUIxwnleE5WlvECEC1RjxQtSK4yyshB1XLK6DB9zhpMpuBv3Hqx576XzdG9624WTNCY5yUtcoIGaj5SwxjkrFT1Y3TJ7pBjRIV86pEmHNOkp3-DIRseHbuTxP5yulpvR9wPOcH5w</recordid><startdate>202302</startdate><enddate>202302</enddate><creator>Machado, Maxsueli Aparecida Moura</creator><creator>Castro, Vinicius Silva</creator><creator>Monteiro, Maria Lúcia Guerra</creator><creator>Bernardo, Yago Alves de Aguiar</creator><creator>Figueiredo, Eduardo Eustáquio de Souza</creator><creator>Conte‐Junior, Carlos Adam</creator><general>Blackwell Publishing Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>P64</scope><orcidid>https://orcid.org/0000-0002-0189-9017</orcidid><orcidid>https://orcid.org/0000-0002-2608-4324</orcidid><orcidid>https://orcid.org/0000-0001-8778-3236</orcidid><orcidid>https://orcid.org/0000-0001-6133-5080</orcidid><orcidid>https://orcid.org/0000-0001-6928-1347</orcidid><orcidid>https://orcid.org/0000-0002-4746-0237</orcidid></search><sort><creationdate>202302</creationdate><title>Effect of UVC‐LED and ultrasound alone and combined on heat‐resistant Escherichia coli isolated from pasteurised milk</title><author>Machado, Maxsueli Aparecida Moura ; Castro, Vinicius Silva ; Monteiro, Maria Lúcia Guerra ; Bernardo, Yago Alves de Aguiar ; Figueiredo, Eduardo Eustáquio de Souza ; Conte‐Junior, Carlos Adam</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3155-68901400840b116bb2ef020166d7f54b807bc0d1fb87df10598cd29ad9364ba13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Central composite rotatable design</topic><topic>Dairy products</topic><topic>E coli</topic><topic>Escherichia coli</topic><topic>Heat resistance</topic><topic>Heat treatment</topic><topic>Light emitting diodes</topic><topic>Sonication</topic><topic>Synergism</topic><topic>Thermal resistance</topic><topic>Transmissible locus of stress tolerance</topic><topic>Ultrasound</topic><topic>Ultraviolet‐C light‐emitting diodes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Machado, Maxsueli Aparecida Moura</creatorcontrib><creatorcontrib>Castro, Vinicius Silva</creatorcontrib><creatorcontrib>Monteiro, Maria Lúcia Guerra</creatorcontrib><creatorcontrib>Bernardo, Yago Alves de Aguiar</creatorcontrib><creatorcontrib>Figueiredo, Eduardo Eustáquio de Souza</creatorcontrib><creatorcontrib>Conte‐Junior, Carlos Adam</creatorcontrib><collection>CrossRef</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>International journal of dairy technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Machado, Maxsueli Aparecida Moura</au><au>Castro, Vinicius Silva</au><au>Monteiro, Maria Lúcia Guerra</au><au>Bernardo, Yago Alves de Aguiar</au><au>Figueiredo, Eduardo Eustáquio de Souza</au><au>Conte‐Junior, Carlos Adam</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of UVC‐LED and ultrasound alone and combined on heat‐resistant Escherichia coli isolated from pasteurised milk</atitle><jtitle>International journal of dairy technology</jtitle><date>2023-02</date><risdate>2023</risdate><volume>76</volume><issue>1</issue><spage>74</spage><epage>80</epage><pages>74-80</pages><issn>1364-727X</issn><eissn>1471-0307</eissn><abstract>We aimed at characterising the nonthermal technologies resistance profile of two Escherichia coli strains isolated from pasteurised milk and described as moderate‐to‐high heat resistance (MHR) (60°C/6 min) harbouring or not a transmissible locus of stress tolerance (tLST). The characterisation was carried out applying optimised conditions of ultraviolet‐C light‐emitting diodes (UVC‐LED) (4950 mJ/cm2), ultrasound (US) (299 W) and their combination (UVC‐LED + US). Both strains were more sensitive to UVC‐LED (4.5–1.5 log cfu/mL) than to US (<1 log cfu/mL) or UVC‐LED + US (4.5–1.5 log cfu/mL), which did not exhibit synergism. Thus, UVC‐LED is a promising technology to eliminate E. coli harbouring tLST.
UVC‐Led and Ultrasound (US) techniques are two non‐thermal technology methods that can act in foodborne pathogen inactivation. The use of non‐thermal methods can be a strategy to combat E. coli with heat resistance. In the present study, UVC‐Led alone was more effective to combat heat‐resistant E. coli than Ultrasound or a combination of techniques (UVC‐Led + US).</abstract><cop>Oxford</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1111/1471-0307.12925</doi><tpages>80</tpages><orcidid>https://orcid.org/0000-0002-0189-9017</orcidid><orcidid>https://orcid.org/0000-0002-2608-4324</orcidid><orcidid>https://orcid.org/0000-0001-8778-3236</orcidid><orcidid>https://orcid.org/0000-0001-6133-5080</orcidid><orcidid>https://orcid.org/0000-0001-6928-1347</orcidid><orcidid>https://orcid.org/0000-0002-4746-0237</orcidid></addata></record> |
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| subjects | Central composite rotatable design Dairy products E coli Escherichia coli Heat resistance Heat treatment Light emitting diodes Sonication Synergism Thermal resistance Transmissible locus of stress tolerance Ultrasound Ultraviolet‐C light‐emitting diodes |
| title | Effect of UVC‐LED and ultrasound alone and combined on heat‐resistant Escherichia coli isolated from pasteurised milk |
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