Thermal resistance of Francisella tularensis in infant formula and fruit juices.
Identifieur interne : 000973 ( PubMed/Checkpoint ); précédent : 000972; suivant : 000974Thermal resistance of Francisella tularensis in infant formula and fruit juices.
Auteurs : J B Day [États-Unis] ; S. Trujillo ; Y Y D. Hao ; R C WhitingSource :
- Journal of food protection [ 0362-028X ] ; 2008.
English descriptors
- KwdEn :
- Beverages (microbiology), Citrus sinensis (microbiology), Colony Count, Microbial, Consumer Product Safety, Food Contamination (analysis), Food Handling (methods), Francisella tularensis (growth & development), Fruit, Hot Temperature, Humans, Infant, Infant Formula, Infant, Newborn, Malus (microbiology), Mangifera (microbiology), Time Factors.
- MESH :
- analysis : Food Contamination.
- growth & development : Francisella tularensis.
- methods : Food Handling.
- microbiology : Beverages, Citrus sinensis, Malus, Mangifera.
- Colony Count, Microbial, Consumer Product Safety, Fruit, Hot Temperature, Humans, Infant, Infant Formula, Infant, Newborn, Time Factors.
Abstract
Francisella tularensis is a gram-negative bacterium that can cause gastrointestinal or oropharyngeal tularemia from ingestion of contaminated food or water. Despite the potential for accidental or intentional contamination of foods with F. tularensis, little information exists on the thermal stability of this organism in food matrices. In the present study, the thermal resistance of the live vaccine strain of F. tularensis in four food products (liquid infant formula, apple juice, mango juice, and orange juice) was investigated. D-values ranged from 12 s (57.5 degrees C) to 580 s (50 degrees C) in infant formula with a z-value of 4.37 degrees C. D-values in apple juice ranged from 8 s (57.5 degrees C) to 59 s (50 degrees C) with a z-value of 9.17 degrees C. The live vaccine strain did not survive at temperatures above 55 degrees C in mango juice and orange juice (>6-log inactivation). D-values at 55 to 47.5 degrees C were 15 to 59 s in mango juice and 16 to 105 s in orange juice with z-values of 9.28 and 12.30 degrees C, respectively. These results indicate that current pasteurization parameters used for destroying common foodborne bacterial pathogens are adequate for eliminating F. tularensis in the four foods tested. This study is the first to determine thermal inactivation of F. tularensis in specific foods and will permit comparisons with the thermal inactivation data of other more traditional foodborne pathogens.
PubMed: 19044262
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Trujillo</name></author><author><name sortKey="Hao, Y Y D" sort="Hao, Y Y D" uniqKey="Hao Y" first="Y Y D" last="Hao">Y Y D. Hao</name></author><author><name sortKey="Whiting, R C" sort="Whiting, R C" uniqKey="Whiting R" first="R C" last="Whiting">R C Whiting</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2008">2008</date><idno type="RBID">pubmed:19044262</idno><idno type="pmid">19044262</idno><idno type="wicri:Area/PubMed/Corpus">000A13</idno><idno type="wicri:Area/PubMed/Curation">000A13</idno><idno type="wicri:Area/PubMed/Checkpoint">000A13</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Thermal resistance of Francisella tularensis in infant formula and fruit juices.</title><author><name sortKey="Day, J B" sort="Day, J B" uniqKey="Day J" first="J B" last="Day">J B Day</name><affiliation wicri:level="1"><nlm:affiliation>Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, HFS-712, 5100 Paint Branch Parkway, College Park, Maryland 20740, USA. james.day@fda.hhs.gov</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, HFS-712, 5100 Paint Branch Parkway, College Park, Maryland 20740</wicri:regionArea><wicri:noRegion>Maryland 20740</wicri:noRegion></affiliation></author><author><name sortKey="Trujillo, S" sort="Trujillo, S" uniqKey="Trujillo S" first="S" last="Trujillo">S. Trujillo</name></author><author><name sortKey="Hao, Y Y D" sort="Hao, Y Y D" uniqKey="Hao Y" first="Y Y D" last="Hao">Y Y D. Hao</name></author><author><name sortKey="Whiting, R C" sort="Whiting, R C" uniqKey="Whiting R" first="R C" last="Whiting">R C Whiting</name></author></analytic><series><title level="j">Journal of food protection</title><idno type="ISSN">0362-028X</idno><imprint><date when="2008" type="published">2008</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Beverages (microbiology)</term><term>Citrus sinensis (microbiology)</term><term>Colony Count, Microbial</term><term>Consumer Product Safety</term><term>Food Contamination (analysis)</term><term>Food Handling (methods)</term><term>Francisella tularensis (growth & development)</term><term>Fruit</term><term>Hot Temperature</term><term>Humans</term><term>Infant</term><term>Infant Formula</term><term>Infant, Newborn</term><term>Malus (microbiology)</term><term>Mangifera (microbiology)</term><term>Time Factors</term></keywords><keywords scheme="MESH" qualifier="analysis" xml:lang="en"><term>Food Contamination</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Francisella tularensis</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Food Handling</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Beverages</term><term>Citrus sinensis</term><term>Malus</term><term>Mangifera</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Colony Count, Microbial</term><term>Consumer Product Safety</term><term>Fruit</term><term>Hot Temperature</term><term>Humans</term><term>Infant</term><term>Infant Formula</term><term>Infant, Newborn</term><term>Time Factors</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Francisella tularensis is a gram-negative bacterium that can cause gastrointestinal or oropharyngeal tularemia from ingestion of contaminated food or water. Despite the potential for accidental or intentional contamination of foods with F. tularensis, little information exists on the thermal stability of this organism in food matrices. In the present study, the thermal resistance of the live vaccine strain of F. tularensis in four food products (liquid infant formula, apple juice, mango juice, and orange juice) was investigated. D-values ranged from 12 s (57.5 degrees C) to 580 s (50 degrees C) in infant formula with a z-value of 4.37 degrees C. D-values in apple juice ranged from 8 s (57.5 degrees C) to 59 s (50 degrees C) with a z-value of 9.17 degrees C. The live vaccine strain did not survive at temperatures above 55 degrees C in mango juice and orange juice (>6-log inactivation). D-values at 55 to 47.5 degrees C were 15 to 59 s in mango juice and 16 to 105 s in orange juice with z-values of 9.28 and 12.30 degrees C, respectively. These results indicate that current pasteurization parameters used for destroying common foodborne bacterial pathogens are adequate for eliminating F. tularensis in the four foods tested. This study is the first to determine thermal inactivation of F. tularensis in specific foods and will permit comparisons with the thermal inactivation data of other more traditional foodborne pathogens.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">19044262</PMID><DateCreated><Year>2008</Year><Month>12</Month><Day>2</Day></DateCreated><DateCompleted><Year>2009</Year><Month>01</Month><Day>02</Day></DateCompleted><DateRevised><Year>2008</Year><Month>12</Month><Day>2</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0362-028X</ISSN><JournalIssue CitedMedium="Print"><Volume>71</Volume><Issue>11</Issue><PubDate><Year>2008</Year><Month>Nov</Month></PubDate></JournalIssue><Title>Journal of food protection</Title><ISOAbbreviation>J. Food Prot.</ISOAbbreviation></Journal><ArticleTitle>Thermal resistance of Francisella tularensis in infant formula and fruit juices.</ArticleTitle><Pagination><MedlinePgn>2208-12</MedlinePgn></Pagination><Abstract><AbstractText>Francisella tularensis is a gram-negative bacterium that can cause gastrointestinal or oropharyngeal tularemia from ingestion of contaminated food or water. Despite the potential for accidental or intentional contamination of foods with F. tularensis, little information exists on the thermal stability of this organism in food matrices. In the present study, the thermal resistance of the live vaccine strain of F. tularensis in four food products (liquid infant formula, apple juice, mango juice, and orange juice) was investigated. D-values ranged from 12 s (57.5 degrees C) to 580 s (50 degrees C) in infant formula with a z-value of 4.37 degrees C. D-values in apple juice ranged from 8 s (57.5 degrees C) to 59 s (50 degrees C) with a z-value of 9.17 degrees C. The live vaccine strain did not survive at temperatures above 55 degrees C in mango juice and orange juice (>6-log inactivation). D-values at 55 to 47.5 degrees C were 15 to 59 s in mango juice and 16 to 105 s in orange juice with z-values of 9.28 and 12.30 degrees C, respectively. These results indicate that current pasteurization parameters used for destroying common foodborne bacterial pathogens are adequate for eliminating F. tularensis in the four foods tested. This study is the first to determine thermal inactivation of F. tularensis in specific foods and will permit comparisons with the thermal inactivation data of other more traditional foodborne pathogens.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Day</LastName><ForeName>J B</ForeName><Initials>JB</Initials><AffiliationInfo><Affiliation>Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, HFS-712, 5100 Paint Branch Parkway, College Park, Maryland 20740, USA. james.day@fda.hhs.gov</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Trujillo</LastName><ForeName>S</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Hao</LastName><ForeName>Y Y D</ForeName><Initials>YY</Initials></Author><Author ValidYN="Y"><LastName>Whiting</LastName><ForeName>R C</ForeName><Initials>RC</Initials></Author></AuthorList><Language>ENG</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>J Food Prot</MedlineTA><NlmUniqueID>7703944</NlmUniqueID><ISSNLinking>0362-028X</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D001628" MajorTopicYN="N">Beverages</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032084" MajorTopicYN="N">Citrus sinensis</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D015169" MajorTopicYN="N">Colony Count, Microbial</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003257" MajorTopicYN="N">Consumer Product Safety</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005506" MajorTopicYN="N">Food Contamination</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="Y">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005511" MajorTopicYN="N">Food Handling</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="Y">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005604" MajorTopicYN="N">Francisella tularensis</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005638" MajorTopicYN="N">Fruit</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006358" MajorTopicYN="Y">Hot Temperature</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007223" MajorTopicYN="N">Infant</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D041943" MajorTopicYN="Y">Infant Formula</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007231" MajorTopicYN="N">Infant, Newborn</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D027845" MajorTopicYN="N">Malus</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D031022" MajorTopicYN="N">Mangifera</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013997" MajorTopicYN="N">Time Factors</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2008</Year><Month>12</Month><Day>3</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2009</Year><Month>1</Month><Day>3</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2008</Year><Month>12</Month><Day>3</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">19044262</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country></list><tree><noCountry><name sortKey="Hao, Y Y D" sort="Hao, Y Y D" uniqKey="Hao Y" first="Y Y D" last="Hao">Y Y D. Hao</name><name sortKey="Trujillo, S" sort="Trujillo, S" uniqKey="Trujillo S" first="S" last="Trujillo">S. Trujillo</name><name sortKey="Whiting, R C" sort="Whiting, R C" uniqKey="Whiting R" first="R C" last="Whiting">R C Whiting</name></noCountry><country name="États-Unis"><noRegion><name sortKey="Day, J B" sort="Day, J B" uniqKey="Day J" first="J B" last="Day">J B Day</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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