Immunochemical Screening of Pesticides (Simazine and Cypermethrin) in Orange Oil
Identifieur interne : 001D61 ( Main/Exploration ); précédent : 001D60; suivant : 001D62Immunochemical Screening of Pesticides (Simazine and Cypermethrin) in Orange Oil
Auteurs : Mikaela Nichkova [États-Unis] ; Xun Fu [États-Unis] ; Zheng Yang [États-Unis] ; Ping Zhong [États-Unis] ; James R. Sanborn [États-Unis] ; Dan Chang [États-Unis] ; Shirley J. Gee [États-Unis] ; Bruce D. Hammock [États-Unis]Source :
- Journal of agricultural and food chemistry [ 0021-8561 ] ; 2009.
Abstract
Pesticide residue analysis in citrus oils is very important for their quality and marketing. This study assessed the reliability and sensitivity of enzyme-linked immunosorbent assays (ELISA) for simazine and cypermethrin screening in orange oil. Simazine was analyzed after extraction of the oil with methanolic phosphate buffer with a limit of quantitation (LOQ) of 40 µg/L for 1-fold and ~100 µg/L for 10-fold oils. Due to matrix effects the immunoanalysis of cypermethrin required hexane–acetonitrile partitioning followed by silica solid phase extraction. The method detected levels higher than 0.5 ppm (mg/L). This LOQ is lower than the U.S. EPA tolerance level (0.9 ppm) for cypermethrin in citrus oils. A good correlation (
Url:
DOI: 10.1021/jf900652a
PubMed: 19526986
PubMed Central: 3033343
Affiliations:
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S. Highway 92 East, Lakeland, Florida 33801</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Floride</region></placeName><wicri:cityArea>Givaudan Flavors Corp., 4705 U. S. Highway 92 East, Lakeland</wicri:cityArea></affiliation></author><author><name sortKey="Zhong, Ping" sort="Zhong, Ping" uniqKey="Zhong P" first="Ping" last="Zhong">Ping Zhong</name><affiliation wicri:level="2"><nlm:aff id="A2">Givaudan Flavors Corp., 1199 Edison Drive, Cincinnati, Ohio 45216</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Ohio</region></placeName><wicri:cityArea>Givaudan Flavors Corp., 1199 Edison Drive, Cincinnati</wicri:cityArea></affiliation></author><author><name sortKey="Sanborn, James R" sort="Sanborn, James R" uniqKey="Sanborn J" first="James R." last="Sanborn">James R. 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Hammock</name><affiliation wicri:level="2"><nlm:aff id="A1">Department of Entomology, University of California, One Shields Avenue, Davis, California 95616</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Californie</region></placeName><wicri:cityArea>Department of Entomology, University of California, One Shields Avenue, Davis</wicri:cityArea></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">19526986</idno><idno type="pmc">3033343</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3033343</idno><idno type="RBID">PMC:3033343</idno><idno type="doi">10.1021/jf900652a</idno><date when="2009">2009</date><idno type="wicri:Area/Pmc/Corpus">000A60</idno><idno type="wicri:Area/Pmc/Curation">000A59</idno><idno type="wicri:Area/Pmc/Checkpoint">001015</idno><idno type="wicri:Area/Ncbi/Merge">000A15</idno><idno type="wicri:Area/Ncbi/Curation">000A15</idno><idno type="wicri:Area/Ncbi/Checkpoint">000A15</idno><idno type="wicri:doubleKey">0021-8561:2009:Nichkova M:immunochemical:screening:of</idno><idno type="wicri:Area/Main/Merge">001E10</idno><idno type="wicri:Area/Main/Curation">001D61</idno><idno type="wicri:Area/Main/Exploration">001D61</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Immunochemical Screening of Pesticides (Simazine and Cypermethrin) in Orange Oil</title><author><name sortKey="Nichkova, Mikaela" sort="Nichkova, Mikaela" uniqKey="Nichkova M" first="Mikaela" last="Nichkova">Mikaela Nichkova</name><affiliation wicri:level="2"><nlm:aff id="A1">Department of Entomology, University of California, One Shields Avenue, Davis, California 95616</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Californie</region></placeName><wicri:cityArea>Department of Entomology, University of California, One Shields Avenue, Davis</wicri:cityArea></affiliation></author><author><name sortKey="Fu, Xun" sort="Fu, Xun" uniqKey="Fu X" first="Xun" last="Fu">Xun Fu</name><affiliation wicri:level="2"><nlm:aff id="A2">Givaudan Flavors Corp., 1199 Edison Drive, Cincinnati, Ohio 45216</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Ohio</region></placeName><wicri:cityArea>Givaudan Flavors Corp., 1199 Edison Drive, Cincinnati</wicri:cityArea></affiliation></author><author><name sortKey="Yang, Zheng" sort="Yang, Zheng" uniqKey="Yang Z" first="Zheng" last="Yang">Zheng Yang</name><affiliation wicri:level="2"><nlm:aff id="A3">Givaudan Flavors Corp., 4705 U. S. Highway 92 East, Lakeland, Florida 33801</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Floride</region></placeName><wicri:cityArea>Givaudan Flavors Corp., 4705 U. S. Highway 92 East, Lakeland</wicri:cityArea></affiliation></author><author><name sortKey="Zhong, Ping" sort="Zhong, Ping" uniqKey="Zhong P" first="Ping" last="Zhong">Ping Zhong</name><affiliation wicri:level="2"><nlm:aff id="A2">Givaudan Flavors Corp., 1199 Edison Drive, Cincinnati, Ohio 45216</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Ohio</region></placeName><wicri:cityArea>Givaudan Flavors Corp., 1199 Edison Drive, Cincinnati</wicri:cityArea></affiliation></author><author><name sortKey="Sanborn, James R" sort="Sanborn, James R" uniqKey="Sanborn J" first="James R." last="Sanborn">James R. Sanborn</name><affiliation wicri:level="2"><nlm:aff id="A1">Department of Entomology, University of California, One Shields Avenue, Davis, California 95616</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Californie</region></placeName><wicri:cityArea>Department of Entomology, University of California, One Shields Avenue, Davis</wicri:cityArea></affiliation></author><author><name sortKey="Chang, Dan" sort="Chang, Dan" uniqKey="Chang D" first="Dan" last="Chang">Dan Chang</name><affiliation wicri:level="2"><nlm:aff id="A4">Synthia-LLC, P.O. Box 1238, Gualala, California 95445</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Californie</region></placeName><wicri:cityArea>Synthia-LLC, P.O. Box 1238, Gualala</wicri:cityArea></affiliation></author><author><name sortKey="Gee, Shirley J" sort="Gee, Shirley J" uniqKey="Gee S" first="Shirley J." last="Gee">Shirley J. Gee</name><affiliation wicri:level="2"><nlm:aff id="A4">Synthia-LLC, P.O. Box 1238, Gualala, California 95445</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Californie</region></placeName><wicri:cityArea>Synthia-LLC, P.O. Box 1238, Gualala</wicri:cityArea></affiliation></author><author><name sortKey="Hammock, Bruce D" sort="Hammock, Bruce D" uniqKey="Hammock B" first="Bruce D." last="Hammock">Bruce D. Hammock</name><affiliation wicri:level="2"><nlm:aff id="A1">Department of Entomology, University of California, One Shields Avenue, Davis, California 95616</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Californie</region></placeName><wicri:cityArea>Department of Entomology, University of California, One Shields Avenue, Davis</wicri:cityArea></affiliation></author></analytic><series><title level="j">Journal of agricultural and food chemistry</title><idno type="ISSN">0021-8561</idno><idno type="eISSN">1520-5118</idno><imprint><date when="2009">2009</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p id="P2">Pesticide residue analysis in citrus oils is very important for their quality and marketing. This study assessed the reliability and sensitivity of enzyme-linked immunosorbent assays (ELISA) for simazine and cypermethrin screening in orange oil. Simazine was analyzed after extraction of the oil with methanolic phosphate buffer with a limit of quantitation (LOQ) of 40 µg/L for 1-fold and ~100 µg/L for 10-fold oils. Due to matrix effects the immunoanalysis of cypermethrin required hexane–acetonitrile partitioning followed by silica solid phase extraction. The method detected levels higher than 0.5 ppm (mg/L). This LOQ is lower than the U.S. EPA tolerance level (0.9 ppm) for cypermethrin in citrus oils. A good correlation (<italic>r</italic><sup>2</sup> 0.99) between ELISA and LC-MS/MS was observed for the analysis of both analytes in 1-fold orange oil. Immunochemical screening can be used to reduce instrumental analysis costs by its use in preliminary orange oil screening.</p></div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Californie</li><li>Floride</li><li>Ohio</li></region></list><tree><country name="États-Unis"><region name="Californie"><name sortKey="Nichkova, Mikaela" sort="Nichkova, Mikaela" uniqKey="Nichkova M" first="Mikaela" last="Nichkova">Mikaela Nichkova</name></region><name sortKey="Chang, Dan" sort="Chang, Dan" uniqKey="Chang D" first="Dan" last="Chang">Dan Chang</name><name sortKey="Fu, Xun" sort="Fu, Xun" uniqKey="Fu X" first="Xun" last="Fu">Xun Fu</name><name sortKey="Gee, Shirley J" sort="Gee, Shirley J" uniqKey="Gee S" first="Shirley J." last="Gee">Shirley J. Gee</name><name sortKey="Hammock, Bruce D" sort="Hammock, Bruce D" uniqKey="Hammock B" first="Bruce D." last="Hammock">Bruce D. Hammock</name><name sortKey="Sanborn, James R" sort="Sanborn, James R" uniqKey="Sanborn J" first="James R." last="Sanborn">James R. Sanborn</name><name sortKey="Yang, Zheng" sort="Yang, Zheng" uniqKey="Yang Z" first="Zheng" last="Yang">Zheng Yang</name><name sortKey="Zhong, Ping" sort="Zhong, Ping" uniqKey="Zhong P" first="Ping" last="Zhong">Ping Zhong</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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