{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,13]],"date-time":"2026-02-13T06:08:02Z","timestamp":1770962882892,"version":"3.50.1"},"reference-count":48,"publisher":"Wiley","issue":"1-2","license":[{"start":{"date-parts":[[2013,12,13]],"date-time":"2013-12-13T00:00:00Z","timestamp":1386892800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"crossref","award":["31071546"],"award-info":[{"award-number":["31071546"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J of Separation Science"],"published-print":{"date-parts":[[2014,1]]},"abstract":"<jats:p>A novel, simple, and rapid method is presented for the analysis of aflatoxin <jats:styled-content style=\"fixed-case\">B<\/jats:styled-content><jats:sub>1<\/jats:sub>, aflatoxin <jats:styled-content style=\"fixed-case\">B<\/jats:styled-content><jats:sub>2<\/jats:sub>, and ochratoxin <jats:styled-content style=\"fixed-case\">A<\/jats:styled-content> in rice samples by dispersive liquid\u2013liquid microextraction combined with <jats:styled-content style=\"fixed-case\">LC<\/jats:styled-content> and fluorescence detection. After extraction of the rice samples with a mixture of acetonitrile\/water\/acetic acid, mycotoxins were rapidly partitioned into a small volume of organic solvent (chloroform) by dispersive liquid\u2013liquid microextraction. The three mycotoxins were simultaneously determined by <jats:styled-content style=\"fixed-case\">LC<\/jats:styled-content> with fluorescence detection after precolumn derivatization for aflatoxin <jats:styled-content style=\"fixed-case\">B<\/jats:styled-content><jats:sub>1<\/jats:sub> and <jats:styled-content style=\"fixed-case\">B<\/jats:styled-content><jats:sub>2<\/jats:sub>. Parameters affecting both extraction and dispersive liquid\u2013liquid microextraction procedures, including the extraction solvent, the type and volume of extractant, the volume of dispersive solvent, the addition of salt, the pH and the extraction time, were optimized. The optimized protocol provided an enrichment factor of approximately 1.25 and with detection of limits (0.06\u20130.5 \u03bcg\/kg) below the maximum levels imposed by current regulations for aflatoxins and ochratoxin <jats:styled-content style=\"fixed-case\">A<\/jats:styled-content>. The mean recovery of three mycotoxins ranged from 82.9\u2013112%, with a <jats:styled-content style=\"fixed-case\">RSD<\/jats:styled-content> less than 7.9% in all cases. The method was successfully applied to measure mycotoxins in commercial rice samples collected from local supermarkets in <jats:styled-content style=\"fixed-case\">C<\/jats:styled-content>hina.<\/jats:p>","DOI":"10.1002\/jssc.201300970","type":"journal-article","created":{"date-parts":[[2013,11,14]],"date-time":"2013-11-14T19:58:41Z","timestamp":1384459121000},"page":"92-98","source":"Crossref","is-referenced-by-count":66,"title":["Rapid analysis of aflatoxins <scp>B<\/scp><sub>1<\/sub>, <scp>B<\/scp><sub>2<\/sub>, and ochratoxin <scp>A<\/scp> in rice samples using dispersive liquid\u2013liquid microextraction combined with <scp>HPLC<\/scp>"],"prefix":"10.1002","volume":"37","author":[{"given":"Xian\u2010Wen","family":"Lai","sequence":"first","affiliation":[{"name":"Key Laboratory of Natural Pesticide and Chemical Biology South China Agricultural University Ministry of Education  Guangzhou P. R. 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