{"title":"Determination of acibenzolar-S-methyl and its degradation product in agricultural products by HPLC","authors":"S. Takatsuki, S. Nemoto, T. Tsutsumi, K. Sasaki, M. Toyoda","doi":"10.3358/SHOKUEISHI.41.381","DOIUrl":"https://doi.org/10.3358/SHOKUEISHI.41.381","url":null,"abstract":"HPLCによる農産物中のアシベンゾラル-S-メチル (BTH) 及び分解物のbenzo[1,2,3]thiodiazole-7-carboxylic acid (BTC) の分析法を確立した. 試料からリン酸緩衝液 (pH 8.0) とアセトンで抽出後, BTHは塩基性溶液 (pH7.5～8.5) からエーテル-ヘキサン (1 : 1) で再抽出し, BTCはリン酸酸性溶液 (<pH 3) から同溶媒で再抽出した. BTHは脱脂後, フロリジルで精製した. BTCは, 直接フロリジルで精製した. UV検出器付きHPLC及びLC/MSで測定を行った. 米, 麦及びとうもろこしにBTH又はBTCを0.1μg/g添加したときの回収率は, 平均76.8～86.7%, 標準偏差は0.3～2.7であった. 検出限界はUV検出器付きHPLCで0.003μg/g (BTH) 及び0.008μg/g (BTC) であった.","PeriodicalId":17269,"journal":{"name":"Journal of The Food Hygienic Society of Japan (shokuhin Eiseigaku Zasshi)","volume":"28 1","pages":"381-386"},"PeriodicalIF":0.0,"publicationDate":"2000-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74847705","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-10-25DOI: 10.3358/SHOKUEISHI.41.312
K. Monma, K. Sasaki, F. Ushio, Y. Saitoh, Hisatsugu Ichikawa, T. Matsuoka, M. Nishijima, A. Hino
{"title":"Detection Rate of Glyphosate Tolerance Gene in Foreign and Domestic Soybeans and Tofu Products","authors":"K. Monma, K. Sasaki, F. Ushio, Y. Saitoh, Hisatsugu Ichikawa, T. Matsuoka, M. Nishijima, A. Hino","doi":"10.3358/SHOKUEISHI.41.312","DOIUrl":"https://doi.org/10.3358/SHOKUEISHI.41.312","url":null,"abstract":"","PeriodicalId":17269,"journal":{"name":"Journal of The Food Hygienic Society of Japan (shokuhin Eiseigaku Zasshi)","volume":"147 1","pages":"312-315"},"PeriodicalIF":0.0,"publicationDate":"2000-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76735956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-10-25DOI: 10.3358/SHOKUEISHI.41.326
T. Chonan, K. Nishimura, Yuzi Hirama
{"title":"Rapid Determination of Residues of Five Kinds of Veterinary Drugs in Livestock Products by HPLC","authors":"T. Chonan, K. Nishimura, Yuzi Hirama","doi":"10.3358/SHOKUEISHI.41.326","DOIUrl":"https://doi.org/10.3358/SHOKUEISHI.41.326","url":null,"abstract":"","PeriodicalId":17269,"journal":{"name":"Journal of The Food Hygienic Society of Japan (shokuhin Eiseigaku Zasshi)","volume":"2 1","pages":"326-329"},"PeriodicalIF":0.0,"publicationDate":"2000-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74842697","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"GC/MS(SIM)による農作物中110農薬の一斉分析法","authors":"S. Nemoto, K. Sasaki, Syuichi Eto, Isao Saito, H. Sakai, Tetsuo Takahashi, Yasuhide Tonogai, T. Nagayama, S. Hori, Yoshiaki Maekawa, M. Toyoda","doi":"10.3358/SHOKUEISHI.41.233","DOIUrl":"https://doi.org/10.3358/SHOKUEISHI.41.233","url":null,"abstract":"農作物からアセトニトリル抽出後, GPC及びカートリッジカラムによるクリーンアップを行い, GC/MS (SIM) 測定する110農薬の一斉分析法を作成した. 6農作物に4又は5分析機関で添加回収試験を行った結果, 各農薬の回収率データ中70～120%の良好な結果を示したデータが全体の70%以上を占めた農薬は77種であった. 各農薬の検出限界値は0.0004～0.08μg/g以下であった.","PeriodicalId":17269,"journal":{"name":"Journal of The Food Hygienic Society of Japan (shokuhin Eiseigaku Zasshi)","volume":"5 1","pages":"233-241"},"PeriodicalIF":0.0,"publicationDate":"2000-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72961113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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