E. Ishikuro, H. Hibino, T. Soga, H. Yanai, H. Sawada
{"title":"Simultaneous determination of 8 kinds of organic acids in formula feed by capillary electrophoresis","authors":"E. Ishikuro, H. Hibino, T. Soga, H. Yanai, H. Sawada","doi":"10.3358/SHOKUEISHI.41.261","DOIUrl":null,"url":null,"abstract":"配合飼料中の8種類の有機酸 (ギ酸, フマル酸, 酒石酸, リンゴ酸, クエン酸, 酢酸, 乳酸及びプロピオン酸) のキャピラリー電気泳動 (CE) による分析法を開発した. 各有機酸は水で同時抽出し, ろ過した後, ろ液を0.02mol/Lの水酸化ナトリウムで希釈し, 限外ろ過フィルターユニット (分画分子量30,000) で除タンパクを行いCEに供した. 3種類の配合飼料に8種類の有機酸を0.05～2.0%の範囲で添加して回収試験を行ったところ, 平均回収率は85.1～107.3%で繰り返し精度 (RSDr) は13.6%以内であった. また, 3試験室において共同試験を行った結果, 平均回収率は87.3～105.0%, 室間再現精度 (RSDR) は16.3%以内であった.","PeriodicalId":17269,"journal":{"name":"Journal of The Food Hygienic Society of Japan (shokuhin Eiseigaku Zasshi)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of The Food Hygienic Society of Japan (shokuhin Eiseigaku Zasshi)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3358/SHOKUEISHI.41.261","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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