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rapid and sensitive determination of l-carnitine and acetyl-l-carnitine in liquid milk samples with capillary zone electrophoresis using indirect uv detection
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نویسنده
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kong yu ,yang guifang ,chen shumeng ,hou zhanwu ,du xiaomin ,li hua ,kong linghong
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منبع
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food analytical methods - 2018 - دوره : 11 - شماره : 1 - صفحه:170 -177
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چکیده
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The purpose of this study was to establish a new capillary zone electrophoresis method with indirect uv detection for determining the concentration of l-carnitine and acetyl-l-carnitine in liquid milk samples. orthogonal experimental design was applied to arrange and optimize the experimental conditions. under selected conditions (using melamine as the additive), both l-carnitine and acetyl-l-carnitine could be detected in 6 min, with satisfied reproducibilities (rsd% of migration times <0.8%), linearities (r 2 > 0.995), recoveries (>90%), and relative low lods (3.0 and 5.0 μmol/l for l-carnitine and acetyl-l-carnitine, respectively). the proposed method was successfully applied to the assay of nine brands of bovine milk samples and shows potential for analyzing l-carnitine and acetyl-l-carnitine in other biosamples.
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کلیدواژه
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capillary zone electrophoresis ,indirect uv detection ,orthogonal design ,l-carnitine ,acetyl-l-carnitine ,milk
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آدرس
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the key laboratory of biomedical information engineering of ministry of education, xi’an jiaotong university, institute of mitochondrial biology and medicine, school of life science and technology, department of biological science and engineering, the people’s republic of china, the key laboratory of biomedical information engineering of ministry of education, xi’an jiaotong university, institute of mitochondrial biology and medicine, school of life science and technology, department of biological science and engineering, the people’s republic of china, the key laboratory of biomedical information engineering of ministry of education, xi’an jiaotong university, institute of mitochondrial biology and medicine, school of life science and technology, department of biological science and engineering, the people’s republic of china, the key laboratory of biomedical information engineering of ministry of education, xi’an jiaotong university, institute of mitochondrial biology and medicine, school of life science and technology, department of biological science and engineering, the people’s republic of china, the key laboratory of biomedical information engineering of ministry of education, xi’an jiaotong university, institute of mitochondrial biology and medicine, school of life science and technology, department of biological science and engineering, the people’s republic of china, the key laboratory of biomedical information engineering of ministry of education, xi’an jiaotong university, institute of mitochondrial biology and medicine, school of life science and technology, department of biological science and engineering, the people’s republic of china, the key laboratory of biomedical information engineering of ministry of education, xi’an jiaotong university, institute of mitochondrial biology and medicine, school of life science and technology, department of biological science and engineering, the people’s republic of china
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Authors
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