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首页> 外文期刊>Journal of Analytical Atomic Spectrometry >Development and application of a selenium speciation method in cattle feed and beef samples using HPLC-ICP-MS: evaluating the selenium metabolic process in cattle
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Development and application of a selenium speciation method in cattle feed and beef samples using HPLC-ICP-MS: evaluating the selenium metabolic process in cattle

机译：HPLC-ICP-MS在牛饲料和牛肉样品中硒形态分析方法的开发和应用：评估牛中硒的代谢过程

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摘要

Selenium (Se) is an essential element for mammals with diet being the major source of intake. For this work cattle feed was enriched with combinations of selenium enriched yeast, canola oil, and/or vitamin E in order to evaluate the accumulation and metabolism of selenium in beef cattle. A method to identify and/or quantify the selenium species: selenocystine (SeCys_2), selenomethionine (SeMet), selenomethionine-Se-oxide (SeOMet), and inorganic selenium species, selenate (Se(Ⅵ)) and selenite (Se(Ⅳ)), was developed and applied to cattle feed and beef samples.
机译：硒是哺乳动物的必需元素，饮食是其主要摄入来源。对于这项工作，牛饲料中添加了富硒酵母，低芥酸菜子油和/或维生素E的组合，以评估硒在牛中的积累和代谢。鉴定和/或定量硒物种的方法：硒代半胱氨酸（SeCys_2），硒代蛋氨酸（SeMet），硒代蛋氨酸-Se-氧化物（SeOMet）和无机硒种类，硒酸盐（Se（Ⅵ））和亚硒酸盐（Se（Ⅳ）） ），已开发并应用于牛饲料和牛肉样品。

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  • 来源
    《Journal of Analytical Atomic Spectrometry》 |2016年第4期|1034-1040|共7页
  • 作者

    A. F. Oliveira; J. Landero; K. Kubachka; A. R. A. Nogueira; M. A. Zanetti; J. Caruso;

  • 作者单位

    University of Sao Carlos, Group of Applied Instrumental Analysis, Department of Chemistry, Sao Carlos, SP, Brazil, 13565-905,Embrapa Southeast Livestock, Sao Carlos, SP, Brazil, 13560-970,Department of Chemistry, McMicken College of Arts and Sciences, ML0172, Cincinnati, OH, USA 45221;

    Department of Chemistry, McMicken College of Arts and Sciences, ML0172, Cincinnati, OH, USA 45221;

    US FDA Forensic Chemistry Center, Cincinnati, OH, USA;

    Embrapa Southeast Livestock, Sao Carlos, SP, Brazil, 13560-970;

    University of Sao Paulo, Faculty of Animal Science and Food Engineering, Department of Animal Science, Pirassununga, SP, Brazil, 13630-000;

    Department of Chemistry, McMicken College of Arts and Sciences, ML0172, Cincinnati, OH, USA 45221;

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