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Method validation of 16 types of structural amino acids using an automated amino acid analyzer

机译：使用自动氨基酸分析仪对16种结构氨基酸进行方法验证

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摘要

An analytical method for the simultaneous determination of 16 types of structural amino acids in infant formula using an automated amino acid analyzer was validated through tests of precision, accuracy and linearity. The automated analysis of the amino acids was performed on an ion-exchange packed column with a visible detector. The certificated reference material (CRM) 1546 from NIST was used as the test sample to determine the precision and accuracy of the analytical method. The regression analyses revealed good correlations [correlation coefficient (r 2)] that were greater than 0.99. The recovery values of the amino acids were ranged from 87.18 to 118.08%. The limits of detection and limits of quantification were less than 0.059 mg/100 g and less than 0.198 mg/100 g, respectively. The intra- and inter-day precisions were less than 14.62% in the CRM sample.
机译：通过精密度，准确性和线性测试，验证了一种使用自动氨基酸分析仪同时测定婴儿配方食品中16种结构氨基酸的分析方法。氨基酸的自动分析在带有可见检测器的离子交换填充柱上进行。使用NIST认证的参考材料（CRM）1546作为测试样品，以确定分析方法的精度和准确性。回归分析显示良好的相关性[相关系数（r 2）]大于0.99。氨基酸的回收率范围为87.18至118.08％。检测限和定量限分别小于0.059 mg / 100 g和小于0.198 mg / 100 g。 CRM样本中的日内和日间精度低于14.62％。

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  • 来源
    《Food Science and Biotechnology》 |2013年第6期|1567-1571|共5页
  • 作者

    You-Shin Shim; Won-Jin Yoon; Jaeho Ha; Dongwon Seo; Kwang-Won Lee; Woo-Young Lee; Kwang-Il Kwon; Tae-Seok Kang; Jin-Ha Lee; Hyun-Jeong Kim; Hae-Jung Kwak; Sam-Pin Lee; So-Jung Kim; Won-Kap Yun; Junsoo Lee; Jin-Bong Hwang;

  • 作者单位

    Food analysis Center Korea Food Research Institute">(1);

    Food analysis Center Korea Food Research Institute">(1);

    College of Life Sciences and Biotechnology Korea University">(2);

    Food analysis Center Korea Food Research Institute">(1);

    Food analysis Center Korea Food Research Institute">(1);

    College of Life Sciences and Biotechnology Korea University">(2);

    Nutrition Safety Policy Division Food Nutrition and Dietary Safety Bureau Ministry of Food and Drug safety">(3);

    Dietary Life Safety Division Food Nutrition and Dietary Safety Bureau Ministry of Food and Drug safety">(4);

    Nutrition and Functional Food Research Food safety Evaluation Department National Institute of Food and Drug safety Evaluation">(5);

    Nutrition and Functional Food Research Food safety Evaluation Department National Institute of Food and Drug safety Evaluation">(5);

    The Center for Traditional Microorganism Resource Keimyung University">(6);

    The Center for Traditional Microorganism Resource Keimyung University">(6);

    The Center for Traditional Microorganism Resource Keimyung University">(6);

    Gyeongbuk Institute for Marine Bioindustry">(7);

    Gyeongbuk Institute for Marine Bioindustry">(7);

    Department of Food Science and Technology Chungbuk National University">(8);

    Food analysis Center Korea Food Research Institute">(1);

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  • 正文语种 eng
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  • 关键词

    amino acids; automated amino acid analyzer; analytical method; validation; post column reaction;

    机译：氨基酸;自动氨基酸分析仪;分析方法验证;柱后反应;

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