EN ISO 18363-2-2018

Animal and vegetable fats and oils - Determination of fatty-acid-bound chloropropanediols (MCPDs) and glycidol by GC/MS - Part 2: Method using slow alkaline transesterification and measurement for 2-MCPD@ 3-MCPD and glycidol

EN ISO 18363-2-2018 发布历史

This document specifies a procedure for the parallel determination of glycidol together with 2-MCPD and 3-MCPD present in bound or free form in oils and fats. The method is based on alkaline-catalysed ester cleavage@ transformation of the released glycidol into monobromopropanediol (MBPD) and derivatisation of the derived free diols (MCPD and MBPD) with phenylboronic acid (PBA). Though free MCPD and glycidol are supposed to be present in fats and oils in low to negligible quantities only@ in the event that free analytes are present@ they would contribute proportionately to the results. The results always being the sum of the free and the bound form of a single analyte. This method is applicable to solid and liquid fats and oils. This document can also apply to animal fats and used frying oils and fats@ but a validation study is undertaken before the analysis of these matrices. Milk and milk products (or fat coming from milk and milk products) are excluded from the scope of this document.

EN ISO 18363-2-2018由CEN - European Committee for Standardization 发布于 2018-10-01，并于 2018-10-13 实施。

EN ISO 18363-2-2018的历代版本如下：

• 2018年10月01日 EN ISO 18363-2-2018

非常抱歉，我们暂时无法提供预览，您可以试试： 免费下载 EN ISO 18363-2-2018 前三页，或者稍后再访问。

注意： 点击下载后，生成下载文件时间比较长，请耐心等待......

标准号

EN ISO 18363-2-2018

发布日期

2018年10月01日

实施日期

2018年10月13日

废止日期

无

中国标准分类号

/

国际标准分类号

/

发布单位

CEN - European Committee for Standardization

引用标准

32

适用范围

This document specifies a procedure for the parallel determination of glycidol together with 2-MCPD and 3-MCPD present in bound or free form in oils and fats. The method is based on alkaline-catalysed ester cleavage@ transformation of the released glycidol into monobromopropanediol (MBPD) and derivatisation of the derived free diols (MCPD and MBPD) with phenylboronic acid (PBA). Though free MCPD and glycidol are supposed to be present in fats and oils in low to negligible quantities only@ in the event that free analytes are present@ they would contribute proportionately to the results. The results always being the sum of the free and the bound form of a single analyte. This method is applicable to solid and liquid fats and oils. This document can also apply to animal fats and used frying oils and fats@ but a validation study is undertaken before the analysis of these matrices. Milk and milk products (or fat coming from milk and milk products) are excluded from the scope of this document.

EN ISO 18363-2-2018系列标准