Determination of 3-Monochloropropane-1,2-diol and 2-Monochloropropane-1,3-diol (MCPD) Esters and Glycidyl Esters by Microwave Extraction in Different Foodstuffs

被引：11

作者：

Marc, Corinne ^{[1
]}

Drouard-Pascarel, Valerie ^{[1
]}

Retho, Cecile ^{[1
]}

Janvion, Patrice ^{[1
]}

Saltron, Frederic ^{[1
]}

机构：

[1] Serv Commun Labsc, 25 Ave Republ, F-91744 Massy, France

来源：

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY | 2016年 / 64卷 / 21期

关键词：

3-MCPD esters; 2-MCPD esters; glycidyl esters; microwave extraction; foodstuffs; GC-MS; FATTY-ACID ESTERS; 3-MCPD; 3-CHLORO-1,2-PROPANEDIOL; METABOLISM;

D O I：

10.1021/acs.jafc.6b00770

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

This paper describes a method for the determination of 3-monochloropropane-1,2-diol and 2-monochloropropane-1,3-diol (MCPD) esters and glycidyl esters in various foodstuffs, which are isolated using microwave extraction. The next step is based on alkaline-catalyzed ester cleavage. The released glycidol is transformed into monobromopropanediol (MBPD). All compounds are derivatized in free diols (MCPD and MBPD) with phenylboronic acid and analyzed by gas chromatography-mass spectrometry (GC-MS). The method was validated for oils with a limit of quantitation (LOQ) of 0.1 mg/kg, for chips and crisps with a LOQ of 0.02 mg/kg, and for infant formula with a LOQ of 0:0025 mg/L. Recoveries of each sample were controlled by standard addition on extracts before derivatization. Quantitation was performed by the addition of isotopically labeled glycidyl and 3-monochloropropane-1,2-diol (3-MCPD) esters.

引用

页码：4353 / 4361

页数：9

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