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采用液相色谱-飞行时间质谱法直接测定植物油中3-氯-1,2-丙二醇脂肪酸酯和缩水甘油脂肪酸酯

Direct Determination of MCPD Fatty Acid Esters and Glycidyl Fatty Acid Esters in Vegetable Oils by LC-TOFMS.

作者信息

Haines Troy D, Adlaf Kevin J, Pierceall Robert M, Lee Inmok, Venkitasubramanian Padmesh, Collison Mark W

机构信息

Research Division, Archer Daniels Midland Company, James R. Randall Research Center, 1001N. Brush College Road, Decatur, IL 62521 USA.

出版信息

J Am Oil Chem Soc. 2011 Jan;88(1):1-14. doi: 10.1007/s11746-010-1732-5. Epub 2010 Dec 9.

DOI:10.1007/s11746-010-1732-5
PMID:21350591
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3022155/
Abstract

Analysis of MCPD esters and glycidyl esters in vegetable oils using the indirect method proposed by the DGF gave inconsistent results when salting out conditions were varied. Subsequent investigation showed that the method was destroying and reforming MCPD during the analysis. An LC time of flight MS method was developed for direct analysis of both MCPD esters and glycidyl esters in vegetable oils. The results of the LC-TOFMS method were compared with the DGF method. The DGF method consistently gave results that were greater than the LC-TOFMS method. The levels of MCPD esters and glycidyl esters found in a variety of vegetable oils are reported. MCPD monoesters were not found in any oil samples. MCPD diesters were found only in samples containing palm oil, and were not present in all palm oil samples. Glycidyl esters were found in a wide variety of oils. Some processing conditions that influence the concentration of MCPD esters and glycidyl esters are discussed.

摘要

采用德国油脂科学与技术协会（DGF）提出的间接法分析植物油中的3-氯-1,2-丙二醇（MCPD）酯和缩水甘油酯时，当盐析条件变化时，结果不一致。后续研究表明，该方法在分析过程中会破坏并重新生成MCPD。开发了一种液相色谱-飞行时间质谱（LC-TOF MS）法，用于直接分析植物油中的MCPD酯和缩水甘油酯。将LC-TOF MS法的结果与DGF法进行了比较。DGF法得到的结果始终高于LC-TOF MS法。报告了多种植物油中MCPD酯和缩水甘油酯的含量。在任何油样中均未发现MCPD单酯。MCPD二酯仅在含棕榈油的样品中发现，并非所有棕榈油样品中都有。缩水甘油酯在多种油中均有发现。讨论了一些影响MCPD酯和缩水甘油酯浓度的加工条件。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8f2b/3022155/89c3d33c32a3/11746_2010_1732_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8f2b/3022155/19fa5ed6fa01/11746_2010_1732_Fig1_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8f2b/3022155/ca522e89662f/11746_2010_1732_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8f2b/3022155/2b3fb5f1a40b/11746_2010_1732_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8f2b/3022155/9ec59e1d3a3b/11746_2010_1732_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8f2b/3022155/89c3d33c32a3/11746_2010_1732_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8f2b/3022155/19fa5ed6fa01/11746_2010_1732_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8f2b/3022155/e8e07b7059c8/11746_2010_1732_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8f2b/3022155/69f9e7d42136/11746_2010_1732_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8f2b/3022155/ca522e89662f/11746_2010_1732_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8f2b/3022155/2b3fb5f1a40b/11746_2010_1732_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8f2b/3022155/9ec59e1d3a3b/11746_2010_1732_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8f2b/3022155/89c3d33c32a3/11746_2010_1732_Fig7_HTML.jpg

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