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氯代烃含量与乳脂肪脂肪酸组成之间的关系

Relationship Between the Content of Chlorinated Hydrocarbons and Fatty Acid Composition of Milk Fat.

作者信息

Pietrzak-Fiećko Renata

机构信息

Department of Commodities and Food Analysis, University of Warmia and Mazury in Olsztyn, 10-719 Olsztyn, Poland.

出版信息

J Vet Res. 2018 Mar 30;62(1):71-78. doi: 10.1515/jvetres-2018-0010. eCollection 2018 Mar.

DOI:10.1515/jvetres-2018-0010
PMID:29978130
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5957464/
Abstract

INTRODUCTION

Reports that the presence of persistent organic pollutants in fat may affect fatty acid metabolism prompted this research aiming to study the relationship between the contents of γ-HCH and DDT, DDE, DDD, and ΣDDT, and fatty acid composition of milk fat.

MATERIAL AND METHODS

The material consisted of 50 samples of cow and mare milk, collected in 2015. Ludwicki's and the Röse-Gottlieb and IDF Standard methods were used to prepare the samples. Statistical analyses were conducted using Statistica 12.0.

RESULTS

There was a negative correlation between the content of γ-HCH and C16:1, C17:1, C18:1, C18:1, and ΣMUFA in cow milk fat and C13:0, C14:0, and C10:1 in mare milk fat. A positive correlation was observed between γ-HCH and C6:0 to C12:0, C14:0, C18:116, and ΣSFA in cow milk fat, and between this compound and C14:0, C16:1, C17:1, C18:1,11, and ΣMUFA in mare milk fat. A negative correlation between the contents of ΣDDT and C16:1, C17:1, C18:1,, and ΣMUFA in cow milk fat and C16:0iso, C17:0, and C18:3 in mare milk fat was noted. A positive correlation was found between the contents of ΣDDT and saturated and polyunsaturated fatty acids and ΣSFA and ΣPUFA in cow milk fat, and C18:2 in mare milk fat.

CONCLUSION

The correlation between the content of selected organochlorine compounds and the composition of fatty acids in cow and mare milk fat indicates the strong influence of these environmental pollutants on the nutritional value of milk fat.

摘要

引言

有报道称脂肪中持久性有机污染物的存在可能会影响脂肪酸代谢，这促使本研究旨在探讨γ-六氯环己烷以及滴滴涕、滴滴伊、滴滴滴和总滴滴涕含量与乳脂肪脂肪酸组成之间的关系。

材料与方法

材料包括2015年采集的50份牛奶和马奶样本。采用卢德维茨法以及罗斯-哥特利布法和国际乳品联合会标准方法制备样本。使用Statistica 12.0进行统计分析。

结果

在牛奶脂肪中，γ-六氯环己烷含量与C16:1、C17:1、C18:1、C18:1和总单不饱和脂肪酸以及马奶脂肪中的C13:0、C14:0和C10:1呈负相关。在牛奶脂肪中，γ-六氯环己烷与C6:0至C12:0、C14:0、C18:116和总饱和脂肪酸呈正相关，在马奶脂肪中，该化合物与C14:0、C16:1、C17:1、C18:1、11和总单不饱和脂肪酸呈正相关。在牛奶脂肪中，总滴滴涕含量与C16:1、C17:1、C18:1和总单不饱和脂肪酸以及马奶脂肪中的C16:0异、C17:0和C18:3呈负相关。在牛奶脂肪中，总滴滴涕含量与饱和脂肪酸和多不饱和脂肪酸以及总饱和脂肪酸和总多不饱和脂肪酸呈正相关，在马奶脂肪中，总滴滴涕含量与C18:2呈正相关。

结论

所选有机氯化合物含量与牛奶和马奶脂肪中脂肪酸组成之间的相关性表明，这些环境污染物对乳脂肪的营养价值有很大影响。

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