气相色谱质谱法测定湘西杜仲籽油中5种脂肪酸含量  

Determination of five fatty acids in seed oil of Eucommia Ulmoides by gas chromatography-mass spectrometry

作　　者：饶青青 王然 欧阳位麒 章发盛 RAO Qingqing;WANG Ran;OUYANG Weiqi;ZHANG Fasheng(Food and drug Institute of Xiangxi Tujia&Miao Autonomous Prefecture,Jishou 416000,China)

机构地区：[1]湘西土家族苗族自治州食品药品检验所,湖南吉首416000

出　　处：《现代食品》2023年第4期173-176,共4页Modern Food

基　　金：湖南省市场监督管理局科技立项项目(2021KJJH34)。

摘　　要：本文采用气相色谱—质谱联用法对湘西杜仲籽油中亚麻酸、亚油酸、油酸、棕榈酸和硬脂酸5种脂肪酸含量进行测定。结果表明,该方法简单可行,方法线性关系良好,重复性、精密度、加标回收率均能满足要求。检验得到湘西杜仲籽油中ɑ-亚麻酸含量为59.9%,亚油酸含量为12.2%,油酸含量为15.2%,硬脂酸含量为2.15%,棕榈酸含量为6.29%。This article used establish the gas chromatograph-mass spectrometry(GC-MS)method for quantitative determinate of the content of linolenic acid,linoleic acid,oleic acid,palmitic acid and stearic acid in Xiangxi Eucommia Seed.The results indicated that the method is simple and feasible,the linear relationship of the method is good,and the repeatability,precision and recovery rate of spiking can meet the requirements.The results showed that the content of linolenic acid,linoleic acid,oleic acid,stearic acid and palmitic acid in Xiangxi Eucommia Seed were 59.9%,12.2%,15.2%,2.15%and 6.29%.

关 键 词：湘西杜仲籽油 气质联用 脂肪酸 亚麻酸 亚油酸 油酸 

分 类 号：TS201.2[轻工技术与工程—食品科学]