期刊论文

中文

中国油脂

1003-7969

2013

38

3

77-80

10.3969/j.issn.1003-7969.2013.03.020

国家自然科学基金项目（21075138） 湖南省研究生科研创新项目资助

本校为其他机构

建立了采用气相色谱-质谱联用技术中选择离子检测(SIM)方式对常见植物油中的脂肪酸成分进行检测和分析比较的方法。结果表明:SIM方式检测到油茶籽油中19种脂肪酸成分,而全扫描(SCAN)方式仅检测到7种;油茶籽油与橄榄油的脂肪酸组成比较接近,其饱和脂肪酸、单不饱和脂肪酸和多不饱和脂肪酸相对含量比为20:72:7,油酸相对含量为69.97%;而玉米油、花生油、菜籽油、芝麻油、葵花籽油5种植物油多不饱和脂肪酸相对含量高达26.57%~58.38%,油酸相对含量仅为20.61%~50.04%。该方法简单、快速、检测灵敏度高,可用于植物油脂肪酸的成分分析。

The selected ion monitoring（SIM） method of gas chromatography/mass spectrometer（GC/MS） was adopted for detecting and analyzing fatty acid of common vegetable oils. The results showed that SIM method could detect nineteen＇ fatty acids compositions of oil - tea camellia seed oil, but SCAN method could only detect seven species ; the fatty acid composition of oil - tea camellia seed oil was similar to that of olive oil, and the relative content ratio of saturated fatty acids to monounsaturated fatty acids to polyun- saturated fatty acids was ...