新疆乌苏产水飞蓟油的脂肪酸组成和相对含量分析
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摘要
用GC-MS联用技术检测分析了经甲酯化处理的新疆产水飞蓟精油中脂肪酸的组成及其相对含量,共检测出7种脂肪酸,其组成和相对含量分别为:棕榈酸10.53%,硬脂酸3.80%,山嵛酸0.74%,油酸45.42%,亚油酸36.33%,亚麻酸0.80%,花生酸1.07%。新疆产水飞蓟油的脂肪酸组成与文献报道的中国其它产地的水飞蓟油的脂肪酸组成基本相同,但各种脂肪酸含量有显著的不同,亚油酸含量为所有文献中报道最低,油酸含量为所有文献中报道最高~([1-5])。新疆产水飞蓟油中总饱和脂肪酸:总单不饱和脂肪酸:总多不饱和脂肪酸的比值为1:3:2.5,是一种天然营养均衡植物油。
Silybum marianum oil was converted to its methyl ester and was subjected to GC-MS analysis.7 fatty acids were detected,which composition and relative content were determined as follows:palmic acid 10.53%,stearic acid3.80%,behenic acid 0.74%,oleic acid45.42%,linoleic acid 36.33%,linolenic acid 0.80%,arachidic acid 1.07%.The ratio of total saturated fatty acid to total monounsaturated fatty acids to total polyunsaturated fatty acid is 1:3:2.5.Based on analysis results,it is proposed that it is balanced natural nutritious plant oil.
引文
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