薯莨块茎脂肪酸和挥发油成分的GC-MS分析

目的:分析测定薯莨Dioscorea Cirrhosa Lour.块茎中的脂肪酸和挥发油的含量及种类.方法:采用气相色谱-质谱联用仪进行测定.结果:从脂肪酸组份中分离出50个峰,鉴定出12种脂肪酸,其中主要成分有9,12-十八碳二烯酸(亚油酸,21.59％)、十六酸(棕榈酸,16.22％)等；挥发油组分中分离出32个峰,鉴定出32种化合物,其中间甲基苯酚、苯酚、2-甲基苯酚含量较高,分别占挥发油总量的26.92％,18.95％,12.12％.结论:对薯莨块茎中脂肪酸、挥发性组分进行了分析测定,为进一步综合开发利用薯莨提供了一定的理论依据.

Study on Volatile Oil and Fatty Acids from Dioscorea cirrhosa by GC-MS

Objective: The volatile oil and fatty acid of the Dioscorea cirrhosa. were analyzed. Method: In this study, the capillary GC-MS was used. Result: Fifty peaks were separated,12 compounds were identified from the fatty acids, the tuber of D. cirrhosa contained abundant octadecadienoic acid and hexadecanoic acid, they were 21.59% and 16.22%of total fatty acids respectively.And 32 peaks were separated and 32 compounds were identified from the volatile oil, m-cresol (26.92%), phenyl hydroxide (18.95%), o-cresylic acid(12.12%) were the dominant constituents. Conclusion: The results provide the scientific basis for comprehensive development and utilization of D. Cirrhosa .