三种木瓜的乙醚提取部位的气相色谱-质谱分析

GC-MS analysis of ether extracts from three species of Chaenomeles fruits

目的 :分析与比较 3种木瓜的乙醚提取部位的化学成分与相对含量。 方法 :采用气相色谱 -质谱 (GC- MS)分析与鉴定其化学成分。 结果 :从 3种木瓜的乙醚提取部位中首次分离与鉴定出 6 1个化合物 ,其中皱皮木瓜 (Chaenomeles lagenaria)4 0个化合物 ,宣木瓜 (C.lagenaria产自安徽宣州 ) 34个化合物 ,光皮木瓜 (C.sinensis) 2 3个化合物。有 10个化合物在 3种木瓜中都含有 ,但相对含量差别大。它们是乙酸、苯甲醛、正葵酸、14-甲基十五烷酸甲酯、丙三醇、苯甲酸、6 ,9-十八碳二烯酸甲酯、角鲨烷、硬脂酸和二十烷基油酸酯。 结论 :木瓜的品种和产地不同对其所含化学成分类型与相对含量有明显影响 ,本实验数据对中药木瓜的质量评价有参考价值。

Objective:To analyze the chemical constituents of the ether extracts from the fruits of 3 species of Chaenomeles . Methods: The chemical constituents were analyzed by GC MS. Results: Sixty one constituents were firstly isolated and identified from the fruits of 3 species of Chaenomeles . Forty compounds in Chaenomeles lagenaria , thirty four compounds in Xuan mugua ( C.lagenaria from Xuanzhou) and 23 compounds in C.sinensis were isolated and identified respectively. There were 10 compounds in all 3 species of Chaenomeles , but their contents were very much different. They were acetic acid, benzaldehyde, n caproic acid, 14 methyl pentadecanoic methyl ester, glycerin, benzoic acid, 6,9 octadecadienoic methyl ester, squalane, stearic acid and oleic eicosyl ester. Conclusion: The composition and content vary with different species and district of Chaenomeles . The result may be useful for the evaluation of Chaenomeles fruits quality. [