摘要
目的对苣荬菜、长裂苦苣菜、花叶滇苦菜中的挥发油成分进行分析与比较。方法用水蒸气蒸馏法分别提取苣荬菜、长裂苦苣菜、花叶滇苦菜的挥发油,采用气相色谱-质谱联用法,鉴定其挥发油的化学成分。结果苣荬菜鉴定出35种成分,长裂苦苣菜鉴定出55种成分,花叶滇苦菜鉴定出49种成分。结论苣荬菜的主要成分为6,10,14-三甲基-十五烷-2-酮(26.46%)、植醇(9.67%),长裂苦苣菜的主要成分为正十六烷酸(8.01%)、4-(2,6,6-三甲基-1-环己烯-1-基)-3-丁烯-2-酮(7.09%),花叶滇苦菜的主要成分为正十六烷酸(12.87%)、6,10,14-三甲基-十五烷-2-酮(12%)。三者共同的成分有6,10,14-三甲基-十五烷-2-酮、1,1,5-三甲基-1,2-二氢萘、(E)-1-(2,6,6-三甲基-1,3-环己二烯-1-基)-2-丁烯-1-酮等11种。
Objective: To analyze and compare the volatile oil components in endive,sonchus brachyotus and sonchus asper. Method: volatile oils of endive,sonchus brachyotus and sonchus asper were extracted by steam distillation and their chemical constituents were identified by GC-MS. Result: 35 components were identified from endive,55 components were identified from sonchus brachyotus,49 components were identified from sonchus asper. Conclusion: The main components of endive are 6,10,14-trimethyl-pentadecan-2-ketone(26. 46%) and phytol(9. 67%). The main components of sonchus brachyotus are n-hexadecanoic acid(8. 01%) and 4-(2,6,6-trimethyl-1-cyclohexene-1-yl)-3-butene-2-ketone(7. 09%). The main components of sonchus asper are n-hexadecanoic acid(12. 87%) and 6,10,14-trimethyl-pentadecan-2-ketone(12%). The common components of the three are 6,10,14-trimethyl-pentadecan-2-ketone,1,1,5-trimethyl-1,2-dihydronaphtha,(E)-1-(2,6,6-trimethyl-1-cyclohexene-1-yl)-2-butene-1-ketone and other 8 species.
引文
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