香粉叶挥发性成分提取和分析

采用水蒸汽蒸馏法提取香粉叶的挥发组分，用乙醚萃取蒸馏溶液的挥发性成份，利用气相色谱-质谱联用仪分别定性定量分析了它们的化学成分。 结果表明，挥发油的提取率为0.75%(质量百分数，以下同)，主要成分有：1，8-桉叶素28.94%、α-甲基香豆酮15.75%、4-松油醇5.13%、α-松油醇11.22%、2-羟基肉桂酸7.97%、愈创木醇2.87%。 水层乙醚萃取物得率为0.25%，主要成分有：2-甲基苯并呋喃8.47%、2H-1-苯并吡喃-2-酮24.13%、2H-1-苯并吡喃-3-醇-3,4-二氢乙酸酯18.07%、p-羟甲苯基缩水甘油醚2.09%、1-苯基苯乙基-3,3-二乙酯4.50%、丙三醇二乙酸酯17.19%、乙酸金合欢酯11.80%。

Extraction and Analysis of Volatile Constituents from Lindera Pulcherrima( Wall.)

The volatile constituents of Lindera Pulcherrima(Wall.) were extracted by steam distillation.The chemical constituents of essential oil have been analyzed by GC-MS.The results show that the extractive yield of essential oil is 0.75%,the compounds of essential oil are 28.94% eucalyptol,15.75% α-methlybenzofuran,5.13% 4-terpinenol,11.22% α-terpineol,7.97% 2-hydroxycinnamic acid,2.87% guaiol,and the extractive yield of substance from water is 0.25%,which consists of 8.47% 2-methylbenzofuran,24.13% 2H-1-benzopyran-2-one,18.07% 2H-1-benzopyran-3-ol,3,4-dihydro-,acetate,2.09% p-gresyl glycidyl ether,4.50% 1-phenylpropene-3,3-diol diacetate,17.19% glycerol dicetate and 11.80% farnesyl acetate.