四合木茎叶石油醚提取物化学成分分析

利用GC-MS法对四合木茎叶的石油醚提取物进行了成分鉴定。鉴定出40种化合物,包括烷烃类化合物8种、羧酸类化合物11种、酯类化合物9种、萜类化合物2种、甾体类化合物2种、醇类化合物4种,占样品总量的80.5%。其中相对含量最高的3种成分依次为油酸(15.33%)、β-谷甾醇(9.12%)和十八碳二烯酸甲酯(7.24%)。β-谷甾醇可能是四合木具有抗虫性的主要成分。

Analysis of the composition of petroleum extraction from stem and leaf of Tetraena mongolica

The composition of petroleum extraction of the stem and leaf of T.mongolic was identified by GC-MS.40 compounds were identified.They include alkane(8 kinds),Carboxylic acid(11 kinds),Ester(9 kinds),Terpene(2 kinds),Steroid(2 kinds),Alcohol(4 kinds),which accounted for 80.5%of the total sample.The highest relatively content was Oleic Acid(15.33%),the second wasβ-Sitosterol with the content of 9.12%and the third was 9,12-Octadecadienoic acid,ethyl ester with the content of 7.24%.β-sitosterol may be main insect resistance compound of Tetraena which have insect resistance.