银杏叶脂溶性不皂化物轻馏分Py-GC-MS分析

林产化学与工业 ›› 2012, Vol. 32 ›› Issue (3): 66-70.

银杏叶脂溶性不皂化物轻馏分Py-GC-MS分析

陶冉¹, 王成章^1,2, 孔振武^1,2

1. 中国林业科学研究院林产化学工业研究所; 生物质化学利用国家工程实验室; 国家林业局林产化学工程重点开放性实验室; 江苏省生物质能源与材料重点实验室江苏南京 210042;2. 中国林业科学研究院林业新技术研究所北京 100091

收稿日期:2011-06-22 修回日期:1900-01-01 出版日期:2012-06-30 发布日期:2012-06-30
通讯作者: 王成章(1966-),男,湖北汉川人,研究员,博士,博士生导师,主要从事天然产物研究与利用;E-mail:wangczlhs@sina.com.

Py-GC-MS Analysis of Light Distillates Separated by Molecular Distillation from Fat-soluble Unsaponifiable Matter of Ginkgo biloba Leaves

TAO Ran¹, WANG Cheng-zhang^1,2, KONG Zhen-wu^1,2

1. Institute of Chemical Industry of Forest Products, CAF; National Engineering Lab. for Biomass Chemical Utilization; Key and Open Lab. of Forest Chemical Engineering, SFA; Key Lab.of Biomass Energy and Material, Jiangsu Province, Nanjing 210042, China;2. Institute of New Technology of Forestry, CAF, Beijing 100091, China

Received:2011-06-22 Revised:1900-01-01 Online:2012-06-30 Published:2012-06-30

摘要/Abstract

摘要： 采用石油醚提取、皂化、分子蒸馏等分离方法得到银杏叶脂溶性不皂化物轻馏分,利用裂解-气质联用(Py-GC-MS)技术,结合Nist02质谱标准库,指认了该部位裂解后得到的69种化学成分,标明各自的GC含量,并归属了其中主要化合物的化学结构类型。结果显示:裂解后化合物中单萜、倍半萜类化合物GC含量约为 23%,长链醇(酮、酯)及二萜类GC含量约为 47%,烷基酚、甾体类GC含量约为 30%。

关键词: 银杏, 不皂化物, 分子蒸馏, 裂解-气质联用

Abstract: Light distillates separated by molecular distillation from fat-soluble unsaponifiable matter of Ginkgo biloba leaves were prepared by extraction using petroleum ether, saponification and molecular distillation. The light distillates were analyzed by the Pyrolysis-Gas Chromatography-Mass Spectrometry technique. The results were compared with the NIST02 standard MS database by computer. As a result,69 kinds of chemical compounds were identified and their relative content was determined by using the normalization method. The main compounds were attributed to the corresponding type of chemical structure of compounds.The results showed that the total relative content of monoterpene and sesquiterpene compounds was approximately 23%, the total relative content of chainlike alcohol (ketone, ester) and diterpanes compounds was approximately 47% and the total relative content of alkylphenol and steroids compounds was approximately 30%.

Key words: Ginkgo biloba L., unsaponifiable matter, molecular distillation, Py-GC-MS

中图分类号:

TQ35

陶冉;王成章;孔振武;. 银杏叶脂溶性不皂化物轻馏分Py-GC-MS分析[J]. 林产化学与工业, 2012, 32(3): 66-70.

TAO Ran;WANG Cheng-zhang;KONG Zhen-wu;. Py-GC-MS Analysis of Light Distillates Separated by Molecular Distillation from Fat-soluble Unsaponifiable Matter of Ginkgo biloba Leaves[J]. , 2012, 32(3): 66-70.

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