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气质联用鉴别降香黄檀与越南香枝的研究(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2016年01期
Page:
97-103
Column:
研究论文
publishdate:
2016-01-31

Article Info:/Info

Title:
The identification of Dalbergia odorifera and D. tonkinensi by gas chromatography mass spectrometry
Article ID:
1000-2006(2016)01-0097-07
Author(s):
YANG Liu1FANG Chongrong1ZHANG Jian2YU Haixia1WANG Zeng1 ZHU Jieli1YANG Weiming1CHAI Zhenlin1
1.Zhejiang Forestry Product Testing Station, Hangzhou 310023, China;
2.Zhejiang Provincial Key Lab for Bamboo Research,Zhejiang Forestry Academy,Hangzhou 310023,China
Keywords:
Dalbergia odorifera Dalbergia tonkinensi gas-chromatography-mass-spectrometry volatile components fat-soluble ingredients identification
Classification number :
S781
DOI:
10.3969/j.issn.1000-2006.2016.01.016
Document Code:
A
Abstract:
For identifing Dalbergia odorifera and D. tonkinensi accurately, the volatile components and fat-soluble ingredients of D. odorifera and D. tonkinensi are tested with gGC-MS. In detecting volatile components, equilibrium temperature of headspace sampler was one of the main factors that the volatile substance species and quantity increased with increasing of the equilibrium temperature. These two wood species share more than 30 kinds of volatile components with great similarity but little difference in content, which was not characteristic for identification.In detecting fat-soluble ingredients ethyl acetate was the best extraction reagent. Both wood species occupied many similar and different fat-soluble ingredients. Similar ingredients included large amounts of 3,7,11-trimethyl-1,6,10-dodecatrien-3-ol,(6Z)3,7,11-trimethyl-1,6,10-dodecatrien-3-ol and 6,7-epoxide humulene(6Z), which accounted for more than 40% of the total fat-soluble ingredients.D. tonkinensi occupies 5 ingredients with higher content which amount up to 20%-40% of total fat-soluble substance, namely, 3,3',4,4'-tetra-methoxystilbene, 5,7-dihydroxyflavanone, 3-(2,4-dimethoxyphenyl)-7-methoxychroman, 3,4-dihydro-7-methoxy-3-(2,3,4-trimethoxyphenyl)-2H-1-benzopyran and N-[2-(3,4-dimethoxyphenyl)ethyl]-3-methoxy-benzamide. However, these substance add up to less than 1% in D. odorifera, making these two species differentiable. In a word, volatile components resemble but fat-soluble ingredients differed distinctly, which was the basis for identification of D. odorifera and D.tonkinensi with GC-MS.

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Last Update: 2016-02-25