[1]李彤彤,李冠君,李家宁*. GC-MS分析比较琼产降香黄檀不同部位材化学成分[J].西北林学院学报,2018,33(5):172-178.[doi:10.3969/j.issn.1001-7461.2018.05.27]
　LI Tong-tong,LI Guan-jun,LI Jia-ning*. Comparison of the Components in Different Parts of Dalbergia odorifera Wood Planted in Hainan by GC-MS[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2018,33(5):172-178.[doi:10.3969/j.issn.1001-7461.2018.05.27]
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 GC-MS分析比较琼产降香黄檀不同部位材化学成分()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第33卷
期数:
2018年第5期
页码:
172-178
栏目:
出版日期:
2018-09-30

文章信息/Info

Title:
 Comparison of the Components in Different Parts of Dalbergia odorifera Wood Planted in Hainan by GC-MS
文章编号:
1001-7461(2018)05-0172-07
作者:
 李彤彤; 李冠君; 李家宁*
 （中国热带农业科学院 橡胶研究所，海南 儋州 571737）
Author(s):
 LI Tong-tong; LI Guan-jun; LI Jia-ning*
 (Rubber Research Institute,Chinese Academy of Tropical Agricultural Sciences,Danzhou,Hainan 571737,China)
关键词:
 ; 降香黄檀; 气质联用; 化学成分; 心材; 边材; 心边材过渡带
Keywords:
Dalbergia odorifera;  GC-MS;  chemical component;  heartwood;  sapwood;  heart-sapwood transition zone
分类号:
S792.28
DOI:
10.3969/j.issn.1001-7461.2018.05.27
文献标志码:
A
摘要:
 以海南岛儋州10年生降香黄檀为研究对象，分别采用不同极性溶剂石油醚、乙酸乙酯、甲醇对降香黄檀木材的心材、心边材过渡带、边材进行提取，并采用气质联用技术（GC-MS）分析其提取物的成分及差异。结果表明，不同溶剂对降香黄檀进行提取，得到的提取物种类较完全。心材中主要含有25种化合物，萜类、醇类、饱和烷烃类物质较多，其中含量最多的成分为6α,11α-二甲氧基-6H-苯并呋喃-［3,2-c］［1］-苯并吡喃（美迪紫檀素），甲醇提取液中含量高达26.07%；心边材过渡带中主要含有酯类、酚类物质；边材中主要含有烷烃类、酯类、酚类、萜类物质。在不同部位材的乙酸乙酯提取液中，发现边材和心边材过渡带也含有心材挥发油主要活性成分反式-橙花叔醇，其含量分别为5.89%、2.83%、1.96%。检索心材成分发现，7-羟基-3-(4-甲氧基苯基)-2H-1-苯并吡喃-2-酮、3,4-二氢-3-(2-羟基-4-甲氧基苯基)-2-氢-1-苯并吡喃-7-醇和7-羟基-3-(4-甲氧基苯基)-4H-1-苯并吡喃-4-酮是合成6α,11α-二甲氧基-6H-苯并呋喃-［3,2-c］［1］-苯并吡喃的中间体。木材内部化合物间发生一系列的生理生化变化，逐渐累积形成心材成分。研究降香黄檀心材、心边材过渡带、边材的成分及其差异，为进一步探究心材形成的影响因素提供依据。
Abstract:
 To investigate the difference in volatile components between different wood parts,samples collected from the heartwood,heart-sapwood transition zone and sapwood of 10-year-old Dalbergia odorifera trees cultivated in Danzhou,Hainan Province were extracted with the solvents with different polarities,such as ethyl acetate,methanol and petroleum ether.The extracts were analyzed by gas chromatography-mass specstroscopy (GC-MS) method.Different kinds of chemicals were found in the extracts of different solvents.About 25 components were found in heartwood,including terpenoids,alcohols and saturated alkanes,in which the largest chemical components in heartwood was 6α,11α-dimethoxy-6H-benzofuran-［3,2-c］［1］-benzopyran (Medicarpin),accounting for 26.07% in methanol extract.While in the samples from the heart-sapwood transition zone,the main components were esters and phenols,and the main components in sapwood were alkanes,esters,phenols and terpenoids.The extract of heart-sapwood transition zone and sapwood also contained trans-nerolidol,the main volatile component in heartwood.The content of trans-nerolidol in heartwood,heart-sapwood transition zone and sapwood of D.odorifera were 5.89%,2.83%,and 1.96%,respectively.It was known from the literature that 7-hydroxy-3-(4-methoxyphenyl)-2H-1-benzopyran-2-one,3,4-dihydro-3-(2-hydroxy-4-methoxyphenyl)-2H-1-Benzopyran-7-ol,and 7-hydroxy-3-(4-methoxyphenyl)-4H-1-Benzopyran-4-one were the precursors for the biosynthesis of 6α,11α-dimethoxy-6H-benzofuran-［3,2-c］［1］-benzopyran,indicating that a series of physiological and biochemical reactions occurred among the chemical components of Dalbergia odorifera,which accumulated gradually to in heartwood.

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备注/Memo

备注/Memo:
 收稿日期：2017-09-14修回日期：2018-05-02
基金项目：海南省重点研发计划项目（ZDYF2016022）。
作者简介：李彤彤，女，硕士研究生，研究方向：木材化学。E-mail:tongxinltt@163.com
*通信作者：李家宁，男，副研究员，研究方向：木材科学与技术。E-mail：ljn206@163.com
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