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白木香品种‘热科2号’沉香化学成份的GC-MS分析 被引量:9

The GC-MS Analysis of the Chemical Composition of Agarwood from Aquilaria sinensis’Reke2’
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摘要 白木香人工规模栽培已有40年之久,但关于白木香优良品种系统评价的报道较少。为了评价白木香品种‘热科2号’(琼R-ETS-AS-003-2017)所产沉香的化学成份特征,分别对‘热科2号’17个沉香样品的化学成份进行GC-MS分析。结果表明,在‘热科2号’沉香样品的化学成份中,2-(2-苯乙基)色酮类化合物的相对含量较高,倍半萜类化合物的相对含量较低。不同‘热科2号’沉香样品的化学成份的GC-MS指纹图谱相似度为0.55~0.99,相对含量较高的共有成份为2-[2-(4-甲氧基苯)乙基]色酮、2-[2-(3-羟基-4-甲氧基苯)乙基]色酮、2-(2-苯乙基)色酮和2-[2-(3-甲氧基-4-羟基苯)乙基]色酮。这4种色酮类化合物相对含量总和平均为93.16%,比普通白木香沉香的相关成分的相对含量显著提高,其中2-(2-苯乙基)色酮和2-[2-(4-甲氧基苯)乙基]色酮的相对含量之和平均为64.01%,与"奇楠"沉香的化学成分特征相似。 Aquilaria sinensis has been cultivated for 40 years,but there were few reports about the systematic evaluation of its fine varieties.In order to evaluate the chemical composition characteristics of agarwood produced by A.sinensis’Reke2’(R-ETS-AS-003-2017),the chemical composition of 17 batches of agarwood samples from A.sinensis’Reke2’was analyzed by using GC-MS.The results indicated that the relative content of 2-(2-phenyl ethyl)chromone was higher and that the relative content of sesquiterpenoids was lower in the chemical composition of agarwood samples from A.sinensis’Reke2’.The GC-MS fingerprint of the chemical composition of different batches of agarwood samples from A.sinensis’Reke2’had a similarity of between 0.55 and 0.99,and the components of the agarwood samples with higher content included 2-[2-(4-methoxyphenyl)ethyl]chromone,2-[2-(3-hydroxy-4-methoxyphenyl)ethyl]chromone,2-(2-phenylethyl)chromone and 2-[2-(3-methoxy-4-hydroxyphenyl)ethyl]chromone.The average relative content of these four chromone compounds was 93.16%,which was significantly higher than that of the related components of the agarwood samples from common A.sinensis.The average of the sum of the relative contents of 2-(2-phenylethyl)chromone and 2-[2-(4-methoxyphenylethyl)]chromone among the four chromone compounds was 64.01%,which was similar to that of the chemical components of’Qi Nan’agarwood.
作者 王宇光 王军 杨锦玲 蔡彩虹 盖翠娟 梅文莉 戴好富 WANG Yuguang;WANG Jun;YANG Jinling;CAI Caihong;GAI Cuijuan;MEI Wenli;DAI Haofu(Institute of Tropical Bioscience and Biotechnology,CATAS/Hainan Engineering Research Center of Agarwood,Haikou,Hainan 571101,China)
出处 《热带农业科学》 2020年第7期79-89,共11页 Chinese Journal of Tropical Agriculture
基金 海南省重点研发项目(No.ZDYF2019062) 海南省重点研发项目(No.ZDYF2017046) 中央财政林业科技推广示范资金(No.琼[2017]TG05号) 海南自然科学基金创新研究团队项目(No.2017CXTD020)。
关键词 ‘热科2号’沉香 化学成分特征 GC-MS指纹图谱 评价 agarwood from Aquilaria sinensis’Reke2’ chemical composition characteristics GC-MS fingerprint evaluation
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