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题名: Paleophytochemical Constituents from the Pliocene Fossil Wood of Pinus Armandii from Longling, Yunnan
作者: Zhao Youxing1; Li Chengsen2; Yi Tiemei2; null(罗晓东)1; Zhou Jun1
刊名: ACTA GEOLOGICA SINICA-ENGLISH EDITION
关键词: Pliocene ; wood constituents ; stilbenoids ; phytochemistry ; Pinus armandii
英文摘要: Specimens of fossil wood preserved lignified in Pliocene brown coal and identified as Pinus armandii Francher come from an opencast coalmine at Longling in western Yunnan Province, China. Phytochemical investigation of the fossil wood isolated using liquid column chromatography seven compounds (1-7) including a new fluorene derivative named 11,11-dimethyl-11H-benzo[b]fluorene. A further 28 volatiles were detected by gas chromatography-mass spectrometry (GC-MS). Spectroscopic investigation methods, including MS and 1D and 2D-NMR techniques elucidated the structure of the seven compounds. Two types of natural products, isopimara and stilbene commonly occuring in extant and Pliocene fossil P armandii indicate phytochemical fidelity during burial under certain circumstances in sediments. Discovery of stilbenes that can inhibit the activities of wood-destroying fungi in the Pliocene P armandii prompts the assumption that the chemical preservation of this Pliocene fossil wood of R armandii in brown coal might contribute to the presence of inner natural inhibitors against wood-destroying fungi.
出版日期: 2008-12-01
卷号: 82, 期号:6, 页码:1146-1151
语种: 英语
收录类别: SCI
学科分类: Geosciences; Multidisciplinary
ISSN号: 1000-9515
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/4004
Appears in Collections:植物化学与西部植物资源持续利用国家重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources W China, Kunming 650204, Peoples R China
2.Chinese Acad Sci, Inst Bot, Beijing 100093, Peoples R China

Recommended Citation:
Zhao, YX; Li, CS; Yi, TM; Luo, XD; Zhou, J.Paleophytochemical Constituents from the Pliocene Fossil Wood of Pinus Armandii from Longling, Yunnan,ACTA GEOLOGICA SINICA-ENGLISH EDITION,2008,82(6):1146-1151
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