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Phytochemical Variation in Fritillaria cirrhosa D. Don (Chuan Bei Mu) in Relation to Plant Reproductive Stage and Timing of Harvest
Konchar, Katie1,2; Li, Xiao-Li3; Yang, Yong-Ping3; Emshwiller, Eve2
2011-09-01
发表期刊ECONOMIC BOTANY
ISSN0013-0001
卷号65期号:3页码:283-294
摘要Phytochemical Variation in Fritillaria cirrhosa D. Don ( Chuan Bei Mu ) in Relation to Plant Reproductive Stage and Timing of Harvest. Economic development in southwest China and the increasing use of traditional Chinese medicine (TCM) worldwide have led to intensified collection of native medicinal plants. Fritillaria cirrhosa D. Don (Chuan Bei Mu), commonly used for the treatment of cough in TCM, is endemic to the Hengduan Mountain region of southwest China and is under increasing pressure from over-collection and decreasing suitable alpine habitat. The bioactive compounds in F. cirrhosa bulbs, isosteroidal alkaloids, are greatly influenced by environmental conditions and fluctuate in content and concentration with plant age and reproductive stage. Aiming at obtaining useful information for the sustainable management of wild F. cirrhosa populations, we evaluated how the phytochemical composition of F. cirrhosa bulbs varies at various stages of plant reproductive development. Using chemical methods and high-performance liquid chromatography, we extracted and analyzed two major bioactive alkaloids from F. cirrhosa bulb samples collected throughout the Hengduan Mountain region. Plant reproductive stage was found to affect the concentration of bioactive alkaloids in F. cirrhosa bulbs. Bulb alkaloid concentration was highest during the early stages of fruit development and decreased significantly with fruit maturation. These results lend biochemical support to the practice of harvesting F. cirrhosa during the early stages of plant senescence (i.e., early fruit development).
关键词Alkaloids Conservation Hengduan Mountains Local Ecological Knowledge (Lek) Phytochemistry Traditional Chinese Medicine (Tcm)
资助信息University of Wisconsin-Madison (NSF)[0549369]; UW-Madison Botany Department
学科领域Plant Sciences
DOI10.1007/s12231-011-9170-3
收录类别SCI
语种英语
WOS研究方向Plant Sciences
WOS类目Plant Sciences
WOS记录号WOS:000295086600004
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/5189
专题中国科学院青藏高原研究所昆明部
作者单位1.William L Brown Ctr, Missouri Bot Gardens, St Louis, MO 63166 USA
2.Univ Wisconsin, Dept Bot, Madison, WI 53706 USA
3.Chinese Acad Sci, Dept Ethnobot, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China
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GB/T 7714
Konchar, Katie,Li, Xiao-Li,Yang, Yong-Ping,et al. Phytochemical Variation in Fritillaria cirrhosa D. Don (Chuan Bei Mu) in Relation to Plant Reproductive Stage and Timing of Harvest[J]. ECONOMIC BOTANY,2011,65(3):283-294.
APA Konchar, Katie,Li, Xiao-Li,Yang, Yong-Ping,&Emshwiller, Eve.(2011).Phytochemical Variation in Fritillaria cirrhosa D. Don (Chuan Bei Mu) in Relation to Plant Reproductive Stage and Timing of Harvest.ECONOMIC BOTANY,65(3),283-294.
MLA Konchar, Katie,et al."Phytochemical Variation in Fritillaria cirrhosa D. Don (Chuan Bei Mu) in Relation to Plant Reproductive Stage and Timing of Harvest".ECONOMIC BOTANY 65.3(2011):283-294.
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