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Immunomodulatory sesquiterpene glycosides from Dendrobium nobile
Qinghua Ye1, Guowei Qin, Weimin Zhao
1Shanghai Institute of Materia Medica, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shinghai 200031, People's Republic of China.
Phytochemistry
|November 28, 2002
Abstract:
Four sesquiterpene glycosides with alloaromadendrane, emmotin, and picrotoxane type aglycones were isolated from the stems of Dendrobium nobile Lindl (Orchidaceae). Their structures were determined by spectroscopic methods and chemical reactions. Immunomodulatory activity of the isolates was evaluated in vitro.