期刊
JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH
卷 14, 期 9, 页码 856-861出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/10286020.2012.700925
关键词
Gynostemma pentaphyllum; dammarane type; gypenbioside A; gypenbioside B; cytotoxic activity
Two new dammarane-type triterpene saponins, gypenbiosides A (1) and B (2), were isolated from the aerial parts of Gynostemma pentaphyllum (Thunb.) Makino. Their structural elucidations were accomplished mainly on the basis of the interrelation of spectroscopic methods, such as IR, HR-TOF-MS, and NMR. The cytotoxic activity was evaluated against one human cancer cell line HL-60 using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay.
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