[Chemical constituents from twigs of Garcinia xipshuanbannaensis].
OBJECTIVE
To study the chemical constituents of the twigs of Garcinia xipshuanbannaensis.


METHODS
The compounds were isolated by column chromatography with silica gel, RP-18 and Sephadex LH-20, and their structures were elucidated by spectroscopic analysis.


RESULTS
Fifteen compounds were obtained and identified, which were bannaxanthone E (1), xanthochymol (2), isoxanthochymol (3), cycloxanthochymol (4), osajaxanthone (5), gentisein (6), mangostinone (7), kaempferol (8), quercetin (9), vitexin (10), 2"-O-acetylvitexin (11), 3-acetoxyoleanolic acid (12), (-)-epicatechin (13), beta-sitosterol (14) and daucosterol (15), respectively.


CONCLUSIONS
Compounds 4-9 and 11-13 were isolated from the plant and compounds 11-13 were obtained from the genus Garcinia for the first time.
Na
Zhi
Z
Xishuangbanna Tropical Botanical Garden, the Chinese Academy of Sciences, Mengla 666303, China. nazhi@xtbg.org.cn
Xu
Youkai
Y
D004365:Drugs, Chinese Herbal / Q000737:chemistry* / Q000302:isolation & purification; D029760:Garcinia / Q000737:chemistry*; D018547:Plant Stems / Q000737:chemistry
D004365:Drugs, Chinese Herbal