Flavonoids from the leaves of Castanopsis fordii / 中成药
Chinese Traditional Patent Medicine
; (12): 2090-2093, 2017.
Article
in Zh
| WPRIM
| ID: wpr-660560
Responsible library:
WPRO
ABSTRACT
AIM To study the chemical constituents from the leaves of Castanopsis fordii Hance.METHODS The 80% ethanol extract from C.fordii leaves was isolated and purified by Sephadex LH-20,MCI,silica and semi-preparative column,then the structures of obtained compounds were identified by spectral data.RESULTS Nine compounds were isolated and identified as quercetin (1),quercetin 3-O-α-L-rhamnopyranoside (2),myricetin 3-rhamnoside (3),myricetin-3-O-(2"-O-galloyl)-α-rhamnopyranoside (4),quercetin 3-O-(2"-O-galloyl)-α-rhamnopyranoside (5),kaempferol-3-O-glucorhamnoside (6),3,5,7,3',5'-pentahydroxy-(2R,3R)-flavanonol 3-O-α-L-rhamnopyranoside (7),astilbin (8),isastilbin (9).CONCLUSION Compounds 2,3 are isolated from this plant for the first time,compounds 1,4-9 are first obatined from genus Castanopsis.
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WPRIM
Language:
Zh
Journal:
Chinese Traditional Patent Medicine
Year:
2017
Type:
Article