[Studies on the chemical constituents of the ethyl acetate portion of Nervilia fordii].
OBJECTIVE
To study the chemical constituents of the ethyl acetate portion in the herb of Nervilia fordii from guangxi.


METHODS
The constituents were separated and purified by using column chromatography with silica gel. These compounds were identified by their physical and spectral data.


RESULTS
Five compounds were isolated and identified as norleucine (crystal I), 24 (S/beta)-dihydrocycloeucalenol-(E)-p-hydroxy cinnamate (crystal II) , rhamnocitrin (crystal III), rhamnazin (crystal IV), daucosterol (crystal V).


CONCLUSIONS
Compounds I , II, III, IV, V were isolated from this plant for the first time.
Zhen
Han-shen
HS
Guangxi University of Traditional Chinese Medicine, Nanning 530001, China.
Zhou
Yan-yuan
YY
Yuan
Ye-fei
YF
Mo
Huan-heng
HH
Zhong
Zhen-guo
ZG
Liang
Chen-yan
CY
D000085:Acetates; D005419:Flavonoids / Q000737:chemistry / Q000302:isolation & purification*; D009682:Magnetic Resonance Spectroscopy / Q000379:methods; D015394:Molecular Structure; D009646:Norleucine / Q000737:chemistry / Q000302:isolation & purification*; D029595:Orchidaceae / Q000737:chemistry*; D010946:Plants, Medicinal / Q000737:chemistry*; D012855:Sitosterols / Q000737:chemistry / Q000302:isolation & purification
D000085:Acetates; D005419:Flavonoids; D012855:Sitosterols; C007650:ethyl acetate; D009646:Norleucine; C011015:lyoniside