[Studies on chemical constituents of Smilax china].
OBJECTIVE
To study the chemical constituents of the 95% ethanol extract from the rhizome of Smilax china.


METHODS
Seven compounds were isolated from ethyl acetate fraction of 95% ethanol extract by using repeated silica column chromatography, partition chromatography, preparing TLC, and other methods. Structure of three compounds of them was identified based on chemical methods and spectroscopic methods.


RESULTS
The structure of them were established as dihydrokaempferol-5-O-beta-D-glucoside (I), beta-sitosterol (II), daucosterol (III).


CONCLUSIONS
Compound I was a novel compound which was first found from natural plants.
Ruan
Jinlan
J
College of Pharmacy, Tongji Medical Center of Huazhong University of Science and Technology, Wuhan 430030.
Zou
Jian
J
Cai
Yaling
Y
D005419:Flavonoids / Q000737:chemistry / Q000302:isolation & purification*; D005960:Glucosides / Q000737:chemistry / Q000302:isolation & purification*; D015394:Molecular Structure; D010946:Plants, Medicinal / Q000737:chemistry*; D027343:Rhizome / Q000737:chemistry; D012855:Sitosterols / Q000737:chemistry / Q000302:isolation & purification*; D032281:Smilax / Q000737:chemistry*; D013056:Spectrophotometry, Ultraviolet
D005419:Flavonoids; D005960:Glucosides; D012855:Sitosterols; C025473:gamma-sitosterol; C080220:aromadedrin; C011015:lyoniside