Studies on chemical constituents of Dioscorea opposita.

Author: Bing BAI ¹ ; Ming-Jing LI ; Yong WANG ; Xiu-Hua LIU
Author Information

1. Henan University, Key Lab of Natural Drug and Immune Engineering of Henan Province, College of Chemistry and Chemical Engineering, Kaifeng 475001, China.
Publication Type:Journal Article
MeSH: Chromatography, Gel; Dioscorea; chemistry; Drugs, Chinese Herbal; chemistry; Magnetic Resonance Spectroscopy; Mass Spectrometry
From: China Journal of Chinese Materia Medica 2008;33(11):1272-1274
CountryChina
Language:Chinese
Abstract:
OBJECTIVETo study the chemical constituents of Dioscorea opposita.
METHODThe chemical constituents were isolated and purified by silica gel column chromatography, and the structures were elucidated by their spectroscopic data and physico-chemical properties.
RESULTTwelve compounds were obtained and identified as palmitic acid (1), beta-sitosterol (2), oleic acid (3), beta-sitosterol acetate (4), 5-(hydroxymethyl)furfural (5), nonanedioic acid (6), beta-daucosterol (7), cyclo-(Phe-Tyr) (8), cyclo-(Tyr-Tyr) (9), 6-methyl citrate (10), 1, 5-dimethyl citrate (11), trimethyl citrate (12).
CONCLUSIONCompounds 3-12 were isolated from this plant for the first time and cyclodipeptides were firstly isolated from the Dioscoreae family; Compound 9 was a new natural product.