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[Phenolics from traditional Chinese medicine Sargentodoxa cuneata]
Ying Tian1, Hui-Juan Zhang, Ai-Ping Tu
1Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing 100850, China.
Aim:
To study the chemical constituents of Sargentodoxa cuneata.
Methods:
To isolate compounds with chromatography technology and to elucidate their structures by spectral analysis.
Results:
Ten phenolics were isolated from Sargentodxa cuneata and their structures were determined as 1-O-(vanillic acid )-6-O-( 3", 5"-dimethoxy-galloyl)-beta-D-glycoside (I), (-)-epicatechin (II), phydroxyphenylethanol ferulate (III), chlorogenic acid (IV), methyl chlorogenate (V), apocynin (VI), vanillic acid (VII), protocatechuic acid (VIII), 3,4-dihydroxy-phenylethanol (IX), tyrosol (X).
Conclusion:
Compound I is new compound, compound III-VI and VIII-X were isolated from Sargentodoxa cuneata for the first time.