Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials 2014-Jun
[Chemical constituents from roots of Rubus parvifolius].
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OBJECTIVE
To investigate the chemical constituents from the roots of Rubus parvifolius.
METHODS
The chemical constituents were isolated by silica gel column chromatography, Sephadex LH-20, as well as preparative high performance liquid chromatography. Their structures were identified on the basis of physicochemical properties and NMR analysis.
RESULTS
Six comounds were isolated and identified as 3-O-Acetyl-11α, 12α-epoxy-oleanan-28,β-olide( I ) ,3-O-Acetyl-pomolic acid( II ), Ursolic acid( Ill),Ursolic acid acetate (1V ), Euscaphic acid ( V) and β-Sitosterol ( VI).
CONCLUSIONS
Compounds I , II and IV are isolated from Rubus parvifolius for the first time.
