Triterpenoid saponin fromviola hondoensisW. Becker et H Boss. and their effect on mmp-1 and type i procollagen expression

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Bioassay-guided fractionation has led to the isolation of triterpenoid saponins such as Acutoside A (3- O-[O-β-D-glucopyranosyl-(1→2)- O-β-D-glucopyranosyl] oleanolic acid) from the whole plants of Viola hondoensis. Among them, Saponin 1 exhibited potent inhibitory activity against matrix metalloproteinase (MMP)-1, and prevented the UV-induced changes in the MMP-1 expression. In addition, compound was isolated from this plant for the first time.

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