Matrix metalloproteinase-1 expression inhibitory compound from the whole plants of Viola ibukiana Makino

Bioassay-guided fractionation has led to the isolation of two triterpenoid saponins 3-O-[O-beta-D-glucopyranosyl-(1 --> 3)-O-beta-D-glucopyranosyl] oleanolic acid (1), and 3-O-[O-beta-D-glucopyranosyl-(1 --> 2)-O-beta-D-glucopyranosyl] oleanolic acid (2) from the whole plants of Viola ibukiana Makino. Compound 2 showed matrix metalloproteinase-1 expression inhibition activities in a dose-dependent manner.     

Triterpenoid saponin from<Emphasis Type="Italic">viola hondoensis</Emphasis> W. Becker et H Boss. and their effect on mmp-1 and type i procollagen expression

Bioassay-guided fractionation has led to the isolation of triterpenoid saponins such as Acutoside A (3-omicron-[omicron-beta-D-glucopyranosyl-(1 --> 2)-omicron-beta-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.     

紫花地丁的化学成分

目的：对紫花地丁（Violayedoensis Makino）的化学成分进行研究。方法：采用色谱法进行化合物的分离纯化,通过波谱数据和理化性质鉴定化合物结构。结果：分离并鉴定出11个化合物,其中6个香豆素类：秦皮乙素（1）、东莨菪素（2）、菊苣苷（3）、早开堇菜苷（4）、秦皮甲素（5）、双七叶内酯（6）;3个黄酮类：槲皮素-3-O-β-D-葡萄糖苷（7）、山柰酚-3-O-β-D-葡萄糖苷（8）、芹菜素（9）;2个甾醇类：β-谷甾醇（10）、胡萝卜苷（11）。结论：秦皮甲素、胡萝卜苷为首次从堇菜属植物中分得;槲皮素-3-O-β-D-葡萄糖苷、山柰酚-3-O-β-D-葡萄糖苷、菊苣苷、早开堇菜苷、芹菜素均为首次从紫花地丁中分得。