A novel ginseng saponin, a process for producing the same, and an antitumor agent containing the same as an active ingredient

摘要

The present invention relates to compounds of the following structural formulas (I) and (II) which are novel ginseng saponins exhibiting a strong anticancer effect.;(I);(II);The compounds (I) and (II) are novel compounds, which are produced by heating a plant of the genus Ginseng at a high temperature of 110 to 180C for 0.5 to 20 hours, or a ginsenoside Rg^{20 (22)}-Gin Senocide Rg₃The present invention also relates to an antineoplastic composition containing these compounds (I) and (II) as an active ingredient.