Two minor saponins were isolated from the leaves of P. ginseng and their struc-tures were elucidated as 3β,12β, 20(S)-trihydroxyl-dammar-24(25)-ene-(20-O-α-L-arabinofurano-syl(1→6)-β-D-glucopyranosyl)-3-O-β-D-gl...Two minor saponins were isolated from the leaves of P. ginseng and their struc-tures were elucidated as 3β,12β, 20(S)-trihydroxyl-dammar-24(25)-ene-(20-O-α-L-arabinofurano-syl(1→6)-β-D-glucopyranosyl)-3-O-β-D-glucopyranoside (1),and 3β,12β, 20(S)-trihydroxyl-dam-mar-24(25)-ene-(20-O-α-L-arabinopyranosyl(1→6)-β-D-glucopyranosyl)-3-O-β-glucopyranoside(2),respectively The fonner corresponds to notoginsenoside-Fe which is isolated for the first time from the title plant The latter is a new natural product and named as ginsenoside-Rd2.展开更多
文摘Two minor saponins were isolated from the leaves of P. ginseng and their struc-tures were elucidated as 3β,12β, 20(S)-trihydroxyl-dammar-24(25)-ene-(20-O-α-L-arabinofurano-syl(1→6)-β-D-glucopyranosyl)-3-O-β-D-glucopyranoside (1),and 3β,12β, 20(S)-trihydroxyl-dam-mar-24(25)-ene-(20-O-α-L-arabinopyranosyl(1→6)-β-D-glucopyranosyl)-3-O-β-glucopyranoside(2),respectively The fonner corresponds to notoginsenoside-Fe which is isolated for the first time from the title plant The latter is a new natural product and named as ginsenoside-Rd2.
