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  • Title: [Further study on dammarane saponins of leaves of Panax japonicus var. major collected in Quinling Mountains China].
    Author: Wang DQ, Feng BS, Wang XB, Yang CR, Zhou J.
    Journal: Yao Xue Xue Bao; 1989; 24(8):633-6. PubMed ID: 2618710.
    Abstract:
    In continuation of our studies on the leaves of Panax japonicus var. major (Burk.) Wu et Feng, two new dammarane saponins are isolated. By means of FAB-MS and 13CNMR, their structures were elucidated as dammar-22(23)-ene-3 beta, 6 alpha, 12 beta, 20(S), 24 section-pentaol- (20-O-beta-D-glucopyranosyl)-6-O-alpha-L-rhamnopyranosyl (1-2)-beta-D- glucopyranoside (majorosids F5) and dammar-23(24)-ene-3 beta, 6 alpha, 12 beta, 20(S), 25-pentaol-(20-O-beta-D- glucopyranosyl)-6-O-alpha-L-rhamnopyranosyl(1-2)-beta-D-glucopyranoside (majoroside F6).
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