Shukla Y N, Thakur R S, Pachaly P
Central Institute of Medicinal and Aromatic Plants, Lucknow, India.
Phytochemistry. 1992 Mar;31(3):1046-8. doi: 10.1016/0031-9422(92)80071-l.
A novel triterpenoid saponin, pseudo-ginsenoside-RI3, isolated from the rhizomes of Panax pseudo-ginseng subsp. himalaicus var. angustifolius has been characterized as 3-O-beta-D-glucopyranosyl(1----2)-beta-D-glucuronopyranosyl (1----6)-beta-D-glucopyranosyl 28-O-beta-D-xylopyranosyl-olean-12-en-28-oic acid ester by physicochemical methods.