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  • Title: Two new triterpenoid saponins from Platycodon grandiflorum.
    Author: Nikaido T, Koike K, Mitsunaga K, Saeki T.
    Journal: Chem Pharm Bull (Tokyo); 1999 Jun; 47(6):903-4. PubMed ID: 10399842.
    Abstract:
    Two new triterpenoid saponins, platycoside D [3-O-beta-D-glucopyranosyl-(1-->6)-beta-D-glucopyranosyl-(1-->6)-beta-D- glucopyranosyl-2 beta, 3 beta, 16 alpha, 23-tetrahydroxyolean-12-ene-28-oic acid 28-O-beta-D- apiofuranosyl-(1-->3)-beta-D-xylopyranosyl-(1-->4)-alpha-L-rhamnop yranosyl- (1-->2)-alpha-L-arabinopyranoside] and platycoside E [3-O-beta-D-glucopyranosyl-(1-->6)-beta-D-glucopyranosyl- (1-->6)-beta-D-glucopyranosyl-2 beta,3 beta,16 alpha,23,24-pentahydroxyolean-12-ene-28-oic acid 28-O-beta-D-apiofuranosyl-(1-->3)-beta-D-xylopyranosyl-(1-->4)-alp ha-L- rhamnopyranosyl-(1-->2)-alpha-L-arabinopyranoside] were isolated from the roots of Platycodon grandiflorum. Structural determination is based on spectral and chemical evidence.
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