Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
Notes
Medicinal Foodstuffs. XXVII. Saponin Constituents of Gotu Kola (2): Structures of New Ursane- and Oleanane-Type Triterpene Oligoglycosides, Centellasaponins B, C, and D, from Centella asiatica Cultivated in Sri Lanka
Hisashi MATSUDAToshio MORIKAWAHiroki UEDAMasayuki YOSHIKAWA
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2001 Volume 49 Issue 10 Pages 1368-1371

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Abstract

Ursane- and oleanane-type triterpene oligoglycosides, centellasaponins B, C, and D, were isolated from the aerial parts of Centella asiatica (L.) URBAN cultivated in Sri Lanka together with madecassoside, asiaticoside, asiaticoside B, and sceffoleoside A. The chemical structures of centellasaponins B, C, and D were determined on the basis of chemical and physicochemical evidence to be madecassic acid 28-O-β-D-glucopyranosyl(1→6)-β-D-glucopyranoside, madasiatic acid 28-O-α-L-rhamnopyranosyl(1→4)-β-D-glucopyranosyl(1→6)-β-D-glucopyranoside, and 3β,6β,23-trihydroxyolean-12-en-28-oic acid 28-O-α-L-rhamnopyranosyl(1→4)-β-D-glucopyranosyl-(1→6)-β-D-glucopyranoside, respectively.

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© 2001 The Pharmaceutical Society of Japan
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