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  • Title: Triterpenoid saponins from Madhuca butyracea.
    Author: Li XC, Liu YQ, Wang DZ, Yang CR, Nigam SK, Misra G.
    Journal: Phytochemistry; 1994 Oct; 37(3):827-9. PubMed ID: 7765693.
    Abstract:
    Further investigation of the seeds of Madhuca butyracea yielded two new triterpenoid saponins, namely butyrosides C and D whose structures were established by means of chemical and spectral analyses as 3-O-beta-D-glucuronopyranosyl protobassic acid 28-O-alpha-L-rhamnopyranosyl(1-->3)-beta-D- xylopyranosyl(1-->4)-alpha-L-rhamnopyranosyl(1-->2)-alpha-L-arabinopy ranoside and 3-O-beta-D-glucuronopyranosyl 16 alpha-hydroxy protobassic acid 28-O-beta-D-apiofuranosyl(1-->3)-beta-D-xylopyranosyl(1-->4)-alpha -L- rhamnopyranosyl(1-->2)-alpha-L-arabinopyranoside, respectively.
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