Abstract

Abstract Three new cycloartane glycosides, named cyclotricuspidosides A, B and C, were isolated from the leaf and stem parts of Trichosanthes tricuspidata . The structure of the compounds have been determined as 28,31-di- O -β- d -glucopyranosides of 1α,3β,24ξ,31-tetrahydroxy-24ξ,-methyl-cycloartan-28-oic acid, 1α,3β,16β,24ξ,31-pentahydroxy-24ξ,-methylcycloartan-28-oic acid and 1α,3β,16α,24ξ,31-pentahydroxy-24ξ,-methylcycloartan-28-oic. These structural elucidations were based on analyses of chemical and spectroscopic data.

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