Two new triterpenoid glycosides, quinovic acid-3 beta-O-beta-D- glucopyranosyl-(1-->4)-alpha-L-rhamnopyranoside and quinovic acid-3 beta-O-beta-D-glucopyranosyl-(1-->3)-beta-D-fucopyranoside (named rubelloside A and B, respectively), were isolated from roots of Adina rubella. Their structures were
From the roots of Adina rubella, four new quinovic acid glycosides, quinovic acid 3-O-beta-D-glucopyranosyl(1-->4)-beta-D-fucopyranoside, quinovic acid 3-O-beta-D-glucopyranosyl(1-->4)-beta-D-fucopyranosyl-(28-->1)-beta-D- glucopyranosyl ester, quinovic acid
Four new dimeric phenolic glycosides (1- 4), a new iridoid diglycoside (5), and 15 known glycosides have been isolated from an ethanolic extract of the bark of Adina polycephala. Their structures were determined by spectroscopic and chemical methods. Compounds 1, 3, and 5 showed in vitro inhibitory
From the dried leaves, flowers, and twigs of Adina racemosa, five new flavonoid glycosides, quercetin 3-O-alpha-l-rhamnopyranosyl(1-->6)-(3-O-trans-p-coumaroyl)-beta-d-galactopyranoside (1), quercetin
OBJECTIVE
To investigate chemical constituents of the stems and branches of Adina polycephala and their pharmacological activities.
METHODS
The constituents were isolated by a combination of various chromatographic techniques including column chromatography on silica gel, Sephadex LH-20, and C-18,
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