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Rhamnetin 3-p-coumaroylrhamninoside from Rhamnus petiolaris.

From the berries of Rhamnus petiolaris a new acylated flavonol glycoside was isolated and identified as rhamnetin 3-O-[3""-O-(p-coumaroyl)-alpha-L-rhamnopyranosyl(1-->3)- alpha-L-rhamnopyranosyl(1-->6)]-beta-D-galactopyranoside. Additionally, five known flavonol glycosides, rhamnetin, rhamnazin, quercetin and kaempferol 3-rhamninosides, and quercetin 3-rhamnoside were isolated.[1]


  1. Rhamnetin 3-p-coumaroylrhamninoside from Rhamnus petiolaris. Ozipek, M., Caliş, I., Ertan, M., Rüedi, P. Phytochemistry (1994) [Pubmed]
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