Extraction and Isolation of Kaempferol Glycosides from the Leaves and Twigs of Lindera neesiana
2019
The hydroalcoholic extract of leaves and twigs of Lindera neesiana (Wall. ex Nees) Kurz (Lauraceae) was subjected to various column chromatographic methods that isolated five kaempferol glycosides: kaempferol 3-O-β-glucopyranosyl(1→2)-[α-rhamnopyranosyl-(1→6)]-β- glucopyranoside-7-O-α-rhamnopyranoside (1); kaempferol 3-O-β-glucopyranosyl-(1→2)-[α-rhamnopyranosyl (1→6)]-β-glucopyranoside (2); kaempferol 3-O-β-glucopyranosyl(1→2)- α-rhamnopyranoside-7-O-α-rhamnopyranoside (3); kaempferol 3-O-sophoroside (4); and kaempferol 3-O-α-rhamnopyranoside (5). The extract showed moderate free radical scavenging activity and potent pancreatic lipase inhibitory activity.
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