New flavonol glycosides from Aconitum burnatii Gayer and Aconitum variegatum L.

作者：Vitalini Sara; Braca Alessandra^*; Passarella Daniele; Fico Gelsomina

来源：Fitoterapia, 2010, 81(7): 940-947.

DOI：10.1016/j.fitote.2010.06.012

• Aconitum burnatii
• Aconitum variegatum
• Ranunculaceae
• Flavonol glycosides
• Antioxidant activity

Six flavonol glycosides, compounds 1-3 from A. burnatii Gayer and 4-6 from A. variegatum L, were obtained from their methanol extracts of aerial parts. The identified structures were quercetin 3-O-beta-D-glucopyranoside-7-O-(6-E-p-coumaroyl)-beta-D-glucopyranosyl-(1 -> 3)-alpha-L-rhamnopyranoside (1), quercetin 3-O-beta-D-glucopyranoside-7-O-beta-D-oglucopyranosyl-(1 -> 3)-alpha-L-rhamnopyranoside (2), quercetin 3-O-beta-D-glucopyranoside-7-O-(6-E-caffeoyl)-beta-D-glucopyranosyl-(1 -> 3)-alpha-L-rhamnopyranoside (3), kaempferol 3-O-beta-D-galactopyranoside-7-O-alpha-L-arabinopyranoside (4), quercetin 3-O-beta-D-glucopyranoside (5), and kaempferol 3-O-beta-D-glucopyranoside (6). Compounds 1, 2 and 4 were isolated for the first time. The antioxidant potential of the methanol extracts and pure compounds was tested with different assays.

• 出版日期2010-10