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. 2006 Sep;77(6):469-71.
doi: 10.1016/j.fitote.2006.05.018. Epub 2006 May 25.

DPPH radical scavenging activity of two flavonol glycosides from Aconitum napellus sp. lusitanicum

J C Luis  1 , F Valdés, R Martín, A J Carmona, Jesús G Díaz
Affiliations

DPPH radical scavenging activity of two flavonol glycosides from Aconitum napellus sp. lusitanicum

J C Luis et al. Fitoterapia. 2006 Sep.

Abstract

The DPPH radical scavenging activity of two flavonol glycosides obtained from ethanolic extracts of Aconitum napellus sp. lusitanicum was studied. The results showed a high DPPH antiradical activity of compound 1 (quercetin 3-O-(6-trans-caffeoyl)-beta-glucopyranosyl-(1-->2)-beta-glucopyranosyl-7-O-alpha-rhamnopyranoside) when compared with compound 2 (quercetin-3-sophoroside-7-rhamnopyranoside), rutin and ascorbic acid. The relationship between the caffeoyl and rhamnopyranoside groups in the flavonol glycosides structures and the DPPH antiradical activity was also discussed.

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