Flavonoids of Nothofagus species of Chile.

Abstract

The flavonoids isolated from the leaves and twigs of 9 species of the genus Nothofagus are, orobol 7-0 rhamnoglucoside, quercetin 3-0 rhamnoglucoside, quercetin 3-0 galactoside, 7-4' dihydroxyflavone 7-0 rhamnoglucoside, quercitrin, kaempferol, naringenin and dihydrokaempferol. The paired affinity between the species are calculated and phylogenetic relationship is discussed. Anticancer and antimicrobial activities of ethanol extracts of the leaves and twigs of Nothofagus species is reported.