Insecticidal activity of the main flavonoids from t he leaves of Kalanchoe beharensis and Kalanchoe longiflora
2014
The flavonoids quercetin , quercetin-3-O-β-L-galactopyranoside, quercetin-3-O-β-Lglucopyranoside, kampferol-3-O-α-L-rhamnopyranoside and kampferol-3,7-di-O-αL-rhamnopyranoside were isolated from the methanolic extracts of the leaves of Kalanchoe beharensis and Kalanchoe longiflora family Crassulaceae using different chromatographic techniques. Identification and stru cture elucidation of the isolated compounds were done using different spectroscopic data and/or by comparing these data with those reported in literature. Methanolic extracts and isolates were tested for their insecticidal activity against cotton leaf wor m, Spodoptera littoralis .
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