Figure 3From: Chemopreventive effect of Copaifera langsdorffii leaves hydroalcoholic extract on 1,2-dimethylhydrazine-induced DNA damage and preneoplastic lesions in rat colon A, B and C Chromatographic profile of the hydroalcoholic extract of the leaves of C. langsdorffii at 257 nm (A); Chromatogram of the standard quercetin-3-O- α -L-rhamnopyranoside 1 (B); Chromatogram of the standard kaempferol-3-O- α -L-rhamnopyranoside 2 (C). Back to article page