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      An HPLC-DAD method to quantification of main phenolic compounds from leaves of Cecropia Species

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          Abstract

          An efficient and reproducible HPLC-DAD method was developed and validated for the simultaneous quantification of major compounds (chlorogenic acid, isoorientin, orientin and isovitexin) present in the leaves of two Cecropia species, C. glaziovii and C. pachystachya. From the leaves of C. glaziovii and C. pachystachya were isolated the C-glycosylflavones isoorientin and isovitexin and identified on both species chlorogenic acid (3-O-caffeoylquinic acid) and the O-glycosylflavonol isoquercitrin. The C-glycosylflavone orientin was isolated only from C. pachystachya. Chlorogenic acid was the major compound in both species (11.1 mg g-1 of extract of C. glaziovii and 27.2 mg g-1 of extract of C. pachystachya) and for the flavonoids quantified, isovitexin was the main C-glycosylflavonoid for C. glaziovii (4.6 mg g-1 of extract) and isoorientin the main one for C. pachystachya (17.3 mg g-1 of extract).

          Translated abstract

          Um método eficiente e reprodutível por CLAE-DAD foi desenvolvido e validado para quantificação simultânea dos compostos fenólicos majoritários (ácido clorogênico, isoorientina, orientina e isovitexina) presentes nas folhas de duas espécies de Cecropia, C. glaziovii e C. pachystachya. Das folhas de C. glaziovii e C. pachystachya foram isolados os flavonoides C- glicosídeos isoorientina e isovitexina e identificados em ambas as espécies o ácido clorogênico (ácido 3-O-cafeoilquínico) e o flavonoide O-glicosídeo isoquercitrina. O flavonoide C-glicosídeo orientina foi isolado apenas da espécie C. pachystachya. O ácido clorogênico mostrou-se como composto majoritário em ambas as espécies analisadas (11,1 mg g-1 de extrato de C. glaziovii e 27,2 mg g-1 de extrato de C. pachystachya), e em relação aos flavonoides quantificados, isovitexina se apresentou como o flavonoide C-glicosídeo majoritário para C. glaziovii (4,6 mg g-1 extrato) e isoorientina majoritário para C. pachystachya (17,3 mg g-1 de extrato)

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          Most cited references 30

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                jbchs
                Journal of the Brazilian Chemical Society
                J. Braz. Chem. Soc.
                Sociedade Brasileira de Química (São Paulo )
                1678-4790
                June 2011
                : 22
                : 6
                : 1096-1102
                Affiliations
                [1 ] Universidade Federal de Santa Catarina Brazil
                Article
                S0103-50532011000600014
                10.1590/S0103-50532011000600014
                Product
                Product Information: website
                Categories
                CHEMISTRY, MULTIDISCIPLINARY

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