Estudos fi toquímicos feitos com diferentes espécies do gênero Erythroxylum (pertencente à família Erythroxylaceae) levaram ao isolamento de vários metabólitos secundários como fl avonóides e alcalóides, bem como taninos, terpenos e fenilpropanóides que apresentam atividades anti-oxidantes, anti-cancerígenas, atividade anti-infl amatória dentre outras. O presente trabalho teve como objetivo principal realizar o estudo fi toquímico das frações do extrato metanólico das folhas de Erythroxylum deciduum A. St.-Hill, visando o isolamento e identifi cação de substâncias, bem como avaliar a atividade antitumoral das células K562 de leucemia mielóide crônica do extrato metanólico dos frutos de E. deciduum. Palavras-chave: Erythroxylum deciduum, 7,4'-dimetoxi-quercentina-3-O-β-Dglicopiranosídeo, atividade antitumoral.Phytochemical studies made with different species of Erythroxylum (belonging to the family Erythroxylaceae) led to the isolation of several secondary metabolites such as fl avonoids and alkaloids, and tannins, terpenes and phenylpropanoids activities that have anti-oxidant, anti-carcinogenic, anti-infl ammatory activity among other. The present work was aimed at providing the phytochemical study of fractions of the methanol extract of leaves of Erythroxylum deciduum A. St.-Hill, aiming at the isolation and identifi cation of substances, as well as evaluating the antitumor activity of K562 cells from chronic myeloid leukemia methanol extract of fruits of E. deciduum.
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