Cytotoxic activity and chemical profile of methanolic extract obtained from Avelós stem (Euphorbia tirucalli L.) Euphorbiaceae
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2020
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REUNIÃO ANUAL VIRTUAL DA SBQ, 43.
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Avelós (Euphorbia tirucalli Linnaeus), a plant selected for this study, has been popularly used in the fight against
tumors, arousing the interest of researchers in this area so that it can be used safely in the auxiliary treatment of
different types of cancer.1 It belongs to the family Euphorbiaceae and to the genus Euphorbia, it is also the object of
studies related to the treatment of a range of infectious and inflammatory diseases. Herbaceous much used by popular
and traditional medicine, presents, a latex rich in molecules that confirm its high toxicity. The objective of this research
was to verify the chemical profile of the metanolic extract obtained from the stem (modified leaves) of the plant in
question and to determine the cytotoxicity of the crude extract by cytotoxic assay against the lineages of
adenocarcinoma (MCF-7) and neoplastic cells of human melanoma (SK-MEL-37).2 For this, the plant was collected,
and after drying and milling the material was extracted with methanol. Subsequently, the present compounds were
separated by the thin-layer chromatography technique and the classes of substances found in the extract were
identified by the technique of Nuclear Magnetic Resonance of Hydrogen and Carbon-13 (NMR).3 The combination of
cyclohexane with Acetone and Hexane (5: 3: 2) provided a suitable polarity for the elution of the extract, which was
revealed with ultraviolet detection and different reagents: sulfuric acid solutions; aluminum chloride; ferric chloride;
10% potassium hydroxide in ethanol; green bromocresol indicator solution; potassium permanganate, Dragendorff
Reagent, vanillin and iodine vapors. The phytochemical study of the methanolic extract of Euphorbia tirucalli allowed
to identify the presence of phenolic compounds, flavonoids and terpenes, a result that was confirmed by NMR spectra.
The cytotoxic potential assays, although they are in low concentration thus altering the result, show that the methanolic
extract of Euphorbia tirucalli shows activity against the tested cell lines. The observed activity may be related, according
to information available in the literature, with the classes identified in the samples studied.
Como referenciar
RUSSO, DANIELA C.; AMARAL, KLEICY C.; CALDAS, LHAIS A.; VIEIRA, DANIEL P.; SARTORELLI, PATRICIA; RIBEIRO FILHO, WALDEMAR A. Cytotoxic activity and chemical profile of methanolic extract obtained from Avelós stem (Euphorbia tirucalli L.) Euphorbiaceae. In: REUNIÃO ANUAL VIRTUAL DA SBQ, 43., 5-16 de outubro, 2020, Virtual. Resumo... Campinas: Galoá, 2020. Disponível em: http://200.136.52.105/handle/123456789/31697. Acesso em: 20 Mar 2026.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.