Chemical Profile and Cytotoxic Activity of Leaf Extracts from Senna spp. from Northeast of Brazil

AUTOR(ES)

Silva, Juliana G. A., Silva, Alexander A., Coutinho, Isabel D., Pessoa, Claudia O., Cavalheiro, Alberto J., Silva, Maria G. V.

FONTE

J. Braz. Chem. Soc.

DATA DE PUBLICAÇÃO

2016-10

RESUMO

Methanolic, diethyl ether and n-hexane extracts of leaves of four species of Senna (S. gardneri, S. macranthera, S. splendida and S. trachypus) were analyzed by gas chromatography coupled to mass spectrometry (GC-MS). Using linear retention indices and mass spectral data, 34 compounds were identified, including fatty acids, flavonoids, terpenoids and steroids that were not reported previously for these species. Additionally, the cytotoxicity of the extracts against different tumor cell lines was determined. The cytotoxicity was then correlated with the chemical composition of the extracts by partial least squares-discriminant analysis (PLS-DA). The n-hexane extract of S. gardneri and the ethyl ether extract of S. splendida were the most active against human colon (59.75 and 31.37%, respectively) and human glioblastoma (52.85 and 48.28%, respectively) cell lines.

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