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Aurapten, a coumarin with growth inhibition against Leishmania major promastigotes BJMBR
Napolitano,H.B.; Silva,M.; Ellena,J.; Rodrigues,B.D.G.; Almeida,A.L.C.; Vieira,P.C.; Oliva,G.; Thiemann,O.H..
Several natural compounds have been identified for the treatment of leishmaniasis. Among them are some alkaloids, chalcones, lactones, tetralones, and saponins. The new compound reported here, 7-geranyloxycoumarin, called aurapten, belongs to the chemical class of the coumarins and has a molecular weight of 298.37. The compund was extracted from the Rutaceae species Esenbeckia febrifuga and was purified from a hexane extract starting from 407.7 g of dried leaves and followed by four silica gel chromatographic fractionation steps using different solvents as the mobile phase. The resulting compound (47 mg) of shows significant growth inhibition with an LD50 of 30 µM against the tropical parasite Leishmania major, which causes severe clinical manifestations...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Coumarin; Aurapten (7-geranyloxycoumarin); X-rays; Leishmania; Inhibitor.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2004001200010
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