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Revista de la Sociedad Química del Perú
versão impressa ISSN 1810-634X
Resumo
COLLANTES DIAZ, Ingrit E; G. GONCALVES, Eduardo e YOSHIDA, Massayoshi. Chemical constituents from tubers of Dracontium spruceanum (Schott) G. Zhu ex Dracontium loretense Krause (Araceae). Rev. Soc. Quím. Perú [online]. 2011, vol.77, n.2, pp.117-126. ISSN 1810-634X.
This work describes phytochemical analysis of an Araceae species Dracontium spruceanum (Schott) G.Zhu, which occurs in Amazon region and is popularly used against snakebite and treatment of some diseases. The solvent partitions and chromatographic fractionations of extract afforded sitosterol (I), stigmasterol (II), 3-ß-hydroxycolest-5-en-7-one (III), p- hydroxybenzaldehyde (IV), p-hydroxybenzoic acid (V), acyl-glycosyl sitosterol (VI), acyl- glycosyl-7-oxo-sitosterol (VII), sitosteryl-glycoside (VIII), sucrose (IX). The polar fractions were acetylated before the purification and the isolation through chromatographic techniques yielded a mixture of peracetylated carbohydrates: 2,3,4,6-tetra-O-acetyl-1-ethylglucose (X), which was identified by spectroscopic analysis [GC-MS, 13CNMR and 1HNMR].
Palavras-chave : Dracontium spruceanum (Schott) G.Zhu; steroid; steroid glycoside; acylglycosylsteroid.