Resumo

COLLANTES DIAZ, Ingrit E, G. GONCALVES, Eduardo e YOSHIDA, Massayoshi. Constituyentes químicos del túbero de Dracontium spruceanum (Schott) G.Zhu ex Dracontium loretense Krause (Araceae). Rev. Soc. Quím. Perú, abr./jun. 2011, vol.77, no.2, p.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.