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RBCF, Rev. bras. ciênc. farm. (Impr.) ; 42(4): 585-588, out.-dez. 2006. ilus
Article in Portuguese | LILACS | ID: lil-446380

ABSTRACT

A análise fitoquímica das partes aéreas de Pterocaulon interruptum DC. (Asteraceae) resultou no isolamento de cinco compostos: uma cumarina, sabandinol, dois esteróides, estigmasterol e 3-O-acetil-taraxasterol e dois flavonóides, quercetina e taxifolina 7-O-prenilada. As estruturas destas substâncias foram estabelecidas por análises espectroscópicas, sendo que este é o primeiro trabalho sobre o isolamento destes compostos em Pterocaulon interruptum DC.


Chemical investigation of the aerial parts of Pterocaulon interruptum DC., Asteraceae, resulted in the isolation of five compounds: one coumarin, sabandinol, two steroids, stigmasterol and 3-O-acetyl taraxasterol and two flavonoids, quercetin (flavonol) and 7-O-prenyl taxifolin (dihydroxyflavonol). The structures of these compounds were established by spectroscopic analysis. This paper deals with the first report of these compounds in Pterocaulon interruptum DC.


Subject(s)
Asteraceae , Coumarins/analysis , Flavonoids/isolation & purification , Plants, Medicinal , Triterpenes , Spectrum Analysis
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