2-(pentadinyl-1-3)-5-(3, 4-dihydroxy-butynyl-1)-thiophene and stigmasterol from the chloroform extract of the root of Blumea aurita var. foliolosa

A shade-dried pulverised sample of the whole root of Blumea auirta var. foliolosa was exhaustively extracted with cold chloroform. Chromatographic technique was used to purify two compounds. Spectroscopic methods and other analytical techniques identified the compounds as 2-(pentadinyl-1, 3)–5- (3, 4- dihydoxy-butylnyl-1)-thiophene and stigmasterol, a plant sterol.