Phytochemistry p. 2819 - 2822 (1989)
Update date:2022-08-17
Topics:
Dhasmana, H.
Garg, H.S.
Two new xanthone-O-glucosides, 2,3,7-trimethoxyxanthone-1-O-glucoside and 2,3,5-trimethoxyxanthone-1-O-glucoside were isolated from whole plant of Halenia elliptica and identified through their acetates.Also present are four free xanthones, 1-hydroxy-2,3,4,7-tetramethoxy, 1-hydroxy-2,3,4,5-tetramethoxy, 1-hydroxy-2,3,7-trimethoxy, and 1-hydroxy-2,3,5-trimethoxyxanthone, oleanolic acid and sitosterol glucoside.A fraction rich in xanthone glucosides showed marked antiamoebic activity.Key Word Index - Halenia elliptica; Gentianaceae; pentaoxygenated xanthones; tetraoxygenated xanthones; xanthone glucosides; amoebicidal activity.
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