A new xanthone as a chemical marker of four Polygala species (Polygalaceae). (June 2018)

• Record Type: Journal Article
• Authors: Tizziani, Tiago; Pereira, Marcos; Venzke, Dalila; Missau, Fabiana Cristina; Ruani, Ana Paula; Montagner, Daiane Fiuza; Pizzolatti, Moacir Geraldo; Micke, Gustavo Amadeu; Brighente, Inês Maria Costa
• Is Part Of: Biochemical systematics and ecology. Volume 78(2018)
• Page Start: 46
• Page End: 48
• Publication Date: 2018-06
• Subjects: Polygalaceae -- Polygala campestris -- Polygala densiracemosa -- Polygala linoides -- Polygala pulchella -- Xanthones -- Chemical markers; Chemotaxonomy -- Periodicals; Biochemical variation -- Periodicals; Ecology -- Periodicals; Biochemistry -- Periodicals; Ecology -- Periodicals; Chimiotaxinomie -- Périodiques; Variation biochimique -- Périodiques; Écologie -- Périodiques; 578.012
• DOI: 10.1016/j.bse.2018.03.007
• Languages: English
• ISSNs: 0305-1978

Abstract

Abstract: A new xanthone, 1, 5-dihydroxy-2, 3-methylenedioxyxanthone (1 ), was isolated from four species of Polygala ( Polygala campestris, Polygala densiracemosa, Polygala linoides and Polygala pulchella ). In addition, three other xanthones and one sterol were isolated from extracts of these species: 1, 5-dihydroxy-2, 3-dimethoxyxanthone (2 ), 1, 5-dihydroxy-3-methoxyxanthone (3 ), 1, 5-dihydroxy-6′, 6′dimethylpyrano[2′, 3':3, 2]xanthone (4 ) and α-spinasterol (5 ). The xanthone1 is new in the literature and although the others are known compounds this is the first time they have been isolated from these species. The chemotaxonomic significance of these data for the Polygala genus is reported. Graphical abstract: Highlights: Five compounds were isolated for the first time from four Polygala species. A newly identified xanthone (1, 5-dihydroxy-2, 3-methylenedioxyxanthone) is described. A chemical marker of four Polygala species is reported.