Objective: To study the constituents from the whole plants of Gentianella acuta and their biological activities.Methods: The compounds were isolated by multiple chromatographic methods and the structures of mentione...Objective: To study the constituents from the whole plants of Gentianella acuta and their biological activities.Methods: The compounds were isolated by multiple chromatographic methods and the structures of mentioned isolates were determined by routine NMR experiments and chemical methods.Results: A phytochemical investigation to obtain intestine motility inhibitor resulted in the isolation of one new xanthone glycoside,gentixanthonoside A(1),along with nine tetrahydroxanthones,1,3,5R,8S-tetrahydroxy-5,6,7,8-tetrahydroxanthone(2),1,3,5S,8S-tetrahydroxy-5,6,7,8-tetrahydroxanthone(3),amarellin E(4),amarellin F(5),swertiachoside B(6),amarellin D(7),amarellin C(8),amarellin A(9),and amarellin B(10)from the whole plants of G.acuta.Conclusion: Compounds 2 –10 showed significant reduce effects on contraction tension at 40 μM.展开更多
基金supported by National Natural Science Foundation of China (81673688)
文摘Objective: To study the constituents from the whole plants of Gentianella acuta and their biological activities.Methods: The compounds were isolated by multiple chromatographic methods and the structures of mentioned isolates were determined by routine NMR experiments and chemical methods.Results: A phytochemical investigation to obtain intestine motility inhibitor resulted in the isolation of one new xanthone glycoside,gentixanthonoside A(1),along with nine tetrahydroxanthones,1,3,5R,8S-tetrahydroxy-5,6,7,8-tetrahydroxanthone(2),1,3,5S,8S-tetrahydroxy-5,6,7,8-tetrahydroxanthone(3),amarellin E(4),amarellin F(5),swertiachoside B(6),amarellin D(7),amarellin C(8),amarellin A(9),and amarellin B(10)from the whole plants of G.acuta.Conclusion: Compounds 2 –10 showed significant reduce effects on contraction tension at 40 μM.