This study was evaluated the antimicrobial activities of the crude extract,different fractions,and compounds from the plant of Lomatogonium carinthiacum.The fractions of chloroform and compounds 5,2 and 6 exhibited st...This study was evaluated the antimicrobial activities of the crude extract,different fractions,and compounds from the plant of Lomatogonium carinthiacum.The fractions of chloroform and compounds 5,2 and 6 exhibited stronger antimicrobial activities.Compound 5 was the most active while Staphylococcus aureus and Candida albicans were sensitive to all the tested compounds.The existence of a relationship between the xanthone structures and inhibition of microorganism activity.The antimicrobial activity of this plant was reported here firstly.The results provided evidence that the studied plant extract,fractions as well as some of the isolated compounds might be potential sources of new antimicrobial drug.展开更多
Thirteen xanthones were isolated from L.rotatum,which were established as l,8-dihydroxy-3,4,5-trimethoxyxanthone(1);l-hydroxy-3异,8-trimethoxyxanthone(2);8-hydroxy-l,3?5-trimethoxyxaiithone(3);l-hydroxy-3,4,5-trimetho...Thirteen xanthones were isolated from L.rotatum,which were established as l,8-dihydroxy-3,4,5-trimethoxyxanthone(1);l-hydroxy-3异,8-trimethoxyxanthone(2);8-hydroxy-l,3?5-trimethoxyxaiithone(3);l-hydroxy-3,4,5-trimethoxyxanthone(4);l-hydroxy-3,5,8-trimethoxyxanthone(5);l,4,8-trihydroxy-5,6-dimethoxyxanthone(6);l,3,8-trihydroxy-4,7-dimethoxyxanthone(;7)l,8-dihydroxy-3,7-dimethoxyxanthone(8);l-hydroxy-3,5-dimethoxyxanthone(9);l-hydroxy-2,3,4,5-tetramethoxyxanthone(;10)l-hydroxy-2,3,4,7-tetramethoxyxanthone(11);l,7-dihydroxy-3,8-dimethoxyxanthone(12);rel-l,3,5,8-tetrahydroxy-2,4,6,7-tetrahydroxanthen-9-one(13).Compounds 4,6,7,9,10,11,12 and 13 are reported for the first time from Lomatogonium.Furthermore,the activity of xanthones was assessed.展开更多
基金We thank the fourth national survey of traditional Chinese medicine resources(2018016)for funding this research.
文摘This study was evaluated the antimicrobial activities of the crude extract,different fractions,and compounds from the plant of Lomatogonium carinthiacum.The fractions of chloroform and compounds 5,2 and 6 exhibited stronger antimicrobial activities.Compound 5 was the most active while Staphylococcus aureus and Candida albicans were sensitive to all the tested compounds.The existence of a relationship between the xanthone structures and inhibition of microorganism activity.The antimicrobial activity of this plant was reported here firstly.The results provided evidence that the studied plant extract,fractions as well as some of the isolated compounds might be potential sources of new antimicrobial drug.
基金We thank the fourth national survey of traditional Chinese medicine resources(2018016)for funding this research.
文摘Thirteen xanthones were isolated from L.rotatum,which were established as l,8-dihydroxy-3,4,5-trimethoxyxanthone(1);l-hydroxy-3异,8-trimethoxyxanthone(2);8-hydroxy-l,3?5-trimethoxyxaiithone(3);l-hydroxy-3,4,5-trimethoxyxanthone(4);l-hydroxy-3,5,8-trimethoxyxanthone(5);l,4,8-trihydroxy-5,6-dimethoxyxanthone(6);l,3,8-trihydroxy-4,7-dimethoxyxanthone(;7)l,8-dihydroxy-3,7-dimethoxyxanthone(8);l-hydroxy-3,5-dimethoxyxanthone(9);l-hydroxy-2,3,4,5-tetramethoxyxanthone(;10)l-hydroxy-2,3,4,7-tetramethoxyxanthone(11);l,7-dihydroxy-3,8-dimethoxyxanthone(12);rel-l,3,5,8-tetrahydroxy-2,4,6,7-tetrahydroxanthen-9-one(13).Compounds 4,6,7,9,10,11,12 and 13 are reported for the first time from Lomatogonium.Furthermore,the activity of xanthones was assessed.
