Ailanthus altissima(Mill.)Swingle is a deciduous tree belonging to the Simaroubaceae family.The root and stem bark are traditional medicines for treating many diseases,such as diarrhea,dreaminess and intestinal tract ...Ailanthus altissima(Mill.)Swingle is a deciduous tree belonging to the Simaroubaceae family.The root and stem bark are traditional medicines for treating many diseases,such as diarrhea,dreaminess and intestinal tract bleeding.Phytochemical investigation of Ailanthus altissima(Mill.)Swingle led to the isolation of eight compounds.Chemical structures of these compounds were identified by analyzing their NMR spectroscopic data.Among them,compounds 1,4,5,6 and 8 were isolated from Ailanthus Desf.for the first time.The antioxidant activities of these compounds were determined by DPPH radical scavenging method.展开更多
Eight compounds(1-8)were isolated from Ailanthus altissima(Mill.)Swingle,including four lignans,three phenylpropanoids and a simple aromatic compound,their structures were identified by nuclear magnetic resonance spec...Eight compounds(1-8)were isolated from Ailanthus altissima(Mill.)Swingle,including four lignans,three phenylpropanoids and a simple aromatic compound,their structures were identified by nuclear magnetic resonance spectra and mass spectrometry data.Among them,compounds 1,3,5 and 8 were first obtained from this genus.In addition,free radical scavenging ability of compounds 1-8 were evaluated using DPPH,ABTS,and FRAP assays and the results showed that compound 2 exhibited potent antioxidant activity in DPPH and ABTS radical scavenging assays and compound 7 showed the highest value of FRAP radical scavenging.展开更多
文摘Ailanthus altissima(Mill.)Swingle is a deciduous tree belonging to the Simaroubaceae family.The root and stem bark are traditional medicines for treating many diseases,such as diarrhea,dreaminess and intestinal tract bleeding.Phytochemical investigation of Ailanthus altissima(Mill.)Swingle led to the isolation of eight compounds.Chemical structures of these compounds were identified by analyzing their NMR spectroscopic data.Among them,compounds 1,4,5,6 and 8 were isolated from Ailanthus Desf.for the first time.The antioxidant activities of these compounds were determined by DPPH radical scavenging method.
文摘Eight compounds(1-8)were isolated from Ailanthus altissima(Mill.)Swingle,including four lignans,three phenylpropanoids and a simple aromatic compound,their structures were identified by nuclear magnetic resonance spectra and mass spectrometry data.Among them,compounds 1,3,5 and 8 were first obtained from this genus.In addition,free radical scavenging ability of compounds 1-8 were evaluated using DPPH,ABTS,and FRAP assays and the results showed that compound 2 exhibited potent antioxidant activity in DPPH and ABTS radical scavenging assays and compound 7 showed the highest value of FRAP radical scavenging.
