Constituents from the Leaves of Phellodendron amurense and Their Antioxidant Activity
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概要
- 論文の詳細を見る
Three new coumarins, phellodenols F-H (1-3) and a new glutaric acid derivative, phellodendric acid-A (4) were isolated from the leaves of Phellodendron amurense together with twenty-nine known compounds. Extensive 1D and 2D NMR experiments and other spectroscopic studies were employed to determine the structures of 1-4. The isolated compounds were screened for their antioxidant activity through DPPH (α,α-diphenyl-β-picrylhydrazyl) radical scavenging assay. Compounds quercetin, quercetin-3-O-β-D-glucoside, quercetin-3-O-β-D-galactoside and kaempferol-3-O-β-D-glucoside demonstrated significant radical scavenging activity comparable to vitamin E.
- 公益社団法人日本薬学会の論文
- 2006-09-01
著者
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WU Tian-Shung
Department of Chemistry, National Cheng-Kong University
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Wu Tian-shung
Department Of Chemistry National Cheng Kung University:national Research Institute Of Chinese Medici
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Wu Tian-shung
Department Of Applied Chemistry Providence College Of Arts And Science
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LI Chia-Ying
Department of Chemistry, National Cheng Kung University
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Li Chia-ying
Department Of Chemistry National Cheng Kung University
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Yao Xinsheng
School Of Pharmaceutical Sciences Jinan University
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LEU Chien-Hsing
Department of Chemistry, National Cheng Kung University
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Leu Chien-hsing
Department Of Chemistry National Cheng Kung University
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