草本植物
DPPH
传统医学
立体化学
草药
清除
生药学
化学
抗氧化剂
植物
生物
有机化学
生物活性
医学
体外
生物化学
作者
Ikuko I. Ohtani,Naomi Gotoh,Junichi Tanaka,Tatsuo Higa,Maxwell A. Gyamfi,Yoko Aniya
摘要
Two new ellagitannins, thonningianins A (1) and B (2), have been isolated from the African medicinal herb Thonningia sanguinea and their structures elucidated by interpretation of spectroscopic data. Both 1 and 2 showed strong free radical scavenging activity against 1,1-diphenyl-2-picrylhydrazyl (DPPH) as shown by ESR analysis.
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MET1
模糊中正
无名老大
萧水白
sutharsons
爱静静
教生物的杨教授
失眠的筝
VDC
仁爱的新柔
Singularity
Owen
怡然奄
渔舟唱晚
嘤嘤怪
Candice
正直眼神
杳鸢
中和皇极
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