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《Acta Botanica Boreali-Occidentalia Sinica》 2010-10
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Antioxidant Activity Detection of Astragalus membranaceus and Codonopsis pilosula Ethanol Extracts by DPPH Method

DUAN Qi-mei1,2,LIANG Zong-suo1,2,NIE Xiao-ni1,2,SUN Wen-cui1,AN Chao1(1 College of Life Sciences,Northwest A&F University,Yangling,Shaanxi 712100,China;2 Shaanxi Research Center in Traditional Chinese Medicine Fingerprint & Natural Product Library,Yangling,Shaanxi 712100,China)  
Using the assay systems of spectrophotometric method,we determined the ability of scavenging effect on DPPH of Astragalus membranaceus and Codonopsis pilosula ethanol extracts from different habitats to investigate the antioxidant activity of A.membranaceus and C.pilosula.The scavenging radical capacities on DPPH of A.membranaceus from Weiyuan Gansu,Longxi Gansu,Shulan Jilin and Hunyuan Shanxi,were 21.38%,13.53%,35.09% and 20.18%,respectively.The scavenging radical capacities on DPPH of C.pilosula from Fengxian Shaanxi,Lingchuan Shanxi,and Nanzheng Shaanxi,were 17.56%,9.87% and 8.03%,respectively.The IC50 of A.membranaceus and C.pilosula were 0.24 and 0.85 mg·mL-1,respectively.It was shown that the antioxidant activity was higher in A.membranaceus than that in C.pilosula.
【Fund】: 国家”十一五”科技支撑计划项目(2008BAD98B08);; 农业部DUS测试品种信息(200903008-11)
【CateGory Index】: R285.5
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【Co-citations】
Chinese Journal Full-text Database 1 Hits
1 DUAN Qi-mei1,2,LIANG Zong-suo1,2,YANG Dong-feng1,2,NIE Xiao-ni 1,2,LIU Ting1,LAN Xiao-ji 1(1 College of Life Sciences,Northwest A&F University,Yangling,Shaanxi 712100,China;2 Shaanxi Research Center in Traditional Chinese Medicine Fingerprint & Natural Product Library,Yangling,Shaanxi 712100,China);Quality diversity analysis of Radix Astragali from different habitats[J];Journal of Northwest A & F University(Natural Science Edition);2010-10
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Chinese Journal Full-text Database 10 Hits
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