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- peroxide anion radical 羟自由基
- Methods: The electron spin resonance(ESR)was used to observe the scavenging effect on the superoxide anion radical(O2. 方法:采用电子自旋共振技术(ESR)分别检测大黄中主要成分对O2.;-的清除作用。结果:大黄中主要成分对O2
- IC50 of grape polyphenols on scavenging DPPH radical, superoxide anion radical and hydroxyl radical were 1. 本文对葡萄多酚抗氧化活性进行研究。
- In the superoxide anion radical scavenging assay, only compound 6 showed relatively high effect with IC50 value of 0.88mM. 在清除超氧阴离子自由基的反应中，只有化合物6具有较高的自由基清除率，其IC50值为0.;88mM。
- And new compound 3 scavenged hydroxyl radical and super anion radical as IC50 values of 1.11mM, 1.84mM, which were lower than those of EGCG. 而新化合物3对羟自由基和超氧阴离子的清除作用的IC50值分别为1.;11mM和1
- MethodsUsing the pyrogallicacid autooxidation to determine the activity of three Cordyceps sp. on scavenging superoxide anion radical(O 2-). 方法采用邻苯三酚自氧化法测定3种虫草的抗氧化活性。
- The results of colorimetric assays showed that these compounds effectively scavenged hydroxyl radical and super anion radical. 化学比色法的结果显示这些化合物对羟自由基和超氧阴离子自由基有较好的清除作用。
- Dried plums contain high amounts of neochlorogenic and chlorogenic acids, antioxidants that are particularly effective in combating the “superoxide anion radical”. 李子干含有的大量新绿原酸和绿原酸，是对付“过氧化阴离子自由基”特别有效的抗氧化剂。
- Keywords Alantolactone;Hydrogen peroxide;Superoxide anion radical;Polarography; 土木香内酯;双氧水;超氧自由基;极谱法;
- It suggests that quercetin might decrease the active oxygen generation of leukocyte,reduce the superoxide anion radical formation by inhibiting the xanthine oxidase and / or scavenge the active oxygen directly in the same time in both systems. 提示槲皮素既可抑制白细胞吞噬产生的活性氧，又可减少黄嘌呤－黄嘌呤氧化酶系的O－2形成，或兼有直接清除活性氧的作用
- When the concentration of both herbs are 8. 33mg/ml (dry herbs), the percentages of elimination of superoxide anion radical O2- are 98. 5% and 100% respectively. The effects are very obvious. 当反应系统中药物浓度(以生药计)达8.;33mg/ml时;二者对O_2~-的清除率分别达98
- Keywords Sinomenine;superoxide anion radical;polarography; 青藤碱;超氧自由基;极谱法;
- Scavenging activities of seven natural flavonoids from elsholtzia bodinieri vaniot and artemisia ordosica kraschen for superoxide anion radicals was studied by single-sweep oscillopolarography. 摘要用单扫描示波极谱法研究了从东紫苏和黑沙蒿中分离出的七种黄酮类化合物对超氧阴离子自由基的清除作用。
- They called for a radical reform of our tax system. 他们要求对税收制度进行根本改革。
- He took up a radical position on this issue. 他对这个问题抱着激进的态度。
- The man turned from Radical to Conservative. 这人从激进派变成了保守派。
- The antioxidant action of the activity component towards superoxidized anionic radical,hydroxyl radical and lipid radical was tested,appraised of antioxidative action of two kinds of bee pollens. 结果表明:两种蜂花粉提取物均具有较强的抗氧化作用,油菜蜂花粉提取物比荷花蜂花粉提取物有更强的抗氧化性。
- His political convictions are very radical. 他的政治信念非常激进。
- I do not share his radical views. 我不同意他的激进观点。
- You can look up a character under its radical. 你可以根据部首查找汉字。
