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- Antioxidant activity of extracts from Isatis Indigotica was investigated with the method of scavenging hydroxyl and superoxide anion free radical. 采用清除羟自由基和超氧阴离子自由基法对大青叶抗氧化能力进行了研究。
- Antioxidant performance of extracts of seabuckthorn leaves was investigated with hydroxyl free radical system and superoxide anion free radical system. 采用羟基自由基体系和超氧阴离子自由基体系对沙棘叶提取物的抗氧化性能进行了研究。
- Superoxide anion free radical. 超氧阴离子自由基
- By using the spectrophotometry,tests were carried out to compare the scavenging effect of superoxide anion free radical O2-.between the chitosan and the mixture of chitosan and calcium ion. 用分光光度法;分别对壳聚糖和壳聚糖与钙离子的配合物清除超氧阴离子自由基(O2-.;)的效果进行了测定。
- Meanwhile, contents of superoxide anion free radicals were increased but SOD decreased with the increase of C60-glycin's concentration. 骨肉瘤细胞的坏死率增大,同时导致超氧阴离子自由基升高,SOD含量下降。
- In this dissertation, the antioxidative activity of pepsin-pancreatin digest of vinegar-egg juice was studied in vitro using three models of antioxidation on superoxide anion free radicals O2. 采用传统泡制工艺泡制醋蛋液,用胃蛋白酶-胰酶复合酶体系水解醋蛋液。
- Studies on the Scavenging Effect of Catechin on Superoxide Anion Free Radical and its Self-oxidation 儿茶素对超氧阴离子自由基的清除及其自氧化作用研究
- ESR studies on the eliminating effect on the superoxide anion free radical of aloin in Aloe 芦荟中芦荟苷清除超氧阴离子自由基的ESR研究
- Keywords Sarcandra glabra(Thunb.)Nakai;Extracts;Superoxide anion free radical;Hydroxy free radical; 肿节风;浸膏;羟自由基;超氧阴离子自由基;
- Keywords Pueraria root;Superoxide anion free radical;Hydroxyl free radical;Spectrophotometry; 葛根;超氧阴离子自由基;羟自由基;分光光度法;
- Keywords Polysaccharide of Usnea longissima Ach.;Superoxide anion free radical;Hydroxyl free radical;Lipid peroxidadon; 长松萝多糖;超氧阴离子自由基;羟自由基;脂质过氧化反应;
- superoxide anion free radical 超氧阴离子
- Keywords electron spin resonance;chemiluminence;free radicals;superoxide anion free radical;tea polyphenols;prooxidant; 电子顺磁共振;化学发光;自由基;超氧阴离子自由基;茶多酚;助氧化作用;
- The Gelidium amansii showed scavenging capacity to hydroxyl free radical generated by Fenton reaction and to superoxide anion generated by a pyrogallol autoxidation system. 采用水杨酸法和邻苯三酚法分别测定各相提取物对羟基自由基和超氧阴离子自由基的清除能力,结果表明石花菜有较强的抗氧化能力。
- superoxide anion free radicals 超氧阴离子
- Keywords Lespedeza dunnii;flavonoids;free radical;superoxide anion;POV; 春花胡枝子;黄酮;羟自由基;超氧阴离子;POV;
- Keywords the Schiff base derived from 3-Chlorobenzaldehyde and alanine;metal complexes;synthesis;characterizatoin;free radical of superoxide anion; 氯苯甲醛丙氨酸席夫碱;金属配合物;合成;表征;超氧离子自由基;
- 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。