超氧阴离子自由基由紫外光照射碱性核黄素溶液产生。
Super-oxide anion radical is produced by irradiating the basic solution of riboflavin.
用NBT法研究了配合物对超氧阴离子自由基的抑制作用;
Their inhibiting actions on the superoxide anions were examined by using nitroblue tetrazolium(NBT) method.
总黄酮精制物的超氧阴离子自由基清除能力与柠檬酸相当。
The O2 - · scavenging effect of the refined extract was similar to citric acid.
实验还表明还原NBT的还原剂很可能是超氧阴离子自由基。
The experiments indicated that it was possible that the reductant of NBT in the freeze thaw cycle was superoxide anion free radical.
目的探讨核桃仁清除超氧阴离子自由基(O·-2)的能力。
Objective it is to discuss the ability of walnut clearing oxygen free radical (o · -2).
在皮瓣缺血再灌注后产生大量的超氧阴离子自由基,其变化十分活跃。
A great number of superoxide anion free radicals were produced after ischemia and reperfusion of skin flap with active change.
结果表明,不同器官组织中活性氧与抗超氧阴离子自由基含量各异。
Results showed that content of ROS and ASAFR vary between different organs and tissues.
目的研究二甲基亚砜碱性溶液中时间对超氧阴离子自由基浓度的影响。
OBJECTIVE to study the effects of the reaction time to the concentration of superoxide anion radical (o 2 -) produced in the alkaline dimethyl sulfoxide (DMSO) solution.
结果发现用NOS自旋捕捉剂可检测到该体系所产生的超氧阴离子自由基。
It was found that the superoxide radicals could be detected by NOS in the above system.
绿茶中的茶多酚清除自由基的能力较强,它们对超氧阴离子自由基具有很强的清除效应。
Green tea polyphenols in the free radical scavenging ability, they have a strong superoxide anion radical scavenging effect.
另一章鱼胺衍生物oa05具有较高的超氧阴离子自由基清除能力,值得进一步关注和研究。
OA05, another octopamine derivative, had prominent scavenging effect against superoxide anion radicals, which was worthy of further study.
在非油质体系中,酶解物能很好的清除超氧阴离子自由基,但清除效果不如V_C的效果好;
In the system of non-oil, zymolytes can clear superoxide negative ion(O_2~-) but the effect of clear was not far from V_C;
过氧化氢是氧还原途径的产物,由分子氧双电子还原或者超氧阴离子自由基单电子还原产生。
Hydrogen peroxide is a part of the oxygen reduction pathway, produced by the two-electron reduction of molecular oxygen, or by the one electron reduction of superoxide anion radical.
超氧阴离子自由基清除能力大小依次为:抗坏血酸、柠檬酸、总黄酮精制物、总黄酮粗提物。
The order of the O2 - · scavenging effect was ascorbic acid, citric acid, the refined extract, the crude extracts.
与WPC相比,SWPC清除羟自由基的能力显著提高,但清除超氧阴离子自由基的能力有所下降。
Compared with WPC, the effect of SWPC on scavenging hydroxyl radicals had been improved a lot, while diminished on scavenging superoxide anion radicals.
超氧阴离子自由基、羟基自由基的清除能力和还原能力强于胰凝乳蛋白酶酶解物和胃蛋白酶酶解物。
The scavenging capacities of the hydrolysates of WPI catalysted by papain and trypsin on DPPH free radical, superoxide and hydroxyl free radical are stronger than those of the hydrolysates of chymo…
研究2-乙基-3-羟基-6-苯硫基-4(1H)-吡啶酮(HPP)对羟自由基和超氧阴离子自由基的影响。
The effects of 2-ethyl-3-hydroxy-6-phenylthio-4(1H)-pyridinone (HPP) on hydroxyl radical and superoxide anion radical scavenging activity was studied.
烟酰胺是一种抗氧化剂,它能有效地预防细胞和细胞膜免去自由基的损伤,可消除炎症中起作用的超氧阴离子自由基。
Nicotinamide, an antioxidant, can efficiently protect cells and cell membrane from damage by free radicals and scavenge super-oxide radical(O-2) participating in inflammatory process.
榛子壳棕色素的体外抗氧化性实验表明:其对羟基自由基、超氧阴离子自由基有很好的清除效果,对脂质体过氧化也具有一定的抑制作用。
Hazelnut shell brown pigment oxidation in vitro experiments showed that the pigment had scavenging effects on hydroxyl radical, superoxide anion radical and aliphatic radicals on lipid-per oxidation.
它是唯一以超氧阴离子自由基为底物的酶,可以催化超氧阴离子的歧化反应产生分子氧和过氧化氢,在南极细菌对恶劣环境的适应中具有重要作用。
These enzymes act to disproportionate two molecules of superoxide anion to hydrogen peroxide and water, and plays important role in extreme environment adaptation of Antarctic microorganism.
抗氧化实验表明,葡萄籽丙酮浸提液对超氧阴离子自由基(O- ·2)和1,1-二苯基-2-苦肼基自由基(DPPH·)均有较强的清除作用。
The antioxidation experiment results showed that the scavenging effects of the acetone extracts of grape seed on superoxide radical(O - · 2) and 1,1 Dipheny1 2 picry1 hydrazy1(DPPH·)are strong.
李子干里的果酸(neochlorogenic andchlorogenic acids)含量极高,是抗击“超氧阴离子自由基(superoxide anionradical)”特别有效的抗氧化剂。
Prunes contain high amounts of neochlorogenic and chlorogenic acids, antioxidants that are particularly effective at combating the \ "superoxide anion radical."
推测电离辐射的上述生物学效应正是由辐照细胞生成的超氧阴离子和羟自由基引起的。
It was suggested that those biological effects were caused by superoxide anions and hydroxyl radicals produced in irradiated cells.
结论在实验条件下,缬草醚酯提取物对DPPH自由基、羟自由基、超氧阴离子有较好的抑制作用。
ConclusionThe extract has good scavenging effect on DPPH ·, OH · and O2 - · under the condition of experiment.
结论在实验条件下,缬草醚酯提取物对DPPH自由基、羟自由基、超氧阴离子有较好的抑制作用。
ConclusionThe extract has good scavenging effect on DPPH ·, OH · and O2 - · under the condition of experiment.
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