自氧化
- auto-oxidation
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结果O2.能引起红细胞膜脂质过氧化,丙二醛(MDA)含量、自氧化速率增加、膜流动性以及膜封闭度下降。
Result O · _2 caused lipid peroxidation of erythrocyte ghost , increased the content of MDA and the speed of auto-oxidation , decreased membrane fluidity , and alleviated blocking degree .
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结果表明:此类小分子活性肽对邻苯三酚(PR)自氧化具有较好的抑制作用(1mg/mLSBP的抑制率为33.3%)。
It was found that the SBP had obvious inhibition efficacy to auto-oxidation of pyrogallol and the inhibition rate reached 33.3 % while the concentration of SBP was ( 1 mg / mL ) .
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OH激活氧化所致的红细胞溶血作用,并降低自氧化产物MDA的含量。
And the content of MDA was lowered .
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邻苯三酚自氧化法适于测定SOD活性吗?
Can be used to assay SOD activity by means of pyrogallol oxidation ?
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本试验采用邻苯三酚自氧化法,对牛奶中SOD活性进行了研究。结果表明:在泌乳期间SOD活性是初乳>末乳>常乳。
The SOD activity in cow 's milk was studied using pyrogallol autoxidation method .
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连苯三酚自氧化系统受维生素C的干扰,当反应系统中维生素C的含量在20μg以上,则明显抑制连苯三酚的自氧化。
The auto oxidation of pyrogallol was also inhibited when the vitamin C content of the reaction system reached over 20 μ g.
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方法用连苯三酚自氧化法测定血清SOD活性;
Methods The activity of SOD in serum was measured by self-oxidation of pyrogallic acid .
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用邻苯三酚自氧化法测定心肌组织、红细胞的SOD活力;
The pyrogallol autoxidation method was used for determination of SOD activity of heart and erythrocytes .
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分别采用α-脱氧核糖氧化法和连苯三酚自氧化法,进行了大豆异黄酮清除羟自由基·OH和超氧自由基O2~-·的抗氧化试验。
Using alpha deoxyribose oxidation and pyrogallol autoxidation , experiments of soybean isoflavones scavenging hydroxy radical and superoxide radical were respectively made .
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当SOD浓度为0.227μg/mL时,SOD对盐酸羟胺自氧化的抑制率可达50%。
The inhibition was reached to 50 % as the concentration of SOD was 0.227 μ g / mL.
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讨论了多酚氧化酶对邻苯三酚自氧化法测定SOD活性的干扰。
Disturbances of polyphenol oxidase upon determination of SOD activity using pyrogallol autoxidation method ( PAM ) were analysed .
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采用邻苯三酚自氧化法,对五种有代表性的动物奶中SOD活性进行了研究。
The method of autoxidation of pyrogallol was used in this experiment to study SOD activity in animal milk .
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结果虾青素能有效地抑制亚油酸的自氧化性,抑制能力明显高于维生素E;
Results : Astaxanthin could inhibit autooxidation of linoleic acid effectively and its inhibition and elimination rate to hydroxy radical was higher than vitamin E.
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方法:用邻苯三酚自氧化法和TBA比色法。
Methods : Pyrogallol autooxidation and TBA photometric methods were used .
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本文用邻苯三酚自氧化抑制法测定了44例海洛因成瘾者和20例健康人血红细胞超氧化物岐化酶(SOD)活性。
The activities of red cell superoxide dismutase ( SOD ) in 44 heroin addicts and 20 healthy individuals were determined by autoxidation of pyrogallol .
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枸杞色素对连苯三酚自氧化有一定的抑制作用,在反应发生4分钟时,Vc的抑制率达到34.5%,而枸杞色素的抑制率也达到了15.7%。
When the reaction happeded after four minutes , the scavenging rate of Vc was 34.5 % , the scavenging rate of pigment was 15.7 % .
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采用邻苯三酚自氧化法测定原花色素的类SOD活性,通过实验确定了适宜的测定条件为测定波长420nm;
Pyrogallol autooxidation method was used for measurement of SOD-like activity of proanthocyanidins .
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实验所得的铝粉末自氧化挤压线材及用Al2O3和SiC颗粒强化所得的线材具有高的抗拉强度和良好的导电性能。
Al self-oxide powder , Al2O3 - Al blending powder and SiC-Al blending powder extrusion wires obtained by experiments had high tensile strength as well as high conductibility .
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结果硒茶能显著抑制自氧化、H2O2、及·OH激活氧化所致的红细胞溶血作用,并降低自氧化MDA的含量。
Results Erythrocyte hemolysis induced by auto - oxidation and activa - ted oxidation with H_2O_2 and · OH was inhibited by Selenium - tea and the content of MDA was lowered .
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结果表明,在pH>8时,槲皮素醇溶液发生自氧化作用,且作用强度随着槲皮素浓度、pH和实验温度的增大而增强;
The results indicated that quercetin in alcohol was easy to undergo self-oxidation under pH > 8 , and the self-oxidation would be enhanced with the increase of quercetin concentration , solution pH and temperature ;
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以连苯三酚自氧化法作为SOD的活力分析方法,并对该方法的精密度,回收率及线性范围进行了考察。
First , the auto-oxidization of pyrogallol was used as the analysis method to determine SOD activity , and the precision , recovery and linear range of the method were investigated .
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以连苯三酚自氧化法为例,探讨了抑制率、指示反应速率差与超氧化物歧化酶(SOD)浓度之间的关系。
The method of autoxidation of pyrogallol is taken as an example to discuss the relationship of percentage of inhibition , the difference of rate of indicator reaction , and SOD concentration .
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方法:大鼠脑、肾和肝匀浆自氧化和经Fe2+VitC诱导产生丙二醛(MDA),TBA比色法检测这三种化合物的抗氧化活性。
Methods : MDA level induced by Fe2 + - VitC or autooxidation in rat brain , kidney and liver homogenates were determined by TBA colorimetric analysis .
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以全自动生化分析仪测定血管培养液中乳酸脱氢酶(LDH)活力,以Griess化学法观测血管NOS活力,以肾上腺素自氧化法测定血管SOD活力。
LDH activity was measured using Biochemistry Automatic Analysis Meter , NOS and SOD activities in blood vessels were analysed respectively by Griess assay and adrenalin autooxidation method .
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利用邻苯三酚自氧化法测定SOD;采用邻苯三酚自氧化法测定红细胞和心肌超氧化物歧化酶活性;
Activities of SOD in tissues and red cells were determined by the method of pyrogallic acid autoxidation . Activities of superoxide dismutase ( SOD ) in erythrocyte and myocardium were measured with pyrogallic acid autoxidation method .
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方法:应用邻苯三酚自氧化法及硫代巴比妥酸法分别测定童虫细胞在培养0-54d过程中SOD和MDA含量的变化。
METHODS : Pyrogallol method and thiobarbituric acid method were used to determinate the levels of SOD and MDA , respectively , in the cells cultured for 0-54 days .
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两者对黄嘌呤-黄嘌呤氧化酶体系以及碱性连苯三酚自氧化体系产生的都有清除作用并具量效关系.Cap比GSH的清除作用大。
Cap and GSH can effectively scavenge produced by Xanthine / Xanthine oxidase system and alkaline pyrogallol autoxidation system , and have quantitative effect . For comparison , Caf , is more effective .
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罗汉果皂甙是罗汉果提取物中抑制红细胞自氧化溶血及丙二醛(MDA)生成的主要的活性成分,它与提取物中其它组分具有清除羟基自由基和O2·的协同作用。
Mogrosides were the main components that inhibit MDA and hemolysis of red blood cells , and also had synergetic effect with the other components of extracts on scavenging · OH and O · 2 radicals .
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研究了碱性溶液中多巴胺的自氧化作用.实验结果表明,多巴胺的自氧化可产EO2-,在一定范围内增加溶液的pH值和多巴胺的浓度均可增大O2的产生速率。
The autoxidation of dopamine in alkaline solution were studied , The experimental results show that O2 generates in the autoxidation and generating velocity of O2 rises with pH of the solution and concentration of dopamine increasing respectively In some extent .
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方法利用自氧化、H2O2及.OH激活氧化的方法诱导红细胞产生溶血,观察IL对溶血度及其产物丙二醛(MDA)的影响。
Method Using the methods of auto-oxidation , H_ ( 2 ) O_ ( 2 ) and · OH induced oxidation to erythrocytes , observe the effect of IL on hemolysis degree and on the serum level of malondialdehyde ( MDA ) .