过氧化

Consequence:Afer duplicating the model,many patho-representations occur in theaging rats including the worse general states,increasing active oxygen freeradical,lipid peroxidation and apoptosis,reducing antioxygen capability andionic transport capability in the cell envelope,overexpression of P16,impairing hippocamp nerve cell architecture and depositive lipofuscin inultramicro-morphology.

结果：D-半乳糖致亚急性衰老大鼠出现一般状态较差、活性氧自由基和脂质过氧化产物增加、抗氧化能力明显下降、细胞膜离子转运能力降低、P16过度表达、细胞凋亡增加、海马神经元细胞超微结构损伤以及神经元细胞内脂褐素沉积的病理表现。

The enzyme activity of the antioxidation system of xermorphic shrubs in Inner Mongolia West Erods region was studied. The extent of lipid peroxidation is not higher, but SOD POD CAT activity is different in different vegetation,which illuminates different vegetation has different adaptive mechanism to the droughty environment.

对内蒙古西鄂尔多斯荒漠区强旱生小灌木抗氧化酶系统的研究发现，它们的膜脂过氧化程度都不高，但体内SOD、POD、CAT的活力表现不同，说明不同植物对于干旱的环境条件具有不同的适应机制。

Compounds 5, 7 and 8 were obtained from the genus Fraxinus for the first time. Compound 4 showed remarkable antioxidative activity, which was higher than that of VE (35%).

讨论：化合物5，7，8为首次从该属植物中分离得到，其中化合物4在10-6 mol·L-1浓度能使脂质过氧化产物MDA的生成抑制50%以上，强于阳性对照药VE(抑制率35％)，具有显著的抗氧化作用。

Observation was made on the content of malondialdehyde. Results Compared with MC group, the increases of MDA content in the membrane induced by XanXO system, H2O2 or UV light in all of the three Punica granatum L.group were inhibited dosedependently.

结果 同MC组相比，三组石榴皮提取物对黄嘌呤－黄嘌呤氧化酶系统、H2O2及UV照射3种方法引起的细胞膜脂质过氧化产物丙二醛的生成增加均有抑制作用，且有一定的剂量依赖关系。

Observation was made on the content of malondialdehyde. Results Compared with MC group, the increases of MDA content in the membrane induced by Xan?XO system, H2O2 or UV light in all of the three Punica granatum L.group were inhibited dose?dependently.

结果 同MC组相比，三组石榴皮提取物对黄嘌呤－黄嘌呤氧化酶系统、H2O2及UV照射3种方法引起的细胞膜脂质过氧化产物丙二醛的生成增加均有抑制作用，且有一定的剂量依赖关系。

Low molecular hirudo peptides have protective effects on focal cerebral ischemia injury, and its mechanism may be related to the antioxidant action.

水蛭多肽对于大鼠脑缺血再灌注损伤具有保护作用，其作用机制可能与抑制脂质过氧化、提高抗氧化酶活性有关。

The antioxidant activity of the dried extracts was characterized by peroxide value assay in lard and 1, 1-diphenyl-2-picryl hydrazyl radical method.

采用油脂过氧化值法和二苯三硝基苯肼自由基法研究了提取物的抗氧化活性。

It is concluded that there are increases of lipid hyperoxidation and fibrinolysis in the cerebral infarction patients and healthy older people. The results suggest that giving antioxidation and thrombolysis therapy is good to decreasing the incidence rate of older people and the death rate of cerebral infarction patients.

脑梗死及健康老年人均存在脂质过氧化和纤溶活性的增强，适当予以抗氧化及溶栓治疗是降低老年人发病率及脑梗死病人死亡率的一项有效措施。

The decreased total antioxidant capacity and the heightened free radical metabolism was one of the important causes of exercises-induced hypochrosis.

长时间大强度递增负荷跑台运动导致的总抗氧化能力下降，脂质过氧化反应增强是引起运动性低血色素的重要原因之一。

For example, when the added concentration was 0.04%, after heating for 8 days at (55±1)℃, the POV of teaseed oil added BHA, D-isoascorbic acid, ascorbyl laurate and D-isoascorbyl laurate were 66.6, 53.8, 35.0 and 20.6 meq/kg, respectively.

当添加量为油重的0.04%、在(55±1)℃下进行强氧化试验8d后，添加BHA、异V、V月桂酸酯和异V月桂酸酯的茶籽油的过氧化值分别为66.6、53.8、35.0和20.6 meq/kg。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。