这些化合物能消除过氧化氢等自由基，而要维护健康的新陈代谢功能的话，必须把这些自由基从细胞中清除出去。
These compounds have the ability to scavenge free radicals such as hydrogen peroxide, which must be removed from cells to maintain healthy metabolic function.
同时它还降低了过氧化氢物的含量，过氧化氢物是另外一族能导致细胞破坏的化合物。
It also cut the level of hydroperoxides, another group of oxidising agents that cause cell damage.
过氧化物：任何由两个氧原子以单个共价键相互结合在一起的一类化合物。
Peroxide: Any of a class of chemical compounds in which two oxygen atoms are linked by a single covalent bond.
氢过氧化物是不稳定的化合物。
通过氧化反应可以由芳香族化合物得到酚、醛、酮、醌和羧酸等重要的有机中间体和精细化学品。
Phenols, aldehydes, ketones, quinones, carboxylic acids and many other important organic intermediates for fine chemicals can be obtained by oxidizing aromatic compounds.
过氧化脲是过氧化氢和尿素的加成化合物。
Urea peroxide is the additive compound of hydrogen peroxide and urea.
方法：采用体外抗小鼠肝匀浆脂质过氧化的方法对这些化合物的抗氧化活性进行评价。
METHODS: the mouse liver homogenate lipid peroxidation assay was applied for the evaluation of the antioxidant activity in vitro.
本文简要综述近年来国内外有关过氧化氢催化氧化有机化合物应用的研究进展。
This paper mainly reviews some new developments about applications of hydrogen peroxide as oxidants in catalytic oxidation of organic compounds home and abroad.
在离体实验条件下，测定了14种硝基芳烃化合物对鲤鱼肝脏过氧化氢酶的半抑制浓度ec50值。
EC50 values of 14 nitroaromatic compounds to the enzymic activity of catalase of carp liver were measured in vitro.
分别以钨酸盐、过氧杂多化合物、杂多酸为催化剂，过氧化氢氧化法合成己二酸。
Adipic acid is synthesized by oxidation hydrogen peroxide method with tungstate and peroxide heteropoly acid as catalysts.
本文综述了纸浆的氧气漂白、臭氧漂白、过氧化氢漂白、光催化漂白、过氧酸漂白中碳水化合物的保护措施。
In this paper, the protection measures of carbohydrate during pulp TCF bleaching, such as oxygen, ozone, peroxide, peracid and photochemistry reaction of bleaching, were summarized respectively.
此外，探索通过氧化或者自由基引发，对甲苯类化合物的饱和氢活化进行苄基化反应。
Furthermore, benzylation of methyl-substituted benzene by activation of saturated hydrogen through the use of oxidation or free radical initiation has been developed.
在电子供体纤维二糖存在下，CDH可以还原由豆壳过氧化物酶(SHP)氧化多种芳香化合物所生成的产物。
In the presence of cellobiose, CDH could reduce many oxidized products catalyzed by soybean hull peroxidase (SHP).
在非水介质中辣根过氧化物酶可以催化酚及芳香胺化合物聚合，脂肪酶和蛋白酶可以催化聚酯的合成。
In nonaqueous solutions, horseradish peroxidase (HRP) can catalyze the polymerization of phenols and aromatic amines. Lipases and proteases can also catalyze polyester synthesis.
综述了在甾体化合物11 -位引入羟基的各种化学合成方法，主要包括酮基还原法、上脱卤素法、硼烷双氧水法、过氧化-还原法等。
Introduction of 11-hydroxy group into steroids by chemical methods, such as keto-reduction, halogenation-dehalogenation, borane-hydrogen peroxide and peroxidation-reduction are reviewed.
综述了在甾体化合物11 -位引入羟基的各种化学合成方法，主要包括酮基还原法、上脱卤素法、硼烷双氧水法、过氧化-还原法等。
Introduction of 11-hydroxy group into steroids by chemical methods, such as keto-reduction, halogenation-dehalogenation, borane-hydrogen peroxide and peroxidation-reduction are reviewed.
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