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在膳食中缺乏维生素E和硒的情况下,某些动物的细胞膜及亚细胞器的膜将由于体内脂质过氧化物的累积而遭受损害。当膳食中补充维生素E和硒后则有防止脂质过氧化的作用。为了观察不同硒水平的人及动物机体内脂质过氧化物的累积情况而建立了脂质过氧化物的测定方法—TBA值的荧光测定法,并应用此方法试测了不同硒水平的人及动物血清和组织中脂质过氧化物含量即TBA值。
In the absence of vitamin E and selenium in the diet, membranes of some animals and membranes of subcellular organelles will be compromised by the accumulation of lipid peroxides in the body. When the diet supplemented with vitamin E and selenium have the role of preventing lipid peroxidation. In order to observe the accumulation of lipid peroxides in human and animal body with different selenium levels, a fluorescence titration method of lipid peroxides (TBA) was established and used to test the effect of different selenium levels And animal serum and tissue lipid peroxide content or TBA value.