超氧化物歧化酶(简称SOD)广泛存在于各种生物体内,为一组金属蛋白质,是催化超氧自由基歧化反应的酶类之一。机体代谢过程中连续不断地产生超氧自由基,对机体毒性很大,而动物体内的SOD对超氧自由基有清除作用。由于SOD能清除超氧自由基,故近年来SOD的研究受到国内外医药界的高度重视。普遍认为,目前多种疾病如习惯性流产、胎儿死亡,肿瘤、心脑血管疾病、动脉粥样硬化、血栓形成、肺气肿以及辐射引起的放射性疾病都与机体内SOD活性降低有密切关系。所以 Superoxide dismutase (SOD) is widely found in a variety of organisms, as a group of metal proteins, is one of the enzymes that catalyze superoxide radical dissymmetry reactions. Continuous metabolism of the body to produce superoxide radicals, the body of a great deal of toxicity, while the body of animal SOD scavenging superoxide. Since SOD can scavenge superoxide radicals, the research of SOD in recent years has been highly valued by the pharmaceutical circles at home and abroad. It is generally accepted that many current diseases such as habitual abortion, fetal death, cancer, cardiovascular and cerebrovascular diseases, atherosclerosis, thrombosis, emphysema and radiation-induced radiation diseases are closely related to the decrease of SOD activity in the body. and so