硒(Selenium)目前已被认为是人体及动物所必需的微量元素之一。缺硒不仅影响机体的的正常发育,而且还可引起多种疾病(克山病,白肌病等)的发生。自1973年发现硒是谷胱甘肽过氧化物酶(GSHPx)的一个重要组成部分以来硒的生物效应日益受到重视,硒不仅在机体的抗氧化过 Selenium is now considered to be one of the trace elements essential for human and animal life. Se deficiency not only affects the body’s normal development, but also can cause a variety of diseases (Keshan disease, white muscle disease, etc.) of the occurrence. Since the discovery of selenium as an important component of glutathione peroxidase (GSHPx) in 1973, the biological effect of selenium has been paid more and more attention. Selenium is not only the anti-oxidant