硒是生态环境中的一个重要微量元素。1957年施瓦茨发现，硒有抗氧化作用，并首次提出硒是人体的必需元素。同年，谷跳甘肽过氧化物酶被发现。1971年，Rotz－uch证明，硒是该酶的组成成分。1973年，世界卫生组织宣布硒是人体生命的必需元素。近年，德国植物营养学家已将硒列于植 Selenium is an important trace element in the ecological environment. Schwartz found in 1957, selenium has antioxidant effects, and for the first time proposed that selenium is an essential element of the body. In the same year, kuihulin-glycogen peroxidase was found. In 1971, Rotz-uch proved that selenium is a component of the enzyme. In 1973, the World Health Organization declared selenium an essential element of human life. In recent years, German plant nutritionists have selenium listed in the plant