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硒是一种非金属元素,化学符号是Se。硒与人类健康长寿关系十分密切。1973年,世界卫生组织(WHO)确认:硒是人类和动物生命活动中必需的微量元素。硒还被科学家誉为“生命的火种”“抗癌之王”“长寿元素”。硒的生物学功能主要有:(1)构成人和动物至少25种含硒蛋白与含硒酶的成分(活性中心);(2)具有抗氧化作用(抗衰
Selenium is a non-metallic element, the chemical symbol is Se. Selenium and human health and longevity are closely related. In 1973, the World Health Organization (WHO) confirmed that selenium is an essential trace element in human and animal life activities. Selenium has also been scientists as “the fire of life ” “anti-cancer king ” “longevity element ”. The main biological functions of selenium include: (1) the composition of at least 25 kinds of selenium-containing proteins and selenium-containing enzymes (active centers) in humans and animals; (2) antioxidation