关键词: 硒, 代谢, 摄入量, 硒蛋白, 硒中毒

Abstract: Selenium(Se) is an important trace element for human health. The paper summarized the advances of Se metabolism and nutrition in human, covering selenium in food and absorption, concentration and distribution in human body, selenium metabolism pathway, biological activated form disease, selenium toxicity and safe daily selenium intake. On this base, Se intake research based on synthetic evaluation including distribution of selenium resources and Se reaction disease, dietary structure in china was suggested for further theoretical and practical guidance on disease control and prevention through selenium supplement.

Key words: selenium, metabolism, daily intake, selenoprotein, selenium toxicity