广州市食物硒含量及居民硒摄入量

调查了广州市常见食物中的硒含量.结果表明:动物性食品内脏、水产品、蛋类和羊肉等食品中的硒含量最为丰富(>150.0μg.kg-1);谷物与豆类中的硒含量相近(46.5～98.3μg.kg-1);蔬菜(15.8μg.kg-1)和水果(4.97μg.kg-1)中硒含量均较低;菌类在植物性食品中的硒含量最高(46.0μg.kg-1).广州市居民硒摄入量为98.5μg.d-1.其中,动物性食品占总硒摄入量的73.7%;植物性食品占26.3%;水产品和猪肉均占22.0%以上;大米占17.2%.广州市食品中的硒含量和居民每日硒摄入量能满足人体生理需要.

Food selenium content and resident daily selenium intake in Guangzhou City

The investigation on the food selenium content in Guangzhou City of Guangdong Province showed that viscera of animal foods, aquatic products, eggs, and mutton were abundant with selenium ( > 150.0 microg x kg(-1)), followed by cereals and beans (46.5-98.3 microg x kg(-1)), vegetables (15.8 microg x kg(-1)), and fruits (4.97 microg x kg(-1)). Among vegetable foods, mushroom had the highest selenium content (46.0 microg x kg(-1)). The daily selenium intake of residents in Guangzhou was 98.5 microg, in which, 73.7% was contributed by animal foods, and 26.3% was from vegetable foods. Aquatic products, pork and rice contributed 24.8%, 22.3% and 17.2%, respectively. The food selenium content and resident daily selenium intake in Guangzhou could meet the demand of human health in the City.