n.微量營養(yǎng)素；微量元素

Selenium is the necessary micronutrient in the living process of humanbeing and animals. 硒是人體和動物生命過程中必需的微量營養(yǎng)素。

Copper is a micronutrient that serves as an essential factor to all organisms. 摘要銅是各種生物都必需的一種微量元素。

There are many kinds of micronutrient elements contained in foods that are vital to human health. 摘要食品中含有與人體健康密切相關(guān)的多種微量元素，微量元素的毒性和生物有效性取決于它們的化學(xué)形態(tài)。

微量元素