定义：由于饮食中长期缺乏维生素和矿物质而引起的微量营养物缺乏症，通常没有明显警示信号。
Definition: micronutrient deficiency caused by a chronic lack of vitamins and minerals that often has no visible warning signs.
更为重要的是，植酸酶可使植酸盐蛋白质复合物降解从而提高蛋白质的利用率，减少植酸盐对微量元素的螯合，提高饲料的营养价值。
The more important thing was to promote the utilization of protein for combined protein, reduce the combination of phytate and microelement and increase the nutrient value of feedstuff.
全谷类食品是食物碳水化合物、微量营养素和植物固醇的来源。
Whole grain foods are a source of dietary carbohydrates, micronutrients and phytochemicals.
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