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人体对维生素的需求量很小,但它却是人体不可缺少的营养素,在调节物质代谢、促进生长发育和维持生理功能等方面,都发挥着重要的作用。维生素A●维生素A的三大作用1.促进生长发育。维生素A能够提高机体对蛋白质的利用率,促进体内组织蛋白的合成,加快细胞分裂速度,刺激新细胞的生长,从而促进儿童的生长发育。
The body’s demand for vitamins is small, but it is an indispensable nutrient in the human body and plays an important role in regulating metabolism, promoting growth and maintaining physiological functions. Vitamin A ● three major roles of vitamin A 1. Promote growth and development. Vitamin A can improve the body’s utilization of protein, promote the synthesis of tissue protein in the body, speed up the rate of cell division, stimulate the growth of new cells, thereby promoting children’s growth and development.