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什么是营养素?营养素是指维护人体健康以及提供生长发育所需的各种食物当中所含的营养成分。主要有:蛋白质、脂肪、糖(碳水化合物)、维生素、矿物质(无机盐)、水和粗纤维等七类。其中蛋白质、脂肪、糖人体需要量最大,通常被称为“三大营养素”。 现今人们的自我保护意识提高,已不只简单地要求吃饱、吃好,还要吃出营养、吃出健康。这是因为一个人从小到大,生长发育,新陈代谢,一时一刻也离不开营养素,而营养素则主要来自饮食。食物中营养素含量的多少和质量的好坏,是决定人体健康的
What is a nutrient? Nutrients are defined in the maintenance of human health and provide the necessary growth and development of various foods contained in the nutritional content. Mainly include: protein, fat, sugar (carbohydrates), vitamins, minerals (inorganic salts), water and crude fiber seven categories. One of the largest protein, fat, sugar, human needs, is often referred to as “the three major nutrients.” Nowadays, people’s self-protection awareness has not only simply asked to eat, eat well, but also to eat nutrition, eat healthy. This is because a person from small to large, growth, metabolism, moment to moment also inseparable from nutrients, while nutrients are mainly from the diet. The amount of nutrients in the food quality and quality is determined by human health