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随着我国经济的迅速发展,人民生活水平不断提高,消费结构起着变化。在新的形势下,如何调整我国人民的食物结构,提高营养水平,是摆在我们前面一个十分紧迫的问题。一从营养学的观点出发,人类的营养主要为两部分:热能和蛋白质。提供热能的主要营养素是碳水化合物和脂肪,就其化学组成来说为无氮的有机碳类,可称为碳系营养。蛋白质是人体的生命结构物质,主要化学成分为含氮的氨基酸,属于有机氮类,可称为氮素营养。它在人体中占有非常重要的地位,人体的一切细胞、组
With the rapid economic development in our country, the people’s living standards have been continuously improved and the consumption structure has changed. Under the new situation, how to adjust the food structure of our people and raise the level of nutrition is a very pressing issue ahead of us. From the nutritional point of view, human nutrition mainly consists of two parts: heat and protein. The main nutrients that provide heat are carbohydrates and fats, which are nitrogen-free organic carbon in terms of their chemical composition and are called carbon-based nutrients. Protein is the body’s life structure substances, the main chemical composition of nitrogen-containing amino acids, belonging to the category of organic nitrogen, can be called nitrogen nutrition. It occupies a very important position in the human body, all cells of the human body, group