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近年来随着人民生活水平的提高,人们的饮食结构发生了变化,饮食日趋精细,蛋白质、脂肪和糖类的摄入比例逐渐增大,而维生素和矿物质的摄入却越来越少,由此导致营养失衡的现象在当今社会尤其是大中城市中日益严重,突出表现为一系列与营养相关的疾病如心脑血管疾病、糖尿病、胃肠疾病、肿瘤、肥胖等的发病率逐年上升,成为威胁
In recent years, with the improvement of people’s living standards, people’s diet structure has changed, the diet becomes more sophisticated, the proportion of protein, fat and carbohydrate intake gradually increases, while the intake of vitamins and minerals is less and less, The resulting nutritional imbalances have become increasingly serious in today’s society, especially in large and medium-sized cities, with a marked increase in the incidence of a series of nutrition-related diseases such as cardiovascular and cerebrovascular diseases, diabetes, gastrointestinal diseases, tumors and obesity. , Become a threat