近年来,一些营养专家在研究我国变化中的膳食结构时发现,在经济发展水平较高的沿海开放地区和一些大中城市,居民膳食组成“西化”的倾向已十分明显,即过多地消费动物性食物和油脂。全国的恶性肿瘤与慢性病患者已达7000万人,每天约1.5万人死于慢性病,占全部死亡人数的70％以上。专家认为,产 In recent years, when some nutrition experts studied the dietary structure in China’s changes, it was found that in the coastal open areas with high levels of economic development and in some large and medium-sized cities, the tendency of residents’ diet to “westernize” has become very obvious, that is, excessive consumption. Animal foods and fats. The country has reached 70 million patients with malignant tumors and chronic diseases. About 15,000 people die from chronic diseases every day, accounting for more than 70% of all deaths. Experts believe that production