食品多洋化的目的,是通过增加食品的种类、品种,经常调换花色、品种,最终达到营养素全面、平衡;并做到营养素多方面的互补,充分发挥出每种营养素的作用,以满足人体的需要。但根据目前市场上食品供给的总趋势来看,除了米袋子、菜篮子相对丰富之外,在缺少科学指导的情况下,各种精制食品、滋补品等愈来愈多,而人们的营养状况却愈来愈差。例如最近广东营养学会的调查报告指出,广东人较普遍地出现营养缺乏,儿童营养缺乏的问题尤为严重。又例如 The purpose of multi-food food, by increasing the types of food, species, often change colors, varieties, and ultimately to achieve a comprehensive and balanced nutrients, and nutrients to do a lot of each other, give full play to the role of each nutrient to meet the human body Need. However, according to the general tendency of the food supply in the market at present, besides the rice bags and the relatively abundant food basket, in the absence of scientific guidance, there are more and more refined foods and supplements, and the nutritional status of people Getting worse. For example, the recent report of the Guangdong Institute of Nutrition pointed out that the lack of nutrition is more common among Cantonese and the problem of children’s nutritional deficiencies is particularly serious. For another example