营养与人体健康密切相关,这正是人们重视营养的依据。人们一提起营养,自然地就是吃什么,喝什么的问题。这可能是与人类长期受饥饿威胁的历史背景分不开。由于在漫长的历史中,人类一直受到饥饿的困扰,营养缺乏严重的威胁着人类的健康和生命。我们现在所处时代,与过去大不相同了。新中国成立以来,尤其从1978年开放改革以来,食物资源越来越丰富,食品工业和食品商业空前发展,各种各样的食品琳琅满目。当前,人们对营养的认识有所转变。饮食不仅注意卫 Nutrition and human health are closely related, which is the basis for people’s attention to nutrition. People mention nutrition, nature is what to eat, drink what the problem. This may be inseparable from the historical background of the long-term threat of hunger to mankind. In the long history, mankind has been suffering from hunger. The lack of nutrition is a serious threat to human health and life. The time we are in is quite different from the past. Since the founding of New China, especially since 1978, when the reform was liberalized, food resources have become more and more abundant. The food industry and food commerce have enjoyed unprecedented growth with a great variety of food products. At present, people’s understanding of nutrition has changed. Diet not only pay attention to health