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近年来美国一般家庭大约只需将其收入的16%用于购买食物,收入已经基本上不再是影响消费者选择食物的因素。但最近美国全国营养调查表明,仍有15%的被调查者有不同程度的营养不良。造成这种营养不良的主要原因是消费者缺乏营养学知识,不适当地选用食物所致。为解决这个问题,就必须让广大消费者知道如何选择符合自己营养需要的食物。为此,就有必要向他们提供一种简明扼要、不须经特殊营养学训练就可以掌握的、评价食物营养价值的方法。美国R.G.Hansen等人提出的食物“营养质量指数(Index ofNutritional Quality)”简称INQ,其
In recent years, only about 16% of its income has been spent on the purchase of food by the average American home, and income has basically ceased to be a factor affecting consumers’ choice of food. However, the recent National Nutrition Survey of the United States shows that 15% of respondents still have varying degrees of malnutrition. The main reason for this malnutrition is consumers lack of knowledge of nutrition, inappropriate use of food due. To solve this problem, we must let consumers know how to choose the food that meets their nutritional needs. For this reason, it is necessary to provide them with a concise and easy way to assess the nutritional value of food without the need for special nutrition training. The United States R.G.Hansen et al proposed food “Nutritional Quality Index (Index of Nutritional Quality)” referred to as INQ, its