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本文采用称重法对葛洲坝工区两所全日托幼机构597名2~6岁幼儿膳食进行了调查,分析幼儿膳食中每人每日热能及各种营养素平均摄入量、来源分布及其之间的比例,并与供给量标准(RDA)及合理的分配比例进行比较,同时对幼儿进行体格测量、内科检查及实验室检查。调查发现,各种营养素摄入量普遍不足;热能及多种营养素的动物性来源偏低;铁的摄入量虽达 RDA 的120%和135%,但其中易于人体吸收利用的动物性铁构成比小;一日膳食中三餐一点的供能比
In this paper, 597 children aged 2 ~ 6 years old from two full-day nurseries in Gezhouba district were surveyed by weighing method to analyze daily intake of calories and various nutrients, , And compared with the supply standard (RDA) and a reasonable allocation ratio, physical examination, medical examination and laboratory examination of young children. The survey found that all kinds of nutrient intake generally inadequate; heat and a variety of nutrients of animal origin is low; although the intake of iron up to 120% of RDA and 135%, but easy to absorb the use of animal iron composition Than small; a meal in the day for a meal of energy ratio