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为了解玉溪市第一幼儿园儿童的膳食结构和营养状况，采用称重法对该幼儿园就餐儿童进行了连续5天的营养调查。调查发现热量、蛋白质、钙、硒、VitB1摄入不足，分别达供给量的89％、75％、36％、61％、60％和72％；热量来源与分布不合理，碳水化合物与蛋白质供热比例偏低，而脂肪供热比例偏高；在蛋白质摄入总量中，优质蛋白质偏低；各餐热量分配不合理，早餐（19％）、午点（3％）供热比例偏低，而中餐（42％），晚餐（36％）供热比例偏高。
To understand the dietary structure and nutritional status of the first kindergarten children in Yuxi City, a five-day nutrition survey was conducted on the children of kindergartens by weighing method. The survey found that the intake of calories, protein, calcium, selenium and VitB1 were insufficient, reaching 89%, 75%, 36%, 61%, 60% and 72% of the supply respectively; sources and distribution of calories were unreasonable; carbohydrate and protein supply Low proportion of heat, while the proportion of fat heating is high; in the total amount of protein intake, the quality of protein is low; the calorie distribution is unreasonable, breakfast (19%), afternoon (3%) heating ratio is low , While the proportion of heating (42%), dinner (36%) is high.