罗湖区12所幼儿园儿童维生素A营养调查分析

目的：了解罗湖区幼儿园儿童维生素A（VA）营养状况。方法：对儿童进行血清VA测定、体检;对在园儿童膳食用称重法进行营养调查分析;就儿童的饮食习惯对食物的态度向保育员、家长、儿童进行问卷调查。结果：被抽查儿童的平均血清VA水平为44．8ug/dl,但有16．1％的儿童血清VA＜30ug/dl,其中有0．99％的儿童血清VA在10－19ug/dl之间。私立幼儿园血清VA处于低水平的儿童比例较高。少数幼儿园的儿童膳食视黄醇摄入量存在严重不足;对富含视黄醇的食物的态度调查显示,血清VA水平低组儿童比高组儿童较明显地存在着挑食、偏食现象;血清VA＜30ug/dl组儿童在体检中发现少数有轻度VA缺乏临床表现。结论：罗湖区幼儿园儿童血清VA平均水平基本处在正常范围内,但有15．1％物儿童血清VA水平处于可疑为亚临床维生素A缺乏症（SVAD）范围,有0．99％的儿童可肯定SVAD。少数园所儿童膳食中的视黄醇摄入量存在阶段性或长期性不足。幼儿园儿童SVAD的发生与儿童在园膳食营养供给及饮食习惯有关。集体儿童营养监督监测必须加强。

Vitamine A Nutritional Survey Children in Twelve Kindergartens Shenzhen Luohu District

Objective:To known vitamine A nutritional state of the children in kindergarten Shenzhen Luohu district. Methods: Carry on Vit A de-termnine of the blood serum for children, and physical checkup, and dietary nutritional survey, and questionnaire survey. Results: "The blood serum Vit A average value are 44. 8ug/dl, but have 16.1 % children Vit A < 30ug/dl, inside have 0.99% between 10 - 19ug/dl. The proportion of blood serum Vit A lower is higher in private kindergarten. The mean intakes of Vit A is serious not enough than RDA levels In a few kindergarten. The children of low group Vit A exist Obvious choose and partiality for particular kinds of food than Normal group, and in a few children found the light Vit A deficient clinical display.Conclusions:The mean levels of children blood Vit A basic in normal range,but have 15.1% In dubious SVAD range, and 0.99% may affirm to SVAD.The mean intake of Vit A exist insufficient in stage or longer-term Among children diete in a few kindergartens. Occur of SVAD in Children and diete nutrition provide and habit and diete habit Relate.The nutritional control and monitor of ceUective children must strengthen.