北京市中小学校自供营养午餐营养质量分析

目的了解北京市中小学校自供营养餐的营养质量,为改善学生营养午餐提供依据。方法在对北京市东城区6所自供餐学校提供的营养食谱分析的基础上,对东城区自供餐的1所中学、1所小学采用记账法进行为期1周的膳食调查,并通过现场观察法调查用餐学生的剩饭情况;同时采用典型抽样的方式抽取东城区、海淀区10所自供餐学校的中小学生3 761名进行问卷调查,评价学校供餐的感官质量。结果学校自供营养餐中铁、锌、B族维生素供应量达到标准,能量、蛋白质严重超标,钙供给量不足;学生对午餐色、香、味满意度分别为42.1%,42.6%和42.4%,形的满意度最差(25.1%);总体剩饭率为29.8%。结论学校自供餐营养质量、感官质量均有待进一步提高,学校营养教育有待加强,学生饮食行为有待改善。

Nutrition quality of self-feeding lunch in the primary and secondary schools in Beijing

Objective To have a knowledge of the quality of nutrition in the self-feeding lunch in the primary and secondary schools in Beijing.Methods After analyzing nutrient on the food-menu provided by six schools in Dongcheng District,one primary and one secondary schools were chosen during April 2 to 6,2007.We took a one-week dietary survey and recorded the leftover of meals by students through on-site observation.And in order to have an understanding of students’ attitude towards the nutrition lunch,we used typical sampling method and obtained ten schools in Dongcheng District and Haidian District,including 3 761 individuals.Results Nutrients were measured up in the primary and secondary schools under investigation.Iron,zinc,and vitamin B were up to the standard,while energy and protein were over supplied,and calcium intake was in shortage.The satisfaction evaluation of food on color,odor and favor were 42.1%,42.6% and 42.4%.The look of food was the least satisfied(25.1%);the leftover rate was 29.8%.Conclusion The self-feeding nutrition lunch is an important part of school feeding,however,the quality of nutrition and style needs improving.Furthermore,the education on nutrition and knowledge of healthy eating habits should be strengthened.