银川市某私立学校学生膳食营养状况

目的了解私立学校学生膳食营养状况，为改善学生膳食结构提供科学依据。方法用记帐法和称量法调查某私立学校住宿学生1007名的膳食情况。结果平均每人每日能量和各种营养素摄入量为：能量13．05Mj（3120kcal），蛋白质85．4g，脂肪92.6g，碳水化合物486.2g。蛋白质、脂肪、碳水化合物供能比分别为10.96％，26．64％，62．30％，蛋白质供能占总能量比例低于12％。常量及微量元素中钾、钠、磷、镁、铁、铜、锰及维生素PP均达《中国居民膳食营养素参考摄入量》（DRIs）要求，但维生素A、维生素B1、维生素C、维生素E、钙、锌、硒摄入量不足。结论应加强平衡膳食和合理营养的教育，逐步改善学生的营养状况。

Dietary and Nutrition Status Among Students in a Private School in Yinchuan

Objective To understand dietary and nutrition status of private school students,and to provide scientific evidence for improving students' dietary consumptions.Methods Dietary survey was conducted among 1 007 boarders by using daily weighting method combined with food records.(Results)(The mean daily) intakes of energy,protein,fat and carbohydrate were 13.05MJ(3 120 kcal),85.4 g,92.6 g and 486.2 g,respectively.The energy ratio of protein,fat and carbohydrate was 10.96%,26.64% and 62.30%.The energy from protein was less than 12% of total energy.The mean daily intakes of K,Na,P,Mg,Fe,Cu,Mn and vitamin PP were within the normal range given by DRIs.But the mean daily intakes were deficient in vitamin A,vitaminB_1,vitamin C,vitamin E,Ca,Zn and Se. Conclusion It is necessary to enhance the dietary nutritional education,so as to improve students' nutritional status.