微维营养片对农村苗族学龄前儿童营养调查及干预评价

对160名农村苗族学龄前儿童进行了膳食营养状况调查，并分组补充微维营养素进行营养干预试验。结果表明，苗族学龄膳食儿童热能及蛋白质基本达到RDA，但钙、核黄素、维生素A缺乏明显，膳食结构不合理，贫血发生率高，补充微量元素和维生素对儿童贫血有明显改善作用。提出了几项促进学龄儿童营养健康的建议措施。

Evaluation on Nutrition Intervention Effect of Nutrients among Rural Miao Minority Preschooler's

A nutrition survey among 160 rural Miao minority preschooler's were conducted,and grouped nutritional intervention were conducted through intake of nutrients(vitamin and minerals)and blank control.The results show that the energy and protein intake among Miao preschooler have met recommended dietary allowance(RDA),but the intake of calcium,zinc,vitamin B 2 and vitamin A are inadequate,the dietary structure is unreasonable.The prevalence of anemia is high.The supply of vitamin and minerals has remarkable effect in reducing.The incidence of anemia,several suggestion were put forward to improve the nutrition and health status among preschooler.