广东省某民办中学膳食中微量元素调查及其评价

Survey of Trace Elements and Value for Nutrition on Dietary of a Middle School Run by Local People in Guangdong

为调查和评价民办中学膳食中微量元素营养情况,探讨最佳膳食模式,全面改善学生的营养,采用称质量法调查三天膳食。结果表明,每人每天微量元素摄入量(RDA)为:Ca523.00mg、Fe10.72mg、Zn10.91mg、Se58.07μg;用RDA标准评价,Ca、Fe、Zn、Se达标率(%)分别为:初中男生45.58、76.00、68.07、100.00;女生33.59、39.50、50.00、100;高中男生52.80、70.87、77.00、100.00;女生47.50、46.70、76.33、100.00。结论是该中学学生Se达标;Ca、Fe、Zn均未达标,有待研究最佳膳食模式,全面改善学生营养。

To survey of trace dements and value for nutrition on dietary of a middle school nm by the local people, probe into the best dietary standard, all-round improve nutrition of the students, the balance weight method was used for the dietary survey. The results show take in quantity of the every, one every day： Ca 523.00 rng, Fe 10.72 nag, Zn 10.91 nag, Se 58.07μg. Using RDA standard to value, Ca, Fe, Zn, Se reach standard rate （ % ） ： junior middle school man students 45.58, 76.00, 68.07, 100.00; woman students 33.59, 39.50, 50.00, 100.00, senior middle schoolman students 52.80, 70.87, 77.00, 100.00; woman students 47.50, 46.70, 76.33, 100.00. It conclusded middle school students reached RDA standard of the Se, but Ca, Fe, Zn all not reached RAD standard. The best dietary standard was remain to be study all-round improve nutrition of the students.