农村定向男学生的膳食营养状况调查

Nutritional Survey in Male Students Appointed to Rural Area

对沈阳市体育运动学校农村定向培养师资班的58名男学生(年龄15～18岁)进行了人体测量、三天称重法膳食调查及24小时尿中VC和VB_2排出量检测。结果表明,膳食中食物种类单一,肉类食品少;但热能摄入量比较充足,平均每人每日为12301kJ(2490kCal),达供给量标准的104％;蛋白质的平均日摄入量为74.7g,为供给量标准的85.6％,但优质蛋白仅占蛋白总量的16.7％;钙、VA、VB_1、VB_2缺乏严重,仅达供给量的50％左右。24小时尿中VC和VB_2平均含量分别为29.6±17.3mg和143.6±56.9μg。结果提示,该人群的膳食营养状况较差。

Fifity-eight male students aged 15-18 years old in the class of teacher-training for rural in Shenyang sport school were chosen. The basic anthropometric measurements, a 3-d food record and 24-h urinary vitamin C and vitamin B2 excretion were collected. The results showed that the average consumption of energy was 12301kJ (2940kCal) per day, constituted 104% of the RDA. The average consumption of protein was 74. 7g and excellent protein constituted 16. 7% of the total protein. The students consumed a very low amount of calcium, vitamin A,vitamin B] and vitamin B2. They accounted for only 50% of the RDA. 24-h urinary vitamin C and vitamin B2 excretion was 29. 6+17. 3mg and 143. 6 i5 6. 9/ig respectively. It was indicated that the dietary nutritional status of the students was poor.