【摘要】 为了解经济条件较差的学生的膳食营养状况，对沈阳市体育运动学校农村定向培养师资班的58名男生（15～18岁）进行人体测量、三天称重法膳食调查、24小时尿中维生素C、维生素B2排出量检测。结果表明，膳食中食物种类单一，动物性食品少。热能摄入量平均每人每日为12301kJ（2490kcal），蛋白质的平均摄入量为74．7g，钙、维生素A、维生素B1、维生素B2缺乏严重，仅达供给量的50％左右。24小时尿中维生素C平均含量为29.6±17．3mg，维生素B2平均含量为143．6±56.9μg。更多还原

【Abstract】 In order to understand the nutritional status of students in lower financial condition, basic anthropometic measurements,a three day food record was made and 24-h urinary vitamin C and vitamin B2 contents were detemined in fifty-eight studens aged 15 -18 years in class of teacher-training for rural areas at shenyang sports school. The average intakes of energy and protein were 12301 KJ (2940Kcal)and 74.7g and amounted to 104% and 85.6% of their corresponding RDA. The diets of studcnts were lower in calcium, vitamin A,vitamin B1 and viamin B2, their intakes accounted for 50%of RDA only. The contents of vitamin B1 and vitamin B2 were 29.6±17.3mg and 143.6±56.9mg in 24-h urine.更多还原