论文部分内容阅读
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。
To understand the nutritional status of students with poor economic conditions, 58 boys (15-18 years old) from rural orientation training teachers class in Shenyang Sports School were surveyed by human body, three-day weighing diet, 24-hour urine Vitamin C, vitamin B2 emission testing. The results showed that the diet of a single type of food, animal foods less. Average energy intake per person per day 12301kJ (2490kcal), the average protein intake of 74.7g, calcium, vitamin A, vitamin B1, vitamin B2 deficiency is serious, only the supply of about 50%. The average content of vitamin C in 24-hour urine was 29.6 ± 17.3 mg and the average content of vitamin B2 was 143.6 ± 56.9 μg.