我院学生维生素营养状况的初步研究

VITAMIN STATUS OF STUDENTS OF BEIJING INSTITUTE OF PHYSICAL EDUCATION

对我院学生机体维生素A、维生素B_2和维生素C 的营养状况进行了研究。使用国产YA—Ⅱ型暗适应计对110人进行了维生素A 的测定,暗适应时间均值为48.04±21.03s;采用4h 维生素负荷试验,对43人进行了尿中维生素B_2和维生素C 的测定,尿中维生素B_2排出量男女分别为:1150.28±1837.50μg 和867.20±564.70μg,总缺乏率和不足率分别为20.9%和48.8%;尿中维生素C 排出量平均值为13.54±25.20mg,总缺乏率和不足率均为34.6%.

The status of vitamin A,B_2 and C of the students of Bei-jing Institute of Physical Education were investigated.A Chinese-madeYA-Ⅱ dark adaptometer was used to measure the status of vitamin A of110 students.The mean time of dark adaptation was 48.4±21.03 s.Vitaminloading experiment for four hours was made on 43 students to measure thestatus of vitamin B_2 and C.The excretory vitamin B_2 in urine of male andfemale students were 1150.28±1837.50μg and 867.20±564.70μg respecti-vely;the percentage of serious deficiency was 20.9% and the percen-tage of deficiency was 48.8%.The mean excretory vitamin C in urine-was 13.54±25.20mg and the percentage of serious deficiency and thepercentage of deficiency were both 34.9%.