【摘要】 随机选择本校大学生60人,分试验、对照两组,试验前对两组进行两次,共计十天的营养膳食调查,发现学生缺乏维生素A、B₂,蛋白质和热量供给不足。让试验组连续三个月食用营养配餐,调整膳食结构。结果表明:试验组膳食中各种营养素均达到或超过供给量标准,蛋白质在质上是良好的;热能来源分配合理;体格检查阳性四项五人体征消失,暗适应能力均低于25秒,硫胺素、核黄素、抗坏血酸负荷实验及血红蛋白、血浆总蛋白均属正常。更多还原

【Abstract】 60 students from the class of 1988 of Hygiene Department of Henan Med. Univ.were chosen at random and divided into the Test Group and the Control Group.Ina period of ten days, all subjects were tested twice to evaluate their dietary intake.The results showed the insufficiency of Vitamins A and B2, and the lack ofedequate protein.After these tests, the Test Group was given a prepared diet for aperiod of 3 months which was sufficient in nutrients and at a similiar price to thedief for the Control subjects. The results showed that all nutrients required were ator above the standard of allowance, that protein intake was adequate and of goodquality, and that the sources of energy were rationally allocated. The physicalexa-mination of the 5 male subjects in the Test Group showed the disappearance ofone or more physical signs (glossitis, perliche, gingivitis and dry skin). The abilityof visual dark adaptation was lower than 25 seconds. The experiment showed thatthe levels of thramine, riboflavin and ascorbic acid as well as hemolobin and pla-sma proteins were all in the normal range.更多还原