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本文用全血谷胱甘肽还原酶（ＢＧＲ）的活性系数（ＡＣ）与任意克肌酐尿中核黄素排出量作为指标评定煤矿工人核黄素需要量。结果表明：当每日核黄素摄入量由２．４８ｍｇ增高至２．９８ｍｇ时，其任意克肌酐尿中核黄素排出量突然升高，ＡＣ值明显下降，并有显著性差异。因些，初步认为，煤矿工人核黄素的适宜需要量为２．９８ｍｇ。
In this paper, the activity coefficient of whole blood glutathione reductase (BGR) (AC) and any gram creatinine urine riboflavin excretion as an indicator to assess the requirements of coal miners riboflavin. The results showed that when the daily intake of riboflavin from 2.48mg to 2.98mg, any of a gram of creatinine in urine suddenly increased riboflavin, AC value decreased significantly, and there was a significant difference. Because of these, initially considered, coal miners suitable riboflavin needs 2.98mg.