在我国的膳食之中,核黄素(维生素B2)的供应量,一般来说是不很够的。根据杨恩孚氏等1953年在北京的聿筑工人的膳食调查,每日每人的核黄素进食量只有0.63—0.70毫克,陈学存氏等1955年的报告,北京某学校学生核黄素的进食量为0.87毫克。从广州市学校与儿童機關的膳食调查中,结果发现广州市儿童的核黄素进食量特别的低,每人每日的进食量一般是在0.4—0.5毫克左右,有个别機构甚至低到0.3毫克,也有很少数可以高到0.6毫克。 In our diet, the supply of riboflavin (vitamin B2) is generally not enough. According to Yang Enfu’s dietary survey conducted by Yu-workers in Beijing in 1953, the daily intake of riboflavin per person was only 0.63-0.70 mg. According to the 1955 report by Chen Xue-cun, the intake of riboflavin by students in a Beijing school 0.87 mg. From the Guangzhou city school and children’s dietary survey, the results found that Guangzhou children’s riboflavin intake is particularly low, the daily intake per person is generally 0.4-0.5 mg, there are individual institutions or even low 0.3 mg, there are very few can be as high as 0.6 mg.