抄録
In experiments in human subject, it was found that there was a decrease in synthesis of riboflavin by intestinal bacteria when the diet was changed from an ordinary to a meat diet but with addition of cellulose, there was an increase in the synthesis of the vitamin.
When cellulose was added to a vegetable diet, the effect became even more marked. For increase in riboflavin content of the urine, the addition of meat besides cellulose had a greater effct.
