1963 Volume 28 Issue 6 Pages 574-577
Following oral administration of TPD-^<35>S (outer), TPD or thiamine to rats, the amounts of total thiamine and ^<35>S in the intestinal wall and its contents were determined. It was found that TPD was mainly absorbed in the upper part of small intestine with in 30 minutes after an oral administration. It was also observed that propysulfide part was absorbed more quickly in intestine than thiamine.