抄録
In healthy male adults and patients the urinary and fecal excretion of thiamine were observed. 1) In 4 healthy male adults the values of urinary excretion of thiamine were between 150 and 215μg/day after 890μg/day of thiamine intake. 2) In patients the urinary excretion of thiamine was less than in cases of healthy adults. 3) There was no correlation between the fecal excretion of thiamine and its urinary excretion.