抄録
Thiamine contents in pea seedlings and some fully grown plant leaves increased in vivo by administering both the pyrimidine derivative and the thiazole or the pyrimidine derivative only.
The enzyme system for the synthesis of thiamine, condensing both the pyrimidine and thiazole moieties in the presence of ATP and Mg2+, failed to be found in the homogenates of various plant leaves.
