[The effect of thiamine and its metabolites on pepsin and trypsin activity]. / Vplyv tiaminu ta iogo metabolitiv na aktyvnist' pepsynu i trypsynu.

The presence of thiochrome in the incubation medium increases the pepsin activity. Thiamine pyrophosphate decrease the pepsin and trypsin activity. The established facts may be important for the physiological regulation of proteases activity in the stomach-intestine tract.