to test the possibility that thiocyanate was catalyzing the formation of carcinogenic nitrosamines from amines and nitrite in the food , a group of 20 male and 20 female rats was given a higher dose of sodium thiocyanate ( 0.32 % ) together with sodium nitrite ( 0.2 % ) in drinking water .
C0028137
nitrite
C0037532
sodium nitrite