188 



PASTEURISED OR HEATED MILK 



peroxidase reaction is inversely proportional to the intensity 

 of the heat treatment and a similar indication is given if more 

 than twenty to twenty-five minutes are required to discharge 

 the blue colour in the reductase test. 



The results obtained by the author on the effect of heat on 

 the peroxidase and reductase tests are given in Tables LXII and 

 LXIII. 



TABLE LXII 

 EFFECT OF HEAT ON PEROXIDASE TEST 



TABLE LXIII 

 EFFECT OF HEAT ON REDUCTASE TEST 



Duration of 



Time (Minutes) Required for Discharge of Colour after Heating 

 to (Sample less blank). 



