the activities of lactose dehydrogenase ( ec 1.1.1.27 , ldh ) and glucose-6-phosphate dehydrogenase ( ec 1.1.1.49 , g6pdh ) were found to be significantly ( p less than 0.05 and p less than 0.01 respectively ) increased in cu-deficient animals and g6pdh activity was significantly ( p less than 0.01 ) decreased as a result of lactose consumption .
C0022917
ldh
C0030016
ec 1