these were a baseline control group ( 0 ) that was killed to analyze initial intestinal disaccharidase ( sucrase and maltase ) activity , a second group ( a ) fed a zinc-deficient diet for 1 week , a third group ( b ) pair-fed control for a , a fourth group ( c ) fed a zinc-deficient diet for 2 weeks , a fifth group ( d ) pair-fed control for c , a sixth group ( e ) fed a zinc-deficient diet for 3 weeks , and a seventh group ( f ) pair-fed control for e .
C0012610
disaccharidase
C0038634
sucrase