the levels of the brush-border enzymes sucrase ( sucrose glucohydrolase , ec 3.2.1.48 ) , isomaltase ( oligo-1,6-glucosidase , ec 3.2.1.10 ) , maltases 2 and 3 ( glucoamylase , ec 3.2.1.3 ) , lactase ( beta-galactosidase , ec 3.2.1.23 ) and trehalase ( ec 3.2.1.28 ) and adsorbed pancreatic alpha-amylase ( ec 3.2.1.1 ) have been measured at twenty-one positions along the small intestines of eighty-four pigs of different ages ranging from 3 weeks to 4.5 years .
C0017764
glucosidase
C0015278
glucoamylase