Maltase(EC3.2.1.20,alpha-glucosidase,glucoinvertase,glucosidosucrase,maltase-glucoamylase,alpha-glucopyranosidase,glucosidoinvertase,alpha-D-glucosidase,alpha-glucoside hydrolase, alpha-1,4-glucosidase, alpha-D-glucoside glucohydrolase) is one type of alpha-glucosidase enzymes located in the brush border of the small intestine.