Catalysis of the hydrolysis of terminal (1->4)-linked alpha-D-glucose residues successively from non-reducing ends of the chains with release of beta-D-glucose.
Source:EC:3.2.1.3
Comment
Note that this term is not a child of 'alpha-glucosidase activity ; GO:0090599', because in the reaction represented by GO:0004339 results in the release of beta-D-glucose, whereas in GO:0090599 alpha-D-glucose is released.