beta-amylase activity
Catalysis of the reaction: (1,4-alpha-D-glucosyl)(n+1) + H2O = (1,4-alpha-D-glucosyl)(n-1) + alpha-maltose. This reaction is the hydrolysis of 1,4-alpha-glucosidic linkages in polysaccharides so as to remove successive maltose units from the non-reducing ends of the chains.
GO:0016160
amylase activity
is_a
4-alpha-D-glucan maltohydrolase activity
related
beta amylase activity
related
glycogenase activity
broad
saccharogen amylase activity
related