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A model for starch breakdown in higher plants

1974; Elsevier BV; Volume: 13; Issue: 8 Linguagem: Inglês

10.1016/0031-9422(74)80289-x

1873-3700

Graham Dunn,

Enzyme Production and Characterization

An in vitro system for the breakdown of starch granules by mixtures of α- and β-amylase is developed and discussed with reference to information concerning the degradation of starch in vivo. β-Amylase has no action on starch granules and has very little effect on the rate of starch granule digestion by α-amylase. It does, however, affect the product distribution in an α-amylase digest and is considered to attack dextrin intermediates produced by the action of α-amylase on the starch granules.