Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
2099780 | Trends in Food Science & Technology | 2015 | 14 Pages |
Abstract
•Rate limiting step in starch digestion controls levels of amylase resistance.•Local starch molecular density major rate-controlling structural feature.•High density achieved by (re-)crystallization or dense amorphous packing.
To aid in the design of starch-containing foods with slow and/or incomplete digestion in the upper gastrointestinal tract, the starch structural factors which control the rate of action of alpha-amylase are reviewed. It is concluded that local starch molecular density has the major influence on amylase digestion kinetics, and that density sufficient to either limit enzyme binding and/or slow down catalysis can be achieved by either crystallization or dense amorphous packing.
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Authors
Bin Zhang, Sushil Dhital, Michael J. Gidley,