what is the definition of dextrinization
Making the world better, one answer at a time. Dextrinization is the browning of starch goods when subjected to dry heat. On dry heating, the starch in the food goes through a chemical reaction. During this reaction, the starch molecules break down into dextrin (hence the name).Examples of dextrinization are toasting bread, and baking biscuits and cakes.n dry heating, the starch in the food goes through a chemical reaction. During this reaction, the starch molecules break down into dextrin (hence the name). Examples of dextrinization are toasting bread, and baking biscuits and cakes.