Chapter 1. An Overview on Starch Processing and Key Enzymes -- Chapter 2. Classification and Enzyme Properties of Starch Debranching Enzymes -- Chapter 3. Sequence, Structure, and Engineering of Microbial Starch Debranching Enzymes -- Chapter 4. Production and the Applications in Preparation of Branched Sugar Products of Starch-Debranching Enzymes -- Chapter 5. Recombinant Expression of Starch Debranching Enzymes in Escherichia coli -- Chapter 6. Production of Starch Debranching Enzymes in Bacillus Strains. Chapter 7. Applications of Starch Debranching Enzymes in Starch Processing.