Step 1: Understanding the Concept:
Baking involves complex coupled heat and moisture transfer along with biochemical reactions in the dough/batter.
Step 2: Detailed Explanation:
Desirable bakery quality attributes include:
1. Heat-induced surface changes (Statement A): Crust formation, caramelization, and Maillard browning to provide golden color, crispness, and aroma.
2. Moisture retention in the interior (Statement B): Maintaining crumb moisture to ensure softness, elasticity, and delay staling.
Loss of interior moisture leads to dry, crumbly defects, while moisture gain at the surface produces a soggy crust.
Step 3: Final Answer:
Therefore, the desirable quality characteristics are statements A and B.