A HUMAN NECESSITIES
A21 BAKING; EDIBLE DOUGHS
A21D TREATMENT OF FLOUR OR DOUGH FOR BAKING, e.g. BY ADDITION OF MATERIALS; BAKING; BAKERY PRODUCTS
A21D8/00 Methods for preparing or baking dough
A21D8/02 Methods for preparing dough; Treating dough prior to baking
A21D8/04 treating dough with microorganisms or enzymes
A21D8/042 with enzymes