Lactase in Dairy Processing: Current Advances, Challenges, and Future Directions — A PRISMA-Informed Narrative Review
Lactase (β-galactosidase, EC 3.2.1.23) hydrolyses lactose into glucose and galactose and plays a central role in the production of lactose-free and low-lactose dairy products. This review synthesizes peer-reviewed literature published mainly between 2018 and 2026 on lactase sources, mechanisms, industrial applications,...