From by-product to valuable components: Efficient enzymatic conversion of lactose in whey using β-galactosidase from Streptococcus thermophilus

•Overexpression of a β-galactosidase in a food-grade host organism.•Efficient enzymatic conversion of lactose in whey using a crude enzyme extract.•Production of valuable food ingredients from an important by-product. β-Galactosidase from Streptococcus thermophilus was overexpressed in a food-grade...

Ausführliche Beschreibung