Lactase ( also known as "'lactase-phlorizin hydrolase "', or "'LPH "'), a part of the ?-galactosidase family of enzymes, is a glycoside hydrolase involved in the hydrolysis of the disaccharide lactose into constituent galactose and glucose monomers.
12.
"' Phlorizin "', or "'phloretin-2'- ?-D-glucopyranoside "', also referred to as "'phloridzin "'and other names is a glucoside of phloretin, a dihydrochalcone, a family of bicyclic flavonoids, which in turn is a subgroup in the diverse phenylpropanoid synthesis pathway in plants.