Immobilization of Aspergillus oryzae  β-Galactosidase on Cellulose Acetate-Polymethylmethacrylate Membrane and Its Application in Hydrolysis of Lactose from Milk and Whey

Table 1

-Galactosidase immobilized on CA-PMMA.

Enzyme activity loaded; ( Units)	Enzyme activity in washes; ( Units)	Activity bound on CA-PMMA		Activity yield (%)
		Theoretical	Actual =
15000	1256	13744	12782	93

Each value represents the mean for three independent experiments performed in triplicates, with average standard deviations, <5%.