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

Table 3

Hydrolysis of lactose from milk and whey by soluble and immobilized -galactosidase in batch process at 50°C.

Time (h)	Whey		Milk
	SG	IG	SG	IG
Control	0	0	0	0
1
2
3
4
5
6
7
8
9
10

Numeric values represent the percentage of lactose hydrolyzed from milk and whey at indicated time interval. Each value represents the mean for three independent experiments performed in triplicates, with average standard deviations, <5%.