Production of whey protein hydrolyzates and its incorporation into milk

Table 2 Effect of E/S ratio and protein concentrations on the time to obtain DH of 5% and the effect of E/S ratio and DH on hydrolysis time in 15% protein solution

E: S	Hydrolysis time (min) to obtain 5%DH		Degree of hydrolysis (DH%)	Hydrolysis time (min) in 15% protein solution
E: S	10% protein solution	15% protein solution	Degree of hydrolysis (DH%)	Hydrolysis time (min) in 15% protein solution
1:25	13.66 ± 1.15^a	16.33 ± 1.53^a	5	15.33 ± 1.15^A
			7	30.66 ± 2.52^B
			9	145.67 ± 5.13^C
1:50	30.33 ± 2.52^b	55.00 ± 3.00^d	5	56.00 ± 3.61^D
			7	120.67 ± 4.04^E
			9	301.66 ± 7.64^F
1:100	93.00 ± 3.61^c	153 .67 ± 3.51^e	–	–

Results expressed as Mean ± S. D, n = 4; Small letter superscripts (a, b..,) differ significantly (p < 0.01) across the % protein; capital letter superscripts (A, B..,) differ significantly (p < 0.01) between % degree of hydrolysis

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