Purification of Angiotensin-I-Converting Enzyme Inhibitory Peptides Derived from Camellia oleifera Abel Seed Meal Hydrolysate

Table 1

Box–Behnken design and results for ACE inhibitory peptides by alkaline protease.

Number	Hydrolysis temperature (°C)	pH	Hydrolysis time (h)	ACE inhibitory peptides
1	45	9.5	3.0	57.07
2	45	10	3.0	59.47
3	55	9.5	3.0	54.14
4	55	10.0	3.0	60.64
5	50	9.5	2.5	56.55
6	50	9.0	3.5	61.21
7	50	10.0	2.5	60.05
8	50	10.0	3.5	58.58
9	50	9.0	2.5	59.01
10	55	10.0	3.0	57.88
11	55	9.5	3.5	60.53
12	50	9.0	3.5	58.03
13	50	9.5	3.0	61.65
14	55	9.5	2.5	56.45
15	50	10.0	3.5	58.62
16	50	9.5	3.0	59.58
17	50	9.5	3.0	60.98