Optimization of the Extraction and Stability of Antioxidative Peptides from Mackerel (Pneumatophorus japonicus) Protein

Table 3

ANOVA for response surface quadratic model.

Variables	Sum of squares	DF	Mean square	value	value
Model	1857.34	20	92.87	31.17	<0.0001
	73.05	1	73.05	24.52	<0.0001
	57.86	1	57.86	19.42	<0.0001
	173.24	1	173.24	58.15	<0.0001
	21.30	1	21.30	7.15	0.0122
	1077.11	1	1077.11	361.56	<0.0001
	1.54	1	1.54	0.52	0.4775
	2.34	1	2.34	0.78	0.3830
	4.83	1	4.83	1.62	0.2130
	0.58	1	0.58	0.20	0.6611
	4.83	1	4.83	1.62	0.2130
	2.96	1	2.96	0.99	0.3272
	2.05	1	2.05	0.69	0.4131
	0.45	1	0.45	0.15	0.7012
	84.15	1	84.15	28.25	<0.0001
	78.97	1	78.97	26.51	<0.0001
	88.41	1	88.41	29.68	<0.0001
	0.84	1	0.84	0.28	0.5991
	45.25	1	45.25	15.19	0.0005
	9.59	1	9.59	3.22	0.0833
	128.00	1	128.00	42.97	<0.0001
Residual	86.39	29	2.98
Lack of fit	66.56	22	3.03	1.07	0.5010
Pure error	19.83	7	2.83
Cor. total	1943.74	49
	0.9556
Adj.	0.9249
Pred.	0.8591
Adeq. precision	22.175
CV%	2.56