TABLE 3.

ANOVA for response surface linear model [Response 1 (Y₁) − Growth of Lactobacillus plantarum − HDS27].

Source	Sum of squares	df	Mean square	F value	P-value Prob > F
Model	6.33	10	0.63	2.88	<0.0010 Significant
A-Glucose	0.017	1	0.017	0.077	<0.0194
B-Yeast extract	0.59	1	0.59	2.66	0.7838
C-PH	1.57	1	1.57	7.15	<0.0150
D-Temperature	0.26	1	0.26	1.18	0.2904
AB	0.30	1	0.30	1.35	0.2599
AC	0.031	1	0.031	0.14	0.7133
AD	0.084	1	0.084	0.38	0.5439
BC	1.00	1	1.00	4.54	<0.0464
BD	0.18	1	0.18	0.82	0.3764
CD	2.30	1	2.30	10.42	<0.0044
Residual	4.18	19	0.22
Lack of fit	3.41	12	0.28	2.56	0.5193 not significant
Pure error	0.78	7	0.11
Cor total	10.51	29