Optimization of Gamma Aminobutyric Acid Production Using High Pressure Processing (HPP) by Lactobacillus brevis PML1

Table 2

Analysis of variance for GABA production.

Analysis of variance table (partial sum of squares-type 3)
Source	Sum of squares	DF	Mean square	-value	value
Model	67608.80	5	13521.76	17.27	0.0008	Significant
A-pressure	19914.62	1	19914.62	25.44	0.0015
B-time	35691.14	1	35691.14	45.60	0.0003
AB	2682.20	1	2682.20	3.43	0.1066
A^2	4944.47	1	4944.47	6.32	0.0402
B^2	1181.87	1	1181.87	1.51	0.2589
Residual	5479.18	7	782.74
Lack of fit	4352.46	3	1450.82	5.15	0.0736	Not significant