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

Table 1

Amount of GABA produced in each sample (ppm) and investigation of bacteria logarithmic growth.

Number	HHP (MPa)	Time (min)	Absorbance value	GABA (ppm)	(Log cfu/ml)
1	100	5	0.0462	86.98	8.07
2	100	10	0.0775	128.39	8.04
3	100	15	0.1491	223.11	8.0
4	200	5	0.0661	113.31	7.6
5	200	10	0.0864	140.21	7.47
6	200	10	0.1090	170.11	7.5
7	200	10	0.0977	155.14	7.49
8	200	10	0.1056	165.62	7.54
9	200	10	0.0790	130.44	7.56
10	200	15	0.1318	200.23	7.40
11	300	5	0.0999	158.02	7.69
12	300	10	0.1531	228.4	7.6
13	300	15	0.2811	397.73	7.09