Table 4.

Numerical optimization of processing variables

Parameters	Goal	Lower Limit	Upper Limit	Optimum value
PHGG level (%)	In range	1.0	5.0	3.37
Culture level (%)	In range	1.5	3.5	1.96
Incubation time (h)	In range	4.0	8.0	5.96
Reponses
Hardness	Maximize	38.7	54.7	47.7
Adhesiveness	Minimize	35.4	43.6	37.3
Cohesiveness	Maximize	0.51	0.62	0.59
Springiness	Maximize	0.78	0.94	0.90
Gumminess	Minimize	22.2	31.0	28.0