Table 1.

Uniform design protocols of mixing level.

Factors	Potato Concentration (g/L)	Glucose Concentration (g/L)	Inoculation Volume (%)	pH	Incubation Temperature (°C)	Incubation Time (d)
N1	100	10	4	6.0	28	10
N2	200	35	4	7.0	22	6
N3	200	15	2	7.0	22	12
N4	200	35	2	5.0	28	10
N5	300	25	4	4.0	28	12
N6	100	30	2	4.0	22	8
N7	300	20	2	6.0	28	6
N8	100	25	8	7.0	28	8
N9	100	20	8	5.0	22	12
N10	300	10	4	5.0	22	8
N11	300	30	8	6.0	22	10
N12	200	15	8	4.0	28	6