Factors
Level 1
Level 2
Level 3
Level 4
pH
5
6
7
8
Temperature (
°C
)
25
30
35
40
Dye concentration (ppm)
25
50
75
100
Carbon source
Glucose
Starch
Sucrose
Lactose
Nitrogen source
Yeast extract
Peptone
(NH
4
)NO
3
(NH
4
)
2
(SO4
4
)
Table 1:
Different parameters and levels used, to design orthogonal array.
