Table 3.
Contrast values calculated according to factorial design of P. albidus mycelial biomass production.
| Variables | Contrasts |
|---|---|
| (1) Saccharose concentration | 120.75 ± 1.06+ |
| (2) Yeast extract concentration | 49.90 ± 1.06+ |
| (3) pH | −11.00 ± 1.06+ |
| (4) Agitation speed | 63.75 ± 1.06+ |
| Interaction 1-2 | 6.64 ± 1.06 |
| Interaction 1-3 | 24.03 ± 1.06+ |
| Interaction 1-4 | 47.25 ± 1.06+ |
| Interaction 2-3 | −23.34 ± 1.06+ |
| Interaction 2-4 | −18.50 ± 1.06+ |
| Interaction 3-4 | 47.26 ± 1.06+ |
| Interaction 1-2-3 | −5.90 ± 1.06+ |
| Interaction 1-2-4 | 24.93 ± 1.06+ |
| Interaction 1-3-4 | 30.14 ± 1.06+ |
| Interaction 2-3-4 | −20.93 ± 1.06+ |
+
Statistically significant values at a 95% confidence level.
The standard errors are estimated from the replicate runs at the central point. The error is descriptive around of the contrast estimate, after symbol ±.