Table 2. Alcohol production in different physical/chemical condition after 48 hours of fermentation.
(Legends: + + Positive, + - Variable, -- Negative).
| Isolate | Temperature | 48 hours growth | |||
|---|---|---|---|---|---|
| Initial O.D. | Final O.D. | O.D. change | Growth | ||
| SC1 | 25°C | 0.244 | 1.184 | 0.94 | + - |
| DJ1 | 0.529 | 1.401 | 0.872 | + - | |
| SC1 | 30°C | 0.112 | 1.540 | 1.428 | + + |
| DJ1 | 0.441 | 1.103 | 1.544 | + + | |
| SC1 | 37°C | 0.311 | 1.42 | 1.109 | + + |
| DJ1 | 0.525 | 1.436 | 0.911 | + - | |
| SC1 | 40°C | 0.368 | 0.524 | 0.156 | + - |
| DJ1 | 0.463 | 0.754 | 0.291 | + - | |
| SC1 | 44°C | 0.513 | 0.493 | -0.02 | - - |
| DJ1 | 0.685 | 0.532 | -0.153 | - - | |
| Isolate | Ethanol
percentage |
48 hours growth | |||
| Initial O.D. | Final O.D. | O.D. change | Growth | ||
| SC1 | 5% | 0.103 | 1.476 | 1.371 | + + |
| DJ1 | 0.172 | 1.555 | 1.385 | + + | |
| SC1 | 10% | 0.261 | 0.488 | 0.227 | + + |
| DJ1 | 0.338 | 0.592 | 0.254 | + + | |
| SC1 | 15% | 0.201 | 0.314 | 0.113 | + + |
| DJ1 | 0.097 | 0.151 | 0.054 | + - | |
| SC1 | 20% | 0.075 | 0.109 | 0.034 | - - |
| DJ1 | 0.191 | 0.254 | 0.063 | - - | |
| SC1 | 25% | 0.218 | 0.167 | -0.051 | - - |
| DJ1 | 0.257 | 0.11 | -0.147 | - - | |
| Isolate | pH | 48 hours growth | |||
| Initial O.D. | Final O.D. | O.D. change | Growth | ||
| SC1 | 2 | 0.186 | 0.066 | -0.12 | - - |
| DJ1 | 0.201 | 0.009 | -0.192 | - - | |
| SC1 | 3 | 0.303 | 1.13 | 0.827 | - - |
| DJ1 | 0.335 | 1.276 | 0.941 | + - | |
| SC1 | 4 | 0.390 | 1.249 | 0.859 | - - |
| DJ1 | 0.409 | 1.44 | 1.031 | + - | |
| SC1 | 5 | 0.179 | 1.412 | 1.233 | + + |
| DJ1 | 0.164 | 1.472 | 1.308 | + + | |
| SC1 | 6 | 0.108 | 1.536 | 1.428 | + + |
| DJ1 | 0.377 | 1.846 | 1.469 | + + | |
| SC1 | 7 | 0.145 | 1.337 | 1.192 | + - |
| DJ1 | 0.452 | 1.441 | 0.989 | - - | |
| SC1 | 8 | 0.356 | 1.53 | 1.174 | + - |
| DJ1 | 0.424 | 1.572 | 1.148 | + - | |
| SC1 | 9 | 0.243 | 1.391 | 0.737 | - - |
| DJ1 | 0.384 | 1.264 | 0.880 | - - | |
| SC1 | 10 | 0.433 | 0.398 | -0.035 | - - |
| DJ1 | 0.528 | 0.522 | -0.006 | - - | |