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. 2018 Mar 5;7:271. [Version 1] doi: 10.12688/f1000research.13952.1

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 - -