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Table 1 Bacterial growth measured by OD600nm of the digestive liquids after every passage. The data show a mean from three replicates with ± SD. Tukey’s HSD test was applied after ANOVA variance analysis to compare statistical significance; for detailed comparisons, see Additional file 1

From: Dynamics of dark fermentation microbial communities in the light of lactate and butyrate production

Experiment (days) M (molasses) ML (molasses + lactate) MLA (molasses + lactate + acetate) LA (lactate + acetate) SLA (sucrose + lactate + acetate)
3 2.8 ± 0.7 3.1 ± 0.3 3.4 ± 0.1 0.8 ± 0.05 b 3.2 ± 0.1
6 3.2 ± 0.4 2.4 ± 0.5 a 3.6 ± 0.1 a 0.9 ± 0.1 b 3.2 ± 0.03
9 3.3 ± 0.4 c 2.3 ± 0.2 a, c, d 3.4 ± 0.3 a 1.4 ± 0.2 b 3.3 ± 0.1 d
12 2.1 ± 0.1 2.3 ± 0.5 a 3.4 ± 0.05 a 1.2 ± 0.3 b 2.7 ± 0.4
15 2.8 ± 0.7 3.3 ± 0.01 3.4 ± 0.1 1.1 ± 0.1 b 3.3 ± 0.1
18 3.3 ± 0.2 3.2 ± 0.1 3.2 ± 0.2 1.3 ± 0.2 b 3.1 ± 0.1
  1. ap < 0.05 (Experiment ML vs Experiment MLA; Tukey’s HSD test)
  2. b0.001 < p < 0.005 (Experiment LA vs any other group; Tukey’s HSD test)
  3. cp < 0.05 (Experiment M vs Experiment ML; Tukey’s HSD test)
  4. dp < 0.05 (Experiment ML vs Experiment SLA; Tukey’s HSD test)