Skip to main content

Table 2 Microbial metabolites of two DDGS before and after fermentation (as-fed basis)

From: Solid-state fermentation of distilled dried grain with solubles with probiotics for degrading lignocellulose and upgrading nutrient utilization

Item, % CDDGS RDDGS
Unfermented Fermented Unfermented Fermented
Microorganism
 Lactobacillus plantarum, × 108 CFU/g ND 6.70 ND 5.30
 Bacillus subtilis, × 108 CFU/g ND 5.00 ND 5.20
 Enterobacterium, × 104 CFU/g 3.63 ND 2.68 ND
 Mold, × 102 CFU/g 3.10 ND 3.60 ND
 Total probiotics, × 108 CFU/g   11.70   10.50
Organic acids, mmol/Kg
 Lactic acid 21.48 ± 3.77b 232.10 ± 20.3a 14.30 ± 1.89b 115.21 ± 12.1a
 Formic acid 9.35 ± 0.79 8.68 ± 0.46 14.43 ± 1.14b 22.65 ± 2.97a
 Acetic acid 1.59 ± 0.30b 16.15 ± 2.07a 17.35 ± 1.63b 25.27 ± 4.24a
 Propionic acid 0.03 ± 0.00b 0.83 ± 0.11a 0.03 ± 0.00b 0.40 ± 0.04a
 Butyric acid 33.04 ± 0.53 32.90 ± 0.39 9.41 ± 0.46 10.94 ± 1.40
 pH 6.39 ± 0.04a 4.21 ± 0.08b 6.43 ± 0.10a 4.34 ± 0.16b
  1. Values are means of three replicates per treatment. Means in a row without common superscript differ significantly (P < 0.05)