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Table 1 Characterization of PPL and FWCKM-derived VFA effluents and glucose media used as substrates for A. oryzae fungal biomass cultivation

From: Evaluation of in vitro digestibility of Aspergillus oryzae fungal biomass grown on organic residue derived-VFAs as a promising ruminant feed supplement

 

Parameter

PPL

FWCKM

VFAs effluents

pH

7.15

6.07

tCOD, g/L

13.60 ± 0.33

12.80 ± 1.13

NH4+-N, mg/L

565 ± 19.14

1320 ± 56.57

Acetic acid, g/L

5.27 ± 0.15

3.45 ± 0.10

Iso-butyric acid, g/L

0.35 ± 0.01

0.37 ± 0.01

Butyric acid, g/L

0.62 ± 0.01

1.29 ± 0.04

Iso-valeric acid, g/L

0.17 ± 0.01

0.24 ± 0.01

Propionic acid, g/L

0.99 ± 0.02

0.83 ± 0.02

Valeric acid, g/L

0.02 ± 0.00

0.08 ± 0.00

Total VFA, g/L

7.43 ± 0.21

6.24 ± 0.16

Na, mg/L

381.50 ± 6.36

829.50 ± 16.26

K, mg/L

4,396.00 ± 33.94

1,019.50 ± 13.44

Ca, mg/L

146.50 ± 3.53

49.72 ± 0.07

Fe, mg/L

1.00 ± 0.00

1.00 ± 0.00

Mg, mg/L

94.00 ± 0.00

34.00 ± 1.41

Synthetic glucose medium

Yeast extract, g/L

5.00 ± 0.01

 

D-glucose, g/L

30.00 ± 0.01

  1. tCOD Total oxygen demand, NH4+-N Ammonium-N, VFAs Volatile fatty acids, FWCKM VFAs effluents obtained from anaerobic digestion of food waste and chicken manure, PPL VFAs effluents obtained from anaerobic digestion of fermented potato protein liquor, Na Sodium, K Potassium, Ca Calcium, Fe Iron, Mg Magnesium, TN Total nitrogen. The sign ± stand for the standards deviation on two direction (positive and negative)