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Table 2 Acetoin production from APC by strain IPE5-4-UD-4 through different processes

From: Conversion of cellulose and hemicellulose of biomass simultaneously to acetoin by thermophilic simultaneous saccharification and fermentation

Fermentation process

Fermentation time (h)

Acetoin

Maximum concentration (g L−1)

Yielda (g g−1)

Productivityb (g L−1 h−1)

CAcetoin/C cAPC

Shake flask SSF

72

12.55 ± 0.28

0.25

0.17

0.46 ± 0.01

Shake flask SHF

72

10.89 ± 0.34

0.22

0.15

0.42 ± 0.01

Fermenter SSF

60

22.76 ± 1.16

0.46

0.38

0.72 ± 0.04

  1. aAcetoin yield was calculated by g acetoin/g substrate
  2. bAcetoin productivity was calculated by maximum concentration of acetoin (g L−1)/fermentation time (h)
  3. cCAcetoin meant the molar concentration of carbon in acetoin, and CAPC meant the molar concentration of carbon in APC
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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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