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Table 2 Experiment design for the effects of inoculation OD, nutrients, initial pH, pre-hydrolysis time, and temperature on the SSF performance of washed SECS and whole slurry by Saccharomyces cerevisiae

From: Simultaneous saccharification and fermentation of steam-exploded corn stover at high glucan loading and high temperature

Parameter

Effect of OD

Effect of nutrients

Effect of initial pH

Effect of pre-hydrolysis time

Effect of temperature

Initial OD600

1.0, 4.0, 8.0

4.0

4.0

4.0

4.0

Nutrients

50%

0%, 50%, 100%

50%

50%

50%

Initial pH

4.8

4.8

4.0, 4.8, 5.5

4.8

4.8

Pre-hydrolysis time (hours)

36

36

36

24, 36, 48

36

Temperature (°C)

36

36

36

36

30, 33, 36, 39, 42

  1. 100% nutrients was defined as 10 g/L yeast extract and 20 g/L peptone; 50% nutrients was defined as 5 g/L yeast extract and 10 g/L peptone; 0% nutrients was defined as 0 g/L yeast extract and 0 g/L peptone. OD, optical density; SSF, simultaneous saccharification and fermentation; SECS, steam-exploded corn stover.