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Table 1 The biochemical data at the initial and terminal sampling points of three groups

From: Responses of Methanosarcina barkeri to acetate stress

Group

Sample point

OD600

OD600 descending rate (day−1)

Total acetate (mM)

Acetate consumption rate (mM/day)

CH4 production rate (mmol/day)

pH

pH rising rate (day−1)

10-group

10-I

1.122

0.018

9.66

0.73

0.049

6.47

0.046

10-T

1.022

0.017

4.15

0.94

0.073

6.69

0.037

25-group

25-I

1.194

0.020

23.70

0.59

0.075

6.56

0.051

25-T

1.048

0.018

9.92

1.57

0.034

6.93

0.036

50-group

50-I

1.168

0.015

44.59

0.74

0.095

6.69

0.040

50-T

0.934

0.0079

24.93

1.78

0.092

7.22

0.030