Time/h

RPMI (with microorganism)

RPMI (without microorganism)

0

0.045

3

0.045

0.045

6

0.045

0.044

9

0.045

0.045

12

0.045

0.045

24

0.060

0.045

36

0.072

0.045

48

0.084

0.045

60

0.084

0.045

72

0.083

0.046

84

0.084

0.045