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Table 1 Experimental matrix for EPS production with the corresponding variables and responses

From: Influence of culture conditions on the production of extracellular polymeric substances (EPS) by Arthrospira platensis

Experiment number

Factors

Response

A—NaNO3 (mg L−1)

B—PFD (μE m−2 s−1)

Biomass (g L−1)

EPS (mg g−1)

1

0.25

200

0.78

111

2

1.125

200

0.642

70

3

2

200

0.767

100

4

0.25

600

0.868

47

5

1.125

600

1.07

50

6

2

600

1.292

46

7

0.25

1000

0.871

40

8

1.125

1000

0.94

47

9

2

1000

0.913

100

10

1.125

600

1.073

54

11

1.125

600

1.062

51

12

1.125

600

1.087

45