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Table 2 Established experiments for lipid content production and experimental response

From: Optimization of lipids’ ultrasonic extraction and production from Chlorella sp. using response-surface methodology

Runs

Type

Block

[NaNO3] (mL · L− 1)

[NaCl] (−)

Light Intensity (μmol · m− 2 · s− 1)

Lipid content (%)

Essay 1

Essay 2

1

Factorial points

1

0

16

153.2

11.2

6.1

2

1

2

16

153.2

8.2

6.5

3

1

0

32

153.2

12.6

12.1

4

1

2

32

153.2

8.6

14.7

5

1

0

16

311.1

15.8

15.3

6

1

2

16

311.1

7.1

7.2

7

1

0

32

311.1

12.8

10.1

8

1

2

32

311.1

6.8

4.2

9

Star points

2

0

24

163.6

4.9

5.4

10

2

2

24

163.6

16.1

9.9

11

2

1

16

163.6

18.0

18.1

12

2

1

32

163.6

19.0

17.3

13

2

1

24

153.2

17.3

18.6

14

2

1

24

311.1

14.7

14.7

15

Center points

2

1

24

163.6

15.5

19.7

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Lipids in Health and Disease

ISSN: 1476-511X