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Table 7 Effects of agitation speed and aeration rate on the total carotenoid production, cell growth, and specific carbon consumption rate under batch-fermentation by strain MBLA0099

From: Optimization of bacterioruberin production from Halorubrum ruber and assessment of its antioxidant potential

Agitation

(rpm)

Aeration

(vvm)

Optimal

growth time

(h)

Total carotenoid production

Cell growth

Specific carbon

uptake rate

(g g− 1 h− 1)

Concentration*

(mg L− 1)

Yield*

(mg g− 1)

Productivity*

(mg L− 1 d− 1)

DCW*

(g L− 1)

Yield*

(g g− 1)

Specific

growth rate

(h− 1)

200

0.5

120

0.679

1.108

0.222

3.916

6.389

0.021

0.0023

1

0.896

1.248

0.250

3.255

4.533

0.021

0.0023

500

0.5

96

1.996

1.252

0.492

8.028

5.036

0.028

0.0042

1

1.444

0.722

0.359

6.064

3.032

0.030

0.0065

800

0.5

60

1.020

0.510

0.408

4.471

2.236

0.024

0.0099

1

0.920

0.460

0.368

3.744

1.872

0.020

0.0105

  1. *The values were calculated based on each optimal growth time