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Table 2 Comparison of parameters from different ARA fermentation strategies

From: An efficient multi-stage fermentation strategy for the production of microbial oil rich in arachidonic acid in Mortierella alpina

  Fermentation strategy Rate of increasea
Batch Fed-batch Multi-stage
DCW (g/L) 31.06 36.08 41.41 14.77%
Mycelial specific growth rate (g/L d−1) 4.78 6.01 5.92 −1.50%
Lipids (g/L) 17.63 17.09 22.17 25.75%
Fermentation duration (d) 6.5 6 7.5 7.69%
Total glucose (g/L) 80 80 100 25%
Glucose consumption rate (g/L h−1) 0.51 0.56 0.76 35.71%
ARA contents (%) 36.30 42.81 61.05 42.61%
ARA yield (g/L) 6.40 10.01 13.53 35.16%
ARA productivity (g/L d−1) 0.98 1.67 1.81 7.78
  1. aThis value represents the corresponding data from the multi-stage strategy divided by the highest respective value from either the batch or fed-batch fermentation