Table 3 Comparison of various parameters of the fermentation process under two pH adjustment methods

Initial glucose concentration (g·L^− 1)

31.5

30

Fermentation time (h)

50

45

The yield of CoQ₁₀ (mg·L^− 1)

(mg·g^− 1 DCW)

274.43

8.71

226.53

7.55

The specific generation rate of CoQ₁₀ (mg·g^− 1·h^− 1)

0.3681

0.3323

Glucose consumption rate (g·L^− 1·h^− 1)

0.63

0.67

Glucose ratio consumption rate (h^− 1)

0.0439

0.0466

Production intensity (mg·L^− 1·h^− 1)

5.49

5.03

Average specific growth rate (h^− 1)

0.0242

0.0250

Maximum cell dry weight (g·L^− 1)

19.57

20.72