Table 1 Cell growth and lipid production of Schizochytrium sp. under different concentrations of fulvic acid

CDW (g/L)

38.7 ± 0.7

39.9 ± 0.6

42.4 ± 0.8

47.7 ± 0.5

40.5 ± 0.7

34.2 ± 0.5

Lipid yield (g/L)

12.2 ± 0.3

12.5 ± 0.2

12.9 ± 0.1

16.4 ± 0.3

13.6 ± 0.4

9.7 ± 0.3

Fermentation time (h)

45

42

40

40

45

50

Lipid productivity (g/L/h)

0.27

0.30

0.32

0.41

0.30

0.19