Skip to main content

Table 3 Comparison of the change in biomass concentration, biomass productivity, lipid content, lipid production, and lipid productivity of C. vulgaris in the four culture systems

From: Two-stage mixotrophic cultivation for enhancing the biomass and lipid productivity of Chlorella vulgaris

 

MX

MX-N

MX-C

PA

Change in biomass concentration in Phase I (g L−1)

1.66 ± 0.05

1.59 ± 0.08

1.62 ± 0.06

0.99 ± 0.04

Change in biomass concentration in Phase II (g L−1)

1.79 ± 0.04

–0.13 ± 0.04

0.40 ± 0.06

0.22 ± 0.04

Biomass productivity in Phase I (g L−1 day−1)

0.18 ± 0.01

0.18 ± 0.01

0.18 ± 0.01

0.11 ± 0.00

Biomass productivity in Phase II (g L−1 day−1)

0.20 ± 0.00

0.044 ± 0.01

0.024 ± 0.00

Final lipid content, η (%)

22.8 ± 0.8

23.3 ± 1.1

20.2 ± 1.2

24.6 ± 0.9

Final lipid production (mg L−1)

786.60 ± 27.21

340.47 ± 21.40

407.83 ± 21.55

298.02 ± 25.61

Final lipid productivity (mg L−1 day−1)

43.70 ± 1.51

18.92 ± 1.19

22.66 ± 1.20

16.56 ± 1.42

  1. ‘–’ is used to imply the numerical calculation is meaningless here