Dynamic metabolic profiling of the marine microalga Chlamydomonas sp. JSC4 and enhancing its oil production by optimizing light intensity

Table 1 Growth, lipid accumulation, and CO ₂ -fixation performance of marine Chlamydomonas sp. JSC4

PBR type	PBR diameter (cm)	S:V ^a ratio (m ² m ⁻³ )	Light-receiving area (cm ² )	Biomass productivity (mg L ⁻¹ d ⁻¹ )	Lipid content (%)	Lipid productivity (mg L ⁻¹ d ⁻¹ )	CO ₂ fixation rate (mg L ⁻¹ d ⁻¹ )
Conventional	9.5	41.8	104.4	285 ± 13	46.1 ± 1.4	132 ± 2	537 ± 24
Slim	5.0	80.1	200.2	401 ± 10	48.5 ± 0.8	194 ± 2	754 ± 19

Chlamydomonas sp. JSC4 cultivated for 7 days (5 days of nitrogen depletion) in different photobioreactors (PBRs). Values are the mean ± standard deviation of three replicated experiments (light intensity = 200 μmol m⁻² s⁻¹; CO₂ aeration = 2%; CO₂ flow rate = 0.1 vvm).
^aSurface area to volume ratio.

ISSN: 2731-3654