Combined artificial high-silicate medium and LED illumination promote carotenoid accumulation in the marine diatom Phaeodactylum tricornutum

Table 1 Effect of different incident photon fluxes on the growth of P. tricornutum under red LED illumination

Photon flux (μmol/m²/s)	Biomass productivity (gDCW/L/day)		Biomass yield (gDCW/mol)
Photon flux (μmol/m²/s)	PT-7 medium	PT-8 medium	PT-7 medium	PT-8 medium
85	0.19 ± 0.004	0.19 ± 0.01	0.26 ± 0.01	0.25 ± 0.01
128	0.21 ± 0.01	0.23 ± 0.01	0.19 ± 0.01	0.21 ± 0.01
170	0.24 ± 0.01	0.31 ± 0.01	0.16 ± 0.01	0.21 ± 0.005
204	0.32 ± 0.02	0.36 ± 0.01	0.18 ± 0.01	0.21 ± 0.01
255	0.34 ± 0.02	0.37 ± 0.03	0.15 ± 0.01	0.17 ± 0.01

P. tricornutum was cultivated using PT-7 and PT-8 medium, respectively for batch culture of 5 days with red LED light illumination. The results presented are average values from three independent experiments (mean ± standard error of mean (SE))

ISSN: 1475-2859