Fig. 4From: Reducing self-shading effects in Botryococcus braunii cultures: effect of Mg2+ deficiency on optical and biochemical properties, photosynthesis and lipidomic profilePigment content and optical properties of B. braunii grown with different MgSO4 concentrations. a Chlorophyll a content of biomass at different time points; b absorption coefficient of the biomass (Ka) after 23 days of incubation estimated for a polychromatic RGB white LED light source. Data shown correspond to the means ± SD of 4 biological replicatesBack to article page