Influence of NaNO3 concentration and incident light intensity on Nannochloropsis oculata lipid accumulation
Lara Regina Soccol Gris, Anderson de Campos Paim, Marcelo Farenzena and 1 more
Brazilian Archives of Biology and Technology · 2013
doi:10.1590/s1516-89132013000400018 (opens in a new tab)
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Abstract
This study aimed at evaluating the best conditions for lipid accumulation in the marine microalga Nannochloropsis oculata in an airlift photobioreactor. Experiments were carried out following a central composite design with the following variables: temperature (19 to 29°C), sodium nitrate concentration (NaNO3) in the culture medium (f/2) (25 to 125 mg.L-1) and incident light intensity (49 to 140 µE.m-2s-1). The maximum lipid production was 132.4 mg.L-1 under the following conditions: 27°C, NaNO3 concentration 105 mg.L-1 and 122 µE.m-2.s-1, which was 30% of dry weight of the biomass.
Abstract licence: CC BY-NC
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