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- Title
Evaluating low-cost substrates for Crypthecodinium cohnii lipids and DHA production, by flow cytometry.
- Authors
Taborda, Tiago; Moniz, Patrícia; Reis, Alberto; da Silva, Teresa Lopes
- Abstract
Crypthecodinium cohnii growth was studied on pure carbon sources (glucose, acetate, glycerol) and low-cost complex carbon sources (sugarcane molasses, crude glycerol and vinegar effluent) for lipid and DHA production. Among the pure substrates, glucose induced the highest lipid content (14.75% w/w DCW) and DHA content (7.14 mg g−1 DCW). Among the low-cost substrates, the highest lipid and DHA content were observed for the crude glycerol assay (14.7% w/w DCW and 6.56 mg g−1, respectively). Molasses induced the highest proportion of DHA of total fatty acids (49.58% w/w TFA) among all the substrates studied. Flow cytometric analysis revealed that the vinegar effluent induced the highest proportion of C. cohnii cells with injured membrane (92.8%). These results foresee the possibility of using these low-cost substrates at a larger scale for C. cohnii DHA and biodiesel production, aiming at zero wastes and process costs reduction.
- Publication
Journal of Applied Phycology, 2021, Vol 33, Issue 1, p263
- ISSN
0921-8971
- Publication type
Article
- DOI
10.1007/s10811-020-02304-z