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Statistical and optimization strategies to carotenoids production by Tetradesmus acuminatus (LC192133.1) cultivated in photobioreactors
- Source :
- Biochemical Engineering Journal. 152:107351
- Publication Year :
- 2019
- Publisher :
- Elsevier BV, 2019.
-
Abstract
- In this work, the effects of the factors light intensity, photoperiod, pH, NaCl and nitrogen concentration were investigate on the carotenoids response of Tetradesmus acuminatus (LC192133.1) cultures. Analysis of variance (α = 0.10) suggested significant effect mainly of the light intensity and photoperiod factors. The applied regression models, considering these factors, have allowed to estimate the production of carotenoids with precision (0.90 ≤ R² ≤ 0.95). The optimization of the light intensity and photoperiod values resulted in the maximum production of carotenoids in mg g−1 (85 μmol m−2 s−1; 15.8:8.2 h light:dark) and in mg L−1 (595 μmol m−2 s−1 for 24 h). The experimental validation of the results showed syntheses of 7.6 mg g−1 astaxanthin and 9.1 mg g−1 β-carotene; as well as the production of 12.1 mg L−1 astaxanthin and 12.8 mg L−1 β-carotene. Results indicated that the cultivation of Tetradesmus acuminatus (LC192133.1) under optimized conditions of energy intensity and photoperiod allowed the improvement of carotenoid production.
- Subjects :
- 0106 biological sciences
photoperiodism
chemistry.chemical_classification
0303 health sciences
Environmental Engineering
Biomedical Engineering
Photobioreactor
chemistry.chemical_element
Bioengineering
Experimental validation
01 natural sciences
Nitrogen
03 medical and health sciences
Light intensity
chemistry.chemical_compound
chemistry
Astaxanthin
010608 biotechnology
Food science
Carotenoid
030304 developmental biology
Biotechnology
Subjects
Details
- ISSN :
- 1369703X
- Volume :
- 152
- Database :
- OpenAIRE
- Journal :
- Biochemical Engineering Journal
- Accession number :
- edsair.doi...........3797c16f7582fb1d89ee428cbc5c40cc