LAPSE:2020.0468
Published Article
LAPSE:2020.0468
Outdoor Large-Scale Cultivation of the Acidophilic Microalga Coccomyxa onubensis in a Vertical Close Photobioreactor for Lutein Production
Juan-Luis Fuentes, Zaida Montero, María Cuaresma, Mari-Carmen Ruiz-Domínguez, Benito Mogedas, Inés Garbayo Nores, Manuel González del Valle, Carlos Vílchez
May 22, 2020
The large-scale biomass production is an essential step in the biotechnological applications of microalgae. Coccomyxa onubensis is an acidophilic microalga isolated from the highly acidic waters of Río Tinto (province of Huelva, Spain) and has been shown to accumulate a high concentration of lutein (9.7 mg g−1dw), a valuable antioxidant, when grown at laboratory-scale. A productivity of 0.14 g L−1 d−1 was obtained by growing the microalga under outdoor conditions in an 800 L tubular photobioreactor. The results show a stable biomass production for at least one month and with a lutein content of 10 mg g−1dw, at pH values in the range 2.5−3.0 and temperature in the range 10−25 °C. Culture density, temperature, and CO2 availability in highly acidic medium are rate-limiting conditions for the microalgal growth. These aspects are discussed in this paper in order to improve the outdoor culture conditions for competitive applications of C. onubensis.
Keywords
carotenoids, extremophiles, microalgal biotechnology
Suggested Citation
Fuentes JL, Montero Z, Cuaresma M, Ruiz-Domínguez MC, Mogedas B, Nores IG, González del Valle M, Vílchez C. Outdoor Large-Scale Cultivation of the Acidophilic Microalga Coccomyxa onubensis in a Vertical Close Photobioreactor for Lutein Production. (2020). LAPSE:2020.0468
Author Affiliations
Fuentes JL: Algal Biotechnology Group, Ciderta and RENSMA (Center of Research in Natural Resources, Health and Environment), University of Huelva, 21007 Huelva, Spain
Montero Z: Algal Biotechnology Group, Ciderta and RENSMA (Center of Research in Natural Resources, Health and Environment), University of Huelva, 21007 Huelva, Spain
Cuaresma M: Algal Biotechnology Group, Ciderta and RENSMA (Center of Research in Natural Resources, Health and Environment), University of Huelva, 21007 Huelva, Spain [ORCID]
Ruiz-Domínguez MC: Laboratorio de Microencapsulación de Compuestos Bioactivos (LAMICBA) del Departamento de Ciencia de los Alimentos y Nutrición, Facultad de Ciencias de la Salud, Universidad de Antofagasta, Avda. Universidad de Antofagasta 02800. P.O. Box 170, 1240000 An [ORCID]
Mogedas B: Algal Biotechnology Group, Ciderta and RENSMA (Center of Research in Natural Resources, Health and Environment), University of Huelva, 21007 Huelva, Spain
Nores IG: Algal Biotechnology Group, Ciderta and RENSMA (Center of Research in Natural Resources, Health and Environment), University of Huelva, 21007 Huelva, Spain [ORCID]
González del Valle M: BioAvan S.L., Parque Empresarial Torneo, Geología 97, 41015 Sevilla, Spain [ORCID]
Vílchez C: Algal Biotechnology Group, Ciderta and RENSMA (Center of Research in Natural Resources, Health and Environment), University of Huelva, 21007 Huelva, Spain
Journal Name
Processes
Volume
8
Issue
3
Article Number
E324
Year
2020
Publication Date
2020-03-10
Published Version
ISSN
2227-9717
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PII: pr8030324, Publication Type: Journal Article
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LAPSE:2020.0468
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doi:10.3390/pr8030324
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May 22, 2020
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Calvin Tsay
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