Biotechnological Potential of Pseudokirchneriella subcapitata, Scenedesmus spinosus, and Scenedesmus acuminatus

Nascimento, V. M. and Nascimento, K. M. and Fonseca, G. G. (2020) Biotechnological Potential of Pseudokirchneriella subcapitata, Scenedesmus spinosus, and Scenedesmus acuminatus. ACTA ALIMENTARIA: AN INTERNATIONAL JOURNAL OF FOOD SCIENCE, 49 (2). pp. 154-162. ISSN 0139-3006 (print); 1588-2535 (online)

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Abstract

Microalgae are promising alternatives to sequestration of carbon and reduction of environmental problems, e.g. the greenhouse effect and industrial water pollution. Depending on the growth conditions, microalgae can differ in their metabolism products, leading them to grow at different rates. Intracellular reactions and nutritional requirements from cell metabolism, as well as biomass composition, may vary in function of the temperature. In this study. the biotechnological potential of three microalgae strains from the species was evaluated in terms of growth, biomass composition, fatty acid profile, and chlorophyll and carotenoids contents. Each of the three species demonstrated different potential depending on their metabolisms: Scenedesmus spinosus presented fastest growth and had the highest protein content (52.99%), Pseudokirchneriella subcapitata presented the highest content of lipid extracted (26.51%), and Scenedesmus acuminatus showed increased production of chlorophyll (5.25 mg l(-1)) and carotenoid (1.02 mg l(-1)) pigments.

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