Isolation and Characterization of Native Microalgae from the Peruvian Amazon with Potential for Biodiesel Production

Marianela Cobos, Jae D. Paredes, J. Dylan Maddox, Gabriel Vargas-Arana, Leenin Flores, Carla P. Aguilar, Jorge L. Marapara and Juan C. Castro
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Marianela Cobos: Laboratorio de Biotecnología y Bioenergética, Universidad Científica del Perú (UCP), Av. Abelardo Quiñones km 2.5, Iquitos 6024, Peru
Jae D. Paredes: Laboratorio de Biotecnología y Bioenergética, Universidad Científica del Perú (UCP), Av. Abelardo Quiñones km 2.5, Iquitos 6024, Peru
J. Dylan Maddox: Pritzker Laboratory for Molecular Systematics and Evolution, The Field Museum of Natural History, Chicago, IL 60605, USA
Gabriel Vargas-Arana: Laboratorio de Biotecnología y Bioenergética, Universidad Científica del Perú (UCP), Av. Abelardo Quiñones km 2.5, Iquitos 6024, Peru
Leenin Flores: Laboratorio de Biotecnología Acuática, Instituto del Mar del Perú (IMARPE), Esquina Gamarra y General Valle S/N Chucuito, Callao 07021, Peru
Carla P. Aguilar: Laboratorio de Biotecnología Acuática, Instituto del Mar del Perú (IMARPE), Esquina Gamarra y General Valle S/N Chucuito, Callao 07021, Peru
Jorge L. Marapara: Unidad Especializada de Biotecnología, Centro de Investigaciones de Recursos Naturales de la Amazonía (CIRNA), Universidad Nacional de la Amazonía Peruana (UNAP), Psje. Los Paujiles S/N, Iquitos 16024, Peru
Juan C. Castro: Unidad Especializada de Biotecnología, Centro de Investigaciones de Recursos Naturales de la Amazonía (CIRNA), Universidad Nacional de la Amazonía Peruana (UNAP), Psje. Los Paujiles S/N, Iquitos 16024, Peru

Energies, 2017, vol. 10, issue 2, 1-16

Abstract: Biodiesel production from microalgae triacylglycerols is growing, because this feedstock is a more sustainable and advantageous alternative. In this study, we isolated and identified fourteen strains of native microalgae from the Peruvian Amazon. These strains showed great heterogeneity in biomass productivity, lipid productivity and lipid content, and thus, three of them (Acutodesmus obliquus, Ankistrodesmus sp. and Chlorella lewinii) were selected for further evaluation under culture of nitrogen-sufficient (+N) and nitrogen-deficient (?N) Chu medium No. 10. These microalgae species showed modifications in biomolecule content (protein, lipid and carbohydrate) with a pronounced increase of lipids and carbohydrate and a decrease of protein content under stress culture. Furthermore, the fatty acid profile was peculiar for each species, and these patterns showed evident changes, particularly in the proportion of saturated and monounsaturated fatty acids. The results of this research suggest that the isolated native microalgae, from the Peruvian Amazon, could be suitable candidates for biodiesel production

Keywords: biodiesel; fatty acid profiling; lipid content; oleaginous microalgae; Peruvian Amazon (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2017
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