Utilize este identificador para referenciar este registo:
https://hdl.handle.net/1822/81709
Título: | Multivariable optimization process of heterotrophic growth of Chlorella vulgaris |
Autor(es): | Geada, Pedro Francisco, Diogo Pereira, Francisco Filipe Maciel Madureira, Leandro Barros, Ana Silva, Joana L. Vicente, A. A. Teixeira, J. A. |
Palavras-chave: | Microalgae Design of experiment tools Biomass concentration maximization Growth medium composition Two-step optimization process Synergistic interactions Biomass concentration  maximization |
Data: | Mar-2023 |
Editora: | Elsevier 1 |
Revista: | Food and Bioproducts Processing |
Citação: | Geada, P., Francisco, D., Pereira, F., Maciel, F., Madureira, L., Barros, A., … Teixeira, J. A. (2023, March). Multivariable optimization process of heterotrophic growth of Chlorella vulgaris. Food and Bioproducts Processing. Elsevier BV. http://doi.org/10.1016/j.fbp.2022.12.004 |
Resumo(s): | Microalgae have received increasing attention as one of the most promising feedstocks in the development of new healthier food products and different strategies have been attempted to improve their growth. However, the high production costs and low productivities, commonly associated with photoautotrophic growths, are still a big challenge. In this study, a two-step optimization strategy was carried out in order to maximize the biomass production of a Chlorella vulgaris strain used at industrial scale under heterotrophic conditions. From a total of 24 independent variables, which were studied simultaneously, 10 have presented a positive effect over Xmax, while the remaining have shown to be negative. The amount of (NH4)2SO4 (6.3 g L1), MgSO4·7H2O (0.7 g L1), and C6H12O6 (50% w/v) in the culture medium has revealed to be the only factors with a significant impact on biomass concentration, with optimum values of 25.5, 64.6, and 75 ml.L1, respectively. The optimized medium resulted in an improvement of the Xmax by 99.6% when compared to the growth medium applied at industrial scale, proving the success of this strategy. Additionally, the carbohydrates production was enhanced by 48.0%. |
Tipo: | Artigo |
URI: | https://hdl.handle.net/1822/81709 |
DOI: | 10.1016/j.fbp.2022.12.004 |
ISSN: | 0960-3085 |
Versão da editora: | https://www.sciencedirect.com/science/article/pii/S0960308522001602 |
Arbitragem científica: | yes |
Acesso: | Acesso aberto |
Aparece nas coleções: | CEB - Publicações em Revistas/Séries Internacionais / Publications in International Journals/Series |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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document_56003_1.pdf | 2,13 MB | Adobe PDF | Ver/Abrir |
Este trabalho está licenciado sob uma Licença Creative Commons