Cited by 116Algal biology and biofuel productionBiofuel production and bioconversionMicrobial Metabolic Engineering and Bioproduction

Microalgae Starch: A Promising Raw Material for the Bioethanol Production

Maia, Jorge Lucas da, Cardoso, Jéssica Soares, Mastrantonio, Duna Joanol da Silveira, Bierhals, Caroline Krause, Moreira, Juliana Botelho, Costa, Jorge Alberto Vieira, Morais, Michele Greque de·2020·International Journal of Biological Macromolecules

Abstract

Ethanol is currently the most successful biofuel and can be produced from microalgal biomass (third-generation). Ethanol from microalgal biomass has advantages because it does not use arable land and reduces environmental impacts through the sequestration of CO 2 from the atmosphere. In this way, micro and macroalgal starch, which is structurally similar to that from higher plants can be considered a promise raw material for the production of bioethanol. Thus, strategies can be used to intensify the carbohydrate concentration in the microalgal biomass enabling the production of third-generation bioethanol. The microalgae biomass can be destined to biorefineries so that the residual biomass generated from the extraction processes is used for the production of high value-added products. Therefore, the process will have an impact on reducing the production costs and the generation of waste. In this context, this review aims to bring concepts and perspectives on the production of third-generation bioethanol, demonstrating the microalgal biomass potential as a carbon source to produce bioethanol and supply part of the world energy demand. The main factors that influence the microalgal cultivation and fermentation process, as well as the processes of transformation of biomass into the easily fermentable substrate are also discussed.

Integrity signals

Registry

Crossref · 10.1016/j.ijbiomac.2020.10.159

Cites

203 of 203 references verified0 citation errors · 0 not checkable

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Claims other papers make about this one

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  • The high cost of producing biofuels and bioenergy from microalgae still poses a barrier in the efficient development of this sector.

    “The high cost of producing biofuels and bioenergy from microalgae still poses a barrier in the efficient development of this sector [151,172,174,176].”

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Authors
Maia, J. L. D., Cardoso, J. S., Mastrantonio, D. J. D. S., Bierhals, C. K., Moreira, J. B., Costa, J. A. V., & Morais, M. G. D.
Affiliations
Universidade Federal do Rio Grande (BR)
Corresponding author
Morais, Michele Greque de
Venue
International Journal of Biological Macromolecules
Publisher
Elsevier BV
Published
2020-12
Volume
165
Issue
Pt B
Pages
2739-2749
ISSN
0141-8130 (ISSN-L)
OpenAlex
W3093703411
Cited by
116
References
208
Citations by year
2026: 8 · 2025: 22 · 2024: 12 · 2023: 29 · 2022: 32 · 2021: 12
FWCI
0.84
Type
journal article
Language
en
Open access
closed
Locations
  • International Journal of Biological Macromolecules (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Physical Sciences › Engineering › Biomedical Engineering › Biofuel production and bioconversion
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
Keywords
third-generation bioethanol, microalgal biomass, biofuels, carbohydrate concentration, biorefinery, fermentation, microalgae cultivation, CO2 sequestration, biomass pretreatment
MeSH terms
Ethanol, Carbon, Fermentation, Starch, Biomass, Biofuels, Bioengineering, Microalgae

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