Maximizing Haematococcus biorefineries: Ionic liquid-based astaxanthin recovery, biocosmetic formulation, solar cell applications, and biofertilizer valorization

Cassamo U. Mussagy, Angie V. Caicedo-Paz, Debora Figueroa, Christian Santander, Felipe González, Alessia Tropea, Luigi Mondello, Donatella Spadaro, Stefano Trocino, Rodolfo D. Piazza, Rodrigo F.C. Marques, Karina Godoy, Pablo Cornejo

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Microalgae, particularly Haematococcus pluvialis, produce astaxanthin (AXT), a potent antioxidant with growing potential in the food, pharmaceutical, biocosmetic, and renewable energy sectors. This study proposes an integrated biorefinery model that employs advanced extraction processes, including bio-based ionic liquids, to efficiently recover AXT from H. pluvialis while minimizing environmental impact. The resulting platform strategically repurposes the post-extraction biomass as a biofertilizer, thus contributing to zero-waste objectives. By uniting biocosmetics, solar energy applications, and agriculture within a single framework, this model underscores the synergy between economic feasibility and ecological responsibility, highlighting the transformative role of microbial-derived AXT in sustainable, high-value product development.

Original languageEnglish
Article number132347
JournalBioresource Technology
Volume426
DOIs
StatePublished - Jun 2025
Externally publishedYes

Keywords

  • Bioprocessing integration
  • Haematococcus pluvialis
  • Microalgae
  • Neoteric solvents

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