Maximizing Haematococcus biorefineries: Ionic liquid-based astaxanthin recovery, biocosmetic formulation, solar cell applications, and biofertilizer valorization
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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.
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Bioresource Technology, v. 426.
