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Direct Recovery of Free Astaxanthin from Haematococcus pluvialis: Bifunctional Deep Eutectic Solvent-Mediated Extraction and Conversion in a Single-Step
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DOI：10.1016/j.jbiotec.2026.04.022.png)
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Abstract
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• A bifunctional DES is first employed for astaxanthin production. • This DES enables single-step extraction and hydrolysis of astaxanthin esters to free astaxanthin. • The DES composed of 1,3-propanediamine and m-cresol is optimal for direct recovery of astaxanthin from Haematococcus pluvialis. • Ester bond cleavage is verified as the key mechanism for astaxanthin ester conversion. • The proposed method is rapid and efficient for astaxanthin extraction.
Keywords:
astaxanthin
deep eutectic solvent
Haematococcus pluvialis
extraction
hydrolysis
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3.9
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1.5W
Citations:
1.5W
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