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The aim is to evaluate hydrophobic eutectic solvents for extracting carotenoids from tomato pomace efficiently.

February 9, 2026Food ChemistryOpen Access

Hydrophobic deep eutectic solvents for carotenoid extraction from tomato pomace: Solvent screening and effect of extraction conditions

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Evaluates carotenoid extraction using hydrophobic solvents, revealing their potential in tomato pomace applications.

The aim is to evaluate hydrophobic eutectic solvents for extracting carotenoids from tomato pomace efficiently.
Screening of forty-nine hydrophobic eutectic solvents (HDES) using the COSMO-RS model.
Selection of the best HDES (octanoic acid and decanoic acid) for further testing.
Application of Central Composite Rotational Design to assess temperature and biomass-to-solvent ratio effects.
Higher temperatures significantly improved carotenoid recovery, yielding over 140 μg/g.
The selected HDES outperformed conventional vegetable oils in extraction efficiency.
Isomerization was indicated by Z-lycopene constituting 27% of total lycopene in the extracts.

SANTOS et al. (2026) studied this question.

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