ArticleFood chemistry: X2025
Ultrasound-assisted deep eutectic solvent extraction versus alkaline extraction: Functional and structural properties of hazelnut proteins.
Article in Food chemistry: X, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Combined Ultrasound and NaHCOFoods (Basel, Switzerland) · 2026Article
- From Oilseed Waste to High-Value Bioactives: Deep Eutectic Solvents as Sustainable Refining Media.International journal of molecular sciences · 2026Review
- Structural characterization and functional properties of safflower seed protein extracted by natural deep eutectic solvents.Food chemistry: X · 2026Article
- Unveiling the potential of beetroot leaf as a sustainable source of proteins: insights into ultrasound-assisted extraction, functional properties and in vitro digestibility.Ultrasonics sonochemistry · 2026Article
- An efficient and clean extraction approach for hazelnut oil with high ceramide: Enhanced biological properties and abundant flavor complexity.Food chemistry: X · 2026Article
Corrections and comments
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Authors and funding
2 authors.
Funding
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Abstract
This study compared conventional alkaline extraction and ultrasound-assisted deep eutectic solvent (DES-US) extraction for isolating functional proteins from hazelnut meal, an underutilized oilseed by-product. Alkaline extraction at pH 10 achieved the highest protein recovery (260 mg/g) and extraction efficiency (63 %), while DES-US systems yielded moderate soluble recoveries (∼200-220 mg/g) but showed reduced final protein yields (80 mg/g) due to precipitation challenges. Molecular weight profiles confirmed that both methods effectively preserved major storage proteins, including 7S and 11S globulins and 2S albumins. Secondary structural analyses revealed pronounced pH-induced denaturation in alkaline extracts, versus high α-helix retention in DES-US samples (e.g., DES-GLU 95.7 %, DES-SOR 81.6 %). DES-US systems also exhibited higher solubility (75-76 %) compared to alkaline extracts (58-63 %). Emulsifying activity index was significantly higher for DES-US (DES-GLY 15 m
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