ArticleCurrent research in food science2025
Impact of alkaline and deep eutectic solvent extraction on rapeseed protein isolates characteristics and
Article in Current research in food science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Effects of Extraction Methods on Physicochemical, Functional and Nutritional Properties of Protein Extracted from Mustard (Foods (Basel, Switzerland) · 2026Article
- Nutritional and Functional Potential of Rapeseed and Canola Proteins: Advances in Protein Extraction, Phenolic Removal, and Food Applications.Comprehensive reviews in food science and food safety · 2026Review
- Valorization of Rapeseed Meal: Production, Fractionation, and Utilization Routes.Foods (Basel, Switzerland) · 2026Review
- Combined Ultrasound and NaHCOFoods (Basel, Switzerland) · 2026Article
- Rapeseed Meal as a Sustainable Source of Proteins, Peptides, and Phenolics: Composition, Interactions, and Functional Potential.Foods (Basel, Switzerland) · 2026Review
- Microwave-Induced Structural Remodeling of Legume Proteins: Structure-Function-Nutrition Relationships and Their Improved Performance in Wheat Flour Fortification.Foods (Basel, Switzerland) · 2026Article
- Effects of Selective Enzymatic Hydrolysis on Structural Properties and Gel Properties of Soybean Protein Isolate.Foods (Basel, Switzerland) · 2025Article
- Rapeseed Protein Isolate as a Sustainable Alternative to Soy Protein: A Case Study on Chicken Pâtés.Foods (Basel, Switzerland) · 2025Article
- Ultrasound-assisted deep eutectic solvent extraction versus alkaline extraction: Functional and structural properties of hazelnut proteins.Food chemistry: X · 2025Article
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8 authors.
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Abstract
This study examined the efficiency, purity, functional properties, and nutritional quality of rapeseed protein isolates extracted using alkaline extraction (ALK12) and two deep eutectic solvents (DES) systems - choline chloride:urea (DES1) and betaine:citric acid (DES2), chosen to cover distinct pH ranges. Alkaline extraction achieved the highest protein extraction efficiency (36.9 %), while DES1 achieved the highest protein purity (95.8 %). Alkaline extraction resulted in higher levels of polyphenols and tannins, while DES-based extraction led to higher phytic acid content. DES-based isolates exhibited a more balanced amino acid profile, particularly for sulphur-containing amino acids, making them more valuable protein sources compared to alkaline-extracted proteins. Techno-functional analysis favoured ALK12 for products requiring high water and oil absorption capacity, and foam stability, while DES1, despite lower absorption and foaming capacity, offered good solubility making it suitable for a wide range of applications. FT-IR spectroscopy revealed that both ALK12 and DES2 induced significant conformational changes in protein structure, likely due to extreme pH conditions. In contrast, DES1 exhibited a cleaner spectrum and more defined protein peaks, indicating high purity and stable structure. Lab-on-a-chip electrophoresis confirmed a more diverse protein profile for ALK12, while DES1 and DES2 exibited more consistent profiles, suggesting that these systems may preserve higher-order protein structures, such as cruciferin oligomers, and facilitate the extraction of structurally intact proteins.
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