ArticleMarine drugs2021
Production and Physicochemical Characterization of Gelatin and Collagen Hydrolysates from Turbot Skin Waste Generated by Aquaculture Activities.
Article in Marine drugs, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 47 citations in OpenAlex.
- Development of an Active Crosslinked Nanocomposite Film Based on Gelatin-Ethyl Cellulose, Trans-Cinnamaldehyde, and Silver Nanoparticles for the Preservation of Sliced Meat.Journal of food science · 2026Article
- Comparative Study of Collagen Gels Extracted from Different Sources.Gels (Basel, Switzerland) · 2025Article
- In vitro gastrointestinal simulation digestion, absorption and bioavailability of four animal-based proteins in canine and feline food.Veterinary research communications · 2025Article
- Future-Oriented Biomaterials Based on Natural Polymer Resources: Characteristics, Application Innovations, and Development Trends.International journal of molecular sciences · 2025Review
- Review
- Investigating the Effect of Processing and Material Parameters of Alginate Dialdehyde-Gelatin (ADA-GEL)-Based Hydrogels on Stiffness by XGB Machine Learning Model.Bioengineering (Basel, Switzerland) · 2024Article
- Development and Characteristics of Protein Edible Film Derived from Pork Gelatin and Beef Broth.Polymers · 2024Article
- Bioprinting of gelatin-based materials for orthopedic application.Frontiers in bioengineering and biotechnology · 2024Review
- Nano-biomaterials and advanced fabrication techniques for engineering skeletal muscle tissue constructs in regenerative medicine.Nano convergence · 2023Review
- Collagen Supplementation for Joint Health: The Link between Composition and Scientific Knowledge.Nutrients · 2023Review
- Protein-Caged Nanoparticles: A Promising Nanomedicine Against Cancer.Chonnam medical journal · 2023Review
- Ionogels Derived from Fluorinated Ionic Liquids to Enhance Aqueous Drug Solubility for Local Drug Administration.Gels (Basel, Switzerland) · 2022Article
- Characterization of Tuna Gelatin-Based Hydrogels as a Matrix for Drug Delivery.Gels (Basel, Switzerland) · 2022Article
- Extraction and Characterization of Gelatin from Skin By-Products of Seabream, Seabass and Rainbow Trout Reared in Aquaculture.International journal of molecular sciences · 2021Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
Abstract
Rising trends in fish filleting are increasing the amount of processing by-products, such as skins of turbot, a flatfish of high commercial value. In line with circular economy principles, we propose the valorization of turbot skins through a two-step process: initial gelatin extraction described for the first time in turbot, followed by hydrolysis of the remaining solids to produce collagen hydrolysates. We assayed several methods for gelatin extraction, finding differences in gelatin properties depending on chemical treatment and temperature. Of all methods, the application of NaOH, sulfuric, and citric acids at 22 °C results in the highest gel strength (177 g), storage and loss moduli, and gel stability. We found no relation between mechanical properties and content of pyrrolidine amino acids, but the best performing gelatin displays higher structural integrity, with less than 30% of the material below 100 kDa. Collagen hydrolysis was more efficient with papain than alcalase, leading to a greater reduction in Mw of the hydrolysates, which contain a higher proportion of essential amino acids than gelatin and show high in vitro anti-hypertensive activity. These results highlight the suitability of turbot skin by-products as a source of gelatin and the potential of collagen hydrolysates as a functional food and feed ingredient.
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Registered trials
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