ArticleBrazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologica2021
Chondroitin sulfate from fish waste exhibits strong intracellular antioxidant potential.
Article in Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologica, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 15 citations in OpenAlex.
- The Valorization Potential of Freshwater Fish, Including Common Carp (Foods (Basel, Switzerland) · 2026Review
- A Comprehensive Review on the Valorization of Bioactives from Marine Animal By-Products for Health-Promoting, Biofunctional Cosmetics.Marine drugs · 2025Review
- Efficacy and Safety Assessment of a Dietary Supplement in a Rat Model of Osteoarthritis and Dogs with Arthritic Signs.Animals : an open access journal from MDPI · 2025Article
- Article
- Chondroitin Sulfate fromMolecules (Basel, Switzerland) · 2023Article
- A Concise Review of Extraction and Characterization of Chondroitin Sulphate from Fish and Fish Wastes for Pharmacological Application.Current issues in molecular biology · 2022Review
- Tilapia-Head Chondroitin Sulfate Protects against Nonalcoholic Fatty Liver Disease via Modulating the Gut-Liver Axis in High-Fat-Diet-Fed C57BL/6 Mice.Foods (Basel, Switzerland) · 2022Article
- Recent advances in biopolymer-based hemostatic materials.Regenerative biomaterials · 2022Review
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Chondroitin sulfate (CS) is a type of glycosaminoglycan described as an antioxidant molecule that has been found in animal species such as fish. Tilapia (Oreochromis niloticus) represents an eco-friendly source of this compound, since its economical processing generates usable waste, reducing the negative environmental impact. This waste was used for CS extraction, purification, characterization by enzymatic degradation, and evaluation of its antioxidant effect. CS obtained from tilapia presented sulfation mainly at carbon 4 of galactosamine, and it was not cytotoxic at concentrations up to 200 µg/mL. Furthermore, 100 µg/mL of CS from tilapia reduced the levels of reactive oxygen species to 47% of the total intracellular reactive oxygen species level. The ability of CS to chelate metal ions in vitro also suggested an ability to react with other pathways that generate oxidative radicals, such as the Haber-Weiss reaction, acting intracellularly in more than one way. Although the role of CS from tilapia remains unclear, the pharmacological effects described herein indicate that CS is a potential molecule for further study of the relationship between the structures and functions of chondroitin sulfates as antioxidants.
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Registered trials
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