Chitosan Edible Coatings Loaded with Bioactive Components for Fruits and Vegetables: A Step Toward Sustainable Development Goals

Food and Bioprocess Technology, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 7, 2025

Language: Английский

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Chitosan and its derivatives: A novel approach to gut microbiota modulation and immune system enhancement

International Journal of Biological Macromolecules, Journal Year: 2024, Volume and Issue: 289, P. 138633 - 138633

Published: Dec. 13, 2024

Language: Английский

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Natural Rubber-Based Biocomposites and Bionanocomposites

Advanced structured materials, Journal Year: 2025, Volume and Issue: unknown, P. 71 - 106

Published: Jan. 1, 2025

Language: Английский

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Sustainable Approaches for Pharmaceutical Pollutant Removal: Advances in Chitosan‐Based Nanocomposite Adsorbents

ChemistrySelect, Journal Year: 2025, Volume and Issue: 10(13)

Published: April 1, 2025

Abstract The growing presence of pharmaceutical pollutants in aquatic environments poses significant threats to both human health and ecosystems. Despite their crucial role healthcare, pharmaceuticals enter water systems through various sources, making them some the most critical environmental contaminants. Traditional wastewater treatments, which are classified into physical, chemical, biological techniques, often struggle effectively remove pharmaceuticals. Among these methods, adsorption stands out as a reliable versatile approach for removing organic enhancing efficiency treatment processes. Biopolymers, particularly chitosan, gaining attention due numerous advantages, including biocompatibility, biodegradability, affordability, high capability, non‐toxicity, availability from diverse natural sources. Chitosan, hydrophilic biopolymer, can be chemically modified by incorporating nanoparticles (e.g., metal oxides, carbon‐based materials, magnetic particles) boost its efficiency. These advancements enable chitosan‐based nanocomposites range pharmaceuticals, antibiotics, analgesics, hormones, water. This review examines latest developments nanocomposite adsorbents, emphasizing fundamental mechanisms, optimization conditions, kinetic behaviors, isotherm models. factors collectively determine capturing pollutants. Moreover, underscores potential materials remediation, offering valuable insights application future research directions. Ultimately, aim this is provide insight offer an innovative effective solution challenge contamination By addressing key challenges utilizing advanced material designs, adsorbents hold great promise sustainable efficient removal systems.

Language: Английский

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Chitin, Chitosan and Its Derivatives: Antimicrobials and/or Mitigators of Water

Macromol—A Journal of Macromolecular Research, Journal Year: 2025, Volume and Issue: 5(2), P. 15 - 15

Published: April 8, 2025

Antimicrobial resistance (AMR) is a major global health problem, exacerbated by the excessive and inappropriate use of antibiotics in human medicine, animal care agriculture. Therefore, new strategies compounds are needed to overcome this issue. In view, it may be appropriate reconsider existing biomaterials alleviate antibiotic overuse. Chitin, naturally abundant amino mucopolysaccharide, poly-β-1, 4-N-acetylglucosamine (GlcNAc). It white, hard, inelastic, nitrogenous polysaccharide source surface pollution coastal areas. Chitosan derives from partial N-deacetylation chitin originates shells crustaceans fungi cell walls. nontoxic natural antimicrobial polymer approved GRAS (Generally Recognized as Safe United States Food Drug Administration). Chitin chitosan, non-toxic biopolymers, useful for wastewater treatment remove pollutants, such pharmaceuticals, heavy metals dyes. The described features make these biopolymers intriguing investigated their application antibacterials.

Language: Английский

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Recent Advances in Combining Waterborne Acrylic Dispersions with Biopolymers

Polymers, Journal Year: 2025, Volume and Issue: 17(8), P. 1027 - 1027

Published: April 10, 2025

Water-based (meth)acrylic (co)polymer dispersions are produced on a large scale for various applications including coatings, adhesives, paints, and construction materials. A major benefit of waterborne polymer as compared to more traditional solvent-based alternatives is the low volatile organic compound (VOC) content, which results in an improved environmental profile. Following trend sustainability that has driven growth acrylic dispersions, recent research focused further enhancing properties these products by incorporating biobased materials such polysaccharides (e.g., cellulose, starch, chitin, chitosan), proteins casein, soy protein, collagen). Amongst number benefits, incorporation biomaterials can serve decrease amount petroleum-based polymers formulation also contribute enhance physical resulting bio-composites. In this review, beneficial role biopolymers when combined with systems summarized. Recent advances use biodegradable covered, aiming provide guidance development sustainable, high-performance latex-based bio-composites minimal impact.

Language: Английский

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Application of Chitosan and Its Derivatives in Postharvest Coating Preservation of Fruits

Foods, Journal Year: 2025, Volume and Issue: 14(8), P. 1318 - 1318

Published: April 11, 2025

Postharvest preservation of fruits is one the key issues in current agriculture and food processing industry. Surface coating treatment, a promising technology for postharvest fruit preservation, has gathered significant attention due to its ability reduce water loss, regulate gas exchange, inhibit respiration, thereby achieving preservation. Among them, chitosan-based wide application prospect superior film-forming capability, high biosecurity, range sources, etc. This review summarizes structural features, physicochemical properties, modification strategies, mechanisms coatings, focusing on their applications storage. Unlike prior works, it highlights advanced modifications (e.g., nanocomposite, multifunctional grafting) that enhance antimicrobial activity, mechanical strength, environmental adaptability. Challenges preservation—such as microbial resistance stability—are analyzed, with solutions proposed via material innovation. The discussion industrial scalability emphasizes chitosan’s biodegradability, cost-effectiveness, alignment sustainable agriculture, while addressing technical bottlenecks. work bridges fundamental research practical use, advancing coatings toward greener, safer, scalable solutions.

Language: Английский

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Advancements in chitosan-based nanocomposites with ZIF-8 nanoparticles: multifunctional platforms for wound healing applications

Carbohydrate Polymers, Journal Year: 2025, Volume and Issue: 362, P. 123656 - 123656

Published: April 27, 2025

Language: Английский

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Evaluation on Effects of Chitosan Derived From Shrimp Shells on Engineering Properties, Antioxidant, Antibacterial, and Microstructural Characteristics of Chitosan–Alginate–Carrageenan‐Based Hydrogels

Journal of Applied Polymer Science, Journal Year: 2025, Volume and Issue: unknown

Published: May 6, 2025

ABSTRACT This study aimed to evaluate the effects of chitosan, extracted from shrimp shells, on engineering, antioxidant, antibacterial, and microstructural properties chitosan–alginate–carrageenan‐based hydrogels. Hydrogels were synthesized with fixed sodium alginate (1.00 g) carrageenan (0.50 while varying chitosan content 0.50 1.50 g (samples M1, M2, M3, M4, M5). Among samples, M3 chitosan) demonstrated optimal performance a tensile strength 5.3 MPa, swelling ratio 1202% (at pH 7) 1256% 11), lowest conductivity (306.2 μS/cm). sample also exhibited highest scavenging activity (94.95%) after 120 h maximum antibacterial efficiency (99.2% against E. coli , 99.0% S. aureus ). Structural characterization revealed that had an amorphous structure confirmed by X‐ray diffraction (XRD), highly porous microstructure (micron‐sized pores) observed via scanning electron microscopy (SEM), facilitating water absorption molecular diffusion. Analysis Fourier transform infrared spectroscopy (FTIR) indicated strong intermolecular interactions through ionic bonds hydrogen bonding among OH, NH, CO, COO − OSO 3 COC groups. These findings highlight potential chitosan‐based natural hydrogels for biomedical, food packaging, environmental applications.

Language: Английский

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Recent Progress in Chitosan-Based Nanoparticles for Drug Delivery: A Review on Modifications and Therapeutic Potential

Journal of drug targeting, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 51

Published: May 7, 2025

Chitosan, obtained from chitin by deacetylation, is a versatile biopolymer known for its biocompatibility, biodegradability, and environmental friendliness. Combined with chemical physical modifiability, these properties have made chitosan an important material in biomedical pharmaceutical fields, especially drug delivery systems. Chitosan-based nanomaterials exhibit enhanced functions through various modifications such as thiolation, acetylation, carboxylation, phosphorylation, well enzymatic approaches. These address inherent limitations poor solubility, limited acid resistance, insufficient mechanical strength, expanding the applications of tissue engineering, gene therapy, vaccine delivery, wound healing, bioimaging.This review provides in-depth analysis structure, physicochemical modification strategies chitosan. It also explores current methodologies preparing nanoparticles, along loading release techniques. Various targeting employed chitosan-based systems are examined detail. To illustrate clinical relevance approaches, representative examples recent therapeutic studies included. Moreover, it highlights future research directions innovation potential materials.

Language: Английский

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