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Marine-Derived Chitin and Chitosan: From Extraction to Applications

A special issue of Marine Drugs (ISSN 1660-3397). This special issue belongs to the section "Biomaterials of Marine Origin".

Deadline for manuscript submissions: 15 October 2026 | Viewed by 385

Special Issue Editor


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Guest Editor
Lithuanian Research Centre for Agriculture and Forestry, Instituto Av. 1, 58344 Akademija, Lithuania
Interests: extraction; chitin; chitosan; shrimp waste; chitosan application
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Marine-derived chitin and chitosan have attracted increasing scientific and industrial interest due to their abundance, renewability, and versatile physicochemical properties. This Special Issue aims to provide a comprehensive overview of recent advances spanning the entire value chain of chitin and chitosan derived from marine resources, with topics of interest including sustainable extraction and purification methods from shrimp waste and other crustacean marine biomass, structural characterization, chemical and biological modifications, and innovative processing techniques. Particular emphasis is placed on emerging applications in agriculture and biotechnology, as well as on the role of chitin and chitosan in circular bioeconomy strategies. By bringing together original research articles and critical reviews, this Special Issue seeks to highlight challenges, opportunities, and future directions for the development of high-value and marine-derived chitin- and chitosan-based materials.

Dr. Karolina Barčauskaitė
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Marine Drugs is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • extraction
  • chitin
  • chitosan
  • shrimp waste
  • chitosan application
  • demineralization
  • deproteinization
  • deacetylation

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Published Papers (1 paper)

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Research

20 pages, 1016 KB  
Article
Evaluation of Formulation-Dependent Antimicrobial Activity and Plant Compatibility of Chitosan-Based Silver Nanoparticles
by Ahmed Hosney, Neringa Matelionienė, Donata Drapanauskaitė, Sana Ullah and Karolina Barčauskaitė
Mar. Drugs 2026, 24(5), 183; https://doi.org/10.3390/md24050183 - 19 May 2026
Viewed by 192
Abstract
Chitosan-based silver nanoparticles (Ch-AgNPs) are emerging as promising antimicrobial materials with potential applications in crop protection. This study evaluated the formulation-dependent antimicrobial activity and plant compatibility of Ch-AgNPs synthesized from chitosan extracted via different routes from shrimp shells. Antibacterial activity was assessed against [...] Read more.
Chitosan-based silver nanoparticles (Ch-AgNPs) are emerging as promising antimicrobial materials with potential applications in crop protection. This study evaluated the formulation-dependent antimicrobial activity and plant compatibility of Ch-AgNPs synthesized from chitosan extracted via different routes from shrimp shells. Antibacterial activity was assessed against representative Gram-negative and Gram-positive model bacteria (Escherichia coli and Staphylococcus aureus), as well as phytopathogenic bacteria (Xanthomonas campestris, Pseudomonas syringae), using disk diffusion assays. Antifungal activity was evaluated against Fusarium graminearum in vitro and in a controlled growth chamber. All formulations exhibited concentration-dependent antibacterial activity, with L10 and L20 formulations derived from optimized lactic acid-based extraction routes and DP4 derived from an inorganic deproteinization-based extraction route showing the highest efficacy at 1.0 mg/mL. Strong antifungal activity was observed, particularly for L10 and DP4, achieving mycelial growth inhibition of 92% and 84%, respectively, at 1.0 mg/mL. Seed germination and seedling growth assays confirmed that all formulations were non-phytotoxic at 1.0 mg/mL, with L10 and DP4 significantly enhancing germination parameters and early plant growth. Under controlled conditions, these formulations also reduced the incidence and severity of crown and root rot in spring wheat caused by F. graminearum. These findings demonstrate that optimized Ch-AgNP formulations combine antimicrobial activity with plant compatibility, highlighting their potential for crop protection, pending further environmental safety and agronomic validation under field conditions. Full article
(This article belongs to the Special Issue Marine-Derived Chitin and Chitosan: From Extraction to Applications)
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