ArticleMolecules (Basel, Switzerland)2022
Physicochemical Properties and Functional Characteristics of Ecologically Extracted Shrimp Chitosans with Different Organic Acids during Demineralization Step.
Article in Molecules (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed, 53 citations in OpenAlex.
- Selectivity of acid-base extraction routes and their effects on the structure, physicochemical properties, and adsorption performance of shrimp-shell-derived chitosan.RSC advances · 2026Article
- Polymer composites for sustainable nutrient recovery and agriculture: functional modifications and economic benefits.Water science and technology : a journal of the International Association on Water Pollution Research · 2026Review
- Preassembled complexes of hAgo2 and ssRNA delivered by nanoparticles: a novel silencing gene expression approach overcoming the absence of the canonical pathway of siRNA processing in the apicomplexan parasite Babesia microti, blood parasite of veterinary and zoonotic importance.Emerging microbes & infections · 2025Article
- Antimicrobial activity of chitosan, alginate, pectin, and cellulose-based biopolymer composites with silver, copper oxide, and zinc oxide nanoparticles.RSC advances · 2025Review
- Review
- Meat Nutritional Value and Exoskeleton Valorisation ofMarine drugs · 2025Article
- Exploitation of Endemic Extremophilic Microbial Strains Isolated from Date Palm Fibrillium in the Saoura Region (Southwest Algeria) as Potential Biocontrol Agents Against Mosquitoes.Journal of arthropod-borne diseases · 2025Article
- Polysaccharide-Based Composite Systems in Bone Tissue Engineering: A Review.Materials (Basel, Switzerland) · 2024Review
- Article
- Extraction of γ-chitosan from insects and fabrication of PVA/γ-chitosan/kaolin nanofiber wound dressings with hemostatic properties.Discover nano · 2024Article
- Article
- Review
- Optimization, Kinetics, and Isotherm Studies of Methyl Thioninium Chloride Removal from Simulated Solutions Using Chitosan Derivatives.ACS omega · 2023Article
- Recent Advances in Chitosan-Based Applications-A Review.Materials (Basel, Switzerland) · 2023Review
- Chitosan, chitosan derivatives, and chitosan-based nanocomposites: eco-friendly materials for advanced applications (a review).Frontiers in chemistry · 2023Review
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Authors and funding
3 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
The current study aims to develop eco-friendly and economical chitosans with a wide range of applications using organic acids for shrimp shells demineralization. Chitosan samples were extracted from shrimp (Parapenaeus longirostris) shells and the demineralization step was performed with three organic acids (citric, acetic, and lactic) and two mineral acids (hydrochloric and sulfuric). The chitosans were characterized by Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD), and scanning electron microscopy (SEM). The chitosans’ physicochemical properties were also determined. The characteristic bands and functional groups of the chitosans were identified by FTIR spectra. The chitosans’ crystallinity order was as follows: ChHCl > ChCitric > ChH2SO4 > ChLactic > ChAcetic. The chitosans’ morphological characteristics revealed a smooth surface and fibrous structures with pores. Chitosans extracted by organic acids showed the highest extraction yields. ChHCl and ChCitric had higher degrees of deacetylation values; 83.67% and 81.47%, respectively. The solubility was proportional to the degree of deacetylation. Furthermore, ChH2SO4 and ChCitric had lower molecular weight values; 149 kDa and 183 kDa, respectively. Organic acids are as effective as mineral acids for shrimp shells demineralization. The developed process opens up possibilities to produce chitin and chitosan in a more eco-friendly way and at a lower cost in many industrial sectors.
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