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Controlled release of phycocyanin from chitosan/protein isolate hydrogel for effectively accelerating wound healing

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Abstract

The present work deals with the development of novel biopolymer-based composite hydrogels (HGs) based on chitosan and protein isolate derived from marine byproducts, and their functional applications. Chitosan (Cs) from blue crab shells and bluefin tuna protein isolate (BTPI) were selected to prepare composite hydrogels. The data from the characterization demonstrated that by increasing the BTPI content to 20% (w/w, Cs), hydrogels became more porous, elastic, and mechanically stable. Furthermore, all HGs present good antioxidant activity in a BTPI concentration-dependent manner. Based on the overall structural, swelling, and mechanical properties, HG-20 was selected for in-vitro release study of phycocyanin. Release patterns show that HG-20 is able to release phycocyanin (Ph) under acidic and neutral microenvironments. The local application of HG-20 loaded or not by Ph for wound repair in rats’ models was further studied. All tested HG exhibited an interesting wound healing-promoting ability. Importantly, Ph-loaded HG-20 has been found to accelerate wound closure, compared to unloaded HG-20.

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Acknowledgments

This research work was funded by the Ministry of Higher Education and Scientific Research, Tunisia and Financed by CMCU (Comité mixte de coopération Universitaire), grant N°: 19G0815.

Funding

The authors are supported by the Ministry of Higher Education and Scientific Research, Tunisia and funded by the French-Tunisian PHC Utique Program (grant N°: 19G0815).

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YBA: Conceptualization, Methodology, Investigation, Validation, Formal analysis, Visualization, Writing – original draft; AF: Investigation and Methodology; IBA: Investigation and Methodology; SL: Funding acquisition, Supervision, review & editing; MN: Supervision, Editing, and Validation; RN: Resources, Supervision, Funding acquisition, Writing - review & editing.

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Correspondence to Youssra Ben Azaza.

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All cited authors certify that they have sufficiently participated in the work to assume public responsibility for the content. The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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Azaza, Y.B., Feki, A., Amara, I.B. et al. Controlled release of phycocyanin from chitosan/protein isolate hydrogel for effectively accelerating wound healing. Cellulose 30, 9543–9561 (2023). https://doi.org/10.1007/s10570-023-05460-w

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  • DOI: https://doi.org/10.1007/s10570-023-05460-w

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