Abstract <p>Chitosan <i>Portunus trituberculatus</i> (Eschscholtz, 1823) with a molecular mass of 780 kDa and a deacetylation degree of 84% was isolated from secondary food industry waste, and its physicochemical properties and antifungal activity were studied. Chitosan solutions were demonstrated to exhibit fungicidal activity against the phytopathogen <i>Fusarium oxysporum</i>, forming a sterile zone with an average diameter of 24.5 ± 2&#xa0;mm. Extraction of chitosan from <i>Portunus trituberculatus</i> is of interest for the synthesis of new derivatives and modifications of chitosan used in the agro-industrial complex.</p>

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Extraction of Portunus Trituberculatus Chitosan and Their Characteristics

  • A. T. Abdurasulov,
  • Sh. Sh. Khudoyberdiyev,
  • N. R. Vokhidova,
  • S. Sh. Rashidova

摘要

Abstract

Chitosan Portunus trituberculatus (Eschscholtz, 1823) with a molecular mass of 780 kDa and a deacetylation degree of 84% was isolated from secondary food industry waste, and its physicochemical properties and antifungal activity were studied. Chitosan solutions were demonstrated to exhibit fungicidal activity against the phytopathogen Fusarium oxysporum, forming a sterile zone with an average diameter of 24.5 ± 2 mm. Extraction of chitosan from Portunus trituberculatus is of interest for the synthesis of new derivatives and modifications of chitosan used in the agro-industrial complex.