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<p>The aim of this study was to evaluate the production of biological chitin through lactic acid fermentation (LAF) and solar-drying techniques. Shrimp wastes were pretreated by sonication and inoculated with <i>Lactiplantibacillus plantarum</i>, fermentation was conducted for 144&#xa0;h at 35&#xa0;°C. The pH, sugar, and organic acid content were determined as LAF variables by HPLC. The resulting chitin was then solar-dried, and measurements were taken for extraction yield, moisture content, demineralization, and deproteinization. FT-IR analysis was used to examine the functional groups present in the resulted biopolymer. Chitin yields of 58.42 ± 2.44 and 61.94 ± 1.22% were obtained from non-sonicated and sonicated shrimp residues, respectively. FT-IR analysis confirmed the presence of characteristic bands for <i>α</i>-chitin, indicating the feasibility of the eco-friendly methods for chitin extraction.</p> Graphical abstract <p></p>

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Chitin and by-products production from shrimp residues via lactic acid fermentation, sonication, and solar drying

  • 期刊论文

  • 发表日期：

    2025年2月20日

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  • Ulil Us-Medina,
  • Irandy Alejandra Poot-Mateo,
  • Héctor Martín-López,
  • Karina Jimenez-Morales,
  • Teresa Ayora‐Talavera,
  • Erick César López-Vidaña,
  • Emanuel Herrera-Pool,
  • Neith Pacheco

摘要

The aim of this study was to evaluate the production of biological chitin through lactic acid fermentation (LAF) and solar-drying techniques. Shrimp wastes were pretreated by sonication and inoculated with Lactiplantibacillus plantarum, fermentation was conducted for 144 h at 35 °C. The pH, sugar, and organic acid content were determined as LAF variables by HPLC. The resulting chitin was then solar-dried, and measurements were taken for extraction yield, moisture content, demineralization, and deproteinization. FT-IR analysis was used to examine the functional groups present in the resulted biopolymer. Chitin yields of 58.42 ± 2.44 and 61.94 ± 1.22% were obtained from non-sonicated and sonicated shrimp residues, respectively. FT-IR analysis confirmed the presence of characteristic bands for α-chitin, indicating the feasibility of the eco-friendly methods for chitin extraction.

Graphical abstract