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Determination of microbiological quality of boiled crayfish (Astacus leptodactylus) samples treated with chitosan Cover

Determination of microbiological quality of boiled crayfish (Astacus leptodactylus) samples treated with chitosan

Open Access
|Apr 2024

Abstract

Coating crayfish (Astacus leptodactylus) meat samples with chitosan solution could be an effective approach to limit microbiological spoilage. During the 18-day cold storage period at 2°C±1, mesophilic aerobic bacteria (MABc), psychrophilic bacteria (PBc), yeast mold count (YMc), anaerobic bacteria (AnBc), and Enterobacteriaceae growth in the samples coated with chitosan (0.5% and 1%) and also control group samples were tested. Crayfish samples coated with chitosan (0.5% and 1%) had a lower TMABc (6.58 to 4.60 log CFU/g: up to 30.09%), TPBc (3.77 to 1.99 log CFU/g: up to 47.21%), TYMc (1.84 to 1.27 log CFU/g: up to 30.97%), TAnBc (3.69 to 1.88 log CFU/g: up to 49.05%), and Enterobacteriaceae (3.49 to 2.60 log CFU/g: up to 25.50%) counts as compared with control group samples at 2°C±1. The results particularly based on mesophilic anaerobic bacteria suggested that the application would be a promising approach to limit microbial growth and provide food safety for boiled crayfish meat samples.

DOI: https://doi.org/10.2478/aoas-2024-0002 | Journal eISSN: 2300-8733 | Journal ISSN: 1642-3402
Language: English
Page range: 619 - 626
Submitted on: May 24, 2023
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Accepted on: Oct 26, 2023
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Published on: Apr 23, 2024
In partnership with: Paradigm Publishing Services
Publication frequency: Volume open

© 2024 Zafer Ceylan, Ayşe Gürel İnanlı, Abdulrahman Basahel, Dervis Karaboga, Mustafa TahsinYilmaz, published by National Research Institute of Animal Production
This work is licensed under the Creative Commons Attribution 4.0 License.