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Updated: Nov 7, 2025

Preparation of High-Quality Fermented Fish Product
Published on: August 23, 2019
Fresh Fish Degradation and Advances in Preservation Using Physical Emerging Technologies
Jéssica Tavares1, Ana Martins1, Liliana G Fidalgo1,2
1LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal.
Fresh fish spoilage is a major concern, but new preservation techniques like superchilling and edible films can extend shelf-life. These methods improve microbial safety and quality without chemical preservatives.
Area of Science:
- Food Science
- Microbiology
- Chemical Engineering
Background:
- Fresh fish is highly perishable, necessitating effective preservation methods to ensure safety and quality.
- Consumer demand for minimally processed, preservative-free foods drives the need for novel preservation techniques.
- Understanding fish spoilage mechanisms is crucial for developing effective preservation strategies.
Purpose of the Study:
- To review conventional and emergent physical preservation techniques for fresh fish.
- To analyze the impact of these methods on microbiological and chemical quality.
- To evaluate novel packaging and storage technologies for extending fish shelf-life.
Main Methods:
- Review of scientific literature on fish spoilage and preservation.
- Analysis of conventional methods (refrigeration, freezing) and advanced techniques (chilling, superchilling).
- Discussion of novel packaging (edible films, coatings) and storage (hyperbaric) technologies.
Main Results:
- Conventional methods have limitations in extending shelf-life without quality compromise.
- Superchilling and advanced chilling show promise in slowing deterioration.
- Edible films, coatings, and hyperbaric storage offer innovative approaches to microbial control and quality preservation.
Conclusions:
- Emergent preservation techniques are vital for extending fresh fish shelf-life and ensuring safety.
- Combining methods like advanced chilling with novel packaging can significantly enhance fish quality.
- Hyperbaric storage presents a promising pressure-based approach for microbial inhibition and quality maintenance.
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