LED induced non-thermal preservation of muscle foods: A systematic review

LED technology has emerged as a promising non-thermal preservation method for highly perishable muscle foods like meat and fish. Muscle foods are most susceptible to spoilage due to their high moisture content and nutrient density, which create an ideal environment for microbial growth, chemical oxi...

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Bibliographic Details
Published inInternational journal of food microbiology Vol. 426; p. 110892
Main Authors Patil, S.A., Khandekar, S.P.
Format Journal Article
LanguageEnglish
Published Netherlands Elsevier B.V 02.01.2025
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Summary:LED technology has emerged as a promising non-thermal preservation method for highly perishable muscle foods like meat and fish. Muscle foods are most susceptible to spoilage due to their high moisture content and nutrient density, which create an ideal environment for microbial growth, chemical oxidation, and enzymatic activity, which negatively alter their quality. LED treatment offers an effective solution by significantly reducing microbial loads and extending shelf life without adversely affecting sensory and nutritional properties. Specific wavelengths of LED light induce microbial inactivation through mechanisms like DNA damage, lipid oxidation, and protein alteration. Studies have shown that LED treatment can preserve the fresh-like quality of muscle foods by mitigating common spoilage processes. The advantages of LED technology include its non-thermal nature, ability to integrate with other preservation methods, and controllability in terms of intensity and wavelength. This enables for tailored applications based on food type and spoilage risks. As consumer demand grows for safe, chemical-free food options, LED technology addresses this need while enhancing food safety and quality. Further research is encouraged to optimize LED applications in various muscle food preservation contexts. With its exceptional ability to produce DNA damage in bacteria, inactivate enzymes, and malfunction biological activities, LED could serve as an inexpensive processing intervention to safeguard the quality of meat and seafood products. This review underscores the potential of LED technology as a promising alternative to traditional preservation methods for decontamination of muscle food. •This review paper highlights the applications of LED for preservation of muscle foods like meat and fish.•LED treatment shows microbial inactivation due to microbial DNA damage, lipid oxidation, and protein alteration.•No significant changes of sensorial attributes of meat and fish products were reported after the LED treatment.•LED treatment shows minimal effect on physicochemical stability of meat and fish.
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ISSN:0168-1605
1879-3460
1879-3460
DOI:10.1016/j.ijfoodmicro.2024.110892