In‐package cold plasma treatment to extend the shelf life of food

Author:

Alaguthevar Ramalakshmi12,Packialakshmi Jeyakumar Saranya1,Murugesan Balakrishnan2ORCID,Rhim Jong‐Whan1ORCID,Thiyagamoorthy UmaMaheshwari13

Affiliation:

1. Department of Food and Nutrition, BioNanocomposite Research Center Kyung Hee University Seoul Republic of Korea

2. Department of Food Process Engineering Tamil Nadu Agricultural University Coimbatore Tamil Nadu India

3. Department of Soil Science and Agricultural Chemistry, ADAC & RI Tamil Nadu Agricultural University Trichy Tamil Nadu India

Abstract

AbstractConventional food preservation methods such as heat treatment, irradiation, chemical treatment, refrigeration, and coating have various disadvantages, like loss of food quality, nutrition, and cost‐effectiveness. Accordingly, cold plasma is one of the new technologies for food processing and has played an important role in preventing food spoilage. Specifically, in‐package cold plasma has become a modern trend to decontaminate, process, and package food simultaneously. This strategy has proven successful in processing various fresh food ingredients, including spinach, fruits, vegetables, and meat. In particular, cold plasma treatment within the package reduces the risk of post‐processing contamination. Cryoplasm decontamination within packaging has been reported to reduce significantly the microbial load of many foods’ spoilage‐causing pathogens. However, studies are needed to focus more on the effects of in‐package treatments on endogenous enzyme activity, pest control, and removal of toxic pesticide residues. In this review, we comprehensively evaluated the efficacy of in‐package low‐temperature plasma treatment to extend the shelf life of various foods. The mechanisms by which cold plasma interacts with food were investigated, emphasizing its effects on pathogen reduction, spoilage mitigation, and surface modification. The review also critically assessed the effects of the treatments on food quality, regulatory considerations, and their potential as viable technologies to improve food safety and packaging life. In‐package cold plasma treatment could revolutionize food storage when combined with other sophisticated technologies such as nanotechnology.

Funder

Indian Council of Agricultural Research

National Research Foundation of Korea

Publisher

Wiley

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