Plasma-assisted catalytic removal of ethylene in fruits and vegetables storage: A review

Food and Humanity Pub Date : 2025-03-04 DOI:10.1016/j.foohum.2025.100556

Om Prakash Chauhan, Janifer Raj Xavier, Anu Chandel, R. Kumar

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Abstract

Ethylene (C₂H₄) is the primary cause of deterioration in the storage of fruits and vegetables as it acts as a ripening agent. Plasma catalytic technology is a promising technology to remove ethylene from fruits and vegetable storage. In this review paper, mechanism, evaluation, and efficiency of plasma-assisted catalytic removal of ethylene and some previous studies for fruits and vegetable storages are discussed. Moreover, the effects of different non-thermal plasma discharges like a dielectric barrier, corona, and gliding arc with catalysis are discussed. The working mechanism of ethylene breakdown is mainly because of oxidation by oxygen in dry gas conditions and hydroxyl radical in humid air conditions. This technology is proven to reduce ethylene with good removal efficiency and increased CO₂ sensitivity (S_CO2). This study could lead to the development of a postharvest approach based on plasma catalysis for preserving the quality and extending the shelf life of fruits and vegetables in postharvest storage.

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等离子体催化脱除果蔬贮存中乙烯的研究进展

乙烯（C2H4）是水果和蔬菜储藏变质的主要原因，因为它作为催熟剂。等离子体催化技术是一种很有前途的去除果蔬贮存中乙烯的技术。本文综述了等离子体催化脱除乙烯的机理、评价、脱除乙烯的效率以及近年来在果蔬保鲜方面的研究进展。此外，还讨论了介质阻挡、电晕和滑动电弧等不同的非热等离子体放电对催化性能的影响。乙烯分解的工作机理主要是干气条件下的氧氧化作用和湿气条件下的羟基自由基作用。该技术已被证明具有良好的乙烯脱除效率和提高二氧化碳敏感性（SCO2）。该研究为基于等离子体催化的果蔬采后保鲜方法的发展提供了基础。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Food and Humanity

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