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A Comparative Study of Ethylene Detection Methods in Fruit Supply Chains: a Review

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Abstract

Ethylene is a primary plant hormone associated with the ripening process of fruits. Ethylene can initiate the ripening process in fruits even at sub-parts per million concentrations. Therefore, ethylene monitoring during fruit transport and storage is very important in order to ensure optimum quality control and shelf-life extension. However, due to small molecular size, non-polar and highly stable nature of ethylene, the development of ethylene detectors on trace level concentration always remains a challenge. The ubiquitous interference of water molecule to various types of ethylene gas-sensing technologies require efforts to design and utilize effective and durable moisture filters for accurate ethylene gas detection. This work compares various ethylene detection methods for laboratory use as well as portable devices for field applications. Particularly, three methods have shown the most encouraging results in ethylene detection and are used to manufacture portable devices for fruit supply chains: electrochemical, gas chromatography and optical detection. New chemical and physical sensors for ethylene detection and quantification have been compared with scientific literature based on comparable parameters. The parameters specifically focus on the needs of horticulture industry like sensitivity, selectivity, price, robustness and inexpensiveness. This study shall assist the fruit logistics in better selection of ethylene sensing technologies in the fruit supply chain, resulting in better fruit quality and reduced losses after harvest.

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Contributions

Kirandeep Kaur: conceptualization and visualization, writing original draft, supervision; Rajpreet Singh: data acquisition, review, editing; and Gagandeep Kaur: conceptualization, review and editing.

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Correspondence to Kirandeep Kaur.

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Highlights

• Detection and regulation of ethylene is essential in fruit supply chains.

• Commercial ethylene detection methods have individual specifications.

• Significant ethylene monitoring technologies on the basis of parameters relevant to horticulture industry like sensitivity, selectivity, cost and mobility are reviewed.

• Most suitable commercial solution for industrial utilisation is suggested based on the comparison of different specifications.

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Kaur, K., Singh, R. & Kaur, G. A Comparative Study of Ethylene Detection Methods in Fruit Supply Chains: a Review. Food Anal. Methods 17, 14–32 (2024). https://doi.org/10.1007/s12161-023-02545-x

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  • DOI: https://doi.org/10.1007/s12161-023-02545-x

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