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Biochemical and molecular changes in peach fruit exposed to cold stress conditions

Franzoni, Giulia, Spadafora, Natasha Damiana, Sirangelo, Tiziana Maria, Ferrante, Antonio and Rogers, Hilary J. ORCID: 2023. Biochemical and molecular changes in peach fruit exposed to cold stress conditions. Molecular Horticulture 3 , 24. 10.1186/s43897-023-00073-0

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Storage or transportation temperature is very important for preserving the quality of fruit. However, low temperature in sensitive fruit such as peach can induce loss of quality. Fruit exposed to a specific range of temperatures and for a longer period can show chilling injury (CI) symptoms. The susceptibility to CI at low temperature varies among cultivars and genetic backgrounds. Along with agronomic management, appropriate postharvest management can limit quality losses. The importance of correct temperature management during postharvest handling has been widely demonstrated. Nowadays, due to long-distance markets and complex logistics that require multiple actors, the management of storage/transportation conditions is crucial for the quality of products reaching the consumer. Peach fruit exposed to low temperatures activate a suite of physiological, metabolomic, and molecular changes that attempt to counteract the negative effects of chilling stress. In this review an overview of the factors involved, and plant responses is presented and critically discussed. Physiological disorders associated with CI generally only appear after the storage/transportation, hence early detection methods are needed to monitor quality and detect internal changes which will lead to CI development. CI detection tools are assessed: they need to be easy to use, and preferably non-destructive to avoid loss of products. Graphical Abstract:

Item Type: Article
Date Type: Published Online
Status: Published
Schools: Biosciences
Additional Information: License information from Publisher: LICENSE 1: URL:, Type: open-access
Publisher: BioMed Central
Date of First Compliant Deposit: 14 November 2023
Date of Acceptance: 26 October 2023
Last Modified: 14 Nov 2023 12:30

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