Primary Metabolism in Fresh Fruits During Storage

Frontiers in Plant Science
Stefano BrizzolaraPietro Tonutti

Abstract

The extension of commercial life and the reduction of postharvest losses of perishable fruits is mainly based on storage at low temperatures alone or in combination with modified atmospheres (MAs) and controlled atmospheres (CAs), directed primarily at reducing their overall metabolism thus delaying ripening and senescence. Fruits react to postharvest conditions with desirable changes if appropriate protocols are applied, but otherwise can develop negative and unacceptable traits due to the onset of physiological disorders. Extended cold storage periods and/or inappropriate temperatures can result in development of chilling injuries (CIs). The etiology, incidence, and severity of such symptoms vary even within cultivars of the same species, indicating the genotype significance. Carbohydrates and amino acids have protective/regulating roles in CI development. MA/CA storage protocols involve storage under hypoxic conditions and high carbon dioxide concentrations that can maximize quality over extended storage periods but are also affected by the cultivar, exposure time, and storage temperatures. Pyruvate metabolism is highly reactive to changes in oxygen concentration and is greatly affected by the shift from aerobic to anaerobic...Continue Reading

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Citations

Apr 17, 2020·Journal of the Science of Food and Agriculture·Hnin Phyu Lwin, Jinwook Lee
Feb 3, 2021·Microorganisms·Yvonne BöschAndreas Bühlmann
Jul 4, 2021·Plant Physiology and Biochemistry : PPB·Fariborz HabibiDaniel Valero

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Methods Mentioned

BETA
environmental stress
transgenic

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