Causes of flesh browning in persimmon ‒ a review

Flesh browning is one of the main physiological disorders that cause important quality losses during the postharvest life of persimmons. Different types of flesh browning have been described, since the manifestation of this disorder can be associated with different causes. In some cases, the appeara...

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Autores principales: Besada, Cristina, Novillo, Pedro, Navarro, Pilar, Salvador, Alejandra
Otros Autores: Badenes, María L.
Formato: conferenceObject
Lenguaje:Inglés
Publicado: ISHS 2021
Materias:
Acceso en línea:http://hdl.handle.net/20.500.11939/6983
https://www.actahort.org/books/1195/1195_32.htm
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author Besada, Cristina
Novillo, Pedro
Navarro, Pilar
Salvador, Alejandra
author2 Badenes, María L.
author_browse Badenes, María L.
Besada, Cristina
Navarro, Pilar
Novillo, Pedro
Salvador, Alejandra
author_facet Badenes, María L.
Besada, Cristina
Novillo, Pedro
Navarro, Pilar
Salvador, Alejandra
author_sort Besada, Cristina
collection ReDivia
description Flesh browning is one of the main physiological disorders that cause important quality losses during the postharvest life of persimmons. Different types of flesh browning have been described, since the manifestation of this disorder can be associated with different causes. In some cases, the appearance of the browning disorder can give us clues to the cause; however in other cases different factors may lead to visually similar browning disorders. Mechanical damage is one of the reported factors involved in flesh browning and persimmons are generally very sensitive to mechanical damages, which may exhibit brown or pinkish areas around the flesh. The mechanism of this alteration has been studied in depth, and the oxidation of tannins has been reported as a key process. Other factors frequently associated with internal browning is storage under controlled or modified atmospheres; in this case the flesh browning occurs mainly in the flesh of the fruit. The optimum atmosphere conditions to prolong storage will depend on the cultivar; thus the same atmosphere can be effective for one cultivar and lead to disorders in other one. Also, exposure to anaerobic conditions, such as those of the CO2-deastringency treatment, may result also in flesh browning when the CO2-exposure is prolonged. Finally, other factor associated with internal browning is high or low temperature exposure. On one hand, the application of heat treatments such as hot water or hot air can cause damage and discoloration in the fruit. On the other, although the main manifestation of chilling injury in persimmon is associated with textural changes, in some cases it has been also related to internal browning.
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spelling ReDivia69832025-04-25T14:52:19Z Causes of flesh browning in persimmon ‒ a review Besada, Cristina Novillo, Pedro Navarro, Pilar Salvador, Alejandra Badenes, María L. Pinkish bruising astringency Chilling injury J10 Handling, transport, storage and protection of agricultural products Disorders Tannins Mechanical damage Flesh browning is one of the main physiological disorders that cause important quality losses during the postharvest life of persimmons. Different types of flesh browning have been described, since the manifestation of this disorder can be associated with different causes. In some cases, the appearance of the browning disorder can give us clues to the cause; however in other cases different factors may lead to visually similar browning disorders. Mechanical damage is one of the reported factors involved in flesh browning and persimmons are generally very sensitive to mechanical damages, which may exhibit brown or pinkish areas around the flesh. The mechanism of this alteration has been studied in depth, and the oxidation of tannins has been reported as a key process. Other factors frequently associated with internal browning is storage under controlled or modified atmospheres; in this case the flesh browning occurs mainly in the flesh of the fruit. The optimum atmosphere conditions to prolong storage will depend on the cultivar; thus the same atmosphere can be effective for one cultivar and lead to disorders in other one. Also, exposure to anaerobic conditions, such as those of the CO2-deastringency treatment, may result also in flesh browning when the CO2-exposure is prolonged. Finally, other factor associated with internal browning is high or low temperature exposure. On one hand, the application of heat treatments such as hot water or hot air can cause damage and discoloration in the fruit. On the other, although the main manifestation of chilling injury in persimmon is associated with textural changes, in some cases it has been also related to internal browning. 2021-01-18T09:58:06Z 2021-01-18T09:58:06Z 2018 conferenceObject Besada, C., Novillo, P., Navarro, P., Salvador, A. & Badenes, M. L. (2018). Causes of flesh browning in persimmon-a review. Acta Horticulturae, 1195, 203-210. 978-94-62611-91-7 0567-7572 (print) 2406-6168 (electronic) http://hdl.handle.net/20.500.11939/6983 10.17660/ActaHortic.2018.1195.32 https://www.actahort.org/books/1195/1195_32.htm en 2016-10-16 VI International Symposium on Persimmon Valencia, España Atribución-NoComercial-SinDerivadas 3.0 España http://creativecommons.org/licenses/by-nc-nd/3.0/es/ closedAccess ISHS electronico
spellingShingle Pinkish bruising
astringency
Chilling injury
J10 Handling, transport, storage and protection of agricultural products
Disorders
Tannins
Mechanical damage
Besada, Cristina
Novillo, Pedro
Navarro, Pilar
Salvador, Alejandra
Causes of flesh browning in persimmon ‒ a review
title Causes of flesh browning in persimmon ‒ a review
title_full Causes of flesh browning in persimmon ‒ a review
title_fullStr Causes of flesh browning in persimmon ‒ a review
title_full_unstemmed Causes of flesh browning in persimmon ‒ a review
title_short Causes of flesh browning in persimmon ‒ a review
title_sort causes of flesh browning in persimmon a review
topic Pinkish bruising
astringency
Chilling injury
J10 Handling, transport, storage and protection of agricultural products
Disorders
Tannins
Mechanical damage
url http://hdl.handle.net/20.500.11939/6983
https://www.actahort.org/books/1195/1195_32.htm
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