Effect of time of day for harvest and postharvest treatments on the sugar metabolism of broccoli (<i>Brassica oleracea</i> var. <i>italica</i>)

Autores
Hasperué, Héctor Joaquín; Lemoine, María Laura; Chaves, Alicia Raquel; Martínez, Gustavo Adolfo
Año de publicación
2014
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Loss of sugars contributes to accelerate postharvest senescence of broccoli. Several treatments have been developed to delay senescence, but in many cases their effects on sugar metabolism were not analyzed. We studied the effect of harvest at different times of day (08:00, 13:00 and 18:00 h) and of several postharvest treatments as heat treatment (HT), modified atmosphere (MA) and 1-methylcylcopropene (1-MCP) on sugar levels and activities of enzymes related to sucrose and starch degradation. Harvesting at the end of day delayed the loss of chlorophylls and caused the lowest decrement in sugars, although no differences in invertase, sucrose synthase and β-amylase activities were detected among samples. Treatments of MA and 1-MCP caused a lower loss of glucose and fructose, while HT caused a lower decrement of sucrose. Treated samples maintained higher levels of chlorophylls. The treatments reduced the activity of invertase and sucrose synthase and induced higher levels of β-amylase activity. Harvesting at the end of day and performing simultaneously a MA treatment could be a good combination to maintain the green color of the inflorescence and sugar levels during postharvest of broccoli.
Facultad de Ciencias Exactas
Centro de Investigación y Desarrollo en Criotecnología de Alimentos
Materia
Ciencias Exactas
Ingeniería
invertase
sucrose synthase
β-amylase
senescence
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by/4.0/
Repositorio
SEDICI (UNLP)
Institución
Universidad Nacional de La Plata
OAI Identificador
oai:sedici.unlp.edu.ar:10915/102514
Acceder
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oai_identifier_str oai:sedici.unlp.edu.ar:10915/102514
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repository_id_str 1329
network_name_str SEDICI (UNLP)
spelling Effect of time of day for harvest and postharvest treatments on the sugar metabolism of broccoli (<i>Brassica oleracea</i> var. <i>italica</i>)Hasperué, Héctor JoaquínLemoine, María LauraChaves, Alicia RaquelMartínez, Gustavo AdolfoCiencias ExactasIngenieríainvertasesucrose synthaseβ-amylasesenescenceLoss of sugars contributes to accelerate postharvest senescence of broccoli. Several treatments have been developed to delay senescence, but in many cases their effects on sugar metabolism were not analyzed. We studied the effect of harvest at different times of day (08:00, 13:00 and 18:00 h) and of several postharvest treatments as heat treatment (HT), modified atmosphere (MA) and 1-methylcylcopropene (1-MCP) on sugar levels and activities of enzymes related to sucrose and starch degradation. Harvesting at the end of day delayed the loss of chlorophylls and caused the lowest decrement in sugars, although no differences in invertase, sucrose synthase and β-amylase activities were detected among samples. Treatments of MA and 1-MCP caused a lower loss of glucose and fructose, while HT caused a lower decrement of sucrose. Treated samples maintained higher levels of chlorophylls. The treatments reduced the activity of invertase and sucrose synthase and induced higher levels of β-amylase activity. Harvesting at the end of day and performing simultaneously a MA treatment could be a good combination to maintain the green color of the inflorescence and sugar levels during postharvest of broccoli.Facultad de Ciencias ExactasCentro de Investigación y Desarrollo en Criotecnología de Alimentos2014-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf48-59http://sedici.unlp.edu.ar/handle/10915/102514enginfo:eu-repo/semantics/altIdentifier/url/https://ri.conicet.gov.ar/11336/31241info:eu-repo/semantics/altIdentifier/url/http://ojs.tsv.fi/index.php/AFS/article/view/8576info:eu-repo/semantics/altIdentifier/issn/1795-1895info:eu-repo/semantics/altIdentifier/hdl/11336/31241info:eu-repo/semantics/altIdentifier/doi/10.23986/afsci.8576info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0/Creative Commons Attribution 4.0 International (CC BY 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-09-03T10:52:16Zoai:sedici.unlp.edu.ar:10915/102514Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-03 10:52:16.346SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv Effect of time of day for harvest and postharvest treatments on the sugar metabolism of broccoli (<i>Brassica oleracea</i> var. <i>italica</i>)
title Effect of time of day for harvest and postharvest treatments on the sugar metabolism of broccoli (<i>Brassica oleracea</i> var. <i>italica</i>)
spellingShingle Effect of time of day for harvest and postharvest treatments on the sugar metabolism of broccoli (<i>Brassica oleracea</i> var. <i>italica</i>)
Hasperué, Héctor Joaquín
Ciencias Exactas
Ingeniería
invertase
sucrose synthase
β-amylase
senescence
title_short Effect of time of day for harvest and postharvest treatments on the sugar metabolism of broccoli (<i>Brassica oleracea</i> var. <i>italica</i>)
title_full Effect of time of day for harvest and postharvest treatments on the sugar metabolism of broccoli (<i>Brassica oleracea</i> var. <i>italica</i>)
title_fullStr Effect of time of day for harvest and postharvest treatments on the sugar metabolism of broccoli (<i>Brassica oleracea</i> var. <i>italica</i>)
title_full_unstemmed Effect of time of day for harvest and postharvest treatments on the sugar metabolism of broccoli (<i>Brassica oleracea</i> var. <i>italica</i>)
title_sort Effect of time of day for harvest and postharvest treatments on the sugar metabolism of broccoli (<i>Brassica oleracea</i> var. <i>italica</i>)
dc.creator.none.fl_str_mv Hasperué, Héctor Joaquín
Lemoine, María Laura
Chaves, Alicia Raquel
Martínez, Gustavo Adolfo
author Hasperué, Héctor Joaquín
author_facet Hasperué, Héctor Joaquín
Lemoine, María Laura
Chaves, Alicia Raquel
Martínez, Gustavo Adolfo
author_role author
author2 Lemoine, María Laura
Chaves, Alicia Raquel
Martínez, Gustavo Adolfo
author2_role author
author
author
dc.subject.none.fl_str_mv Ciencias Exactas
Ingeniería
invertase
sucrose synthase
β-amylase
senescence
topic Ciencias Exactas
Ingeniería
invertase
sucrose synthase
β-amylase
senescence
dc.description.none.fl_txt_mv Loss of sugars contributes to accelerate postharvest senescence of broccoli. Several treatments have been developed to delay senescence, but in many cases their effects on sugar metabolism were not analyzed. We studied the effect of harvest at different times of day (08:00, 13:00 and 18:00 h) and of several postharvest treatments as heat treatment (HT), modified atmosphere (MA) and 1-methylcylcopropene (1-MCP) on sugar levels and activities of enzymes related to sucrose and starch degradation. Harvesting at the end of day delayed the loss of chlorophylls and caused the lowest decrement in sugars, although no differences in invertase, sucrose synthase and β-amylase activities were detected among samples. Treatments of MA and 1-MCP caused a lower loss of glucose and fructose, while HT caused a lower decrement of sucrose. Treated samples maintained higher levels of chlorophylls. The treatments reduced the activity of invertase and sucrose synthase and induced higher levels of β-amylase activity. Harvesting at the end of day and performing simultaneously a MA treatment could be a good combination to maintain the green color of the inflorescence and sugar levels during postharvest of broccoli.
Facultad de Ciencias Exactas
Centro de Investigación y Desarrollo en Criotecnología de Alimentos
description Loss of sugars contributes to accelerate postharvest senescence of broccoli. Several treatments have been developed to delay senescence, but in many cases their effects on sugar metabolism were not analyzed. We studied the effect of harvest at different times of day (08:00, 13:00 and 18:00 h) and of several postharvest treatments as heat treatment (HT), modified atmosphere (MA) and 1-methylcylcopropene (1-MCP) on sugar levels and activities of enzymes related to sucrose and starch degradation. Harvesting at the end of day delayed the loss of chlorophylls and caused the lowest decrement in sugars, although no differences in invertase, sucrose synthase and β-amylase activities were detected among samples. Treatments of MA and 1-MCP caused a lower loss of glucose and fructose, while HT caused a lower decrement of sucrose. Treated samples maintained higher levels of chlorophylls. The treatments reduced the activity of invertase and sucrose synthase and induced higher levels of β-amylase activity. Harvesting at the end of day and performing simultaneously a MA treatment could be a good combination to maintain the green color of the inflorescence and sugar levels during postharvest of broccoli.
publishDate 2014
dc.date.none.fl_str_mv 2014-02
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Articulo
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://sedici.unlp.edu.ar/handle/10915/102514
url http://sedici.unlp.edu.ar/handle/10915/102514
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://ri.conicet.gov.ar/11336/31241
info:eu-repo/semantics/altIdentifier/url/http://ojs.tsv.fi/index.php/AFS/article/view/8576
info:eu-repo/semantics/altIdentifier/issn/1795-1895
info:eu-repo/semantics/altIdentifier/hdl/11336/31241
info:eu-repo/semantics/altIdentifier/doi/10.23986/afsci.8576
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by/4.0/
Creative Commons Attribution 4.0 International (CC BY 4.0)
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by/4.0/
Creative Commons Attribution 4.0 International (CC BY 4.0)
dc.format.none.fl_str_mv application/pdf
48-59
dc.source.none.fl_str_mv reponame:SEDICI (UNLP)
instname:Universidad Nacional de La Plata
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reponame_str SEDICI (UNLP)
collection SEDICI (UNLP)
instname_str Universidad Nacional de La Plata
instacron_str UNLP
institution UNLP
repository.name.fl_str_mv SEDICI (UNLP) - Universidad Nacional de La Plata
repository.mail.fl_str_mv alira@sedici.unlp.edu.ar
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