Physical and metabolic alterations in "Prata Anã" banana induced by mechanical damage at room temperature
Autor(a) principal: | |
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Data de Publicação: | 2011 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Scientia Agrícola (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162011000100005 |
Resumo: | Bananas respond at the physical and physiological level to mechanical damage. Mechanical injuries cause alterations in color and flavor, tissue softening, faster ripening, increased weight loss, increased invasion of microorganisms, and higher enzyme activity in the affected area. The purpose of this study was to verify the physical and metabolic alterations in 'Prata Anã' bananas induced by mechanical stress at room temperature. The experiment was conducted in a completely randomized, split-plot in time design, consisting of one control and four mechanical injury types: cutting, abrasion, impact and compression, sampled over time. The percentage of accumulated and daily fresh weight loss, electrolyte leakage from the injured peel region, total soluble sugar and starch contents and enzyme activity of polyphenoloxidase and peroxidase were measured. The damage caused by cutting and abrasion resulted in the highest percentage of fresh weight loss. All types of mechanical damage increased electrolyte leakage during the evaluation period, in comparison with the control. The impact damage anticipated the ripening, besides affecting the conversion of starch into total soluble sugars in the pulp. By impact and abrasion injuries, the polyphenoloxidase and peroxidase activity in the peel was increased by up to 231% and 90%, and 618% and 956%, respectively, compared to the control. |
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Physical and metabolic alterations in "Prata Anã" banana induced by mechanical damage at room temperaturepostharvestmusa sppinjuryBananas respond at the physical and physiological level to mechanical damage. Mechanical injuries cause alterations in color and flavor, tissue softening, faster ripening, increased weight loss, increased invasion of microorganisms, and higher enzyme activity in the affected area. The purpose of this study was to verify the physical and metabolic alterations in 'Prata Anã' bananas induced by mechanical stress at room temperature. The experiment was conducted in a completely randomized, split-plot in time design, consisting of one control and four mechanical injury types: cutting, abrasion, impact and compression, sampled over time. The percentage of accumulated and daily fresh weight loss, electrolyte leakage from the injured peel region, total soluble sugar and starch contents and enzyme activity of polyphenoloxidase and peroxidase were measured. The damage caused by cutting and abrasion resulted in the highest percentage of fresh weight loss. All types of mechanical damage increased electrolyte leakage during the evaluation period, in comparison with the control. The impact damage anticipated the ripening, besides affecting the conversion of starch into total soluble sugars in the pulp. By impact and abrasion injuries, the polyphenoloxidase and peroxidase activity in the peel was increased by up to 231% and 90%, and 618% and 956%, respectively, compared to the control.Escola Superior de Agricultura "Luiz de Queiroz"2011-02-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162011000100005Scientia Agricola v.68 n.1 2011reponame:Scientia Agrícola (Online)instname:Universidade de São Paulo (USP)instacron:USP10.1590/S0103-90162011000100005info:eu-repo/semantics/openAccessMaia,Victor MartinsSalomão,Luiz Carlos ChamhumSiqueira,Dalmo LopesPuschman,RolfMota Filho,Virgílio Jamir GonçalvesCecon,Paulo Robertoeng2011-01-13T00:00:00Zoai:scielo:S0103-90162011000100005Revistahttp://revistas.usp.br/sa/indexPUBhttps://old.scielo.br/oai/scielo-oai.phpscientia@usp.br||alleoni@usp.br1678-992X0103-9016opendoar:2011-01-13T00:00Scientia Agrícola (Online) - Universidade de São Paulo (USP)false |
dc.title.none.fl_str_mv |
Physical and metabolic alterations in "Prata Anã" banana induced by mechanical damage at room temperature |
title |
Physical and metabolic alterations in "Prata Anã" banana induced by mechanical damage at room temperature |
spellingShingle |
Physical and metabolic alterations in "Prata Anã" banana induced by mechanical damage at room temperature Maia,Victor Martins postharvest musa spp injury |
title_short |
Physical and metabolic alterations in "Prata Anã" banana induced by mechanical damage at room temperature |
title_full |
Physical and metabolic alterations in "Prata Anã" banana induced by mechanical damage at room temperature |
title_fullStr |
Physical and metabolic alterations in "Prata Anã" banana induced by mechanical damage at room temperature |
title_full_unstemmed |
Physical and metabolic alterations in "Prata Anã" banana induced by mechanical damage at room temperature |
title_sort |
Physical and metabolic alterations in "Prata Anã" banana induced by mechanical damage at room temperature |
author |
Maia,Victor Martins |
author_facet |
Maia,Victor Martins Salomão,Luiz Carlos Chamhum Siqueira,Dalmo Lopes Puschman,Rolf Mota Filho,Virgílio Jamir Gonçalves Cecon,Paulo Roberto |
author_role |
author |
author2 |
Salomão,Luiz Carlos Chamhum Siqueira,Dalmo Lopes Puschman,Rolf Mota Filho,Virgílio Jamir Gonçalves Cecon,Paulo Roberto |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Maia,Victor Martins Salomão,Luiz Carlos Chamhum Siqueira,Dalmo Lopes Puschman,Rolf Mota Filho,Virgílio Jamir Gonçalves Cecon,Paulo Roberto |
dc.subject.por.fl_str_mv |
postharvest musa spp injury |
topic |
postharvest musa spp injury |
description |
Bananas respond at the physical and physiological level to mechanical damage. Mechanical injuries cause alterations in color and flavor, tissue softening, faster ripening, increased weight loss, increased invasion of microorganisms, and higher enzyme activity in the affected area. The purpose of this study was to verify the physical and metabolic alterations in 'Prata Anã' bananas induced by mechanical stress at room temperature. The experiment was conducted in a completely randomized, split-plot in time design, consisting of one control and four mechanical injury types: cutting, abrasion, impact and compression, sampled over time. The percentage of accumulated and daily fresh weight loss, electrolyte leakage from the injured peel region, total soluble sugar and starch contents and enzyme activity of polyphenoloxidase and peroxidase were measured. The damage caused by cutting and abrasion resulted in the highest percentage of fresh weight loss. All types of mechanical damage increased electrolyte leakage during the evaluation period, in comparison with the control. The impact damage anticipated the ripening, besides affecting the conversion of starch into total soluble sugars in the pulp. By impact and abrasion injuries, the polyphenoloxidase and peroxidase activity in the peel was increased by up to 231% and 90%, and 618% and 956%, respectively, compared to the control. |
publishDate |
2011 |
dc.date.none.fl_str_mv |
2011-02-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162011000100005 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162011000100005 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/S0103-90162011000100005 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Escola Superior de Agricultura "Luiz de Queiroz" |
publisher.none.fl_str_mv |
Escola Superior de Agricultura "Luiz de Queiroz" |
dc.source.none.fl_str_mv |
Scientia Agricola v.68 n.1 2011 reponame:Scientia Agrícola (Online) instname:Universidade de São Paulo (USP) instacron:USP |
instname_str |
Universidade de São Paulo (USP) |
instacron_str |
USP |
institution |
USP |
reponame_str |
Scientia Agrícola (Online) |
collection |
Scientia Agrícola (Online) |
repository.name.fl_str_mv |
Scientia Agrícola (Online) - Universidade de São Paulo (USP) |
repository.mail.fl_str_mv |
scientia@usp.br||alleoni@usp.br |
_version_ |
1748936462363000832 |