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dc.contributor.author
Goulas, V.
dc.contributor.author
Minas, I. S.
dc.contributor.author
Kourdoulas, P. M.
dc.contributor.author
Vicente, Ariel Roberto
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dc.contributor.author
Manganaris, G. A.
dc.date.available
2016-12-26T20:18:21Z
dc.date.issued
2014-07
dc.identifier.citation
Goulas, V.; Minas, I. S.; Kourdoulas, P. M.; Vicente, Ariel Roberto; Manganaris, G. A.; Phytochemical content, antioxidants and cell wall metabolism of two loquat (Eriobotrya japonica) cultivars under different storage regimes; Elsevier; Food Chemistry; 155; 7-2014; 227-234
dc.identifier.issn
0308-8146
dc.identifier.uri
http://hdl.handle.net/11336/10228
dc.description.abstract
Changes in quality, phytochemical content and cell wall metabolism of two loquat cultivars (Eriobotrya japonica cvs. ‘Morphitiki’, ‘Karantoki’) under different storage regimes were studied. The fruit were harvested at commercial maturity stage and analyzed after 1, 3, 5, 7, and 11 days maintenance at room temperature (RT, 20 C) or after cold storage (14 days at 4 C) and additional ripening at RT for 1, 3 and 5 days, respectively. Compositional analysis revealed substantial cultivar differences; the ‘Morphitiki’ fruit was more acidic and showed higher contents of total phenolics, flavonoids and hydroxycinnamic acid-derivatives as well as greater antioxidant potency. Although firmness did not change markedly during storage, the cell wall exhibited extensive remodeling. Greater changes were observed in the pectin backbones than in polyuronide side chains and cross-linking glycans. Polygalacturonase (PG) showed better association with cell wall solubilization at RT than the enzymes involved in arabinan or galactan disassembly. During postharvest ripening after harvest, ‘Karantoki’ showed more extensive pectin solubilization than ‘Morphitiki’. Interestingly, cold storage inhibited the cell wall disassembly in ‘Karantoki’ but not in ‘Morphitiki’, suggesting that the cultivars may differ in their susceptibility to chilling-related wall disorders. Low temperature-induced alterations in wall disassembly may impact juice and phytochemical release upon consumption.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Flavonols
dc.subject
Carotenoids
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Chilling Injury
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Cold Storage
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Antioxidant Activity
dc.subject
Phenolics
dc.subject
Ripening
dc.subject.classification
Horticultura, Viticultura
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dc.subject.classification
Agricultura, Silvicultura y Pesca
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dc.subject.classification
CIENCIAS AGRÍCOLAS
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dc.title
Phytochemical content, antioxidants and cell wall metabolism of two loquat (Eriobotrya japonica) cultivars under different storage regimes
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-12-12T14:12:02Z
dc.journal.volume
155
dc.journal.pagination
227-234
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Goulas, V.. Cyprus University of Technology; Chipre
dc.description.fil
Fil: Minas, I. S.. Cyprus University of Technology; Chipre
dc.description.fil
Fil: Kourdoulas, P. M.. Cyprus University of Technology; Chipre
dc.description.fil
Fil: Vicente, Ariel Roberto. Universidad Nacional de la Plata. Facultad de Ciencias Agrarias y Forestales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Centro de Investigaciones en Criotecnología de Alimentos (i); Argentina
dc.description.fil
Fil: Manganaris, G. A.. Cyprus University of Technology; Chipre
dc.journal.title
Food Chemistry
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.foodchem.2014.01.054
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.ncbi.nlm.nih.gov/pubmed/24594179
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