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Use of a copper- and zinc-modified natural zeolite to improve ethylene removal and postharvest quality of tomato fruit

cris.virtual.author-orcid0000-0001-9701-6305
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cris.virtual.author-orcid#PLACEHOLDER_PARENT_METADATA_VALUE#
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cris.virtual.departmentFacultad de Ingeniería
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cris.virtualsource.author-orcid1648da68-eb7d-48ad-9087-7d2cf4e71c5e
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cris.virtualsource.department1648da68-eb7d-48ad-9087-7d2cf4e71c5e
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dc.contributor.authorDr. Valdés-Morales, Héctor
dc.contributor.authorSolar-Sáez, Víctor
dc.contributor.authorde Bruijn, Johannes
dc.contributor.authorGómez, Ambar
dc.contributor.authorLoyola, Cristina
dc.contributor.authorMelín, Pedro
dc.contributor.authorAbreu, Norberto
dc.contributor.authorAzzolina-Jury, Federico
dc.date.accessioned2024-10-08T18:13:39Z
dc.date.available2024-10-08T18:13:39Z
dc.date.issued2020
dc.description.abstractEthylene stimulates ripening and senescence by promoting chlorophyll loss, red pigment synthesis, and softening of tomatoes and diminishes their shelf-life. The aim of this work was to study the performance of a novel copper- and zinc-based ethylene scavenger supported by ion-exchange on a naturally occurring zeolite by analyzing its ethylene adsorption capacity and the influence of ethylene scavenging on quality attributes during the postharvest life of tomatoes. The influence of copper- and zinc-modified zeolites on ethylene and carbon dioxide concentrations and postharvest quality of tomatoes was compared with unmodified zeolite. Interactions among ethylene molecules and zeolite surface were studied by diffuse reflectance infrared Fourier transform spectroscopy in operando mode. The percentage of ethylene removal after eight days of storage was 57% and 37% for the modified zeolite and pristine zeolite, respectively. The major ethylene increase appeared at 9.5 days for the modified zeolite treatment. Additionally, modified zeolite delayed carbon dioxide formation by six days. Zeolite modified with copper and zinc cations favors ethylene removal and delays tomato fruit ripening. However, the single use of unmodified zeolite should be reconsidered due to its ripening promoting effects in tomatoes at high moisture storage conditions, as water molecules block active sites for ethylene adsorption.
dc.identifier.doi10.3390/cryst10060471
dc.identifier.urihttps://repositorio.ucsc.cl/handle/25022009/11372
dc.languageeng
dc.publisherMDPI
dc.rightsacceso abierto
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectAdsorption
dc.subjectDRIFTS operando
dc.subjectEthylene scavenging
dc.subjectPostharvest quality
dc.subjectTomato
dc.subjectZeolite
dc.titleUse of a copper- and zinc-modified natural zeolite to improve ethylene removal and postharvest quality of tomato fruit
dc.typeartículo
dspace.entity.typePublication
oairecerif.author.affiliationFacultad de Ingeniería
oairecerif.author.affiliationFacultad de Ingeniería
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