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dc.contributor.author
Riffel, Ana P. K.
dc.contributor.author
Saccol, Etiane M. H.
dc.contributor.author
Finamor, Isabela A.
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Ourique, Giovana M.
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Gressler, Luciane T.
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Parodi, Thaylise V.
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Goulart, Luis O. R.
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Llesuy, Susana Francisca
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Baldisserotto, Bernardo
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Pavanato, María A.
dc.date.available
2017-12-14T18:28:40Z
dc.date.issued
2014-02
dc.identifier.citation
Riffel, Ana P. K.; Saccol, Etiane M. H.; Finamor, Isabela A.; Ourique, Giovana M.; Gressler, Luciane T.; et al.; Humic acid and moderate hypoxia alter oxidative and physiological parameters in different tissues of silver catfish (Rhamdia quelen); Springer Heidelberg; Journal of Comparative Physiology B: Biochemical, Systems and Environmental Physiology; 184; 4; 2-2014; 469-482
dc.identifier.issn
0174-1578
dc.identifier.uri
http://hdl.handle.net/11336/30674
dc.description.abstract
Aquatic animals are naturally exposed simultaneously to environments with different concentrations of humic acid (HA) and seasonal or daily variations of dissolved oxygen (DO) levels. This study investigated the effects of simultaneous exposure to different HA and DO levels on plasma ion levels and some hematological and oxidative parameters in different tissues of silver catfish (Rhamdia quelen). The fish were exposed to 0, 2.5 or 5 mg L(-1) HA for 120 h. After this period, each group was divided into two groups: normoxia and hypoxia. Exposure to the different DO levels lasted 96 h, totaling 216 h of experimentation. At the end of the experimental period, blood sampling was performed, and the fish were euthanized prior to the excision of the gills and the brain to evaluate hematological and oxidative parameters. To verify the antioxidant capacity of HA, total phenolic compounds were measured. In general, all tissues of silver catfish exposed simultaneously to hypoxia and different HA concentrations showed a reduction in lipid peroxidation levels, as well as a modulation of the antioxidant system. These effects occurred in an HA concentration-dependent manner. Thus, HA is beneficial to silver catfish exposed to hypoxia. These beneficial effects can be attributed, most likely, to the action of the different HA constituents and functional groups, including phenolic compounds, which have antioxidant properties.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer Heidelberg
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Fish
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Humic Acid
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Oxidative Parameters
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Oxygen Levels
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Otras Ciencias Biológicas
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Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Humic acid and moderate hypoxia alter oxidative and physiological parameters in different tissues of silver catfish (Rhamdia quelen)
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-12-14T13:48:15Z
dc.identifier.eissn
1432-136X
dc.journal.volume
184
dc.journal.number
4
dc.journal.pagination
469-482
dc.journal.pais
Alemania
dc.journal.ciudad
Heidelberg
dc.description.fil
Fil: Riffel, Ana P. K.. Universidade Federal de Santa Maria. Departamento de Fisiologia e Farmacologia; Brasil
dc.description.fil
Fil: Saccol, Etiane M. H.. Universidade Federal de Santa Maria. Departamento de Fisiologia e Farmacologia; Brasil
dc.description.fil
Fil: Finamor, Isabela A.. Universidade Federal de Santa Maria. Departamento de Fisiologia e Farmacologia; Brasil
dc.description.fil
Fil: Ourique, Giovana M.. Universidade Federal de Santa Maria. Departamento de Fisiologia e Farmacologia; Brasil
dc.description.fil
Fil: Gressler, Luciane T.. Universidade Federal de Santa Maria. Departamento de Fisiologia e Farmacologia; Brasil
dc.description.fil
Fil: Parodi, Thaylise V.. Universidade Federal de Santa Maria. Departamento de Fisiologia e Farmacologia; Brasil
dc.description.fil
Fil: Goulart, Luis O. R.. Universidade Federal de Santa Maria. Departamento de Fisiologia e Farmacologia; Brasil
dc.description.fil
Fil: Llesuy, Susana Francisca. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Bioquímica y Medicina Molecular. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Bioquímica y Medicina Molecular; Argentina
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Fil: Baldisserotto, Bernardo. Universidade Federal de Santa Maria. Departamento de Fisiologia e Farmacologia; Brasil
dc.description.fil
Fil: Pavanato, María A.. Universidade Federal de Santa Maria. Departamento de Fisiologia e Farmacologia; Brasil
dc.journal.title
Journal of Comparative Physiology B: Biochemical, Systems and Environmental Physiology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007/s00360-014-0808-1
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s00360-014-0808-1
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