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dc.contributor.author
Pereira, Ariana Aparecida Ferreira
dc.contributor.author
Tirapeli, Keny Gonçalves
dc.contributor.author
Chaves Neto, Antonio Hernandes
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da Silva Brasilino, Matheus
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da Rocha, Cláudia Quintino
dc.contributor.author
Belló Klein, Adriane
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Llesuy, Susana Francisca
dc.contributor.author
Dornelles, Rita Cássia Menegati
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Nakamune, Ana Cláudia de Melo Stevanato
dc.date.available
2018-06-06T20:06:02Z
dc.date.issued
2017-04
dc.identifier.citation
Pereira, Ariana Aparecida Ferreira; Tirapeli, Keny Gonçalves; Chaves Neto, Antonio Hernandes; da Silva Brasilino, Matheus; da Rocha, Cláudia Quintino; et al.; Ilex paraguariensis supplementation may be an effective nutritional approach to modulate oxidative stress during perimenopause; Pergamon-Elsevier Science Ltd; Experimental Gerontology; 90; 4-2017; 14-18
dc.identifier.issn
0531-5565
dc.identifier.uri
http://hdl.handle.net/11336/47594
dc.description.abstract
Perimenopause is a period in a woman´s life that precedes menopause and is characterized by hormonal changes that result in increased oxidative stress. Since oxidative stress is associated with age-related diseases and perimenopausal symptoms including somato-vegetative manifestations, nutritional antioxidant supplementation may be an effective approach to minimizing this stress. Mate tea (MT) (Ilex paraguariensis), a typical and inexpensive beverage consumed in the Brazilian south-east, Argentina and Uruguay, increases antioxidant defense. We hypothesized that MT could minimize oxidative stress during perimenopause by modulating enzymatic antioxidant defense. To test this, we analyzed the lipid oxidative damage and antioxidant defense in erythrocytes and liver of rats, after MT treatment. Female Wistar rats (aged 16 months) in proven perimenopause period received 20 mg/kg BW/day of mate tea, by gavage (PM + MT group) or water (PM group). Female rats aged 4 months (AD group) received water. Erythrocytes and liver were used to determine lipid oxidative damage, determined by malondialdehyde (MDA); superoxide dismutase (SOD), glutathione peroxidase (GPx) and catalase (CAT) activities. Total plasma antioxidant capacity was examined by ferric reducing antioxidant power assay (FRAP) and estrogen by radioimmunoassay. MT increased FRAP and did not change estrogen levels. Increased SOD and GPx, and reduced MDA were observed in both tissues studied. Increased CAT activity was observed only in the liver. We confirmed the hypothesis that MT was capable of minimizing oxidative stress in this period of life by modulating antioxidant defense.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Pergamon-Elsevier Science Ltd
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Antioxidant Capacity
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Mate
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Oxidative Damage
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Oxidative Stress
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Perimenopause
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Otras Ciencias Biológicas
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Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Ilex paraguariensis supplementation may be an effective nutritional approach to modulate oxidative stress during perimenopause
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-06-05T20:04:48Z
dc.journal.volume
90
dc.journal.pagination
14-18
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Pereira, Ariana Aparecida Ferreira. Universidade Estadual Paulista Julio de Mesquita Filho; Brasil
dc.description.fil
Fil: Tirapeli, Keny Gonçalves. Universidade Estadual Paulista Julio de Mesquita Filho; Brasil
dc.description.fil
Fil: Chaves Neto, Antonio Hernandes. Universidade Estadual Paulista Julio de Mesquita Filho; Brasil
dc.description.fil
Fil: da Silva Brasilino, Matheus. Universidade Estadual Paulista Julio de Mesquita Filho; Brasil
dc.description.fil
Fil: da Rocha, Cláudia Quintino. Universidade Estadual Paulista Julio de Mesquita Filho; Brasil
dc.description.fil
Fil: Belló Klein, Adriane. Universidade Federal do Rio Grande do Sul; Brasil
dc.description.fil
Fil: Llesuy, Susana Francisca. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Bioquímica y Medicina Molecular. Universidad de Buenos Aires. Facultad Medicina. Instituto de Bioquímica y Medicina Molecular; Argentina
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Fil: Dornelles, Rita Cássia Menegati. Universidade Federal do Rio Grande do Sul; Brasil
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Fil: Nakamune, Ana Cláudia de Melo Stevanato. Universidade Federal do Rio Grande do Sul; Brasil
dc.journal.title
Experimental Gerontology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.exger.2017.01.011
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