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dc.creatorBRANDÃO,LETÍCIA C
dc.creatorHACHUL,HELENA
dc.creatorBITTENCOURT,LIA R
dc.creatorBARACAT,EDMUND C
dc.creatorTUFIK,SERGIO
dc.creatorD'ALMEIDA,VÂNIA
dc.date2009-01-01
dc.date.accessioned2019-05-02T21:21:50Z
dc.date.available2019-05-02T21:21:50Z
dc.identifierhttps://scielo.conicyt.cl/scielo.php?script=sci_arttext&pid=S0716-97602009000300002
dc.identifier.urihttp://revistaschilenas.uchile.cl/handle/2250/81945
dc.descriptionSleep disorders have an increased incidence after menopause. The objective of this work was to evaluate the effects of isoflavone on some oxidative stress markers in postmenopausal women complaining of insomnia. Women aged between 50-65 years (n=38) were recruited and assigned to a double-blind placebo controlled study for 4 months. The treated group received 100 mg/day of isoflavones. Blood collections were conducted on three different occasions to assess total glutathione; superoxide dismutase and catalase in erythrocytes; lipid peroxidation; and homocysteine plasma concentrations. No differences between the groups were observed. However, all the patients seem to improve their oxidative stress status and homocysteine concentration after treatment. Superoxide dismutase activity was correlated with age and time of menopause at the beginning of the treatment, but these correlations were no longer observed by the end of the study. Soy isoflavones were not able to overcome the placebo effect for either oxidative stress parameters or homocysteine concentrations.
dc.formattext/html
dc.languageen
dc.publisherSociedad de Biología de Chile
dc.relation10.4067/S0716-97602009000300002
dc.rightsinfo:eu-repo/semantics/openAccess
dc.sourceBiological Research v.42 n.3 2009
dc.subjecthomocysteine
dc.subjectisoflavones
dc.subjectinsomnia
dc.subjectmenopause
dc.subjectoxidative stress
dc.titleEffects of isoflavone on oxidative stress parameters and homocysteine in postmenopausal women complaining of insomnia


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