Journal
ANNALS OF GENERAL PSYCHIATRY
Volume 18, Issue -, Pages -Publisher
BMC
DOI: 10.1186/s12991-019-0225-7
Keywords
Total antioxidant capacity; Depression; Oxidative stress; Menopause
Categories
Funding
- Tehran University of Medical Sciences (TUMS) [95-02-161-32419]
- Students' Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran [96-01-61-33952]
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BackgroundPostmenopausal women are at higher risk of mental disorders. Oxidative stress has implication in the development of these disorders. Dietary total antioxidant capacity (DTAC) has been proposed as a tool for assessing dietary antioxidants intake. The relationship between DTAC with depression, anxiety and stress has not been investigated in postmenopausal women. Thus, we aimed to assess the association between DTAC and depression, stress and anxiety as well as oxidative stress biomarkers.MethodsThis cross-sectional study was carried out on 175 postmenopausal women. Data on dietary intake and mental health were collected by 147-item semi-quantitative food frequency questionnaires (FFQ) and Depression Anxiety Stress Scales (DASS-42), respectively. Dietary and serum total antioxidant capacity (TAC), malondialdehyde (MDA), oxidized-LDL, and superoxide dismutase (SOD) were measured. ANOVA test was applied to compare the mean of variables across the tertiles of DTAC. The relationship between DTAC and oxidative stress biomarkers was determined through ANCOVA method. Simple and multivariate linear regression tests were performed to measure the relationship between DTAC and mental health.ResultsSerum MDA level was significantly lower in the subjects at the highest tertiles of DTAC (P-value<0.001). In addition, serum TAC level was significantly higher in subjects at the second tertile of DTAC (P-value=0.04). DTAC was inversely and independently related to depression (=-0.16, P-value=0.03) and anxiety scores (=-0.21, P-value=0.007). There was no significant association between DTAC and stress score (=-0.10, P-value=0.1).ConclusionAn inverse relationship was found between DTAC with depression, anxiety scores and some oxidative stress biomarkers in postmenopausal women. These findings indicate DTAC may be used for developing effective dietary measures for reducing depression and anxiety in these women.
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