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Nutrición Hospitalaria

On-line version ISSN 1699-5198Print version ISSN 0212-1611


IBARRA, Olga et al. The Mediterranean Diet and micronutrient levels in depressive patients. Nutr. Hosp. [online]. 2015, vol.31, n.3, pp.1171-1175. ISSN 1699-5198.

Introduction: An inverse association between depression and some serum micronutrient levels (selenium, zinc, iron, magnesium, vitamin B and folic acid) has been reported. In addition, other studies reported that this micronutrient supplementation may improve depressed mood. The Mediterranean diet contains a sufficient amount of the micronutrients mentioned, although no study has reported an association between diet prescription and increased levels of them in depressive patients. Objective: To examine the impact of dietary patterns recommendations on micronutrient levels in depressive patients. Methods: 77 outpatients were randomly assigned either to the active (hygienic-dietary recommendations on diet, exercise, sleep, and sun exposure) or control group. Outcome measures were assessed before and after the six month intervention period. Results: Serum selenium and zinc levels were slightly low at basal point and serum selenium was inversely correlated with severity of depression (r=-0.233; p=0.041). A better outcome of depressive symptoms was found in the active group. Nevertheless, no significant differences in micronutrient levels were observed after the Mediterranean diet pattern prescription, probably due to an insufficient adherence. Conclusion: Selenium, zinc, iron, magnesium, vitamin B12 and folic acid serum levels didn't increase in depressed patients after six months of the Mediterranean diet pattern prescription.

Keywords : Depressive disorder; Lifestyle; Diet; Selenium; Zinc.

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