No association between zinc and thyroid activity in obese women.

No association between zinc and thyroid activity in obese women. Int J Vitam Nutr Res. 2019 Aug 21;:1-8 Authors: Beserra JB, Morais JBS, Severo JS, Cruz KJC, de Oliveira ARS, de Oliveira FE, de Matos Neto EM, Henriques GS, Marreiro DDN Abstract Obesity is characterized by changes in the metabolism of zinc and thyroid hormones. Studies have also shown the role of zinc in the function and metabolism of thyroid. The present study aimed to evaluate the relationship between serum concentrations of thyroid hormones, dietary zinc intake and zinc distribution in obese women. A case-control study was conducted enrolling 98 women aged between 20 and 50 years old who were divided into case group (BMI ≥ 35 kg/m2) and control group (BMI = 18.5-24.9 kg/m2). Patients underwent anthropometric measurements and analysis of dietary zinc intake, which was performed by a three-day food record. Zinc concentrations in plasma and erythrocytes were determined by inductively coupled plasma optical emission spectrometry. Serum concentrations of thyroid hormones and antibodies were determined by chemiluminescence. Mean values of dietary zinc intake were higher than recommended (10.37 ± 3.12 mg/day and 11.37 ± 4.36 mg/day for control and obeses, respectively). Obese women had reduced plasma (67.22 ± 5.96 μg/dL) and erythrocyte (37.16 ± 3.64 μg Zn/gHb) zinc concentrations when compared to the control group (plasma: 89.71 ± 13.33 μ...
Source: International Journal for Vitamin and Nutrition Research - Category: Nutrition Tags: Int J Vitam Nutr Res Source Type: research