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Year : 2020  |  Volume : 23  |  Issue : 4  |  Page : 481-488

Determination of the relationship between total antioxidant capacity and dietary antioxidant intake in obese patients

1 Yaşam Pınarım Nutrition and Dietary Counseling Center, Specialist Dietetician, Kayseri, Turkey
2 Nutrition and Dietetic Department, Erciyes University Health Science Faculty, Kayseri, Turkey

Correspondence Address:
Dr. S Çalapkorur
Erciyes University Health Science Faculty, Kayseri
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/njcp.njcp_212_19

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Background: Adipokines secreted from adipose tissue in obese individuals increase oxidative stress in the body and sufficient antioxidant consumption is recommended to reduce the effects of this stress. Consumption of foods rich in antioxidants is thought to be related to serum total antioxidant capacity (TAC) but the effect of dietary antioxidant amount on serum antioxidant capacity is not yet clear. Objective: The aim of this study was to investigate the relationship between dietary antioxidant intake and serum TAC in obese and normal-weight individuals. Methods: Around 36 obese and 24 normal weighted volunteers participated in this study. Demographic characteristics, anthropometric measurements, and antioxidant food consumption from frequency questionnaires (questionnaire TAC) of individuals were recorded. The amount of antioxidant intake from diet (dietary TAC) was calculated from food consumption records. Serum TAC values were measured calorimetrically according to the Trolox equivalent antioxidant capacity (TEAC). Results: The dietary TAC levels of the experimental group were higher than the control group (5.45 ± 6.15 mmol/day vs. 3.20 ± 7.27 mmol/day, P = 0.006); whereas, the ratio of serum TAC per body weight was significantly lower in obese participants (0.013 ± 0.0134 mmol/L vs. 0.017 ± 0.003 mmol/L, P< 0.001). However, a positive relation (r = 0.339, P = 0.008) was observed between dietary TAC and serum TAC. Moreover, a positive correlation between the serum TAC levels of the individuals and the weight in both groups (r = 0.335, P = 0.046 in obese participants, and r = 0.523, P = 0.009 in control group), and the BMI in the experimental group (r = 0.384, P = 0.021). Likewise, there is an association between the diet TAC level and the diet protein ratio (r = 0.478, P = 0.018) in obese participants.Conclusıon: Dietary TAC intake was significantly higher and the TAC/weight lower in the experimental group. Moreover, the relationship between diet TAC and serum TAC was significant.

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