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KMID : 1036720170500030246
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Journal of Nutrition and Health
2017 Volume.50 No. 3 p.246 ~ p.256
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Association of total dietary antioxidant capacity with oxidative stress and metabolic markers among patients with metabolic syndrome
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Ham Dong-Woo
Jun Shin-Young
Kang Min-Ji
Shin Sang-Ah
Wie Gyung-Ah
Baik Hyun-Wook
Joung Hyo-Jee
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Abstract
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Purpose: This study aimed to investigate the association of total dietary antioxidant capacity (TAC) with oxidative stress and metabolic markers among patients with metabolic syndrome according to gender.
Methods: A total of 346 subjects aged 30~59 years with two or more risk factors of metabolic syndrome were recruited from a general hospital near Seoul in South Korea between 2010 and 2012 based on data from the medical checkup. Biochemical indices for oxidative stress and metabolic markers were measured. Food consumption data from 3-day food records were linked with the antioxidant capacity database for commonly consumed Korean foods to estimate individual's TAC.
Results: Average dietary TAC of the study subjects was 132.0 mg VCE/d/1,000 kcal in men and 196.4 mg VCE/d/1,000 kcal in women. Levels of gamma-glutamyltransferase (GGT), systolic blood pressure, diastolic blood pressure, and blood triglycerides were reduced significantly according to increasing TAC in men, but there was no significant trend in women. Intakes of total flavonoids and carotenoids were significantly negatively correlated with GGT (p < 0.05) and d-ROMs (p < 0.01) in men, whereas those of alpha-tocopherol (p < 0.05) and gamma-tocopherol (p < 0.05) were positively correlated with biological antioxidant potential (BAP) in women. The odds ratio of high oxidative stress indices and abnormal metabolic markers according to TAC level were not significant in either men or women.
Conclusion: The results show that dietary TAC was partially associated with oxidative stress and metabolic markers among patients with metabolic syndrome. Further research is required for elucidating the association between dietary TAC and incidence of metabolic syndrome and chronic diseases within a large population in prospective studies.
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KEYWORD
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metabolic syndrome, antioxidant, oxidative stress, metabolic marker, total antioxidant capacity
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