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European Journal of Nutrition
Published in: European Journal of Nutrition 1/2013

01-02-2013 | Original Contribution

Adherence to Mediterranean diet and close dietetic supervision increase total dietary antioxidant intake and plasma antioxidant capacity in subjects with abdominal obesity

Authors: Anastasia I. Kolomvotsou, Loukianos S. Rallidis, Konstantinos C. Mountzouris, John Lekakis, Antonis Koutelidakis, Stamatis Efstathiou, Maria Nana-Anastasiou, Antonis Zampelas

Published in: European Journal of Nutrition | Issue 1/2013

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Abstract

Purpose

To determine the effect of Mediterranean-type diet and close dietetic supervision on dietary antioxidant intake and plasma total antioxidant capacity (TAC) in patients with abdominal obesity.

Methods

Ninety subjects with abdominal obesity, 46 in intervention group, 44 in control group, participated in a 2-month, randomized, parallel dietary intervention. All participants were counseled on Greek Mediterranean diet. The intervention group was under close dietetic supervision, followed a specific relevant daily and weekly food plan consuming antioxidant-rich foods and food products. Total dietary antioxidant intake was calculated from the volunteers’ food diaries, and plasma TAC using plasma ORAC assay and plasma ferric-reducing antioxidant power (FRAP) assay, both at baseline and at 2 months.

Results

Following the 2-month period, total dietary antioxidant intake was increased in the intervention group compared to the control group (P = 0.000). In addition, increased intake of total fat, due to higher consumption of monounsaturated fatty acids, as well as increased intakes of dietary fiber, vitamin C and alcohol was also observed in the intervention group compared to the control group (P < 0.05). Plasma TAC was increased in the intervention group compared to the control group (P = 0.039) using the ORAC assay, while there was a trend toward a TAC increase (P = 0.077) using the FRAP assay.

Conclusion

Adherence to a Mediterranean-type diet, with emphasis on an increase in foods rich in antioxidants and close dietetic supervision, can increase total dietary antioxidant intake and plasma TAC in patients with abdominal obesity.
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Metadata
Title
Adherence to Mediterranean diet and close dietetic supervision increase total dietary antioxidant intake and plasma antioxidant capacity in subjects with abdominal obesity
Authors
Anastasia I. Kolomvotsou
Loukianos S. Rallidis
Konstantinos C. Mountzouris
John Lekakis
Antonis Koutelidakis
Stamatis Efstathiou
Maria Nana-Anastasiou
Antonis Zampelas
Publication date
01-02-2013
Publisher
Springer-Verlag
Published in
European Journal of Nutrition / Issue 1/2013
Print ISSN: 1436-6207
Electronic ISSN: 1436-6215
DOI
https://doi.org/10.1007/s00394-011-0283-3

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