Plasma fatty acids Profile and lipids in Tunisian male elite athletes

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Published May 5, 2010
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Vol. 88 No. 5 (2010): Issue May 2010

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souheil Omar
Mohamed M. Sethom
Sondes Feki-Mhiri
Sameh Hadj-Taeib
Ikram Ben Ayed
Moncef Feki
Naziha Kaabachi

Abstract

Background: Growing interest is accorded to polyunsaturated fatty acids (PUFAs) w3, which are considered beneficial for health.
Aim: to investigate the effect of sports on plasma lipids and fatty acids (FAs), especially w6 and w3 PUFAs and the w6/w3 ratio.
Methods: The study included 75 Tunisian male elite athletes, practicing team sport and 70 sedentary healthy men as controls. Plasma FAs profile was analyzed by gas chromatography. Comparison between groups was performed using a univariate GLM analysis, with adjustment on age, body mass and energy intake.
Results: Athletes showed lower triglycerides and saturated FAs (27.64% ± 2.17% vs. 30.41% ± 4.35%) and increased HDL cholesterol and monounsaturated FAs (21.19% ± 2 44% vs. 19.12% ± 3.03%). However, there was no significant difference in total PUFAs, w6 and w3 families and w6/w3 ratio (10.15% ± 3.24% vs. 10.20% ± 3.37%) between athletes and sedentary.
Conclusion: Sport favorably modifies the profile of plasma FAs by increasing monounsaturated FAs at the expense of saturated FAs, but has no effect on total PUFAs, and w6 and w3 families. A diet rich in w3 PUFAs would lower the w6/w3 ratio, in order to improve the health and probably the performance of athletes.

Keywords:

Fatty acids, polyunsaturated fatty acids, w6/w3 ratio, sport

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