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Abstract Title:

Sesame oil consumption exerts a beneficial effect on endothelial function in hypertensive men.

Abstract Source:

Eur J Prev Cardiol. 2012 Jan 25. Epub 2012 Jan 25. PMID: 22345690

Abstract Author(s):

Kalliopi Karatzi, Kimon Stamatelopoulos, Maritta Lykka, Pigi Mantzouratou, Sofia Skalidi, Nikolaos Zakopoulos, Christos Papamichael, Labros S Sidossis

Article Affiliation:

Laboratory of Nutrition and Clinical Dietetics, Department of Nutrition and Dietetics, Harokopio University, Athens, Greece.

Abstract:

Background: The aim of the study was to investigate the effects of sesame oil on endothelial function and to detect the underlying mechanisms, both in the postprandial state and after long-term consumption.Design: We enrolled 30 hypertensive men in a two-phase study. In the first phase, 26 volunteers consumed 35 g of either sesame oil or control oil. Endothelial function, inflammatory activation and nitric oxide syntase (NOS) inhibition was assessed after a 12-hour fast and 2 hours after consumption of an oil-containing standardized meal. In the second phase, 30 volunteers consumed 35 g of sesame oil or control oil daily for 2 months and the above-mentioned parameters were assessed at baseline, 15, 30 and 60 days.Methods: Endothelial function was estimated by endothelium-dependent FMD (flow-mediated dilatation) of the brachial artery.Results: Flow-mediated dilatation (FMD) improved significantly both after acute (p = 0.001) and long-term sesame oil consumption (p = 0.015, p = 0.005 and p = 0.011 for 15, 30 and 60 days respectively). Intracellular adhesion molecule (ICAM) levels decreased significantly after only 60 days of daily sesame oil intake (p = 0.014). By contrast, no changes were observed in the control group in either phase of the study.Conclusions: This is the first study to show that sesame oil consumption exerts a beneficial effect on endothelial function and this effect is sustained with long-term daily use.

Study Type : Human Study

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Sayer Ji
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