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Nutrients 2018, 10(9), 1310;

Positive Effects of Tomato Paste on Vascular Function After a Fat Meal in Male Healthy Subjects

Department of Medicine, General Medicine & Hypertension Unit, University of Verona, Piazzale LA Scuro 10, 37134 Verona, Italy
Department of Biotechnology, University of Verona, 37134 Verona, Italy
Department of Neurological, Biomedical and Movement Sciences, Laboratory of Clinical Biochemistry, University of Verona, 37134 Verona, Italy
Author to whom correspondence should be addressed.
Received: 4 September 2018 / Revised: 12 September 2018 / Accepted: 13 September 2018 / Published: 15 September 2018
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Tomato consumption has been recently associated with a reduced incidence of cardiovascular disease (CVD). The aim of this study was to test whether a seven-day period of tomato paste purèe (tomato paste, TP) supplementation could improve some haemodynamic parameters in healthy volunteers before and after a standardized fat meal (FM). Methods and results: Nineteen healthy male volunteers participated in a randomized, single-blind (operator) crossover study. Participants maintained low fiber diets (LFD) during the study periods. They were randomized either to a LFD and TP arm (80 g of TP/day) for seven-days, or to a control arm (LFD-only) with a two-week washout period. Flow Mediated Dilatation and other morpho-functional vascular indices were measured by ultrasound. Stiffness Index and Reflection Index were estimated by digital photo-plethysmography. All these parameters were measured one h before and two and 3.5 h after the FM. The difference in Stiffness Index was increased in the LFD and TP + FM-arm, as compared to the LFD-only + FM arm at both two and 3.5 h points. After the FM, in both arms, at two h, we observed a reduction in the Reflection Index and an increase in heart rate. Interestingly, only in the LFD and TP + FM-arm, some haemodynamic changes were detectable at two h; notably, there was an increase in brachial artery diameter and a reduction in diastolic blood pressure (BP). Conclusions: TP has no effect on Flow Mediated Dilatation but acutely modifies some haemodynamic parameters triggered by FM, suggesting possible haemodynamic beneficial effects in people consuming tomatoes. View Full-Text
Keywords: Tomato; endothelium; arterial stiffness; stiffness index; fat meal; blood pressure Tomato; endothelium; arterial stiffness; stiffness index; fat meal; blood pressure

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Dalbeni, A.; Treggiari, D.; Tagetti, A.; Bevilaqua, M.; Bonafini, S.; Montagnana, M.; Scaturro, G.; Minuz, P.; Fava, C. Positive Effects of Tomato Paste on Vascular Function After a Fat Meal in Male Healthy Subjects. Nutrients 2018, 10, 1310.

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