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The main aim of this study is to evaluate the bioavailability of table red wine and young Port red wine anthocyanins in healthy men.
Anthocyanins (ANT) are water soluble pigments found in plants, flowers and fruits that are consumed as part of the human diet, many times in higher amounts than other flavonoid classes. Red wine is also an important source of anthocyanins, especially Mv3glc.
Several epidemiological studies have suggested that the consumption of anthocyanin-rich foods, including the moderate consumption of red wine, is positively associated with the prevention of cardiovascular heart disease.
It has become clear that the flavonoid bioactive forms in vivo are not necessarily those which occur in nature, but metabolites arising after absorption takes place.Therefore, studying the bioavailability of red wine ANT is very important to identify which metabolites (originated in vivo) can actually reach the target organs (and in which concentrations) and may be responsible for the postulated health benefits of red wine.
Urine samples and peripheral venous blood (10 ml) will be collected from 10 h-fasting subjects. Afterwards, each volunteer will consume 250 ml of table red wine or 150 ml of young Port red wine and blood samples will be collected 15, 30, 60 and 120 min after wines ingestion. Another urine sample will be collected at 120 min.
Table red wine 12 % (250 ml) and young Port red wine 20 % (150 ml), two different food matrices rich in ANT, provided the same amount of ethanol (24 g of ethanol).
A thorough screening analysis for ANT will be performed in plasma and urine samples collected from the volunteers at different time points.
Endpoint Classification: Bio-availability Study, Intervention Model: Crossover Assignment, Masking: Open Label, Primary Purpose: Basic Science
Table Red Wine, Young Port Red Wine
CINTESIS - Faculty of Medicine of the University of Porto
Universidade do Porto
Published on BioPortfolio: 2016-11-30T15:45:44-0500
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