期刊
PLANT FOODS FOR HUMAN NUTRITION
卷 70, 期 1, 页码 9-14出版社
SPRINGER
DOI: 10.1007/s11130-014-0455-4
关键词
Oxidative status; Antioxidant capacity; Metabolomics; Fruit juice; Pomegranate; Grape
资金
- Spanish Ministry of Science and Innovation [AGL2011-27741]
- JAE-Doc contract from the CSIC
- Juan de la Cierva postdoctoral contract from the CSIC
An improvement in oxidative status is associated with a reduction in the incidence of several chronic diseases. However, daily intake of antioxidants in Western diets is decreasing. This study evaluates the effect of daily consumption of an antioxidant-rich juice (ARJ) on oxidative status, cardiovascular disease risk parameters, and untargeted plasma and urine metabolomes. Twenty-eight healthy young adults participated in an 8-week clinical trial by drinking 200 mL of ARJ (pomegranate and grape) daily. At the end of the study, the subjects showed a significant decrease (-29 %) in plasma lipid oxidation (malondialdehyde concentration), and a significant increase (+115 %) in plasma antioxidant capacity. Plasma and urine metabolomes were also significantly modified and some ions modified in urine were identified, including metabolites of polyphenols, ascorbic acid and biliary acids. No significant changes were observed in lipid profile, inflammation, blood pressure or glycaemia. These results show that incorporating antioxidant-rich beverages into common diets may improve oxidative status in healthy subjects.
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