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Consumption red raspberries may improve vascular function

foodmate 2018-07-24
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A study published in the Archives of Biochemistry and Biophysics shows that ellagitannins -atural phenolic compounds found in red raspberries- may improve vascular function in healthy men.

 

“Raspberries are a rich source of ellagitannins and anthocyanins,” said study senior author dr. Ana Rodriguez-Mateos, of King’s College London and the University Düsseldorf. “The aim of our work was to investigate whether raspberry consumption can improve vascular function and to understand which phenolic metabolites may be responsible for the effects.”

 

In a randomized controlled trial, Rodriguez-Mateos and co-authors gave ten healthy male subjects, aged 18 to 35, drinks prepared with 200 g and 400 g of frozen raspberries containing 201 or 403 mg of total polyphenols, or a matched control drink in terms of macro and micronutrient content, colour, and taste.

 

The researchers investigated the vascular effects of the subjects at baseline, 2 hours-post consumption and 24 hours-post consumption of the raspberry and control test drinks. The participants consuming the red raspberry drink showed improved flow-mediated dilation (FMD), an established biomarker of cardiovascular disease risk.
 

 

According to  sci-news.com, FMD increased significantly at 2 hours post-consumption of the raspberry drink when compared with the change in FMD due to the control drink, and this maintained at 24 hours after consumption.

 

“We’re excited about these findings and what they may potentially add to the growing list of benefits from consuming red raspberries,” added Dr. Tom Krugman, executive director of the National Processed Raspberry Council, who was not involved in the study.

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