Show/hide main menu

News

News Highlights

Could eating raspberries prevent cardiovascular disease?

Posted on 08/06/2018

New research led by Dr Ana Rodriguez-Mateos, School of Life Course Sciences, shows that eating red raspberries improves the function of the cells that line blood vessels.

Endothelial cells form the interior lining of our blood and lymphatic vessels. They act as a barrier between the blood or lymph and the surrounding body tissue as well as playing key roles in blood clotting and regulating blood pressure amongst other things. Sometimes these cells stop working efficiently (called endothelial dysfunction) which is thought to be a significant factor in the development of cardiovascular disease.

smoothie

Dr Rodriguez-Mateos and her colleagues studied ten, healthy male volunteers aged 18-35 years. Participants were randomly given drinks containing no, 200g or 400g of raspberries. Researchers monitored chemicals in their blood and urine as well as their blood pressure and flow-mediated dilation (FMD) of the brachial artery: a measure of how the artery widens when blood flow increases.

The results showed a significant increase in FMD for participants that drank raspberry-containing drinks. The effect lasted for at least 24 hours and there was also a correlating increase in the levels of urolithin metabolites found in their blood. These are produced by bacteria in the gut as ellagitannins, a chemical found in raspberries, are digested. Researchers believe that ellagitannins could therefore be beneficial to vascular health.

If the change in FMD seen could be sustained for long enough, it would reduce a person’s risk of developing cardiovascular disease by up to 15%. Further studies are needed to establish whether these results translate into long-term health benefits in the general population and whether red raspberries and other foods rich in ellagitannins (such as strawberries, pomegranate or nuts) should be included as part of a healthy diet to help prevent cardiovascular disease.

raspberries 2

Speaking of the findings Dr Rodriguez-Mateos said:

‘Although more studies are needed to confirm our findings, we are very excited about the potential role of raspberries and ellagitannins in cardiovascular disease prevention. Following up on this study, we are now investigating the long-term benefits of ellagitannins in a larger group of healthy individuals and we are also looking at how our gut microbiota may have an impact on their health benefits.’

News Highlights:

News Highlights...RSS FeedAtom Feed

King's partnership receives €26.8 million to fund diabetes research

King's partnership receives €26.8 million to fund diabetes research

Description
The Innovative Medicines Initiative has awarded €26.8 million to 23 academic, industry and third sector partners across Europe and the USA to fund Hypo-RESOLVE (Hypoglycaemia – Redefining SOLutions for better liVEs).
King's dietitian is the first ever appointed a NICE Scholar

King's dietitian is the first ever appointed a NICE Scholar

Description
Dr Nicola Guess, School of Life Course Sciences, is the first dietician ever to be appointed a NICE Scholar.
Redefining the preconception period

Redefining the preconception period

Description
New research published in The Lancet this week shows that the diet and lifestyle of both parents before conception plays a key role in the long-term health of their children.
Sitemap Site help Terms and conditions  Privacy policy  Accessibility  Modern slavery statement  Contact us

© 2018 King's College London | Strand | London WC2R 2LS | England | United Kingdom | Tel +44 (0)20 7836 5454