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Message: <blockquote data-quote="ibnanv" data-source="post: 18621403" data-attributes="member: 218596">Daily glass of grapefruit juice 'protects against heart disease', study finds  <ul> <li data-xf-list-type="ul">Grapefruit is packed with health-boost chemicals, flavanones</li> <li data-xf-list-type="ul">Study found half a pint of grapefruit a day helped boost heart health</li> <li data-xf-list-type="ul">Flavanones help to improve the structure of blood vessel walls</li> <li data-xf-list-type="ul">The more elastic blood vessels are, the better blood flow to the heart is </li> </ul> A daily glass of grapefruit juice keeps blood vessels healthy and could protect against heart disease, a new study shows. Just half a pint a day was enough to improve circulation. Scientists  have identified that health-boosting chemicals, called flavanones, that  are naturally found in citrus fruits are responsible for the benefits. The  findings, published in the American Journal of Clinical Nutrition,  suggest regular grapefruit juice consumption could play a vital part in  warding off heart disease – Britain’s biggest killer.       <img src="http://i.dailymail.co.uk/i/pix/2015/07/06/15/2A46CFDD00000578-3151089-Half_a_pint_of_grapefruit_a_day_was_found_to_improve_heart_healt-a-18_1436193255880.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />        Half a pint of grapefruit a day was found to improve heart health, a team of French scientists revealed Around 73,000 people a year in the UK die from heart-related illnesses. They kill one in six of all men and one in ten women. Eating a diet rich in fruit has long been known to have a protective effect. But there has been less research on precisely what it is in citrus fruits like grapefruit that helps to sustain a healthy heart. Researchers  at the French National Institute for Agricultural Research at  Clermont-Ferrand, France, recruited 48 healthy women aged between 50 and  65 – one of the highest risk groups for heart disease.       <img src="http://i.dailymail.co.uk/i/pix/2015/07/06/15/2A46D8C300000578-3151089-The_study_revealed_that_flavanones_found_in_the_citrus_fruit_hel-a-19_1436193286590.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />        The study revealed that flavanones  found in the citrus fruit help improve the elasticity of blood vessels,  making it easier for blood to reach the heart Half  the group was given a daily quota of 340 millilitres – roughly half a  pint – of grapefruit juice packed with flavanones and the rest an  identical-looking drink but with no flavanones. After a few months the two groups then swapped over. The  results from the six-month trial showed that after regular consumption  of flavanone-containing juice, there was a significant improvement in  the health of the volunteers’ blood vessels. But there was little or no change when they drank the flavanone-free version. Researchers  measured this with a test called flow-mediated dilation, which is  designed to show how ‘stretchy’ and flexible artery walls are. The more elastic they are the better as it allows blood to flow more freely to the heart. In  a report on their findings the researchers said: ‘Regular grapefruit  juice consumption by middle-aged, healthy postmenopausal women is  beneficial for arterial stiffness. 'This effect may be related to flavanones present in grapefruit.’ The study was part-funded by a grant from the Florida Department of Citrus. However,  patients with existing heart disease should be careful about drinking  grapefruit juice as it can interfere with medication. Levels  of drugs used to treat raised cholesterol or high blood pressure can  increase significantly after just one glass of the juice, exposing  patients to a greater risk of side-effects.                   </blockquote>

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