Weekly intake of three servings of strawberries and blueberries for at least one-third can reduce the risk of heart attack in women, according to new to American scientists who were published in the Journal of the American Heart Association.
The secret to the protective properties of berries is that they are rich in natural flavonoids, also contained large quantities of grapes and blueberries. Anthocyanins - a specific subclass of flavonoids - dilate the arteries, preventing the formation of cholesterol plaques and okazyvetsya other beneficial effects on the cardiovascular system, the authors note.
"Blueberries and strawberries can be easily incorporated into the daily diet of women. And prevention is a simple food change can make a huge difference," - said Rima Eric (Eric Rimm), lecturer of nutrition and epidemiology at the Harvard School of Public Health in Boston, in a press release by the American Heart Association.
In the researchers studied data from a national survey on women’s health in the United States were 93.6 thousand stories of patients aged 25-42 years. Women reported their diet over the past 18 years, every four years.
Over the entire study period, experts noted 405 heart attacks. Women who drink regularly blueberries and strawberries, while the risk of heart attack by 32% was lower than in patients who in their diet included these berries are no more than once a month or less. This ratio remains unchanged even if the second group of women consuming a whole lot of fruits and vegetables.
"We found that frequent consumption of these berries in his youth, later in life may reduce the risk of heart attack," - said the head of the Faculty of Food in Norwich Medical School at the University of East Anglia in the UK Edin Cassidy (Aedin Cassidy).
Influence of berries on health is not dependent on such risk indicators, such as age, gender, body mass index, blood pressure, family history, smoking, caffeine and alcohol.