Orange A Day Keeps The Doctor Away Print E-mail
Written by Robert Smith   
Saturday, 25 February 2012

Eating apples is great, but if you’re really an orange person, you’ll love this news: citrus fruit, particularly oranges and grapefruits, may be right up there with apples as health-giving all-stars.

Reduced stroke risk?

A study just published in Stroke, the journal of the American Heart Association, has drawn a strong connection between flavonoid-rich citrus fruits, especially oranges and grapefruits, with a reduced risk of stroke.


Flavonoids the key

Researchers have long studied the effect of flavonoids on our health. These are the antioxidant compounds in fruits and vegetables that give them their rich colours—and also many of their health benefits. These benefits are thought to be related to the ability of flavonoids to improve blood vessel function and to their anti-inflammatory effects.

Observational study

For this study, researchers looked at the dietary habits of nearly 70,000 women enrolled in the US Nurses’ Health Study. Through questionnaires about lifestyle and medical history collected every four years, researchers calculated total flavonoid intake.

The women who ate high amounts of citrus in their diets—more than 470 mg a day—had a 19 percent lower risk of ischemic stroke than women who didn’t consume as much—about 150 mg per day or less. The higher flavonoid intake, particularly flavanone from citrus fruits, was specifically associated with the lower risk.

 

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