Could 'Tearless' Unions Help in the Fight Against Cardiovascular Disease?

First Posted: Nov 06, 2013 03:18 PM EST
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A recent study shows how tearless onions could help in the fight against cardiovascular disease and weight gain.

As onions can play a key ingredient in recipes used around the world, scientists now report that a close relative, garlic, is renowned for protecting against heart disease.

The study notes the following, courtesy of a press release: "Colin C. Eady and colleagues note that the onion has a unique chemistry that leads to its tear-inducing effects when cut. Its pungency has driven cooks to don goggles, clench wooden spoons in their mouths and try other usually futile techniques to prevent crying at the cutting board. An answer could arrive in the form of a new type of onion that makes less of the protein blamed for making eyes burn and tear up. Eady's team has developed such a version, which instead makes a sulfur compound similar to one found in cut garlic that may be the key to its cardiovascular benefits. Many people eat garlic cloves or take it as a nutritional supplement in pill form to reduce the clumping of platelets in the blood, which can lead to blood clots and clogged arteries. Garlic also has been shown to reduce weight gain. They wanted to know whether the new onion might also have similar positive effects on health.

"The scientists found that in lab tests, extract from the tearless onion significantly reduced platelet clumping, compared to regular onions or even garlic. Other results showed that the new onion had about the same anti-inflammatory properties as the original. Also, preliminary testing in rats showed that the tearless onion could help control weight gain - more so than regular onions or garlic."

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More information regarding the study can be found via the ACS' Journal of Agricultural and Food Chemistry

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