22/06/2015 10:18 BST | Updated 22/06/2015 10:59 BST

How To Lose Weight: Red Wine And Berries Help To Burn Excess Fat, Say Scientists

Love red wine? Then you'll love this.

A new study has found that resveratrol found in berries, grapes and other fruits could aid weight loss.

Resveratrol is a polyphenol, which is a type of antioxidant found in most fruits and some types of wine.

It has the ability to convert excess white fat into brown or beige fat which helps to keep the weight off by burning calories.

red wine grapes

Researchers from Washington State University fed mice a high fat diet with resveratrol portions that equated to 12 ounces (two-three servings) of fruit per day for humans.

They found that those who consumed resveratrol gained about 40% less weight than normal mice.

Lead researcher, Professor Min Du said: "Polyphenols in fruit, including resveratrol, increase gene expression that enhances the oxidation of dietary fats so the body won't be overloaded."

"They convert white fat into beige fat which burns lipids (fats) off as heat - helping to keep the body in balance and prevent obesity and metabolic dysfunction."


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In the past, studies have suggested that resveratrol could help stem obesity - although researchers were unsure how.

"We are using resveratrol as a representative for all of the polyphenols,” said Professor Du.

"In reality, it’s the total polyphenolic content that is more important. We think you can increase your total intake of polyphenol compounds by directly increasing fruit consumption."

Polyphenol compounds can be found in blueberries, strawberries, raspberries, grapes and apples.

Professor Du noted that wines such as Merlot or Cabernet Sauvignon contain only a fraction of resveratrol and other phenolic compounds found in grapes.

"Many of the beneficial polyphenols are insoluble and get filtered out during the wine production process," he added, suggesting that those who want to feel the full benefits should eat fruit.

The study was published in the International Journal of Obesity.

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