Scientists from Harvard University found that eating fruit and vegetables that contain high levels of flavonoids, such as apples, pears, and berries, may be associated with less weight gain.
The research is published in The BMJ and was conducted by Monica L Bertoia et al.
Dietary flavonoids are natural compounds found in fruits and vegetables.
These have been linked to weight loss, but most studies have looked at a particular flavonoid found in green tea and have mostly been limited to small samples.
In the study, the team examined the association between the dietary intake of seven flavonoid subclasses and weight change in a large study of 124,086 men and women based across the US over 24 years.
They tracked participants who were part of three prospective cohort studies: the Health Professionals Follow Up Study, Nurses’ Health Study, and Nurses’ Health Study II.
The researchers found that eating more foods rich in flavonoids were linked to less weight gain.
The greatest association was found for anthocyanins, flavonoid polymers, and flavonols: each greater standard deviation of daily intake was associated with 0.16 to 0.23 lbs (equivalent to 0.07- 0.10 kg) less weight gained over four-year intervals.
Blueberries and strawberries were the main sources of anthocyanins, and flavan-3-ols, and their polymers were mainly derived from tea and apples.
Orange juice and oranges were the main sources of flavanone and flavones, and tea and onions were the main sources of flavonols.
This is the first study to examine the associations between consumption of seven flavonoid subclasses and weight gain in a large sample size.
the authors say that the findings may help to refine previous dietary recommendations for the prevention of obesity and its potential consequences.
In addition, they say that losing or preventing even small amounts of weight can reduce the risk of diabetes, cancer, high blood pressure, and heart disease.
They add that the results can provide guidance on which fruits and vegetables to choose for preventing weight gain.
If you care about weight loss, please read studies about 10 small changes you can make to prevent weight gain, and this obesity drug can help both younger and older people lose weight.
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