Black tea may help in preventing obesity and promoting weight-loss

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Black tea may help in preventing obesity and promoting weight-loss

Posted on : Thursday 5th of October 2017

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While the caffeine content in black tea is a concerning factor, it is still considered to be the healthier option in comparison to black coffee.

Tea drinkers are in abundance across the globe and a lot of them like theirs black. But, here's a good news for you if you're one of them.

Researchers have revealed that black tea may be as beneficial as green tea in preventing obesity and promoting well-being.

The findings showed that chemicals found in black tea – called polyphenols – alters energy metabolism in the liver by changing gut metabolites.

Studies have previously linked black tea consumption to improvement in health problems like digestion, brain health, cancer, heart health, diarrhoea and even Parkinson's, provided it is consumed in moderation.

Earlier, it was known that green tea polyphenols are more effective and offer more health benefits than black tea polyphenols since green tea chemicals are absorbed into the blood and tissue.

However, "our new findings suggest that black tea, through a specific mechanism through the gut microbiome, may also contribute to good health and weight loss in humans", said lead author Susanne Henning, Professor at the University of California – Los Angeles (UCLA).

"The results suggest that both green and black teas are prebiotics, substances that induce the growth of good microorganisms that contribute to a person's well-being," Henning added.

For the study, published in the European Journal of Nutrition, the team conducted experiments on mice that consumed a high-fat, high-sugar diets and were supplemented with green tea or black tea extracts.

Both groups had lesser type of bacteria associated with obesity, but had more of bacteria associated with lean body mass.

However, only the mice that consumed black tea extract had an increase in a type of bacteria called Pseudobutyrivibrio – which could help explain the difference between how black and green tea change energy metabolism.

The findings suggest that the health benefits of both tea go beyond their antioxidant benefits and that both have a strong impact on the gut microbiome, noted Zhaoping Li, Director at UCLA's Centre for Human Nutrition. 

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