According to a new study, drinking either green or black tea might help influence weight loss as these two beverages could help cut down on excessive fats. They can do so as they contribute to the growth of metabolism-boosting microflora.
University of California, Los Angeles (UCLA) researchers are behind this new study. This latest research strengthens the results of previous research that noted the beneficial effects of green tea. Thanks to specific chemicals in its componence, polyphenols, this can both absorb and alter the liver’s energy metabolism.
Green and Black Tea, Useful and Safe Weight Loss Beverages?
According to the study results, black tea has a similar influence on the weight thanks to the same chemicals. The researchers noted that the polyphenols contained in this type of tea are too big to be absorbed by the small intestine.
As such, these seem capable of stimulating the growth of the gut bacterium. At the same time, the polyphenols in black tea play a role in the formation of short-chain fatty acids, which are a type of bacterial metabolites. These play a role in the energy metabolism process of the liver.
“Black tea, through a specific mechanism through the gut microbiome, may also contribute to good health and weight loss,” states Susanne Henning, one of the researchers.
The team based its results on their observation of mouse models. These were divided into four groups, with each being fed with different diets.
While one group received a high-sugar and low-fat diet, the remaining got high-sugar, high-fat foods. Two of these three groups also got either a green or a black tea extract, as part of their diet.
Four weeks later, the scientists measured the weight of all the mice in the four groups. They also analyzed samples taken from their liver and intestines. These latter were studied to measure the mice’s bacteria content.
This analysis showed that the mice that also consumed the tea extracts had fewer bacteria associated with obesity in their organism. They also had more bacteria linked to a lean body mass.
According to the researchers, their study showed that black tea is just as effective as green tea in promoting and helping with weight loss.
A paper with the detailed study results is available in the European Journal of Nutrition.
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