Black Tea Can Help You Lose Weight
You're
probably very familiar with the fact that green tea has the uncanny
ability to help you lose weight, but according to new research, black
tea is also able to melt fat away by working through a different
mechanism.
According to the study's
authors, components in green tea known as polyphenols are smaller than
those found in black tea, which is why they get absorbed through your
body's tissues, thereby impacting energy metabolism in the liver.
However, black tea's polyphenols are too large to get through the small
intestine and into the rest of your body, which is why it was previously
unclear whether or not they would have a beneficial effect on weight
loss.
"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," said the study's primary author. "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."
"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," said the study's primary author. "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."
That particular mechanism
appears to be one which changes the bacterial ratio in the intestine by
increasing the microbes connected to lean body mass and reducing those
connected to obesity. While both black and green teas act as prebiotics
in such a way, it appears that black tea might have a leg up over its
green partner.
The study required 4 groups of mice to be fed different diets. One group ate high-fat, high-sugar meals, while another had low-fat, high-sugar foods. The remaining two groups of mice were both on high-fat, high-sugar diets, but one of them received a black tea extract, while the other one got given a green tea extract.
The study required 4 groups of mice to be fed different diets. One group ate high-fat, high-sugar meals, while another had low-fat, high-sugar foods. The remaining two groups of mice were both on high-fat, high-sugar diets, but one of them received a black tea extract, while the other one got given a green tea extract.
After a month had passed, both
groups which were given tea extracts had weights which were in line with
those on the low-fat diets. It was found that for both of those groups,
intestinal samples showed lower levels of obesity-related bacteria and
higher levels of lean-related bacteria. However, only the mice which
were given the black tea extract showed heightened levels of a bacteria
known as Pseudobutyrivibrio, which, the researchers believe, is the
secret behind the extract's success.
These mice were also found to have a heightened level of short-chain fatty acids in their stomachs, compounds which have previously been linked to a beneficial effect on energy metabolism.
These mice were also found to have a heightened level of short-chain fatty acids in their stomachs, compounds which have previously been linked to a beneficial effect on energy metabolism.
Since
black tea appears to work in the stomach, while green tea works in both
the stomach and the liver, a combination of both kinds of tea may be
particularly useful, especially due to the fact that both drinks have
been linked to multiple health benefits beyond mere weight loss, so
here's to another cuppa!
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Labels: absorbed, aids weight loss, Bacteria, black tea, body's tissues, gut microbiome, mechanism, obesity, polyphenols, prebiotics, pseudobutyrivibrio
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