Tannin in tea is a phenolic compound that has astringent and anti-inflammatory properties.
Have antioxidant action that protects cells against free radicals, and reduce the risk of degenerative diseases,
However, we should not abuse foods rich in tannins, since, in excessive amounts, they can reduce the absorption of nutrients.
Such as iron or proteins, and be the cause of insufficiency.
It is considered an antinutritive substance since its binding with proteins and subsequent coagulation interfere with its digestibility reducing the absorption of certain minerals.
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Tannins are easy to identify. The sensation of roughness, dryness, and bitterness that they cause both in the tongue and in the gums is very characteristic.
They are perceived, above all, their concentration decreases or is masked by the outstanding sweet taste.
Tea tannins are also responsible for the brown color of tea. Darker teas generally have a higher concentration of tea tannins than lighter teas.
Tannins have been identified as substances with beneficial health effects, although they can also decrease the absorption of some indispensable nutrients.
When consumed in moderation, tea tannins are considered to have certain health benefits.
Tannin found in tea is thought to fight certain types of bacteria found in a person’s mouth, thus preventing bad breath and cavities.
They are also believed to have a calming and relaxing effect on some people, which can counteract the nervousness or feeling of nervousness that is sometimes caused by the caffeine present in certain types of tea.
Studies suggest that the tannins found in tea, when consumed in large quantities, can interfere with plant-based iron absorption.
People who suffer from low iron, or who do not get iron from meat-based sources, are advised to limit tea intake to no more than four cups per day.
Many people believe that tea can help fight the common cold and other similar diseases.
Some studies indicate that there might be a verifiable basis for that belief. The interference of tannin in tea with iron absorption could prevent certain strains of disease-causing bacteria from absorbing the iron needed to thrive.
This would effectively starve the bacteria and thus help a person’s immune system fight the disease.
They also have astringent and anti-inflammatory properties, reduce inflammation of the intestinal mucosa.
So it is an effective treatment against diarrhea, and also helps the blood clot, acting as a local antihemorrhagic and being useful against hemorrhoids.
Tannins in tea take care of and protect the immune system, prevent inflammatory and degenerative processes caused by free radicals and regulate metabolism.
They have an antiseptic action, which helps the body heal and heals wounds correctly. In addition, they fight bacteria, fungi, and viruses that appear on the mucous membranes and skin.
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Tannin in tea side effects.
In very high doses, more than 5% contained in food or more than 100 mg daily, it can be toxic.
As they can cause some digestive alteration. such as diarrhea, blood in the urine, etc.,
Part of it is because they affect the growth of normal intestinal flora.
Limit your intake in case of constipation, as they have an astringent effect, or if you suffer from gastritis or gastroduodenal ulcer. as they could increase discomfort.
Excessive consumption can be toxic and cause a lack of appetite, stomach pain, and other digestive disorders.
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