The benefits of "Tannin", a bitter substance found in plants
When we drink tea or coffee. I felt that it was bitter. That is the bitter taste of tannins. Substances that can be found in these foods and beverages In addition to being notable for its bitter taste It may also provide health benefits as well. Today Hello Doctor will bring everyone to know how useful Tannin. And what precautions should you be aware of about this substance?
What is "tannin"?
Tannins, also known as tannic acid, are compounds derived from phenolic acids and belong to a class of compounds known as polyphenols. Polyphenols
The tannin molecule is larger. Other compounds In the group of polyphenols. It also has the ability to bind easily with other molecules such as protein, cellulose, starch and minerals. Thus making the tannins insoluble And more resistant to decay than other compounds In the same group
Naturally, tannins can be found naturally in parts of the plant, both edible and inedible, such as roots, bark, flowers, fruit, leaves and seeds, producing these bitter tannins. come To help protect yourself from natural pests Not allowing them to eat and destroy plants As for foods that contain tannins It can be found in most foods such as tea, coffee, chocolate and wine, etc.
Tannin benefits
Tannins are substances belonging to the class of polyphenol compounds. The main property of chemicals is an antioxidant. Help prevent inflammation And may help fight cancer , eating foods high in tannins. Therefore can help fight free radicals One of the major problems leading to the deterioration of the cells in the body. And may lead to cancer . Antioxidants like tannins can also help prevent and reduce inflammation. Make the wound heal more quickly
In addition, one recent study found that Tannins have properties that help fight fungi and bacteria that in the leather industry. Therefore, tannins are used to dye the leather to have a darker brown color. And help kill fungi or various bacteria That could be in leather Making the leather more durable and colorful
Cautions about tannins
While tannins may have health benefits , eating foods high in tannins can Especially eating too much It can lead to the following harmful effects.
- Reduce the absorption of nutrients
It is reported that Eating foods high in tannins May result in the body's growth rate less Consume less food And get less energy from food That is because Tannins may decrease the absorption of nutrients in foods, especially iron. By binding to these nutrients Making it harder for the body to absorb and use Although the reduction in bioavailability may not be sufficient to cause harm. But for those who already have malnutrition problems Can cause that problem to add even more
People with malnutrition, such as those with iron deficiency. Therefore should leave a distance between eating With eating foods that are high in tannin, such as drinking tea or coffee with meals. To drink before the next meal instead
- squeamish
Sometimes drinking tannin-rich beverages on an empty stomach. It can make us feel nauseous and vomit. Therefore, it is best to avoid eating foods that are high in tannins on an empty stomach. Or maybe add milk To help reduce irritation in the stomach
