It is known that the components found in black tea have various effects.
n this article, I would like to provide a detailed explanation of catechins, which are also famous for being found in green tea.

What are Catechins?

Catechins are a type of polyphenol found in green tea and black tea. Polyphenols are components of astringency and color pigments produced by plants and are found in large quantities in tea, as well as in wine and coffee.

The Effects of Catechins

It is said that catechins have various effects. Some people may not associate catechins with the image of tea being good for your health. In this article, we will introduce the effects that are expected of catechins.

◆Antibacterial Effect
It is said that catechins protect against bacteria and viruses, and are good for preventing colds and the flu.
A research group from Kyoto Prefectural University of Medicine has recently published a paper stating that catechins found in tea have the effect of “reducing the infectivity” of the novel coronavirus.

Reference:https://www.kpu-m.ac.jp/doc/news/2021/20210615.html

◆Antioxidant Effect
The antioxidant effect, or “kōsanka-sayō,” is expected to remove “kassei sanso” (reactive oxygen species) and prevent oxidation-related aging, cancer, lifestyle diseases, and so on.
To maintain youthfulness and prioritize health, let’s incorporate antioxidants into our diet in moderation.

◆ Blood sugar level suppression effect
Catechins have been observed to inhibit the absorption of sugars and suppress the rise in blood glucose levels.
It is also said to help prevent obesity by suppressing blood sugar levels after meals.

How was it?
Black tea is not only enjoyed for its flavor and aroma but also highly anticipated for maintaining health.However, it’s important to drink it appropriately, as the recommended daily intake for adults is roughly 400mg (about 8 cups).
There are still many components and roles contained in black tea, so please look forward to it!