GreenTea Extract Polyphenon
12 Functions of Tea Catechins
Home > 12 Functions of Tea Catechins


Mitsui Norin has developed very strong evidence supporting the benefits of tea catechins in maintaining human health.
Tea Catechin is used as a health supplement in many categories of the food industry and is now being studied for its pharmaceutical potential.




1 Anti-oxidative and anti-aging effects
Tea catechins’ anti-oxidative effect is 10 times greater than that of vitamin C and 20 times greater than that of vitamin E. Tea catechins hinder the internal oxidizationcaused by free radicals such as activated oxygen.

page top



2 Immune enhancing effects
Tea catechins' anti-microbial effects guard against food-borne bacteria including H.pylori which is sospected to cause gastric ulcers.

page top



3 Anti-microbial effects and cold prevention
Tea catechins attach themselves firmly onto the surface of the influenza virus and acts to prevent the virus from infecting the oral mucus membranes.

page top



4 Bad breath prevention and deodorant
Tea catechins are effective in neutralizing unpleasant odors arising from ammonium and by absorbing formaldehyde, which often pollutes indoor environments.

page top



5 Controlling high blood sugar levels
Tea catechins help suppress the enzyme that breaks down sugar into glucose, and therefore works to limit increases in blood sugar levels.

page top



6 Controlling high blood pressure
Tea catechins help suppress the enzyme that contracts blood vessels, and therefore eases high blood pressure.

page top



7 Controlling cholesterol
Tea catechins can prevent the absorption of cholesterol and suppress high cholesterol levels in the blood.

page top



8 Probiotic effects
Tea catechins help maintain healthy intestinal flora by decreasing the number of harmful bacteria, including Clostridium perfringens, while encouraging the growth of helpful bacteria such as Bifidobacteria..

page top



9 Prevention of tooth decay
Tea catechins have a strong inhibitory effect against S. mutans, and is also beneficial in preventing the buildup of dental plaque.

page top



10 Weight Management
Tea catechins increase the metabolism of fats by the liver, inhibits lipase which breaks down fat in the digestive tract, and provides a feeling of satiety or fullness.

page top



11 Anti-allergic effects
Tea catechins can alleviate some allergic symptoms by suppressing the discharge of histamine.

page top



12 Enhances DNA integrity
Evidence supports Tea catechins as an effective anti-mutagenic, anti-metastasis & chemo-preventative agent.
page top




Mitsui Norin Co.,Ltd.