Recently, we see filters for air conditioners or air cleaner penetrating catechines. What is catechines exactly? When you drink tea, you taste the bitterness. This bitterness is the catechines (a family of Tannin).
Catechines which is contained in the tea are epigarocatechines galate、epicatechine galate、epigarocatechines、epicatechines、garocatechines、catechines. However epigarocatechines galate is most largely contained.
Catechines are known for its antibacterial effect and deodorant effect. Even the regular served tea can kill potsurinis germ. Even some of them are not completely killed, toxin does not be active because of the effect of catechines. Recently, 0-157 bacteria has become the big issue. Catechins antibacterial effect Against O-157 is also proved.
About the deodorizing effects, catechines resolve the various kind of odor. For example, adding some tea for cooking fish, it will take fishy smell out of the fish. This is also because of the chemical reaction of catechines. Volatile amine contained in fish and catechines in the tea combine and take the odor out. This is why catechines is used to the filters for air conditioners or air cleaners.
Today, the catechines effect against sick-house syndrome is also under the studies. Sick-house syndrome is the chemical reaction by the painting or constructing materials such as holmaldehit from the house, especially newly build one. It is possible that catechines can be also effective for against the sick-house syndromes.