Let's learn more about tea! Tea specialists in different fields explain all about the tea. Simply type the key word in the Ocha-no-ko serch, and it will bring you the page you are looking for.

Tea in General Varieties of Tea Utilization of Tea Distribution and Consumption Culture
Scientific Researchs on Tea Natural Powers of Tea History Tea Cultivation Unique Products of Tea
Kids List of authors

Scientific Researchs on Tea

O-cha gene analysis  Toshihiro Tsuneyoshi

Effect of eating o-cha  Yoshiyuki Nakamura

The active substances in green tea  Mamoru Isemura

Catechin  Muneyuki Nakagawa

Caffeine  Muneyuki Nakagawa

Saponins  Muneyuki Nakagawa

Teanin and amino acid in tea  Muneyuki Nakagawa

Vitamins  Isao Tomita

FlavonoidFlavonoid  Mamoru Isemura

Can you take medicine with tea?  Isao Tomita

Low Caffeine Tea  Tea Experiment Station

What makes tea more delicious?  Tea Promotion Office

Additive to the tea  Tea Promotion Office