Tea Museum　-Japanese green tea museum-

Japanese green tea and components Japanese green tea has astringent taste. Japanese green tea's astringent taste attributes to Catechin Catechin is generally called Tannin and Catechin is a kind of Tannin. There are 6 catechins contained to Japanese green tea. There are 70-120mg of Catechin contained to a cup of tea. Japanese green tea has bitterness. Japanese green tea's bitterness attributes to Caffeine. Japanese green tea has brothy taste. Its taste attributes to Theanine. Theanine is a kind of Amino acid. The more Theanine, the more taste of Japanese green tea. High quality Sencha tea and Gyokuro tea have more theanine than other Japanese green teas.