Mecha
Wikipedia: Mecha_teaLast Updated: Jan. 13, 2014
↑About Mecha
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Contrasting with many tippy teas, mecha has a sharply bitter flavor and is quite astringent. It is also highly aromatic.
Mecha is often the tea served as "agari", the tea served at the end of a meal of sushi. The bitterness of the tea is seen as cleansing the palate.