茶胺酸 Traditional form: 茶胺酸 Pinyin (reading): chá'ànsuān Definitions: (Tw) (biochemistry) theanine Characters: 茶 - tea; tea leaves; tea plant 胺 - amine 酸 - tart, sour; spoiled; acid Traditional characters: 茶 - tea; tea leaves; tea plant 胺 - amine 酸 - tart, sour; spoiled; acid