Lapsang Souchong Tea Soup Turns Black? It's All the Fault of Theabrownin!
When the soup of Lapsang Souchong tea is left for a few hours, it turns a light black color. This phenomenon is primarily caused by theabrownin, a compound formed during the oxidation and polymerization of tea polyphenols. In black tea production, tea polyphenols are enzymatically oxidized into thea...
Tea News · Jun 04, 2025
1