Main Pigment Substances in Pu'er Tea
The main pigment substances in Pu'er tea are theaflavin, thearubigin, and theabrownin, which are considered the primary water-soluble oxidation products of tea polyphenols. Theaflavin is the main component responsible for the brightness of the tea liquor; thearubigin gives the tea liquor its red col...
Tea News · May 08, 2026
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
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