Why Does Lapsang Souchong Tea Turn Black? It's All Due to Thearubigins
Why Does Lapsang Souchong Tea Turn Black? It's All Due to Thearubigins Lapsang Souchong tea soup may turn light black after being left for several hours, primarily due to the oxidation and polymerization process involving tea polyphenols. During black tea production, tea polyphenols are enzymatically oxidized into theaflavins, which then form thearubigins, and further...

Tea News · Sep 14, 2025