Theabrownin from Pu-erh Tea Restores Intestinal Immunity via Gut Microbiota–Metabolite Network in Immunosuppressed Mice
Theabrownin (TB), a polymeric pigment derived from ripened Pu-erh tea, demonstrates beneficial effects on lipid reduction, weight management, and mitigation of metabolic syndrome. However, the role of TB in restoring immune function in vivo has not been studied. This study evaluated the therapeutic effects and underlyi...