“Further, the levels of lipid peroxide (TBARS), enzymatic antioxidants such as … and non-enzymatic antioxidants such as GSH, Vitamin C, Vitamin E and Phase I (cytochrome P450, cytochrome b5, EROD, MROD and PROD) and Phase … (glutathione S-transferase (GST), quinone reductase (QR)) were decreased significantly by administration of tangeretin.”