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