system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Free radical scavanging system enzyme is
assistant
The correct answer is  Answer-B. Glutathione peroxidaseAntioxidant mechanisms1. Non-enzymatic systemAntioxidants (Vit E , Vit A, Vit C, glutathione and Cysteine)Tissue proteins (transferrin, ferritin, laetofeftifl, and ceruloplasmin).2. Enzymatic systemCatalaseSupuoxide damutase (SOD)3. Glutathione peroxidasePresent in mitochondria & cytosol.It catalyzes free radical breakdown.H2O2 + 2 G S H - G S S G + 2 H2O2OH + 2 G S H - G S S G + 2H2O