*Corresponding author: Shabnam Hajian, Medical Plants Research Center, Shahrekord University of Medical Sciences, Sharekord, Iran. Email: [email protected] Free radicals lead to chronic diseases such as cancer, diabetes, atherosclerosis, nephrotoxicity, hepatotoxicity (1,2). Green tea (Camellia sinensis) is a popular herbal remedy worldwide. Polyphenols in green tea have attracted much atte...