Protective effect of butin against hydrogen peroxide-induced apoptosis by scavenging reactive oxygen species and activating antioxidant enzymes - Rui Zhang; Sungwook Chae; Kyoung Ah Kang; Mei Jing Piao; Dong Ok Ko; Zhi Hong Wang; Doek Bae Park; Jae Woo Park; Ho Jin You; Jin Won Hyun (Molecular and Cellular Biochemistry, 2008)