MinKyun Na, KiHwan Bae*, Sam Sik Kang, Byung Sun Min, Jae Kuk Yoo, Yuko Kamiryo, Yu-ichiro Senoo, Seiichi Yokoo and Nobuhiko Miwa College of Pharmacy, Chungnam National University, Daejeon, Korea Jakwang Research Institute, Hansaeng Cosmetics Co., Ltd., Nonsan, Korea Natural Products Research Institute, Seoul National University, Seoul, Korea Laboratory of Immunomodulator, Korea Research Instit...