1. Division of Applied Life Sciences (BK21), Graduate School, Institute of Agriculture and Life Science, Gyeongsang National University, Jinju 660-701, Republic of Korea; Department of Internal Medicine, Gyeongsang National University Hospital, Jinju 660-702, Republic of Korea; Division of Food Sience, Jinju International University, Jinju 660-704, Republic of Korea; and HK Biotech Company, Ltd., Jinju 660-972, Republic of Korea