1. Department of Food Science and Human Nutrition, Obesity Research Center, Chonbuk National University, 664-1, 1-ga, Dukjin-dong, Jeonju, Jeonbuk 561-756, Korea.
2. Clinical Trial Center for Functional Foods, Chonbuk National University Hospital, 634-18, Geumam-dong, Deokjin-gu, Jeonju, Jeonbuk 561-172, Korea.
3. Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI,48824-1224, USA.
4. Department of Pharmacology, Chonbuk National University, Medical School, 2-20, San, Geumam-dong, Deokjin-gu, Jeonju, Jeonbuk 561-180, Korea.