1. College of Life Sciences & Biotechnology, Korea University, Anam-dong, Seongbuk-gu, Seoul 136-701, Korea
2. Department of Food
Science and Technology, Keimyung University, Daegu 704-701, Korea
3. Functional Food Research Center, Korea University, Anam-dong,
Seongbuk-gu, Seoul 136-701, Korea
4. Coway Cosmetics R&D Center, Gasan-dong, Geumcheon-gu, Seoul 153-803, Korea