1. Department of Food Science and Biotechnology, School of Biotechnology and Bioengineering, Kangwon National University, 192-1 Hyoja-dong, Chuncheon 200-701, Korea.
2. Department of Food and Nutrition, Hallym University, Chuncheon 200-702, Korea.
3. Department Food Science and Nutrition, Dankook University, Gyunggi 448-701, Korea.