1. Institute of Marine Biotechnology, Andong National University, 388 Songchun-dong, Andong, Kyungpook 760-749, Korea.
2. Department of Food Science and Nutrition, Andong National University, Kyungpook 760-749, Korea.
3. Department of Food Science and Biotechnology, Andong National University, Kyungpook 760-749, Korea.
4. Department of Oral Pathology, School of Dentistry, Kyungpook NationalUniversity, Daegu 700-412, Korea.