1 Department of Bio and Environmental Technology, College of Natural Science, Seoul Women's University, Seoul, 139-774, Republic of Korea.
2 Department of Food and Nutrition, Kookmin University, Seoul, 02707, Republic of Korea. ychang@kookmin.ac.kr.
3 Department of Bio and Environmental Technology, College of Natural Science, Seoul Women's University, Seoul, 139-774, Republic of Korea. biotech@swu.ac.kr.