1. Dept. of Agricultural Biotechnology; Seoul Natl. Univ; 1 Gwanak-ro Gwanak-gu Seoul 151-921 Korea
2. Dept. of Food Science and Technology; Sejong Univ; 98 Gunja-dong Gwangjin-gu Seoul 143-747 Korea
3. Center for Food and Bioconvergence; Seoul Natl. Univ; 1 Gwanak-ro Gwanak-gu Seoul 151-921 Korea