1. Faculty of Biotechnology, College of Applied Life Sciences, Jeju National University, 66 Jejudaehakno, Jeju 690-756, Republic of Korea
2. Subtropical Horticulture Research Institute, Jeju National University, Jeju 690-756, Republic of Korea
3. Department of Oriental Pathology, College of Oriental Medicine, Kyung Hee University, 1 Hoegi-Dong dongdaemun-gu, Seoul 130-701, Republic of Korea