1. Department of Medicinal Crop Research, National Institute of Horticultural and Herbal Science, Rural Development Administration, Eumseong, Korea.
2. Department of Food Science and Nutrition, Kimchi Research Institute, Pusan National University, Busan, Korea.
3. Jeonnam Development Institute for Traditional Korean Medicine, Jangheung, Jeollanam-do, Korea.
4. Graduate School of Science and Engineering for Research, University of Toyama, Toyama, Japan.