1. Department of Sericulture and Entomology, National Institute of Agricultural Science and Technology, R.D.A., Suwon 441-707, Korea.
2. Department of Applied Biology, Dongguk University, Seoul 100-715, Korea.
3. Biofood Network Center, Ewha Woman's University, Seoul 120-160, Korea.
4. Institute of Medicinal Plant, Chinese Academy of Medical Sciences, P.R.China.