1. School of Agriculture, Meiji University, Kawasaki-shi, Kanagawa 214-8571, Japan
2. Graduate School of Applied Biosciences Program, Hiroshima Prefectual University, Shobara, Hiroshima 727-0023, Japan
3. Fruit Processing Research Center, AOHATA Corporation, Takehara-shi, Hiroshima 729-2392, Japan
4. Faculty of Applied Life Science, Nippon Veterinary and Life Science University, Musashino-shi, Tokyo 180-8602, Japan