1. United Graduate School of Agricultural Science, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan
2. Department of Bioscience and
Biotechnology, Faculty of Agriculture, University of the Ryukyus, 1 Senbaru, Nishihara, Okinawa 903-0213,
Japan
3. Ogimi Village Office, 157 Oganeku, Ogimi, Okinawa 905-1392,
Japan
4. Faculty of Nutritional
Sciences, Nakamura Gakuen University, 5-7-1
Befu, Johnan-ku, Fukuoka 814-0198, Japan