1. San-Ei Gen F.F.I., Inc.; 1-1-11 Sanwa-cho Toyonaka Osaka 561-8588 Japan
2. Graduate School of Medical and Dental Sciences; Niigata University; Niigata Japan
3. Graduate School of Dentistry; Osaka University; Suita Osaka Japan
4. National Food Research Institute; National Agriculture and Food Research Organization; Tsukuba Ibaraki Japan
5. School of Food and Pharmaceutical Engineering; Hubei University of Technology; Wuchang Wuhan China