1. Division
of Food and Nutrition, Chonnam National University, Yongbong-ro, Buk-gu, Gwangju 500-757, Republic of Korea
2. Western
Seoul Center, Korea Basic Science Institute, Seoul 136-701, Republic of Korea
3. Department
of Statistics, Chonnam National University, Yongbong-ro, Buk-gu, Gwangju 500-757, Republic of Korea
4. Department
of Applied Plant Science, Chonnam National University, Yongbong-ro, Buk-gu, Gwangju 500-757, Republic of Korea