1. Department of Biotechnology; Chia Nan University of Pharmacy and Science; Tainan; Taiwan
2. Crop Improvement Section; Hualien District Agricultural Research and Extension Station; Hualien; Taiwan
3. Department of Food Science and Technology; Chia Nan University of Pharmacy and Science; Tainan; Taiwan
4. Department of Food Science; Rutgers University; New Brunswick; NJ; USA