1. Division of Food Science and BiotechnologyLaboratory of Molecular Function of FoodGraduate School of AgricultureKyoto University Uji 611‐0011 Japan
2. Division of Agronomy and Horticultural ScienceLaboratory of Quality Analysis and AssessmentGraduate School of AgricultureKyoto University Uji 611‐0011 Japan
3. Department of Bioinformatic EngineeringGraduate School of Information Science and TechnologyOsaka University Suita 565‐0871 Japan