Dietary flavonoids as cancer-preventive and therapeutic biofactors.

Department of Internal Medicine, Graduate School of Medicine, Kobe University, Kobe 650-0017, Japan, Center for Molecular Medicine, University of Connecticut Health Center, 263 Farmington Ave., Farmington, CT 06030-3101, USA, Department of Bioscience, Fukui Prefectural University, Fukui 910-1195, Japan, Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan, Department of Food Science, Institute of Health Biosciences, the University of Tokushima Graduate School, Tokushima 770-8503, Japan, 6 Department of Agrobioscience, Graduate School of Agricultural Science, Kobe, University, Kobe 657-8501, Japan