Prof. Takahashi's research includes elucidation of absorption mechanism of nutrients in gastrointestinal tract, elucidation of the absorption mechanism of water in the digestion tube, research on the functionality of non-water soluble dietary fiber, elucidation of the mechanism of action in relaxation of blood glucose in water-soluble dietary fiber, research on the distribution of intestinal bacteria, and study on nitrogen metabolism and colon function of herbivores. Dr. Takahashi has additional related expertise in physiology, nutrition, fluid dynamics, statistics, and data mining.