Abstract: The effect of potassium dihydrogen phosphate as food ingredient was studied in mouse physiology. The results showed that the potassium dihydrogen phosphate caused in the mouse significant increase in ability of learning and memory.in the level of 5-hydroxytryptamine and dopamine of cerebrum and in the SOD activity of liver. It indicated that the potassium dihydrogen phosphate had the effects of delaying consenescenceand improving wit in mouse.

Key words: Potassium dihydrogen phosphate Learning Memory Superoxide dismutase