Abstract
Studies have been made on the formation of phytase in the medium containing phytin as phosphate. It has been proved that the amount of phytase produced is the largest when phytin is contaiRed 1.65-3.30mg as phosphorus in 100ml of medium. As the concentration of phytin increases, the production of phytase decreases, and when inorganic phosphate is contained in excess in the medium, almost no amount of phytase has been observed.
It has been further proved that the amount of phytase produced in the medium containing phytin (1.65mg as phosphorus per 100ml) is large, while that of glycerophosphatase is small, as compared with the case in which wheat bran is used as the medium.