Medium temperature alpha amylase preparation is produced by submerged fermentation of Bacillus subtillis and extraction with modern technique.

Medium temperature alpha amylase is widely used in starch modification Industries. It is compatible with non-ionic surfactants and buffering salts to enhance starch modification. 1 Unit of enzyme amylase is defined as the amount of enzyme required to liquefy 1g soluble starch per minute at pH 5.0 and 60˚C