Amylases z Hydrolyze starch z Alpha-amylase – endoenzyme hydrolyzes α- 1,4 glucan linkages in random manner – Yields dextrins and oligosaccharides – Liquefying enzyme z Decrease viscosity z Increase of reducing power z Loss of colored complex with I2Amylases z Hydrolyze starch z Alpha-amylase – endoenzyme hydrolyzes α- 1,4 glucan linkages in random manner – Yields dextrins and oligosaccharides – Liquefying enzyme z Decrease viscosity z Increase of reducing power z Loss of colored complex with I2