Peroxidase, From Horseradish, From Horseradish, Each

Details:

Peroxidase, [9003-99-0]lactoperoxidasea salt-free, freeze dried powderactivity: greater than 100 purpurogallin units/mg solid.Unit definition: that amount of enzyme causing the production of one milligram of purpurogallin in 20 seconds at 20°c.