... -toxic Characters:It is Oil-soluble defoaming agent specially for fermentation.The characteristics are: safe, non-toxic, physiological inertness, ... organosilicon antifoaming agent does not affect the fermentation unit. 2. Enhance the filling amount of fermentation cylinder, and reduce the cost. 3. ... ,add it at a rate of 0.03% of fermentation liquor, observe the foam formation.Increase or decrease the ...