Bitter Agent is used in household,automotive,garden products and so on as Aversive Agent in order to prevent persons and animals eating by mistake and animal bite;Secondly,Bitter Agent is also the best denaturant for alcohols;Another,Bitter Agent is now widely used in applications from antifreeze to training zoo animals.At present,developed countries compulsively ask to add these products extensively,and consumers recognize Bitter Agent for its added safety as a taste aversive.