Merck, A5757-500ML, Antifoam B Emulsion

General description
Antifoam eliminates excessive foaming formed during impingement, due to proteins and/or carbohydrates in the collection medium. Antifoam B emulsion is a silicone based antifoam. Antifoam B emulsion does not affect the growth of bacteria. Antifoam B emulsion functions as an antifoaming agent in shake flask culture of bacteria.
Application
Antifoam B emulsion has been used:
to enhance collection efficiency in collection media
as a component in stress granule lysis buffer to reduce foaming, in host cell lysis buffer to reduce foaming caused by detergents
to improve solubility of antibiotics
as a foaming controls in bacterial growth media

Other Notes
A 10% aqueous emulsion of polydimethylsiloxane