We recommend a starting concentration of between 0.005 % and 0.01 % for use in microbiological media. The flow properties of Antifoam 204 are such that it can be pumped to a fermentor on an as-needed basis. Antifoam 204 can be sterilized repeatedly. This product is synthetic and not derived from animal or plant sources. Antifoam 204 can itself be considered a surfactant, but it contains no other surfactants. These products have individual data sheets available upon request.Īntifoam 204 contains 100 % active components and is a mixture of organic non-silicone polypropylene based polyether dispersions. subtilis is grown in Terrific Broth supplemented with effective concentrations of antifoams. No significant inhibition is found when E. Products A6582, A6457 and A8582 are listed as Molecular Biology Grade and have been tested for use in bacterial fermentation. Our suppliers generally consider the exact composition to be proprietary. Silicone-based antifoams are generally considered to be siloxane polymers and are also synthetic.
Organic antifoams are of synthetic origin.
A6582 Antifoam A Concentrate Molecular biology gradeĪ6457 Antifoam Y-30 Emulsion Molecular biology gradeĪ8582 Antifoam SE-15 Molecular biology gradeĪntifoams are supplied as two basic types of composition or mixtures of the two.
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