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nature : in the food processing to reduce surface tension, a bubble material. The foam produced most of the external force, the solution contained in the surfactant solution and the junction formation of air bubbles and float, or like gelatin, colloidal substances such as proteins film, as result of the bubble. In food processing, such as fermentation, stirring, and boil, such as enrichment process can produce large bubbles affect the normal operation, must promptly eliminate or so that they do not have. Blister agents can be largely classified into two categories : one has been able to eliminate the bubbles, such as ethanol; Those that can inhibit the formation of bubbles, such as silicone oil emulsion. Food available silicone emulsion defoamer is, higher alcohol ester of fatty acid, pentaerythritol polyether, polyoxyethylene acrylamide polyoxyethylene ether, polypropene glycerol polyether ether and glycerol such.
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