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Enzymes are biologically-catalyzed proteins produced by the metabolism of microorganisms and thus have poor heat sensitivity and are not resistant to high temperatures. However, the traditional process mainly concentrates the enzyme preparation by depressurization and concentration, which leads to the prominent problems of high energy consumption, high enzyme deactivation rate, high cost, low yield and multiple ash, which makes the product market less competitive.

Enzyme purification membrane separation equipment, the use of advanced membrane purification and membrane concentration process, can effectively purify and concentrate enzyme preparation. Because the enzyme membrane separation is a low-temperature process, so energy consumption is low, product activity is kept intact. In addition, membrane separation is the use of mechanical screening principle of the interception of the enzyme, so that small molecules of impurities and water passes through, so concentrated in the fermentation process can effectively prolapse of inorganic salts and small molecular impurities, the enzyme was purified, improve the enzyme quality .

Membrane separation advantages:
  • as a purely physical process, does not occur chemical reaction, will not bring in new impurities
  • separation and concentration at room temperature, no phase change, qualitative change, does not destroy the active ingredients, enzyme yield ≥ 96%;
  • improve product purity
  • high-precision filtration, shorten the production cycle and improve filtration efficiency, process is stable and reliable
  • cross-flow operation, completely solve the pollution and block problems
  • automatic PLC design, effectively reduce labor intensity, can achieve good clean production
  • can be recycled, long service life
  • meet high viscosity, high solids content of materials processing
  • small footprint, easy to make transformation, expansion or new construction projects, reduce investment and production costs


Yeast extract is the common name for various forms of processed yeast products made by extracting the cell contents (removing the cell walls); they are used as food additives or flavorings, or as nutrients for bacterial culture media. They are often used to create savoury flavours and umami taste sensations, and can be found in a large variety of packaged food including frozen meals, crackers, snack foods, gravy, stock and more. Yeast extracts in liquid form can be dried to a light paste or a dry powder.Yeast extract riches in nutrition,it has been widely used in food industry.

The combination between ceramic membrane technology and UF technology is providing optimum clarification process to replace DE traditional method which can achieve maximum yield ,reduce cost and waste, and realize automated, reliable, convenient operation and maintenance.

Flow process :
  • Yeast fermentation
  • Autolysis
  • Centrifugation
  • Ceramic membrane filtration
  • UF concentration or evaporation
  • Drying


  • For this application, please contact us.

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