Commonly used sterilization methods in purification workshops of food factories
Commonly used sterilization methods in purification workshops of food factories
I. Pulsed light sterilization
It mainly uses the mode of strong white light flash to sterilize the purification pharmaceutical cleanroom. This method includes a power unit and a lamp unit. The spectrum of this sterilization method is similar to that of sunlight, but the irradiation intensity is stronger.
Second, microwave sterilization
This is a method of destroying the molecular structure of microorganisms to play a bactericidal effect. It uses high-frequency electromagnetic waves and media to produce a dielectric induction heating effect. The thermal effect is used to cause the molecular structure in the microorganism to change its properties, or to cause the disappearance of the molecular activity in the microorganism to obtain the effect of sterilization and sterilization.
Three, high voltage pulse electric field sterilization
The high-voltage pulsed electric field sterilization in the purification pharmaceutical cleanroom of food factories is often used for the inactivation of enzymes in food purification. The difference in electrical characteristics is an important principle of this sterilization method. This common method mainly uses liquid food as a medium, and destroys its cell tissue by electric shock to inactivate microorganisms so as to sterilize food.
Four, high pressure sterilization
This method is like high-pressure heating to destroy microorganisms in food. Normally, protein will collapse under high pressure, so that its properties will change and microorganisms will be inactivated, but some shock-proof food factory purification workshops will also It appears that macromolecular cells such as nucleic acids and polysaccharides are affected by high pressure.
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