What are the concepts of sterilization, disinfection, and sanitization?

1. Sterilization: a treatment that kills or removes all microorganisms from the medium of transmission, including highly resistant bacterial spores.

2. Sterility: Sterility is the result of sterilization and refers to the complete absence of microorganisms. Prevent microorganisms from entering the organism or object of the operating technique becomes aseptic operation. However, due to the limitations of the current means of testing, the concept of absolute sterility can not be applied to the entire batch of products to evaluate the sterility of the current use of the concept of "sterility", is a probabilistic sense of "sterility".

After final sterilization, the sterility assurance level of a sterile product is a probability of residual microbial contamination of ≤10-6.

Expanded

Disinfection: the killing or removal of pathogenic microorganisms from the media of transmission to achieve harmless treatment. Generally speaking, disinfection refers to killing microorganisms in the environment to prevent secondary contamination of food by bacteria in the environment that can lead to excessive colonization.

Sterilization: refers to the killing of pathogenic bacteria in the object, the object also contains spores, thermophilic bacteria and other non-pathogenic bacteria. Generally speaking, sterilization refers to the killing of bacteria in food so that the remaining bacteria will not multiply in large quantities during the shelf life and trigger food spoilage.

Baidu Encyclopedia - Sterility

Baidu Encyclopedia - Sterilization

Baidu Encyclopedia - Sterilization

Baidu Encyclopedia - Disinfection