What does microbiological testing include?

The common tests for microbiological indicators in food are as follows: total colony count, coliform count, E. coli count, enteric pathogens (Salmonella, Shigella, Staphylococcus aureus), Vibrio parahaemolyticus, Listeria monocytogenes, Bifidobacterium, Campylobacter jejuni, mold count, and yeast count.

Generally food is considered to be in the early stages of spoilage when the number of viable bacteria in the food reaches 108 cfu.g?

Expanded Information

Microbiological testing methods include microscopy, staining techniques, media preparation techniques, inoculation, isolation and purification and culture techniques.

Inoculation, the process of attaching a microorganism to an artificial medium suitable for its growth and reproduction or to a living organism.

Isolation and purification, in the strain identification, the microorganisms used are generally required to be pure cultures. The process of obtaining a pure culture.

Culture, according to whether the culture requires oxygen, can be divided into aerobic culture and anaerobic culture. According to the physical state of the culture medium, can be divided into solid culture and liquid culture two categories.

Baidu Encyclopedia - Food Microbiology Testing