Violet Red Bile Agar (VRBA)

Violet Red Bile Agar (VRBA)

Violet Red Bile Agar (VRBA) Coliforms refer to all aerobic and facultative anaerobic, gram-negative, non-spore-forming rod-shaped bacteria that ferment lactose with gas and acid formation within 48 hours at 35°C. Procedures to detect, enumerate, and presumptively identify coliforms are used in testing foods and dairy products. One method for performing the presumptive test for coliforms … Read moreViolet Red Bile Agar (VRBA)

Water Quality Analysis by Most Probable Number (MPN)

Water Quality Analysis by Most Probable Number (MPN)

Water Quality Analysis by Most Probable Number (MPN) Most probable number (MPN) analysis is a statistical method based on the random dispersion of microorganisms per volume in a given sample. In this method, measured volumes of water are added to a series of tube containing a liquid indicator growth medium. The media receiving one or … Read moreWater Quality Analysis by Most Probable Number (MPN)