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 uses Violet Red Bile Agar, …

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