Violet red bile glucose agar (VRBG) is used as a culture media for microbiology.

• pH: 7,4 ±0,2
• Incubate at 30 to 35 °C for 24 to 48 hours
• Storage in a cool and dry place

It contains bile salts mixture (1,5 g/L), crystal violet (0,002 g/L), neutral red (0,03 g/L), D(+)-glucose (10,0 g/L), yeast extract (3,0 g/L), gelatin peptone (7,0 g/L), sodium chloride (5,0 g/L) and agar (20,5 g/L).