GN Broth, Hajna (Powder)
Gram Negative Broth; Hajna
Selective broth for recovery of gram negative bacteria from clinical material and examination of food products.
Appearance
Light beige, homogenous, free flowing powder
Solubility
Light amber to gold, clear to slight precipitate
Directions per Liter
Dissolve 39 grams in 800-900ml of ddH2O stirring gently with heating until completely solubilized. Adjust pH of the medium to the desired level. Add additional water to bring the solution to 1L. Dispense into appropriate containers, loosen caps and autoclave for 15 minutes at 121ºC (15psi).
Storage and Stability
Store powdered media at RT. Opened bottles should be capped tightly and kept in a dark, low humidity environment. Prepared media should be kept at 4°C and used within a short period of time.