Repair and enumeration of injured coliforms by a plating procedure.
Surface plating of coliforms on Trypticase soy agar, followed by 1 to 2 h of incubation at 25 C and subsequent overlay with violet red bile agar, was found to be a useful method for the repair and enumeration of coliforms injured by freezing.
D000362:Agar; D001431:Bacteriological Techniques; D002452:Cell Count; D004260:DNA Repair; D004926:Escherichia coli / Q000254:growth & development / Q000302:isolation & purification*; D005516:Food Microbiology; D005519:Food Preservation; D005628:Frozen Foods; D007054:Ice Cream; D008460:Meat
D000362:Agar