3M PETRI - E.COLI / COLIFORM PLATE - 25 P
3M PETRIFILMS USED TO TEST FOR ESCHERICHIA COLI (E.COLI) / COLIFORM
3M PETRIFILM E.COLI/COLIFORM COUNT PLATE: INDICATOR OF GLUCURONIDASE ACTIVITY (BCIG) AND TETRAZOLIUM INDICATOR FOR E. COLI AND TOTAL COLIFORM COUNT INFORMATION WITH CONFIRMED RESULTS IN 48 HOURS.
THIS TEST IS IMPORTANT FOR ASSESSING THE MICROBIOLOGICAL SAFETY OF FOOD PRODUCTS, INCLUDING CHEESE. VARIOUS METHODS CAN BE EMPLOYED TO DETECT AND QUANTIFY E.COLI IN SAMPLES.
COLONY COUNT METHOD:
- SAMPLES ARE CULTURED ON SELECTIVE MEDIA.
- DILUTE CHEESE SAMPLE IN A STERILE SOLUTION.
- INOCULATE THE SELECTIVE AGAR PLATES.
- INCUBATE AT 35 - 37 ºC FOR 24 HOURS.
- COUNT PINK COLONIES ON MACCONKEY AGAR OR DARK COLONIES ON EMB AGAR - INDICATE PRESENCE OF E.COLI.
SHELF-LIFE: 18 MONTHS FROM DATE MANUFACTURED, IF STORED AS INSTRUCTED.
STORAGE: STORE POUCHES AT FROZEN OR REFRIGERATED TEMPERATURE OF 8 °C AND BELOW.
