Read fluorescence as described above under LST-MUG assay. Note that some (<10%) E. coli are anaerogenic (gas-negative), but should be MUG-positive. Include all fluorescence positive tubes in the E. coli MPN calculations. Determine E. coli MPN/100g from the tables in the BAM (Appendix 2) using combination of fluorescence positive tubes at each dilution.NOTE: If analysis is to determine compliance with established E. coli limits, it will be necessary to confirm the presence of E. coli in MUG positive tubes.
การแปล กรุณารอสักครู่..