Total Coliforms / Total E. Coli
ECOLI
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Turnaround Time:
2-3 Days
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Method Description
After sample dilution, aliquots are spread onto selective agar plates suitable for E. coli and coliform growth. Following incubation, distinctive colonies are counted, and results are expressed as colony-forming units (CFU) per unit volume.
Analyte List
Technical Data Sheet
Test Name - Common
Total Coliforms / Total E. Coli
Method Name
Enumeration of Escherichia coli and Total Coliform in Foods and Dietary Supplements
Method Code
LAB-TM-059
Equipment
3M Petrifilm Plate Reader Advanced
Method Reference
Food
REC Plates
MicroVal Certificate Number 2017LR76
AOAC PTM 051801
AOAC OMA 2018.13
CD EC Plates
AOAC PTM 110402
Dietary Suppliment
Modified USP <62> (E. coli)
Modified USP <2022> (E. coli)
Environmental Swabs
MicroVal Certificate Number 2017LR76
Reportable Unit
CFU/g, Swabs: CFU/Swab
Sample Size Requirements
5 g (extracts & isolates), all other: 100g
Available for
Food Products,
Dietary Supplements,
Botanicals (Raw Materials, Extracts, Finished Products),
Cannabis & Hemp (Plant Materials, Concentrates, MIP's, Beverages)
Additional Information
Coliform testing is used as an indicator of general sanitation. They are generally found in soil and water and are prevalent in raw agricultural commodities like flour. A high coliform count can be indicative of sanitation issues.
E. coli is one of many species of coliform and is an indicator of possible fecal contamination. E. coli counts will never be higher than coliform counts.
Fecal contamination can never be inferred from coliform results alone. If a product has high coliform counts with no E. coli testing and information concerning possible fecal contamination is desired, the sample will need to be retested for E. coli.
*Prices and offerings are subject to change without notice.
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