Microbial enumeration & detection – food products

All test methods are based on standard methods and are included in our scope of accreditation under the Campden Laboratory Accreditation Scheme and include:

Aerobic Plate Count (mesophilic aerobic bacteria)

Total Fungal Count

Enumeration of specific micro-organisms, including:

  • Enterobacteriaceae
  • coliforms
  • E coli
  • Pseudomonas and related species
  • coagulase positive gram positive cocci
  • faecal streptococci
  • B cereus
  • mesophilic bacterial spores
  • presumptive Lactobacillus sp
  • Clostridium perfringens
  • presumptive Listeria / L monocytogenes

Detection of specific micro-organisms, including:

  • Salmonella (in 25g)
  • presumptive Listeria / L monocytogenes (in 25g)
  • where appropriate, includes confirmatory testing at no additional charge.

Shelf life confirmation:

Donnington Laboratories can assist with the design and conduct of microbiological shelf life trials. In the case of longer term trials, it is our standard practice to issue regular interim updates by e-mail.

Dietary and nutritional supplement testing:

Nutritional and dietary supplements marketed in tablet or capsule form can lie in the grey area between foods and medicines, particularly when marketed outside the EU. In addition to the standard food tests listed above, Donnington Laboratories are happy to apply the testing methods described in the British and European Pharmacopoeias to these products. These techniques also appear in our scope of CLAS accreditation.


Test Turnaround (days) Min sample requirement Price/sample
Aerobic plate count 3 25g/ml £5.00
Total Fungal Count 5 25g/ml £5.00
Enumeration of Enterobacteriaceae 1 15g/ml £6.00
Enumeration of coliforms 1 15g/ml £6.00
Enumeration of E coli 1 15g/ml £6.00
Enumeration of Pseudomonas 4 15g/ml £6.00
Enumeration of coagulase positive gram positive cocci 2 15g/ml £7.00
Enumeration of faecal streptococci 2 15g/ml £6.00
Enumeration of B cereus 2 15g/ml £6.00
Enumeration of Cl perfringens 3 15g/ml £8.00
Enumeration of presumptive Lactobacillus sp 3 15g/ml £6.00
Enumeration of presumptive Listeria/L monocytogenes 2 15g/ml £6.00
Absence of Salmonella 3 25g/ml £7.50
Absence Listeria 3 25g/ml £7.50
Microbial shelf life confirmation PoA
Bacterial identification From £25/isolate

* Based on charges for single sample submission. Significant discounts are available for sample submissions comprising multiple samples. Contact us for a quotation.

A sample size of 80 – 100g/ml should be sufficient to cover most testing requirements.

For all above, a sample size of 80g/ml will be required

All prices exclude VAT