In accordance with ISO 15213-1:2023, “ASR bacteria” is used if no confirmation step of characteristic colonies is carried out. If characteristic colonies are confirmed, the “Clostridium spp. sulfito-reducing agents” term is then applied.
- We draw your attention to the fact that we don’t contaminate our samples with collection strains but with strains isolated from dairy food matrices. Therefore, it is possible that some of them present unexpected phenotypic characteristics on some culture media.
The fat content of the cheese to be analyzed is less than 20%
enumeration of Listeria spp.♦, enumeration of Listeria monocytogenes♦ and detection of Listeria♦
free choice for methods
→ 5 samples containing between about 0 and 10 000 Listeria/g
→ 5 other samples for the detection of Listeria in 25 g of cheese and identification of the species, included Listeria monocytogenes
→ 1 vial of water to control the temperature of the samples at reception
about 100 g in 120 ml safety vials, with locked lids
storage at 3 (±2) °C, with a bacteriostatic mixture preventing any bacterial growth in the milk, but rendered inactive upon dilution
in IATA certified secondary packaging (biohazard), in insulated box with ice packs by express carrier (see regulation for shipping times)
at 3 (± 2) °C
analyses must be carried out within 3 days after the date of dispatch
| Sample dispatch | 2025/04/08 |
| Return of results to ACTALIA Cecalait | 2025/04/22 |
Subscription at least 10 days before each dispatch
| Members | Non-members | |
|---|---|---|
| Registration fees per shipment | 73.37 € | 109.99 € |
| Participation fee per tested method | 73.37 € | 109.99 € |
within 1 month of receiving invoice
You are not connected...
To place an order, log in to your customer area or request a creation of account.
ACTALIA Cecalait
Rue de Versailles
BP 70129
39801 POLIGNY CEDEX
FRANCE
Tel : +33 (0)3 84 73 63 20
Fax : +33 (0)3 84 73 63 29
Accreditation no 1-5577, tests, no 1-2473 interlaboratory comparisons, scope available on www.cofrac.fr/en
