Compact Dry LS
- Gebrauchsfertige und leicht zu handhabende Platte: Die Vorbereitung des Mediums ist nicht erforderlich, wodurch die Verschwendung von Medium und Vorbereitung des Mediums entfällt.
- Der Nachweis von Kolonien auf der Platte ist einfach und eindeutig.
- Einzelne Kolonien auf der Platte können für weitere Identifizierungstests isoliert werden.
Compact Dry LS ist eine gebrauchsfertige, chromogene Platte zum Nachweis von Listeria spec.
Incubation time and temperature: 24 ± 2 hours (plus a further 24 ± 2 hours) at 35 or 37 ± 1°C
Shelf life: 12 months after manufacturing
Storage: Room temperature (+ 1 to + 30 °C)
Sample pretreatment
Viable count in water or liquid foodstuff
Drop 1 ml of specimen (dilute if necessary) on the middle of the Compact Dry plate.
Viable count in solid foodstuff
Add buffer solution to the sample and homogenize by stomacher®. Drop 1 ml of specimen (dilute if necessary) in the middle of the dry sheet of the Compact Dry plate.
Viable count in swab test specimen
Use the swab to wipe the surface, put into the device with wiping solution. Drop 1 ml of wiping solution (dilute if necessary) in the middle of the Compact Dry plate. It is recommended to use 'Swab for Compact Dry' offered by HyServe Id-No. 1 002 952/3 (40/240 pieces).
Test instructions
1. Open the cap and drop 1 ml of specimen on the middle of the Compact Dry plate.
2. Specimen diffuses automatically and evenly into the sheet and transforms the dried sheet into a gel within seconds.
3. Put the cap again on the plate and write the information needed on the memorandum section.
4. Turn over the capped plate and put in the incubator. 5. After incubation count the number of colored colonies underneath the plate. White paper placed under the plate helps to count the colonies.