Compact Dry LS

Extraction procedure

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

• Open the cap and drop 1 ml of specimen on the middle of the Compact Dry plate.
• Specimen diffuses automatically and evenly into the sheet and transforms the dried sheet into a gel within seconds.
• Put the cap again on the plate and write the information needed on the memorandum section.
• 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.