Compact Dry CF

Extraction procedure

Sample preparation

• 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 (e.g. 0.9% saline solution, PBS, buffered peptone water, etc.) to the sample and homogenize by stomacher®. Drop 1 ml of specimen (dilute if necessary) on the middle of the dry sheet of the Compact Dry plate.
• Viable count in swab test specimen
• Use a sterile wet swab to wipe the surface which should be analyzed and put it back into the device with wiping solution. After shaking the device (approx. 10 seconds) drop 1 ml of wiping solution (dilute if necessary) on the middle of the Compact Dry plate. Use the Compact Dry Swab (Art. No. ZCS1002953, content 40 pcs) as single application (1 ml) or Promedia ST-25 (Art. No. Z0302, content 10 pcs) as multiple application (10 ml) for this procedure.

Test instructions

• Open the top cover of the Compact Dry plate. Drop 1 ml of sample in the middle of the plate.
• Sample diffuses automatically and evenly into the sheet and transforms the dried sheet into a gel within seconds.
• Put the cover again on the plate and place it in the incubator in a horizontal position
• After incubation, count the number of all grown colonies on the plate.