Intended use:

Usage of Compact Dry LS is a simple and safe test procedure for quantification of Listeria contaminations in foods or raw materials – as well as pharmaceutical raw materials. The plates consist of a special 50 mm diameter petri dish containing a detection specific nutrient pad.

The ready-to-use, chromogenic Compact Dry plates are suitable for in-process controls as well as controls of finished products. With the Promedia ST-25 swab tests (Art. No. Z0302, available from R-Biopharm) Compact Dry plates may also be used for surface sampling and therefore applied for quantitative hygiene monitoring even at surfaces which are difficult to reach.

General information:

Listeria can be found in almost all areas of life. It is possible to assess the risk of contamination via quantitative detection to ensure that, if necessary, preventive measures can be taken. Listeria monocytogenes, in particular, is considered a major cause of food poisoning, possibly resulting in the development of sepsis, meningitis and encephalitis.

Compact Dry LS contains a standard nutrient medium for detection of Listeria spp. Due to the integrated chromogenic substances in the medium, Listeria grow as blue colonies with a diameter of between one and two millimeters. It is common knowledge that Listeria ivanovii grows very slowly and L. seeligeri is inhibited.

Specifications
Art. No. HS8811, HS8812
Test format 100 nutrient plates or 40 nutrient plates, respectively - – where four plates are packed in one aluminum bag
Incubation time 24 ± 2 hours at 35 – 37 °C
Files
InstructionsGerman/English/Spanish
French
Italian
Portuguese
SDSHS8811-HS8812_english.zip (English)
HS8811-HS8812_german.zip (German)
HS8811-HS8812_french.zip (French)
HS8811-HS8812_italian.zip (Italian)
HS8811-HS8812_spanish.zip (Spanish)
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Food microbiology testing_Compact Dry ETB_blank nutrient pad left_red colonies enterobacteriaceae+color change rightFood microbiology testing_Compact Dry SL_blank nutrient pad left_green-black colonies Salmonella_color change_motility right