AllerSnap High Sensitivity Protein Residue Test (Hygiena)

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AllerSnap is a quick and easy way to verify the cleanliness of surfaces by detecting protein residues left behind after cleaning. By simply swabbing the area and activating the device, you release a reagent that turns color, providing a qualitative and semi-quantitative result of the protein levels on the surface: green means clean and purple means re-clean. The more protein present, the quicker the color change to purple and the darker the color. AllerSnap quickly validates surface hygiene, allowing immediate corrective action to be taken when necessary.


  • Results in 15-30 minutes depending on sensitivity requirements
  • Proactive, qualitative approach to verification 
  • Broad range, non-specific protein screening is more cost-effective when specific tests are not required
  • Eliminates mistakes and waste
  • No separate wetting agent required
  • No reconstitution step ensure consistent repeatable results


  • All-in-one device
  • Pre-moistened swab provides reliable collection recovery and detection to ensure consistent reliable results
  • Easy to use and activate
  • Patented Snap-Valve™ technology - snap & squeeze
  • Write-on swab tube label
  • Temperature stable, sensitive liquid-stable chemistry
  • Small, light-weight device
  • Low carbon foot print (100% recyclable)
  • Shelf life: 18 months at room or refrigerated temperatures (2 - 25°C)
  • Sensitivity: Detects 3 µg protein after 15 minutes at 55°C or 30 minutes at 37°C

Method Comparison
Method 1 Method 2
Foodstuffs ALLER-Snap* Allergen Test (ELISA)*
Shrimp 10 ppm 5 ppm
Wheat (Flour) 10 ppm 5-75 ppm
Peanut Butter 1 ppm 0.5-5 ppm
Egg whites 1 ppm 4-25 ppm
Milk powder 10 ppm 2.5-10 ppm
Soy 1 ppm 2.7-5 ppm
Almonds (Raw) 10 ppm 5-12.5 ppm
Sesame 10 ppm 5-48 ppm


* ALLER-Snap sensitivity levels shown are based on incubation at 55°C for 15 minutes or 37°C x 30mins for max sensitivity.

* Studies show that the recovery of allergens from surfaces are very variable and inefficient with 4 – 27% recovery when tested by ELISA methods. Sensitivity data shown is based on information available online. Order number: ALS-100 (100 tests per case)