Intended use:

The Lateral Flow Sesame incl. Hook Line from bioavid is an immunochromatographic test for the qualitative detection of sesame residues in environmental samples (e.g. in food production lines), CIP-water and food samples. The assay is applied for the detection of small amounts of sesame contaminations.


Unfortunately, very high amounts of an analyte in the sample can lead to falsely lowered or negative results – called the hook effect. The new dip-sticks will include an additional line, the hook line, in order to detect this effect. For now, the new test (BLH709-20 Lateral Flow Sesame incl. Hook Line) will not replace the old one without a hook line (BL609-10 / BL609-25 Lateral Flow Sesame), but it is an additional product offer with new functionality.

General Information:

Sesame seeds (Sesamum indicum) are used as raw or roasted ingredients in many different foods. The allergen can be present as an ingredient or as a contamination in raw and cooked products. According to the regulation (EU) No. 1169/2011, sesame and products thereof must be declared on food labels. Similar regulations exist e.g. in Canada and Australia.

Sesame seed food allergy is an increasingly recognized health burden, the symptoms vary from allergic eczema to life threatening anaphylactic reactions. Until now, seven different proteins of sesame were identified as allergens (Ses i 1-7). The only effective treatment to protect sensitized patients from allergic symptoms is a strict avoidance of sesame containing food.

Dip sticks are an easy to use method and provide a fast and reliable analysis. The application of our bioavid dip sticks is very simple and can be handled by untrained personell. All bioavid test kits can be stored at room temperature and therefore they are an ideal tool for direct testing in production facilities. The bioavid test kits contain the complete equipment for the analysis.


  • Extended functionality: included hook line for safe identification of high positive samples (> 10,000 ppm).
  • More precise statement in a bigger range than conventional test strips (valid results in the range of 1 – 10,000 ppm).
  • A fast, reliable and easy-to-use dip stick system detecting sesame in production lines, raw materials and processed food (results in 10 min).
  • More information and benefits can be found on this flyer.


Article NumbersBLH709-20
Test format 20 x test strips for 20 determinations
Sample preparation - Swabbing method: cleaning surface with pre-treated swab, wash out the swab and measure.
- Food assay: homogenise food sample, filter, measure.
- Liquid samples: no preparation.
Incubation time 5 min
Room temperature
LOD (Detection limit) Food samples:
- Baby food: 10 ppm
- Wholegrain biscuits: 10 ppm
- Oats biscuit: 10 ppm
- Chocolate biscuits: 20 ppm
- Mixed flour: 10 ppm
- Baked beans: 10 ppm
- Soy milk: 10 ppm
- Oats milk: 10 ppm
- Cow's milk: 10 ppm
Swabbing: 0.01 µg/cm2
CIP-Water: 1 µg/ml
Cross reactivity

31 matrices tested without cross reactivity.

Tested matrices with cross reactivity:

– Almond: 0.001 %

– Hazelnut: 0.001 %

Detection range Sesame residues
Evaluation Visual evaluation
External link I URL Bioavid Homepage - Documents for Sesame
Links SOP Verification for new/unknown solid samples
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