DLA - Proficiency Testing
Food, Cosmetic Products and Contact Materials since 2004

# # # The special ALLERGEN PT concept # # #
With incurred and spiked allergen recovery rates and z-scores.
For maximum information on the performance of your allergen analysis!

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Monthly up-to-date Shipment Information

Our PTs in May 2026: [register here]

  • ptAL13 Allergens XIII: Gluten (Wheat), Insects and Soya in „gluten-free“ Protein Shake Powder [Samples A + B] with "Spiking Level Sample“ [SP] (shipment 06/05/2026, registration deadline 29/04/2026)

  • ptAUS3 Animal Species-Screening III – 3 Samples qualitative (with known contents): Buffalo, Cow's, Sheep's and Goat's Milk in Dairy Product (Herder Cheese / Sheep White Cheese / Feta Cheese) (shipment 13/05/2026, registration deadline 06/05/2026)

  • ptMYS1 Mycotoxin-Screening: Aflatoxins, Ochratoxin A, Deoxynivalenol, Zearalenone and Fumonisins in Breakfast Cereals (Muesli with corn and/or other cereal products, almonds and dried fruits (shipment 20/05/2026, registration deadline 13/05/2026)*

  • ptAU06 Methylcafestol, Kahweol and Cafestol in 3 Coffee Blends with different ratios of Arabica and Robusta Coffee (shipment 27/05/2026, registration deadline 20/05/2026)


Our PTs in April 2026: [register here]

  • ptAL04 Allergens IV: Celery, Mustard, Pine Nut and Sesame in Boiled Sausage [Samples A + B] with "Spiking Level Sample“ [SP] (shipment 08/04/2026, registration deadline 01/04/2026)

  • ptGMS1 GMO-Screening I (qualitative): 4 Samples with positive and negative amounts of p-35S, t-NOS, p-FMV, PAT, BAR, Cry1Ab/Ac / Maize + GMO-Maize (Bt11 and Bt176) and Soya + GMO-Soya (RR GTS 40-3-2, RR2 MON89788) in different matrices (Flour and Semolina mixtures) (shipment 15/04/2026, registration deadline 08/04/2026)

  • ptALS1 Allergen-Screening I: 4 Samples semi-quantitative: Almond, Brazil Nuts, Cashew, Coconut, Hazelnut, Macadamia, Pecan, Pine Nuts, Pistachio, Walnut (shipment 22/04/2026, registration deadline 15/04/2026)

  • ptAI01 Lactose + Fructose in "lactose-free" (< 100 mg/100g) and „lactose-reduced“ (> 100mg/100g and ≤ 1000mg/100g) Cookies for Children [Samples A + B] and "Spiking Level Sample“ [SP] (shipment 22/04/2026, registration deadline 15/04/2026)


Our PTs in March 2026: [register here]

  • ptAL10 Allergens X: Gluten (Barley Malt, Hordeum vulgare) in „gluten-free“ Beer [Samples A + B] (shipment 04/03/2026, registration deadline 25/02/2026)

  • ptAL03 Allergens III: Gluten (Spelt Wheat, Triticum spelta) and Milk (β-Lactoglobulin, Casein) in Infant Food (Soy Formula) [Samples A + B] with "Spiking Level Sample“ [SP] (shipment 11/03/2026, registration deadline 04/03/2026)

  • ptSU02 Food Supplement: Vitamine A, E, D2, K1, β-Carotene, Coenzyme Q10  (total CoQ10, Ubiquinone, Ubiquinol) and Alpha Lipoic Acid in Capsule Powder (enriched / high levels) (shipment 18/03/2026, registration deadline 11/03/2026)

  • ptAUS1 Animal Species-Screening I 3 Samples qualitative (with known contents): Meat from Beef, Goat, Poultry (Chicken and Duck (genus: anas or cairina)), Sheep and Gelatine from Pork in Cooked Meat Product (Sausage Meat)
    (shipment 25/03/2026, registration deadline 18/03/2026)


* The minimum number of participants has not yet been reached. PTs <10 registered participants will be canceled or shifted, the participants will be informed at time of deadline.





DLA - Proficiency Tests GmbH
Hauptstr. 80, 23845 Oering, Germany
Tel. +49-(0)4532-9183358 - Mob. +49-(0)171-1954375 - Fax. +49-(0)4102-9944976 - email: pt@dla-lvu.de
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