DLA - Laborvergleichsuntersuchungen
Lebensmittel, Kosmetik und Bedarfsgegenstände seit 2004

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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Aktuelle Informationen und Hinweise:

Current information and Notes:


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Overview of our products:

Laborvergleichsuntersuchungen (LVU) bzw.
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Monatlich aktuelle Versandinformationen

Monthly up-to-date Shipment Information



unsere LVUs im August 2025: [zur Anmeldung]

  • ptGMF GMO-Determination in Feed (qualitative + quantitative): 2 Samples with positive and negative amounts of Soya + GMO-Soya (RR GTS 40-3-2 and RR2MON89788), Maize + GMO-Maize (GA21 RR) and Rape Seed + GMO-Rape Seed / Canola (MON88302)
    (Versand 06.08.2025, Anmeldeschluss 30.07.2025)*

  • ptAL05 Allergens V: Cashew, Milk and Peanut in Cocoa Biscuit (baked) [Samples A + B] and "Spiking Level Sample“ [SP] (Versand 13.08.2025, Anmeldeschluss 06.08.2025)

  • ptAU11  Vegan Compliance Check – 2 Samples qualitative (with known contents): Animal ingredients in Vegan Burger Powder negative sample (< 0.1%) and positive sample with at least two animal components (> 0.1%) (e.g. Vertebrates DNA, Egg Protein / Chicken DNA, Fish Protein / DNA, Meat or Gelatine Protein / DNA, Milk Protein / DNA from Cow, Goat or Sheep (Versand 20.08.2025, Anmeldeschluss 13.08.2025)

  • ptSU10 Free Amino Acids and Taurine in Food (Infant Food)  (Versand 20.08.2025, Anmeldeschluss 13.08.2025)

Our PTs in August 2025: [register here]

  • ptGMF GMO-Determination in Feed (qualitative + quantitative): 2 Samples with positive and negative amounts of Soya + GMO-Soya (RR GTS 40-3-2 and RR2MON89788), Maize + GMO-Maize (GA21 RR) and Rape Seed + GMO-Rape Seed / Canola (MON88302)
    (shipment 08/08/2025, registration deadline 30/07/2025)*

  • ptAL05 Allergens V: Cashew, Milk and Peanut in Cocoa Biscuit (baked) [Samples A + B] and "Spiking Level Sample“ [SP] (shipment 13/08/2025, registration deadline 06/08/2025)

  • ptAU11 Vegan Compliance Check – 2 Samples qualitative (with known contents): Animal ingredients in Vegan Burger Powder negative sample (< 0.1%) and positive sample with at least two animal components (> 0.1%) (e.g. Vertebrates DNA, Egg Protein / Chicken DNA, Fish Protein / DNA, Meat or Gelatine Protein / DNA, Milk Protein / DNA from Cow, Goat or Sheep (shipment 20/08/2025, registration deadline 13/08/2025)

  • ptSU10  Free Amino Acids and Taurine in Food (Infant Food) (shipment 20/08/2025, registration deadline 13/08/2025)

unsere LVUs im Juli 2025: [zur Anmeldung]

  • ptSU03  Food Supplement III: B, Ca, Cr, Cu, Fe, K, Mg, Mn, Mo, P, Se, Zn and TiO2 in Capsule Powder (enriched / high levels)
    (Versand 02.07.2025, Anmeldeschluss 25.06.2025)

  • ptAU01 Dietary Fiber, soluble / insoluble Fiber and Inulin in Crisp Bread (Versand 09.07.2025, Anmeldeschluss 02.07.2025)

  • ptAL12  Allergens XII: Lupin, Macadamia and Walnut in Cereal Muesli [Samples A + B] and "Spiking Level Sample“ [SP]  (Versand 23.07.2025, Anmeldeschluss 16.07.2025)

  • ptAUS3 Animal Species-Screening III3 Samples qualitative (with known contents): Buffalo, Cow's and Sheep's Milk in Dairy Product (Mozzarella Cheese)  (Versand 30.07.2025, Anmeldeschluss 23.07.2025)* Update: The parameter Goat´s Milk will also be encluded in one of the three samples and can be analyzed in this PT-round!


Our PTs in July 2025: [register here]

  • ptSU03 Food Supplement III: B, Ca, Cr, Cu, Fe, K, Mg, Mn, Mo, P, Se, Zn and TiO2 in Capsule Powder (enriched / high levels)
    (shipment 02/07/2025, registration deadline 25/06/2025)

  • ptAU01 Dietary Fiber, soluble / insoluble Fiber and Inulin in Crisp Bread (shipment 09/07/2025, registration deadline 02/07/2025)

  • ptAL12 Allergens XII: Lupin, Macadamia and Walnut in Cereal Muesli [Samples A + B] and "Spiking Level Sample“ [SP] (shipment 23/07/2025, registration deadline 16/07/2025)

  • ptAUS3  Animal Species-Screening III3 Samples qualitative (with known contents): Buffalo, Cow's and Sheep's Milk in Dairy Product (Mozzarella Cheese)  (shipment 30/07/2025, registration deadline 23/07/2025) Update: The parameter Goat´s Milk will also be encluded in one of the three samples and can be analyzed in this PT-round!


unsere LVUs im Juni 2025: [zur Anmeldung]

  • ptAL13  Allergens in Pet Food: Gluten (Wheat) and Soya in „gluten-free“ Veggy Food for Dogs [Samples A + B] and "Spiking Level Sample“ [SP]
    (Verschoben! Neuer Versandtermin 12.11.2025)*

  • ptASW2 Allergen Swab Test II: Crustaceae, Egg, Fish and Soya (Versand 04.06.2025, Anmeldeschluss 28.05.2025)

  • ptALS2  Allergen-Screening II - 4 Samples qualitative: Crustaceae, Egg, Fish, Milk, Molluscs, Mustard (yellow/white, brown and black), Soya (Versand 11.06.2025, Anmeldeschluss 04.06.2025)

  • ptGMO1 GMO-Determination in Maize Flour (qualitative + quantitative): 2 Samples with positive and negative amounts of Cry1Ab/Ac, p35S, PAT, t-NOS / Maize + GMO-Maize (Bt11, MIR604 and MON87429) (Versand 18.06.2025, Anmeldeschluss 11.06.2025)

  • ptAL11  Allergens XI: Gluten (Wheat), Mustard and Soya in Oat Flour (contaminated with Rape Seed) and Rice Flour (4 different Samples A, B, C, D) (Versand 25.06.2025, Anmeldeschluss 18.06.2025)

Our PTs in June 2025: [register here]

  • ptAL13 Allergens in Pet Food: Gluten (Wheat) and Soya in „gluten-free“ Veggy Food for Dogs [Samples A + B] and "Spiking Level Sample“ [SP]
    (Postponed! New shipping date: 12 November 2025)*

  • ptASW2 Allergen Swab Test II: Crustaceae, Egg, Fish and Soya (shipment 04/06/2025, registration deadline 28/05/2025)

  • ptALS2 Allergen-Screening II - 4 Samples qualitative: Crustaceae, Egg, Fish, Milk, Molluscs, Mustard (yellow/white, brown and black), Soya (shipment 11/06/2025, registration deadline 04/06/2025)

  • ptGMO1  GMO-Determination in Maize Flour (qualitative + quantitative): 2 Samples with positive and negative amounts of Cry1Ab/Ac, p35S, PAT, t-NOS / Maize + GMO-Maize (Bt11, MIR604 and MON87429) (shipment 18/06/2025, registration deadline 11/06/2025)

  • ptAL11 Allergens XI: Gluten (Wheat), Mustard and Soya in Oat Flour (contaminated with Rape Seed) and Rice Flour (4 different Samples A, B, C, D) (shipment 25/06/2025, registration deadline 18/06/2025)

* Die Mindestteilnehmerzahl ist noch nicht erreicht. LVUs <10 Anmeldungen fallen aus oder werden verschoben, die angemeldeten Teilnehmer werden bei Anmeldeschluss informiert.

* 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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