Proficiency Tests 2020


Our program 2020 includes the following proficiency test categories:

- Elicitors of Allergies and Intolerance Reactions -
- Mycotoxins -
- Potentially toxic Compounds, Contaminants and Residues -
- Genitically modified Organisms -

- Nutrients, Additives and Ingredients of Quality -
- Food Supplements and Dietetic Products -
- Cosmetic Products and Contact Materials -

get to Registration form

Preliminary Program 2020
(more PTs and prices will be announced from October 2019)

Art.-No.
(Lot-No.)

Proficiency Test

Terms

Start

Status
(2018-10-14)

Result file


Elicitors of Allergies and Intolerance Reactions






Allergen-PTs (qualitative / quantitative) - Accredited Programs -

ptAL01 - 09: Two Samples with Allergens in a Food Matrix, as pastry, chocolate or wine, are provided for qualitative and quantitative determination. One of these samples and the "Spiking Level Sample" were prepared adding the allergenic ingredients. The "Spiking Level Sample" contains the allergens in a simple matrix in similar amounts. The evaluation of results will be qualitative and quantitative. For information DLA calculates a recovery rate for the "positive"-sample and the "Spiking Level Sample". Any suitable method can be applied for analysis.


ptAL01
(Lot 20EgFi)

Allergens I: Egg and Fish in Instand Soup Powder with "Spiking Level Sample“


January
JFMAMJJASOND

Registration


ptAL02
(Lot 20SoGl)

Allergens II: Soya and Rye ("Gluten") in „gluten-free“ Pastry with "Spiking Level Sample“


February
JFMAMJJASOND

Registration


ptAL03
(Lot 20MiGl)

Allergens III: β-Lactoglobulin, Casein and Gluten in Infant Food with "Spiking Level Sample“


March
JFMAMJJASOND

Registration


ptAL04
(Lot 20CeMuSe)

Allergens IV: Celery, Mustard and Sesame in Instant Soup Powder with "Spiking Level Sample“


June
JFMAMJJASOND

Registration


ptAL05
(Lot 20PeAl)

Allergens V: Peanut and Almond in Pastry with "Spiking Level Sample“


September
JFMAMJJASOND

Registration


ptAL06
(Lot 20HaPc)

Allergens VI: Hazelnut and Pecannut in Chocolate with "Spiking Level Sample“


October
JFMAMJJASOND

Registration


ptAL07
(Lot 20CrCo)

Allergens VII: Crustaceae and Coconut in Instant Product with "Spiking Level Sample“


November
JFMAMJJASOND

Registration


ptAL08
(Lot 20AlCw)

Allergens VIII: Almond and Cashew in Veggie Burger Powder with "Spiking Level Sample“


December
JFMAMJJASOND

Registration


ptAL09
(Lot 20MiEg)

Allergens IX: Casein and Egg White Protein in Wine with "Spiking Level Sample“


February
JFMAMJJASOND

Registration


ptAL10
(Lot 20Gl)

Allergens X: Gluten in „gluten-free“ Beer (2 Samples)


May
JFMAMJJASOND

Registration



Allergen-Screening (qualitative)

ptALS1-3: 4 Samples with Allergens in a simple Carrier Matrix are provided. The evaluation of results is strictly qualitative with indication of the obtained agreements with the consensus values of the participants and the spiking of samples. For analysis ELISA (+ Lateral Flow), PCR and LC/MS can be applied.


ptALS1
(Lot 20)

Allergen-Screening I - 4 Samples qualitative: Cashew, Hazelnut, Macadamia, Almond, Brazil Nuts, Pecan, Pistachio, Walnut


March
JFMAMJJASOND

Registration


ptALS2
(Lot 20)

Allergen-Screening II - 4 Samples qualitative: Crustaceae, Egg, Fish, Milk, Molluscs, Mustard (yellow/white, brown and black), Soybean


July
JFMAMJJASOND

Registration


ptALS3
(Lot 20)

Allergen-Screening III - 4 Samples qualitative: Cereals containing Gluten (Wheat, Rye, Barley and Oat), Peanut, Lupine, Celery (Leaves / Stem, Root and Seed), Sesame (white and black)


October
JFMAMJJASOND

Registration



Allergen-Response of processed allergenic Ingredients

ptALR1-2: 5 Samples of a differently processed Allergen are provided for qualitative and quantitative determination a simple Carrier Matrix as well as a Blank Sample“ (Carrier Matrix). The individual processed ingredients of the samples are mixed gravimetrically by DLA each from 4 industrially manufactured products. The analytical methods are optional.

ptALR1
(Lot 20Mu)

Response PT Mustard: Processed samples Mustard flour (Sinapis alba), table mustard (Sinapis alba), Dijon mustard (Brassica spp), vegetarian spread (heated) and spice cracker (baked) in potato powder matrix (levels: 25 - 150 mg/kg)


November
JFMAMJJASOND

Registration


ptALR2
(Lot 20Se)

Response PT Sesame: Processed samples white sesame (ground), black sesame (ground), sesame paste (Tahini), vegetarian spread (heated) and spice cracker (baked) in potato powder matrix (levels: 25 - 150 mg/kg)


April
JFMAMJJASOND

Registration


new

More Allergen-Response Single-PT-Sets are available for method validation and verification! See also our SPT programme


Action Level Matrix- ALM Verification

ptALM1-2: A Calibration Set of 5 Samples of an Allergen in a Specific Matrix is provided for qualitative determination as well as a „Blank Sample“ (Matrix). The allergen levels of the calibration row range from 1/10 to at least twice the Action Level 1 (VITAL concept 2.0) and judgment value of the German Commission ALTS/ALS. Valuation of PT-results is qualitative in Scores of 1-5 (Score 3 = Action Level successfully identified). Quantitative results will be reported for information. The analytical methods are optional.

ptALM1
(Lot 20Mu)

ALM-Verification Mustard: 5 calibration samples containing mustard (Sinapis alba) in Spice Mixture (levels: 0,50 / 2,5 / 5,0 / 12,5 / 25 mg/kg), Allergenic Material: mixture of at least 4 mustard varieties


November
JFMAMJJASOND

Registration


ptALM2
(Lot 20Se)

ALM-Verification Sesame: 5 calibration samples containing white sesame in Spice Cracker Matrix (levels: 1,0 / 5,0 / 10 / 25 / 50 mg/kg), Allergenic Material: mixture of at least 4 mustard varieties


March
JFMAMJJASOND

Registration


new

More Action Level Single-PT-Sets are available for method validation and verification! See also our SPT programme


Other Elicitors of Allergies and Intolerance Reactions





ptAI01
(Lot 20LaFr)

Lactose + Fructose in "lactose-free" infant-food with "Spiking Level Sample“


April
JFMAMJJASOND

Registration



Mycotoxins






NEW: Multi-Mycotoxin-Screening (qualitative / quantitative, 2 different Samples with positive and "negative" Contents)
- Accredited Programs -





ptMYS1
(Lot 20Multi)

Mycotoxin-Screening: Aflatoxins, Ochratoxin A, DON, Zearalenon and Fumonisins in Breaktfast Cereals (with corn and/or other cereal products)


April
JFMAMJJASOND

Registration



NEW: Mycotoxin-Matrix-Sets (quantitative, 3 different Samples)
- Accredited Programs -





ptMYM1
(Lot 20Afl)

Mycotoxin-Matrices: Aflatoxins in Nuts, Cereal Products, Spice Mixture and Dried Fruits (4 Samples)

September
JFMAMJJASOND

Registration



Special Matrices (quantitative, 2 identical Samples)
- Accredited Programs -




ptMY23
(Lot 20Ota)

Ochratoxin A in Grape Juice Concentrate


June
JFMAMJJASOND

Registration


ptMY60
(Lot 20Pat)

Patulin in Apple Juice


March
JFMAMJJASOND

Registration


new

More matrices are available in Single-Proficiency Tests!
See also our SPT programme


Potentially toxic Compounds, Contaminants and Residues





ptTO01
(Lot 20Cum)

Cumarin in Pastry (Cookies)


November
JFMAMJJASOND

Registration


ptTO04
(Lot 20Met)

Contaminated Food: Heavy Metals (Al, Pb, Cd, Hg, As and organic Hg) in Fish / Seafood Powder


May
JFMAMJJASOND

Registration



Genitically modified Organisms





ptGMS1
(Lot 20MaSo)

GMO-Screening I (qualitative): 5 Samples with positive/negative amounts of p-35S, t-NOS, p-FMV, CP4 EPSPS, 35S-Pat, Cry1Ab/Ac / GMO-Maize (Bt11, MIR604) and GMO-Soya (RR GTS 40-3-2, RR2 MON89788)


May
JFMAMJJASOND

Registration



Nutrients, Additives and Ingredients of Quality





ptAU01
(Lot 20FiIn)

Dietary Fiber and Inulin in Cereal Product (new: 2 Samples, with and without Inulin)


February
JFMAMJJASOND

Registration


ptAU04
(Lot 20SuAl)

Sugar Alcohols (E420, E421, E953, E967, E968) in Pudding Powder


July
JFMAMJJASOND

Registration


ptAU06
(Lot 20Caf)

Methylcafestol in 3 Coffee Blends


September
JFMAMJJASOND

Registration


ptAU07
(Lot 20Et)

Ethanol in Marzipan


June
JFMAMJJASOND

Registration


ptAU08
(Lot 20Ap)

Persipan (Apricot) in Almond Pastry


September
JFMAMJJASOND

Registration



Animal Species-Screening (qualitative)

ptAUS1-3: 4 Samples with portions of Animal Origin (meat or dairy products) are provided. The evaluation of results is strictly qualitative with indication of the obtained agreements with the consensus values of the participants and the spiking of samples. The analytical methods are optional.


ptAUS1
(Lot 20Be)

Animal Species-Screening I – 4 Samples qualitative: Rabbit, Pork, Sheep and Goat in Meat Product (Beef)


March
JFMAMJJASOND

Registration


ptAUS2
(Lot 20Po)

Animal Species-Screening II – 4 Samples qualitative: Donkey, Beef, Horse, Chicken and Turkey in Meat Product (Pork)


June
JFMAMJJASOND

Registration


ptAUS3
(Lot 20Mi)

Animal Species-Screening III – 4 Samples qualitative: Buffalo, Cow's, Sheep's and Goat's Milk in Milk Product (e.g., Cheese)


August
JFMAMJJASOND

Registration



Food Supplements and Dietetic Products





ptSU02
(Lot 20FaVi)

Food Supplement I: Vitamins A, E, D3, K1, β-Carotene and Coenzym Q10 (Ubiquinone) and Alpha Liponic Acid (enriched / high levels)


May
JFMAMJJASOND

Registration


ptSU06
(Lot 20WaVi)

Dietetic-Product I: Vitamins B1, B2, B6, B12, Biotin, Vitamin C, Folic Acid , Niacin and Pantothenic Acid (enriched / low levels)


January
JFMAMJJASOND

Registration


ptSU08
(Lot 20Elem)

Heavy Metals and Trace Elements in Food (with Caseinate Powder), approx. 20 Elements ("natural" / partly low levels)


April
JFMAMJJASOND

Registration


ptSU09
(Lot 20ToAa)

Total Amino Acid Composition in Food


September
JFMAMJJASOND

Registration



Cosmetic Products and Contact Materials





ptCO05
(Lot 20AnDa)

Cosmetic Products I: Zinc-Pyrithione, Piroctone Olamine and Climbazol in Anti-Dandruff Shampoo


December
JFMAMJJASOND

Registration


ptCO06
(Lot 20UV)

Cosmetic Products II: UV-Filter in Sun Protection Product


March
JFMAMJJASOND

Registration


ptCO07
(Lot 20Frag)

Cosmetic Products III: Allergenic Fragrances in Skin Cream


August
JFMAMJJASOND

Registration


ptCO08
(Lot 20F)

Cosmetic Products IV: Fluoride in Toothpaste


October
JFMAMJJASOND

Registration


Double Sample Material available!
From now on, you can order double the sample quantity for all our PTs. Please indicate it on the registration form!

C-2018

Annual Certificate of all participated / passed PTs
(all parameters with z-scores or „participated“)


Period Ending or
on Request




Online: Registration form (html-form)
Download: Registration form (PDF-file)


Preliminary Program 2020

(more PTs and prices will be announced from October 2019)



DLA - Dienstleistung Lebensmittel Analytik GbR
Dr. Gerhard Wichmann & Dr. Matthias Besler-Scharf
Waldemar-Bonsels-Weg 170, 22926 Ahrensburg, Germany

Tel. +49-(0)4532-9183358 Mob. +49-(0)171-1954375 Fax. +49-(0)4102-9944976
email: pt@dla-lvu.de