Proficiency Tests


DLA-Registration: Online-Form 2021 [get Form 2019 / 2020 / 2021]

Special Offer - until 28th February 2021: For each 5 PT orders, you will receive a reference material of your choice free of charge
(applies to available materials up to 100 €, delivery from March 2020)

Here you may register your participation in the following proficiency tests directly.
Please mark the respective proficiency tests in the related column for „subscription“!

Subscription
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Art.-No.
(Lot-No.)

Proficiency Test

Shipping Samples

Prize



1. Allergens - 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 spread or cereal muesli, 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 21MiSoi)

Allergens I: Milk (Casein) and Soya in Sauce Powder with "Spiking Level Sample“

February

252 €

ptAL02
(Lot 21LuGl)

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

March

252 €

ptAL03
(Lot 21MiGl)

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

April

282 €

ptAL04
(Lot 21CeMuSe)

Allergens IV: Celery, Mustard and Sesame in Mayonnaise with "Spiking Level Sample“

May

282 €

ptAL05
(Lot 21HaWaEg)

Allergens V: Hazelnut, Walnut and Egg in Pastry with "Spiking Level Sample“

August

282 €

ptAL06
(Lot 21PeAlBr)

Allergens VI: Peanut, Almond and Brazil Nut in Spread (Cocoa Cream) with "Spiking Level Sample“

October

282 €

ptAL07
(Lot 21PiMoCe)

Allergens VII: Pistachio, Mollusks and Celery in Instant Noodle Soup with "Spiking Level Sample“

November

282 €

ptAL08
(Lot 21BuAlMa)

Allergens VIII: Buckwheat, Almond and Macadamia in Cereal Muesli with "Spiking Level Sample“

December

282 €

ptAL09
(Lot 21PeAl)

Allergens IX: Peanut and Almond in Barbecue Spice Mixture (with Onion, Garlic and Paprika powder) with "Spiking Level Sample“

September

252 €

ptAL10
(Lot 21Gl)

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

May

232 €


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.


ELISA
PCR
LC/MS

ptALS1
(Lot 21)

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

March

360 €1
460 €2

ELISA
PCR
LC/MS

ptALS2
(Lot 21)

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

June

360 €1
460 €2

ELISA
PCR
LC/MS

ptALS3
(Lot 21)

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

360 €1
460 €2


prices 1) participation with one method, 2) participation with 2 or 3 methods



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 21Pe)

Response PT Peanut: Processed samples Peanut (unroasted), Peanut (roasted), Peanut Butter, Peanut Paste and Extrudate (Peanut-Flips) in potato powder matrix (levels: 25 - 150 mg/kg)

April

375 €

ptALR2
(Lot 21Gl)

Response PT Gluten: Processed samples Wheat Flour, Bread, Noodles (Durum Wheat), Bulgur (pre-cooked Wheat) and Seitan (Gluten Protein) in potato powder matrix (levels: 25 - 150 mg/kg)

September

375 €


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 21Pe)

ALM-Verification Peanut: 5 Samples containing roasted Peanuts in Chocolate-Matrix (levels: 0,50 / 2,5 / 5,0 / 12,5 / 25 mg/kg)

November

375 €

ptALM2
(Lot 21Gl)

ALM-Verification Gluten: 5 Samples containing Wheat Flour in gluten-free” Pastry-Matrix (levels: 2,0 / 10 / 20 / 50 / 100 mg/kg)

April

375 €



Other Elicitors of Allergies and Intolerance Reactions



ptAI01
(Lot 21LaFr)

Lactose + Fructose in "lactose-free" Food (Cereal Pap Powder) with "Spiking Level Sample“

April

240 €



Allergen Swab Test (qualitative) - Wipe Test for Surfaces

ptASW1-2: There are 2 samples of a Test Surface with Allergens offered for the detection of each allergen by means of a wipe test (swab test). The allergens to be tested were attached to one test surface, while the other test surface is "negative". The evaluation is exclusively qualitative (positive/negative) with indication of the obtained agreement with the consensus values of the participants and the spiking of the surfaces. As a analitical test method, the Lateral-Flow-Test is particularly suitable. ELISA, PCR and LC/MS can also be used.


ptASW1
(Lot 21)

Allergen Swab Test I: Gluten, Peanut, Milk and Soya

(2 Test Surfaces per Allergen, qualitative)

March

360 €

ptASW2
(Lot 21)

Allergen Swab Test II: Crustaceae, Egg, Mustard and Sesame

(2 Test Surfaces per Allergen, qualitative)

October

360 €



2. Mycotoxins





All Mycotoxin-PTs (qualitative + quantitative) - Accredited Programs -

2 different samples with "positive" or "negative" contents
qualitative evaluation: agreement pos/neg. in relation to EU Maximum Levels (EU/VO 1881/2006)
quantitative evaluation by z-scores



(up to 3)1
(up to 5)2

ptMYS1
(Lot 21Multi)

Mycotoxin-Screening: Aflatoxins, Ochratoxin A, Deoxynivalenol, Zearalenone and Fumonisins in Breaktfast Cereals (Muesli with corn and/or other cereal products, almonds and dried fruits),
2 different samples each 200g

April

380 €1
480 €2



1) Determination of up to 3 Parameters, 2) Determination of up to 5 Parameters


ptMY12
(Lot 21AflOta)

Aflatoxins + Ochratoxin A in Spice Mixture
2 different samples each 100g

September

290 €

ptMY10
(Lot 21Afl)

Aflatoxins in Nut Butter
2 different samples each 50g

June

240 €

ptMY80
(Lot 21Erg)

Ergot-Alkaloides in Cereals
2 different samples each 80g

December

350 €



3. Potentially toxic Compounds, Contaminants and Residues



ptTX01
(Lot 21Cum)

Cumarin in Cinnamon Powder (Cassia + Ceylon Cinnamon)
2 different samples

November

230 €

ptRE01
(Lot 21ClEth)

Ethylenoxid/2-Chlorethanol in Spice Mixture

March

230 €

ptRE02
(Lot 21Rad)

Detection of Food Irradiation (Spices, ground + Herbs, rubbed)
2 different samples each (irradiated / non-irradiated)

October

275 €



4. Genitically modified Organisms



ptGMS1
(Lot 21MaSo)

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) in flour and semolina mixtures

May

295 €

ptGMS2
(Lot 21PoRaSu)

GMO-Screening II (qualitative): 5 Samples with positive/negative amounts of GMO-Potato Amflora (EH92-527-1), GMO-Rape Seed / Canola (GT73) and GMO-Sugar Beet (H7-1) in flour and plant powder mixtures

August

295 €

ptGMF
(Lot 21MaSoRa)

GMO-Determination in Feed (qualitative + quantitative):
GMO-Soya
(RR und RR2), GMO-Maize (2 Events), GMO-Rape Seed / Canola (GT73) 2 samples qualitative + quantitative

September

355 €



5. Nutrients, Additives and Authenticity



ptAU01
(Lot 21FiIn)

Dietary Fiber, soluble / insoluble Fiber and Inulin in Cereal Product
(2 Samples, with and without Inulin)

May

275 €

ptAU03
(Lot 21IFl)

Iodine and Fluorine in Salt

July

240 €

ptAU05
(Lot 21Stev)

Steviosides in Drink Powder

June

275 €

ptAU09
(Lot 21Nic)

Nicotine in E-Cigarette-Liquid

December

205 €

ptAU10
(Lot 21Cof)

Total Glucose, total Xylose, Chlorogenic Acid, Caffeine and Methylcafestol in Instant Coffee

June

325 €


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, Deer, Pork, Sheep and Goat in Meat Product (Beef)

March

360 €

ptAUS2
(Lot 20Po)

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

June

360 €

ptAUS3
(Lot 20Mi)

Animal Species-Screening III – 4 Samples qualitative: Donkey Milk, Mare's Milk, Camel Milk, Cow's Milk, Sheep's and Goat's Milk in Milk Powder

September

400 €

ptAUS4
(Lot 20Fi)

Fish-Screening – 4 Samples qualitative: Turbot (Psetta maxima), Dover sole (Solea solea), Witch flounder (Glyptocephalus cynoglossus) and Striped Catfish (Pangasianodon hypophthalmus) in Fish Product (freeze-dried Mixtures, one Species per Sample)

October

360 €

ptAUS5
(Lot 20Cr)

Crustaceae-Screening – 4 Samples qualitative: Black Tiger prawn (Penaeus monodon), King prawn (Pandalus borealis), Crab (Cancer pagurus), Scampi (Nephros norvegicus) in Crustacean Product (freeze-dried Mixtures, one Species per Sample)

November

360 €



6. Food Supplements and Dietetic Products



ptSU01
(Lot 21WaVi)

Food Supplement I: Vitamins B1, B2, B6, B12, Biotin, Vitamin C, Folic Acid , Niacin and Pantothenic Acid (enriched / high levels)

April

330 €

ptSU03
(Lot 21Min)

Food Supplement II: B, Ca, Cr, Cu, Fe, K, Mg, Mn, Mo, P, Se, Zn

July

290 €

ptSU07
(Lot 21FaVi)

Dietetic Food I: Vitamine A, E, D3, K1 and β-Carotene in Meal Replacement (enriched / low levels)

October

290 €

ptSU08
(Lot 21Elem)

Heavy Metals and Trace Elements in plant food (Ginger Powder), approx. 20 Elements incl. As, Cd, Hg and Pb (mostly "natural" / partly low levels)

May

390 €

ptSU10
(Lot 21FrAa)

Free Amino Acids and Taurine in Food (Infant Food)

September

390 €



7. Cosmetic Products and Contact Materials



ptCO01
(Lot 21Pre)

Cosmetic Products I: Preservatives (Benzoic Acid, Methyl-, Propylparaben, Phenoxyethanol, Sorbic Acid) in Body Lotion

February

280 €

ptCO02
(Lot 21Cof)

Cosmetic Products II: Coffein in Hair Shampoo

October

200 €

ptCO03
(Lot 21Vit)

Cosmetic Products III: Coenzym Q10, Panthenol and Tocopherol in Skin Cream

December

230 €

DLA-No.
Please indicate!

Double Sample Material
Order of the following PT-numbers:

with PT shipment

85 €


The minimum number of participants is 10.
All prizes plus tax and plus shipping costs. Our general terms and conditions apply, see at www.dla-lvu.de

Shipment currently: € 12,50 in Germany, € 20,00 into EU-Countries and Europe,28,00 North Amerika (Express delivery on request plus € 35,00),
€ 80,00 other countries (for example in South America and Asia)



Special Offer - until 29th February 2021:

For each 5 PT orders, you will receive a reference material
of your choice free of charge

(applies to available materials up to 100 €, delivery from March 2021)



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