Proficiency Tests


DLA-Registration: Online-Form 2018 [get Form 2017 / 2018 / 2019]

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


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DLA-No.

Proficiency Test

Shipping Samples

Prize



Elicitors of Allergies and Intolerance Reactions




Allergen-PTs (qualitative / quantitative)

DLA 01 – 9/2018: 2 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.


01/2018

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

January

210 €

02/2018

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

February

210 €

03/2018

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

March

230 €

04/2018

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

June

230 €

05/2018

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

September

210 €

06/2018

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

October

210 €

07/2018

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

November

210 €

08/2018

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

December

210 €

09/2018

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

February

210 €

10/2018

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

May

190 €


Allergen-Screening (qualitative)

DLA 11 - 13: 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) and PCR can be applied.


ELISA
PCR

11/2018

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

March

350 €1
450 €2

ELISA
PCR

12/2018

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

July

350 €1
450 €2

ELISA
PCR

13/2018

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

350 €1
450 €2


prices 1) ELISA or PCR, 2) ELISA and PCR



Allergen-Response of processed allergenic Ingredients

DLA 14 - 15: 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.


14/2018

Response PT Hazelnut: Processed samples Hazelnut (not roasted), Nut Butter (roasted), Nut Spread with Cocoa, Nut Nougat and Nut Crocant in potato powder matrix (levels: 25 - 150 mg/kg)

November

295 €

15/2018

Response PT Milk: Processed samples Milk, Whey, Yoghurt, Curd Cheese and Cream in potato powder matrix (levels: 25 - 150 mg/kg)

April

295 €


Action Level Matrix- ALM Verification

DLA 16 - 17: 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.


16/2018

ALM-Verification Hazelnut: 5 calibration samples containing roasted Hazelnut in Chocolate-Matrix (levels: 0,50 / 2,5 / 5,0 / 12,5 / 25 mg/kg), Allergenic Material: mixture of 4 peanut varieties

November

295 €

17/2018

ALM-Verification Milk: 5 calibration samples containing Milk Powder in Cereal Pap-Matrix (levels: 0,25 / 1,25 / 2,5 / 12,5 / 25 mg/kg)

March

295 €



Other Elicitors of Allergies and Intolerance Reactions



18/2018

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

April

230 €

19/2018

Flavour Enhancers

February

190 €



Mycotoxins



20/2018

Aflatoxins in Peanuts

April

210 €

21/2018

Aflatoxins in Baby Food

August

210 €

22/2018

DON + Zearalenon in Cereals

November

210 €

23/2018

Fumonisins in Cornmeal

April

210 €

24/2018

Ochratoxin A in Cereal foods

November

170 €

25/2018

Aflatoxins + Ochratoxin A in Spice Mixture

May

230 €

26/2018

Ochratoxin A in Grape Juice Concentrate

June

170 €

27/2018

Patulin in Apple Juice

March

170 €



Potentially toxic Compounds, Contaminants and Residues



28/2018

Cumarin in Chocolate

November

170 €

29/2018

Estragole, Methyleugenol and Thujone in Tea Beverage Powder

October

210 €


+ Zusatzprobe

30/2018

Melamine in Milk Powder and

new: Melamine in Potato Powder (optional extra sample)

December

170 €
(+ 40 €)

31/2018

Ginkgolic Acid in Ginkgo Leaves

March

210 €

32/2018

Iodine and Selenium in Algae Powder

July

200 €

33/2018

Contaminated Food: Heavy Metals (Pb, Cd, Hg, As) in Plant Powder

May

210 €



Genitically modified Organisms



34/2018

GMO-Screening I (qualitative): 5 Samples with positive/negative amounts of Screening Targets 35S, NOS, FMV, CTP2-CP4 EPSPS / GMO-Maize (Bt11, MIR604) and GMO-Soya (RR GTS 40-3-2, RR2 MON89788)

May

230 €

new
34a/2018

GVO-Screening II (qualitative): 5 Samples with positive/negative amounts of t-NOS, p-FMV, p-NOS-nptII, CP4 EPSPS / GMO-Potato Amflora (EH92-527-1) and GMO-Sugar Beet (H7-1)

August

230 €

35/2018

GMO-Maize (bt11) quantitative in Corn-Flakes

July

170 €



Nutrients, Additives and Ingredients of Quality



36/2018

Dietary Fiber and Inulin in Cereal Product

February

250 €

37/2018

Dry Matter, total Ash, acid insoluble Ash and Water-Extract in Tea

October

220 €

38/2018

Ethanol in Marzipan

June

190 €

39/2018

Sugar Alcohols (E420, E421, E953, E967, E968) in Plant Product

July

250 €

40/2018

Persipan (Apricot) in Marzipan (Almond)

September

190 €

41/2018

Methylcafestol in 3 Coffee Blends

September

220 €

42/2018

Lactase in lactase tablets

February

190 €

43/2018

Protease activity in food supplements (bromelain, papain)

January

170 €

44/2018

Glycyrrhizin and Ammonium Chloride in Liquorice

December

190 €



Food Supplements and Dietetic Products



45/2018

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

May

365 €

46/2018

Food Supplement II: Athletes Product with Taurine + Caffeine

June

220 €

47/2018

Food Supplement III: Glucosamine in Capsule Powder

January

190 €

48/2018

Dietetic-Product I: Lycopin and β-Carotene in Infant Food Powder

January

210 €

49/2018

Heavy Metals and Trace Elements in Food, approx. 20 Elements

April

370 €

50/2018

Total Amino Acids in Food

September

350 €



Cosmetic Products and Contact Materials



51/2018

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

December

220 €

52/2018

Cosmetic Products II: UV-Filter in Sun Protection Product

March

220 €

53/2018

Cosmetic Products III: Allergenic Fragrances in Skin Cream

August

250 €

54/2018

Cosmetic Products IV: Fluoride in Toothpaste

October

170 €

55/2018

Contact Material I: Nickel Release from Costume Jewelry

October

190 €

56/2018

Contact Material II: Volatile Matter and Extractable Matter of Silicone Food Contact Material (with specified conditions)

June

190 €

57/2018

Children's Product I: PAH in Plastic Children's Toy Product

August

265 €

58/2018

Children's Product II: Analysis of 8 Elements in Finger Paint (As, Ba, Cd, Cr, Hg, Pb, Sb, Se)

September

265 €

DLA-No.
Please indicate!

Double Sample Material
Order of the following PT-numbers:

with PT shipment

75 € per PT


C-2017
C-2018

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

Period Ending or
on Request

20 € per PT

The minimum number of participants is 10.
All prizes plus tax and plus shipping costs.
Our general terms and conditions apply.
(shipment currently: € 12,50 in Germany, € 25,00 - € 35,00 into EU-Countries,25,00 – € 75,00 into non-EU/Overseas Countries)

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DLA - Dienstleistung Lebensmittel Analytik GbR
Dr. Gerhard Wichmann & Dr. Matthias Besler
Waldemar-Bonsels-Weg 170, 22926 Ahrensburg, Germany
Tel. +49-171-1954375 Fax. +49-04102-9944976
Email: proficiency-testing@dla-lvu.de