Proficiency Tests 2018


Our program 2018 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 including prices

DLA-No.

Proficiency Test

Terms

Start

Status
(2019-04-18)

Result file / Report


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“

PDF

January
JFMAMJJASOND

finished

Report

02/2018

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

PDF

February
JFMAMJJASOND

finished

Report

03/2018

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

PDF

March
JFMAMJJASOND

finished

Report

04/2018

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

PDF

June
JFMAMJJASOND

finished

Report

05/2018

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

PDF

September
JFMAMJJASOND

finished


06/2018

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

PDF

October
JFMAMJJASOND

finished


07/2018

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

PDF

November
JFMAMJJASOND

finished


08/2018

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

PDF


December
JFMAMJJASOND

In Progress

Result submission

09/2018

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

PDF

February
JFMAMJJASOND

finished

Report

10/2018

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

PDF

May
JFMAMJJASOND

finished

Report


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.


11/2018

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

PDF

March
JFMAMJJASOND

finished

Report

12/2018

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

PDF

July
JFMAMJJASOND

finished


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)

PDF

October
JFMAMJJASOND

finished

Result submission


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)

PDF

November
JFMAMJJASOND

In Progress

Result submission

15/2018

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

PDF

April
JFMAMJJASOND

finished

Report

new

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


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 hazelnut varieties

PDF

November
JFMAMJJASOND


finished


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)

PDF

March
JFMAMJJASOND

finished

Report

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





18/2018

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

PDF

April
JFMAMJJASOND

finished

Report

19/2018

Flavour Enhancers

PDF

February
JFMAMJJASOND

canceled



Mycotoxins





20/2018

Aflatoxins in Peanuts

PDF

April
JFMAMJJASOND

canceled


21/2018

Aflatoxins in Baby Food

PDF

August
JFMAMJJASOND

canceled


22/2018

DON + Zearalenon in Cereals

PDF

November
JFMAMJJASOND

finished


23/2018

Fumonisins in Cornmeal

PDF

April
JFMAMJJASOND

canceled


24/2018

Ochratoxin A in Cereal foods

PDF

November
JFMAMJJASOND

canceled


25/2018

Aflatoxins + Ochratoxin A in Spice Mixture

PDF

May
JFMAMJJASOND

canceled


26/2018

Ochratoxin A in Grape Juice Concentrate

PDF

June
JFMAMJJASOND

canceled


27/2018

Patulin in Apple Juice

PDF

March
JFMAMJJASOND

canceled


new

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


Potentially toxic Compounds, Contaminants and Residues





28/2018

Cumarin in Chocolate

PDF

November
JFMAMJJASOND

finished


29/2018

Estragole, Methyleugenol and Thujone in Tea Beverage Powder

PDF

October
JFMAMJJASOND

finished


30/2018

Melamine in Milk Powder and
new: Melamine in Potato Powder (optional extra sample)

PDF

December
JFMAMJJASOND

canceled


31/2018

Ginkgolic Acid in Ginkgo Leaves

PDF

March
JFMAMJJASOND

canceled


32/2018

Iodine and Selenium in Algae Powder

PDF

July
JFMAMJJASOND

canceled


33/2018

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

PDF

May
JFMAMJJASOND

canceled



Genitically modified Organisms





34/2018

GMO-Screening 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)

PDF

May
JFMAMJJASOND

finished

Report

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)

             PDF

August
JFMAMJJASOND

canceled


35/2018

GMO-Maize (bt11) quantitative in Corn-Flakes


July
JFMAMJJASOND

canceled



Nutrients, Additives and Ingredients of Quality





36/2018

Dietary Fiber and Inulin in Cereal Product

PDF

February
JFMAMJJASOND

finished

Report

37/2018

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

PDF

October
JFMAMJJASOND

canceled


38/2018

Ethanol in Marzipan

PDF

June
JFMAMJJASOND

canceled


39/2018

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

             PDF

July
JFMAMJJASOND

finished

Report

40/2018

Persipan (Apricot) in Marzipan (Almond)

PDF

September
JFMAMJJASOND

canceled


41/2018

Methylcafestol in 3 Coffee Blends

PDF

September
JFMAMJJASOND

finished

42/2018

Lactase in lactase tablets

PDF

February
JFMAMJJASOND

canceled


43/2018

Protease activity in food supplements (bromelain, papain)

PDF

January
JFMAMJJASOND

canceled


44/2018

Glycyrrhizin and Ammonium Chloride in Liquorice

PDF

December
JFMAMJJASOND

canceled



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

PDF

May
JFMAMJJASOND

finished

Report

46/2018

Food Supplement II: Athletes Product with Taurine + Caffeine

PDF

June
JFMAMJJASOND

finished


47/2018

Food Supplement III: Glucosamine in Capsule Powder

PDF

January
JFMAMJJASOND

finished


48/2018

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

PDF

January
JFMAMJJASOND

canceled


49/2018

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

PDF

April
JFMAMJJASOND

finished

Report

50/2018

Total Amino Acids in Food

PDF

September
JFMAMJJASOND

finished



Cosmetic Products and Contact Materials





51/2018

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

PDF

December
JFMAMJJASOND

canceled


52/2018

Cosmetic Products II: UV-Filter in Sun Protection Product

PDF

March
JFMAMJJASOND

finished

Report

53/2018

Cosmetic Products III: Allergenic Fragrances in Skin Cream

PDF

August
JFMAMJJASOND

finished


54/2018

Cosmetic Products IV: Fluoride in Toothpaste

PDF

October
JFMAMJJASOND

finished


55/2018

Contact Material I: Nickel Release from Costume Jewelry

            PDF

October
JFMAMJJASOND

canceled


56/2018

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

PDF

June
JFMAMJJASOND

canceled


57/2018

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

PDF

August
JFMAMJJASOND

finished


58/2018

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

PDF

September
JFMAMJJASOND

canceled


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 including prices (html-form)
Download: Registration form including prices (PDF-file)




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