Check out our brand new dietary supplements catalogue! As the dietary supplements industry grows, so do global regulations. To support your laboratory in all of its testing, LGC AXIO has released a new catalogue, offering a wide range of dietary supplement related samples to test, from finished products to base ingredients.
Dietary Supplements AXIO Proficiency Testing Samples 2025
lgcstandards.com/AXIO
ISO/IEC 17043
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AXIO | Proficiency Testing schemes 2025
Contents
LGC AXIO Proficiency Testing operates schemes in a wide range of sectors from Food to Forensic, Consumer Safety to Clinical. Whatever your quality and testing needs, AXIO will have the scheme and sample options that will deliver the confidence in your results that you are looking for.
Intro
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Quality in Dietary Supplements What is Proficiency Testing?
Why AXIO?
8 Introducing the PORTAL Reporting Platform 10 The LGC AXIO Proficiency Testing Process
Proficiency Testing samples by Testing Type 15 Nutritional information 16 Elements 17 Mycotoxins 17 Additives 17 Allergens and related 18 Antibiotics 18 Authenticity / Quality 19 Other contaminants 20 Microbiology indicators 21 Pathogens
Proficiency Testing
Spotlights
samples by Matrix
23 Dietary supplements 24 Cereals 25 Cocoa 25 Gelatine 25 Herbs & spices 26 Infant food 27 Milk 28 Cannabis related 28 Food product 29 Oil 30 Simulated matrix 30 Vegetals 31 Beverages
32 AXIO PT report 34 PORTAL Data Dashoard 36 PT-PH-21 Compliance with Supplement Labelling
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Quality in Dietary Supplements
Certain categories of products that are frequently incriminated (e.g. sexual enhancement, weight management and sports nutrition dietary supplements) are subject to special monitoring to ensure the absence of prohibited pharmaceutical ingredients. In this catalogue, AXIO has summarized all the proficiency testing samples that laboratories may require to meet their proficiency testing requirements. Read on to see our extensive analyte lists – from nutritional testing and element testing, to authenticity and compliance labelling, and the huge range of matrices we offer, from raw materials to finished products.
It is increasingly common for people to supplement their diets with vitamins, minerals, botanicals, or fatty acids to positively affect various aspects of their health. This trend is driving a boom in the supplements industry, but recent scrutiny has also called into question the safety and effectiveness of many of these products. Still too frequently, dietary supplements are in the spotlight for the wrong reasons. These include discrepancies between advertised and actual concentrations of active ingredients, as well as the presence of contaminants and toxic compounds in some products. To better meet the demand for quality and safety, some retailers require their selling partners to verify that their dietary supplement products meet their policy through testing conducted by a third- party testing, inspection and certification organisation.
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AXIO | Proficiency Testing schemes 2025
What is Proficiency Testing?
DRIVING QUALITY TOGETHER
WHAT IS PROFICIENCY TESTING? Proficiency testing (PT) is a mechanism for objectively evaluating a laboratory’s performance by the use of independent external means, and includes regular comparisons of a laboratory’s measurement or test results with those of other laboratories. PT is widely recognised as an essential tool for demonstrating the competence of laboratories, providing the infrastructure for a laboratory to monitor and improve the quality of its routine analytical measurements. PT can provide both evidence of competence and an indication of an underlying or emerging problem.
WHAT SHOULD I CONSIDER WHEN SELECTING A PT SCHEME? Test items Real/simulated materials, properties, concentrations, reporting units. Distribution Frequency, flexible participation, fit for purpose. Reports Speed, language, information, format, evaluation criteria, confidentiality. Participants
National/international, number, methods being used, type of laboratory. Results Deadlines, format, choice of method, reportability of measurement uncertainties, statistical approach. PT provider Scope of PT schemes offered, feedback/assistance provided, quality (accreditation), provision of surplus/ repeat test items.
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WHAT ARE THE BENEFITS OF PT PARTICIPATION? • Identifying measurement or test problems • Comparing methods or procedures • Comparing operator capabilities • Comparing analytical systems • Improving performance • Verification of method performance • Educating staff • Instilling confidence • Assessing measurement uncertainty • PT test items as internal quality controls
WHAT SHOULD I CONSIDER WHEN INTERPRETING PT RESULTS? Putting performance into wider context • The overall results in the round • Measurement or test method performance • Test item factors • Bimodal result distribution • PT scheme factors Trends in PT performance • Performance over time • Common groups of properties
• Performance of methods • Performance of analysts PT performance errors
• Non-analytical errors – transcription, units, format, calculations • Analytical errors – calibration, methodology, property, sample extraction/clean-up, test items, analyst
ACCREDITATION & PT Proficiency Testing (PT) is a requirement for accreditation to ISO/IEC 17025 and ISO 15189. Using an accredited PT provider gives you assurance in the quality and reliability of the service. LGC is a UKAS (United Kingdom Accreditation Service) accredited proficiency testing provider (ISO/IEC 17043) No. 0001. In addition, we are certified to ISO 9001. The most up-to-date sample data can be found in the Scheme Descriptions and Application Forms.
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Why AXIO?
What makes us your partner in proficiency?
DRIVING QUALITY TOGETHER
Global participation
LGC AXIO Proficiency Testing is a truly global provider of proficiency testing schemes, providing PT to more than 13,000 laboratories in over 165 countries every year. This enables our global laboratory network to compare their results with a large number of peers from around the world, ensuring consistency in product, safety and quality from one side of the world to the other.
Fast reporting
LGC AXIO Proficiency Testing is proud to provide fast report turnaround times. When participating in one of our PT schemes, your laboratory will be provided with a performance report, on average, within 6 working days, so you can quickly address any performance issues identified.
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Watch our video to discover more.
Local support
LGC AXIO Proficiency Testing is a global leader in proficiency testing solutions, but our teams are local. We support local laboratories, with local PT experts, who can assist in local language. Whether that is needing advice on which PT scheme best meets your requirements, or questions surrounding test results or shipments, we have a team on the ground to support.
Real-world test materials
LGC AXIO Proficiency Testing, where possible, offers real-world samples whose analytical results are comparable with routinely tested samples. AXIO offers the widest range of microbiological organisms, and our analytes are available at a range of concentrations, offering you the closest match to your routine samples.
Investing in your lab’s future
LGC AXIO Proficiency Testing moves with the times, continuing to invest and develop our PT schemes and associated test materials to meet your laboratory’s future needs. This year we have released over 40 new proficiency tests to meet new industry challenges and ever-changing regulatory requirements.
Flexibility in your participation
LGC AXIO Proficiency Testing is proud to supply over 2,700 proficiency tests every year. Many of our test materials are offered multiple times over a 12-month period, and some of our most popular proficiency tests are available up to 12 times a year. This means your laboratory can choose when to participate and at a frequency that suits you.
Flexibility in your reporting
When participating in an LGC AXIO Proficiency Testing scheme, our reporting system PORTAL enables you to submit up to 13 results per analyte, allowing you to compare results between different analysts, methods or instruments. All of the results will receive performance scores, although only 3 nominated results, using different methods, contribute to the statistical analysis.
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Driving Quality Together
When you participate in an LGC AXIO Proficiency Testing scheme you gain access to our best-in-class reporting platform PORTAL.
Introducing PORTAL PORTAL sits at the core of the LGC AXIO Proficiency Testing process, it is your gateway to improving laboratory performance: an online hub for result submissions, report downloads, data export and trend analysis – anytime, anywhere. So that our global laboratory network can maximise the benefits of their proficiency testing participation, we have developed a number of tools and materials; some of which are available in local language. If you have any further suggestions or can’t find what you’re looking for, please contact us at axiopt@lgcgroup.com .
PORTAL in numbers… Last year, PORTAL: processed more than 3.8m results
delivering reports in an average of 5.8 working days with 97% of total reports delivered within 10 working days to 36000 users in over 13000 labs generating 600K+ report interactions
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PORTAL user guides PORTAL has many tools available to you and your laboratory, tools that we are continuously developing which make it easier for our customers. To support laboratories who have just joined us, or have been with LGC AXIO for over 10 years, we have developed the PORTAL User Guide. The user guides are a series of short videos, which take you through the step-by-step functions of PORTAL. The guide is available in multiple languages, including English, Chinese, Spanish, Polish, German, French, Italian and Portuguese.
PORTAL: Maximising the benefits of your proficiency testing participation with LGC AXIO Learn more by watching our webinar:
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The LGC AXIO Proficiency Testing Process
How to select a scheme Details of each scheme are provided in the AXIO PT Catalogue, the Application Forms and the PT Webshop. They provide information about the distribution dates, the sample format, matrices, analytes, and the costs of participation. A Scheme Description is also available, providing technical and statistical information specific to that scheme.
How to join a scheme In order to join a scheme, participants should complete the relevant Application Form, indicating which test materials they wish to receive during the scheme year. Alternatively, the participants can register
Order confirmation Once a participant has joined a scheme, an Order Confirmation will be sent to the requester, which confirms the tests materials selected and distribution dates. Participants can amend an order up to one week prior to the distribution date, subject to test material availability. Any amendments to a participant’s order will be confirmed to them in writing.
for an account and place an order via our PT Webshop.
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In under 6 working days Reports are issued, and participants are notified through PORTAL when they are available.
Week 1 Test materials and
Week 2-5 Participants analyse test materials. The scheme allows participants to change the configurations of methods and instruments. Participants will report their results through PORTAL within the specified deadline and instructions.
instructions are sent to participants from our dedicated PT site in Bury, UK. We also include in all of our samples a QR code, which takes you directly to PORTAL where participants will find instructions for the round and FAQs.
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Local Offices
11. Spain T: +34 (0)93 308 4181 E: axiopt.es@lgcgroup.com 12. United Kingdom T: +44 (0)161 762 2500 E: axiopt@lgcgroup.com E: axiopt.us@lgcgroup.com If your country is not listed above please contact: T: +44 (0)161 762 2500 E: axiopt@lgcgroup.com 13. USA + Canada T: +1 231 668 9700
6. Middle East T: +49 (0)281 9887 0 E: axiopt.de@lgcgroup.com 7. Nordic countries T: +49 (0)281 9887 0 E: axiopt.de@lgcgroup.com 8. Poland T: +48 22 751 31 40 E: axiopt.pl@lgcgroup.com 9. South Africa T: +27 (0)11 466 4321 E: axiopt.za@lgcgroup.com 10. South America T: +44 (0)161 762 2500 E: axiopt@lgcgroup.com
1. China T: +86 400 9216156 E: pt.china@lgcgroup.com 2. France T: +33 (0)3 88 04 82 82 E: axiopt.fr@lgcgroup.com 3. Germany T: +49 (0)281 9887 0 E: axiopt.de@lgcgroup.com 4. India T: +91 98491 87576 E: axiopt.in@lgcgroup.com 5. Italy T: +39 02 22476412 E: axiopt.it@lgcgroup.com
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Distributors LGC distributes its products throughout the world via a combination of direct field and office-based customer service teams, our extensive webshop, and a network of authorised distributors. We rely on our distributors to deliver our proficiency testing samples around the world to participants who rely on our schemes to monitor the quality of their testing. We work with a number of quality distributors globally, who will be able to assist you with sourcing products from our ranges in your area.
Find your nearest distributor
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Proficiency Testing samples by Testing Type 15 Nutritional information 16 Elements 17 Mycotoxins 17 Additives 17 Allergens and related 18 Antibiotics 18 Authenticity/Quality 19 Other contaminants 20 Microbiology indicators 21 Pathogens
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Proficiency Testing samples by Testing Type
Nutritional information
Sample Code
Supplied as
Dispatch per Year
Analytes
Matrix
Brix; Acidity (as Citric Acid Monohydrate); pH; Fructose; Glucose; Calcium; Phosphorus; Potassium; Magnesium; Sodium
125ml
Fruit Juice
4
PT-BV-510
PT-BV-514
Ascorbic Acid (Vitamin C)
100ml
Liquid test material
2
PT-BV-515
Brix; Acidity (as Citric Acid Monohydrate); pH; Carbon Dioxide; Fructose; Glucose; Sucrose Sample A: Benzoic Acid; Caffeine; Sulfur Dioxide (Free and Total); Sorbic Acid (as free acid); Phosphoric Acid Sample B: Acesulfame K; Aspartame; Cyclamic acid (as free acid); Saccharin (as free imide); Sucralose Nicotinamide (Vitamin B3); Pantothenic acid (Vitamin B5); Pyridoxine (Vitamin B6); Cyanocobalamin (Vitamin B12); Ascorbic acid (Vitamin C); DL- α -Tocopherol (Vitamin E); Riboflavin (Vitamin B2)
2 x 330ml Soft Drink
4
PT-BV-516
2 x 250ml Soft Drink degassed
4
PT-BV-521
250ml
Soft drink test material
1
PT-BV-527
Vitamin E; Vitamin A
250ml
Ready to drink beverage
1
PT-CH-44
Vitamin A; B12; C; D; E
20g
Milk Powder
2
PT-CT-716
Energy; Fat; Saturates; Total nitrogen; Carbohydrate; Total sugars; Fructose; Glucose; Sucrose; Salt (from sodium); Sodium; Ash; Moisture; Theobromine; Caffeine; pH Energy; Fat; Carbohydrate; Total Sugars; Total Dietary Fibre; Protein; Salt; Sodium; Ash; Moisture; Phosphate; Magnesium; Potassium; Zinc Vitamin A; B1 (Thiamine); B2 (Riboflavin); B3 (Niacin); B5 (Pantothenic Acid); B6; B9 (Folic acid); B12; C; D; Iron
150g Cocoa powder
3
PT-FC-770
100g
Cereal
4
PT-FC-771
200g
Cereal
2
PT-FC-775
Fat; Protein; Total dietary fibre; Ash; Moisture; Calcium; Iron 100g
Flour
2
PT-FC-801
Moisture; Electrical conductivity; Ash; pH; Free acidity; Hydroxymethylfurfural (HMF); Diastase enzymatic activity (Diastase number); Fructose; Glucose; Sucrose; Water insoluble solids; Apparent reducing sugars Moisture; Total ash; Crude fibre, insoluble index; Volatile oil; Piperine content; Acid insoluble ash; Non volatile ether extract; Water activity Alanine (free); Arginine (free); Aspartic acid (free); Glutamic acid (free); Glycine (free); Histidine (free); Isoleucine (free); Leucine (free); Lysine (free); Phenylalanine (free); Proline (free); Serine (free); Threonine (free); Tyrosine (free); Valine (free); Cystein; Cystine (sum of); Methionine (free); Tryptophan (total) Water extract; Total ash; Water soluble ash; Crude fibre; Moisture; Caffeine
200g Honey
2
200g Ground pepper
2
PT-FC-815
PT-FC-823
50g
Infant formula powder
1
PT-FC-829
100g
Dried tea
2
PT-FC-830
Vitamin C (as ascorbic acid)
20g
Fruit/vegetable purée
1
PT-FC-832
Fat; Protein; Total dietary fibre; Ash; Moisture; Calcium 100g Non-wheat flour
3
PT-FC-861
Moisture; Sulfur dioxide; Allicin; Ash (total); Acid insoluble ash
150g Garlic powder
1
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Continued from previous page
Sample Code
Supplied as
Dispatch per Year
Analytes
Matrix
PT-FC-864
Vitamin A; Colour
25g
Tomato paste
1
Moisture; Acid Insoluble Ash; Ash; Volatile Oil; Water activity 100g Herbs
2
PT-FC-879
PT-PH-20
Vitamin B1; Vitamin B2; Vitamin B3; Vitamin B5; Vitamin B6; Folic acid; Biotin; Vitamin B12; Vitamin C
30g
Multivitamin supplement
1
Elements
Sample Code
Supplied as
Dispatch per Year
Analytes
Matrix
PT-BV-518
Antimony; Arsenic; Cadmium; Iron; Lead; Tin; Zinc
100ml
Orange juice test material
1
PT-BV-519
Antimony; Arsenic; Cadmium; Iron; Lead; Tin; Zinc; Calcium; Phosphorus; Potassium; Magnesium; Sodium; Aluminium; Manganese Copper; Selenium Arsenic; Cadmium; Mercury; Lead; Copper; Iron; Manganese; Nickel & Zinc; Calcium; Magnesium; Potassium; Sulphur; Phosphorus
100ml
Soft drink test material
1
PT-CA-04
10g
Simulated dried cannabis plant
1
PT-CH-42
Chloride; Iron; Magnesium; Manganese; Phosphorus; Zinc 20g
Whole milk powder
2
PT-CT-718
Total Arsenic; Cadmium; Lead
10g
Cocoa powder
2
PT-FC-780
Total Arsenic; Cadmium; Mercury; Lead; Selenium; Nickel Total Arsenic; Cadmium; Lead; Mercury
50g
Dried tea
1
PT-FC-784
50g
Cereal
1
PT-FC-785
Total Arsenic; Cadmium; Lead; Mercury
50g
Edible Oil
1
PT-FC-786
Total Arsenic; Cadmium; Lead; Mercury
50g
Dried Fruit
1
PT-FC-789
Total Arsenic; Total Inorganic Arsenic; Arsenic III; Arsenic V; Cadmium; Lead Total Arsenic; Inorganic arsenic; Cadmium; Lead
10g
Rice
1
PT-FC-827
20g
Infant fruit/vegetable purée 1
PT-FC-866
Total Arsenic; Cadmium; Lead; Mercury
10g
Ground pepper
1
PT-FC-871
Total Arsenic; Cadmium; Lead
10g
Herbs
1
PT-PH-14
Arsenic; Cadmium; Lead; Mercury
10g
Supplement
1
PT-PH-21
Calcium; Zinc; Magnesium; Copper; Manganese; Potassium; Iron; Total Chromium; Selenium; Compliance with labelling
15g
Multielement supplement 1
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Mycotoxins
Sample Code
Supplied as
Dispatch per Year
Analytes
Matrix
PT-BV-520
Patulin (corrected for recovery)
60ml
Apple juice test material
1
PT-CH-60
Aflatoxin M1
25ml
Freeze dried milk
4
PT-FC-779
Aflatoxins B1; B2; G1; G2; Total Aflatoxins
2 x 50g (spiked & blank)
Nuts
2
PT-FC-794
Aflatoxins B1; B2; G1; G2; Total Aflatoxins; Ochratoxin A 100g
Chilli powder
1
PT-FC-804
Aflatoxins B1; B2; G1; G2; Total Aflatoxins; Ochratoxin A 200g
Dried Fruit
1
PT-FC-845
Aflatoxins B1; B2; G1; G2; Total aflatoxins; Ochratoxin A; Zearalenone Aflatoxins B1; B2; G1; G2; Total aflatoxins; Ochratoxin A; Zearalenone
100g Rice
1
PT-FC-867
100g Ground corn (maize flour)
1
Additives
Sample Code
Supplied as
Dispatch per Year
Analytes
Matrix
PT-FC-760
Sorbic Acid; Benzoic Acid; Sulfur Dioxide
100ml
Liquid
2
PT-FC-761
Acesulfame K; Aspartame; Saccharin; Sucralose
100ml
Liquid
2
PT-FC-762
Ponceau 4R; Carmoisine; Sunset Yellow; Indigo Carmine
100ml
Liquid
2
PT-FC-763
Allura Red; Tartrazine; Quinoline Yellow; Brilliant Blue
100ml
Liquid
2
Allergens and related
Sample Code
Supplied as
Dispatch per Year
Analytes
Matrix
PT-FC-781
Gluten
100g
Flour
2
PT-FC-808
Almond (qualitative and/or quantitative)
2 x 20g Rice flour
1
PT-FC-809
Soy (qualitative and/or quantitative)
2 x 20g Rice flour
1
PT-FC-810
Beta-lactoglobulin (qualitative and/or quantitative)
2 x 20g Infant formula powder
1
PT-FC-820
Lactose (low level)
100g Food product
2
PT-FC-854
Gluten (qualitative and/or quantitative); Egg white protein (qualitative and/or quantitative). Milk protein (qualitative)
20g
Biscuits
1
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Antibiotics
Sample Code
Supplied as
Dispatch per Year
Analytes
Matrix
PT-CH-70
Antibiotics (beta lactams)
2 x 5ml
Freeze dried milk
4
PT-CH-71
Antibiotics (sulphonamides)
2 x 5ml
Freeze dried milk
4
PT-CH-72
Antibiotics (tetracyclines)
2 x 5ml
Freeze dried milk
4
Authenticity/Quality
Sample Code
Supplied as
Dispatch per Year
Analytes
Matrix
PT-CA-01-A Delta 9-Tetrahydrocannabinol (THC); Cannabidiol (CBD); Cannabidiolic Acid (CBDA); Cannabinol (CBN); Cannabichromene (CBC); Cannabigerol (CBG); Cannabicyclol (CBL); Cannabidivarin (CBDV); Cannabidivarinic acid (CBDVA)
10g + Blank
Hemp oil
2
PT-CA-10
Total Delta 9-Tetrahydrocannabinol (THC); Total Cannabidiol (CBD); Cannabidiolic Acid (CBDA); Cannabinol (CBN); Cannabichromene (CBC); Cannabigerol (CBG); Cannabicyclol (CBL); Total Cannabidivarin (CBDV); Cannabidivarinic acid (CBDVA) Total Delta 9-Tetrahydrocannabinol (THC; Total Cannabidiol (CBD); Cannabidiolic Acid (CBDA); Cannabinol (CBN); Cannabichromene (CBC); Cannabigerol (CBG); Cannabicyclol (CBL); Total Cannabidivarin (CBDV); Cannabidivarinic acid (CBDVA) Water; Free fatty acids; Saponification value; Unsaponifiable matter; Anisidine value; Colour; Iodine value; Peroxide value; Fatty acid composition
2g
Cannabis flower
1
PT-CA-11
5g
Cannabis oil
1
PT-FC-778
150g
Oil or fat
2
PT-FC-790 Peroxide value; Free fatty acids (Acidity); Wax content; 3,5 Stigmastadienes; Ethylesters; Total Sterols; △ -7-stigmastenol; Insoluble Impurities; Moisture and Volatile Matter at 103°C; Total Polyphenols; Fatty Acid Composition PT-FC-806 cis Alpha-linolenic acid (ALA); cis Eicosapentaenoic acid (EPA); cis Docosapentaenoic (DPA); cis Docosahexaenoic (DHA); Monounsaturated fatty acids; Polyunsaturated fatty acids; Saturated fatty acids; Total EPA+DHA Omega-3 fatty acids; Total Omega-3 fatty acids; Total Omega-6 fatty acids; Total Omega-9 fatty acids; Omega-3 : Omega-6 ratio; Total trans fatty acids; Vitamin A; Vitamin D
2 x 200ml & 1 x 50ml
Extra virgin olive oil
2
100ml
Cod liver oil
1
PT-FC-825
Confirmation of authenticity
15g
Dried oregano or ground pepper
2
PT-FC-849 Cannabidiol
3
Gummies
1
PT-FC-850 Vanillin; Ethyl alcohol; Density Refractive index at 20ºC 2 x 20ml
Vanilla extract
1
PT-PH-16
Cannabidiol
10ml of oil or 5g of powdered material
Oil or Powder
1
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Other contaminants
Sample Code
Supplied as
Dispatch per Year
Analytes
Matrix
PT-CH-65
Nitrate; Nitrite
120g Milk Powder
2
PT-FC-798
Nitrate
100g Infant vegetable food
1
PT-FC-803
Sudan IV
50g
Palm oil
1
PT-FC-805
Benzo[a]pyrene; Benz[a]anthracene; Benzo[b] fluoranthene; Chrysene; Sum of EU 4 PAHs
50ml
Vegetable oil
1
PT-FC-831
Morphine; Codeine
15g
Ground poppy seeds
1
PT-FC-886
Dyes
25g
Spices
1
PT-PH-15
Adulterants (including Sildenafil)
2 x 5g sample
Dietary supplement for sexual enhancement
1
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Microbiology indicators
Sample Code
Supplied as
Dispatch per Year
Analytes
Matrix
Total aerobic mesophilic count; Enumeration of Yeast; Mould; Lactic acid bacteria; Detection of Escherichia coli
Lyophilised test material plus 90ml Simulated Fruit Juice diluent and 10ml primary diluent Lyophilised test material plus 90ml Simulated Soft drink diluent and 10ml primary diluent Lyophilised test material final volume 1L (Diluent not provided)
Fruit Juice
4
PT-BV-500
PT-BV-501
Total aerobic mesophilic count; Enumeration of Yeast; Mould; Lactic acid bacteria; Detection of Escherichia coli
Soft drink
4
PT-BV-505
Total aerobic mesophilic count; Enumeration of Yeast; Mould; Lactic acid bacteria; Detection of Escherichia coli
Filtration
2
PT-CT-713
Total aerobic mesophilic count; Enumeration of Enterococci; Enterobacteriaceae; Coliforms; Yeast; Mould Total aerobic mesophilic count; Detection of Coliforms; Escherichia coli; Enterobacteriaceae
10g
Cocoa powder
2
PT-GL-602
10g
Gelatine
3
PT-GL-607
Enumeration of Yeast; Mould
10g
Gelatine
1
PT-MC-16D
Total aerobic mesophilic count; Enumeration of Coliforms; Enterobacteriaceae; Escherichia coli Total aerobic mesophilic count; Enumeration of Coliforms; Enterobacteriaceae; Escherichia coli Detection of Escherichia coli; Enterobacteriaceae; Coliforms Detection of Escherichia coli ; Enterobacteriaceae; Coliforms
10g
Skimmed milk powder 12
PT-MC-16F
10g
Oatmeal
12
PT-MC-18D
10g
Skimmed milk powder 2
PT-MC-18F
10g
Oatmeal
2
PT-MC-20D
Enumeration of Escherichia coli ; Thermotolerant coliforms Enumeration of Escherichia coli ; Thermotolerant coliforms
10g
Skimmed milk powder 2
PT-MC-20F
10g
Oatmeal
1
PT-MC-23D
Enumeration of Yeast; Mould; Yeast and Mould (ISO 21527-1) Enumeration of Yeast; Mould; Yeast and Mould (ISO 21527-1) Total aerobic mesophilic count; Enumeration of Coliforms; Coagulase positive staphylococci; Yeast; Mould; Yeast and Mould Total aerobic microbial count; Total bacterial count; Detection and/or Enumeration of Staphylococcus aureus ; Escherichia coli ; Biletolerant gram-negative bacteria Total aerobic microbial count Detection and/or Enumeration of Staphylococcus aureus ; Bile tolerant gram - negative organisms; Escherichia coli Detection and/or Enumeration of Pseudomonas aeruginosa ; Candida albicans ; Y east; M ould; Y east and M ould
10g
Skimmed milk powder 8
PT-MC-23F
10g
Oatmeal
5
PT-MC-29
Vial + 10g
Tea
1
PT-PH-04A
10ml (final test quantity 100ml)
Pharmaceutical product (Lyophilised test material)
2
PT-PH-24
10ml vial + 10g medicinal herb
Medicinal herb
1
PT-PH-25
10ml vial + 10g medicinal herb
Medicinal herb
1
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Pathogens
Sample Code
Supplied as
Dispatch per Year
Analytes
Matrix
Detection of Salmonella species; Listeria monocytogenes; Escherichia coli O157
Lyophilised test material plus 100ml Simulated Fruit Juice
Fruit Juice
1
PT-BV-507
PT-CT-714
Detection of Salmonella species
25g
Cocoa powder
2
PT-GL-601
Detection of Salmonella species
medicinal herb
Gelatine
3
PT-GL-604
Detection of Staphylococcus aureus
10g
Gelatine
3
PT-MC-06D Detection of Salmonella species
25g
Skimmed milk powder 4
PT-MC-06F
Detection of Salmonella species
25g
Oatmeal
8
PT-MC-06HB Detection of Salmonella species
Vial + 25g
Herb
2
PT-MC-06NS Detection of Salmonella species
Vial + 25g
Seeds and Nuts
1
PT-MC-06SP Detection of Salmonella species
Vial + 25g
Spice
2
PT-MC-06TE Detection of Salmonella species
Vial + 25g
Tea
1
PT-MC-06VG Detection of Salmonella species
25g
Salad and Vegetables
1
PT-MC-17D
Enumeration of Staphylococcus species; Coagulase positive staphylococci; Bacillus species; Bacillus cereus Enumeration of Staphylococcus species; Coagulase positive staphylococci; Bacillus species; Bacillus cereus
10g
Skimmed milk powder 6
PT-MC-17F
10g
Oatmeal
12
PT-MC-22D
Detection of Escherichia coli O157 (non-toxigenic strain) Detection of Escherichia coli O157 (non-toxigenic strain) Detection of Salmonella species
25g
Skimmed milk powder 1
PT-MC-22F
25g
Oatmeal
3
PT-PH-26
10ml vial + 10g medicinal herb
Medicinal herb matrix
1
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AXIO | Proficiency Testing schemes 2025
Proficiency Testing Samples by Matrix 23 Dietary supplements 24 Cereals 25 Cocoa 25 Gelatine 25 Herbs & spices 26 Infant food 27 Milk 28 Cannabis related 28 Food product 29 Oil 30 Simulated matrix 30 Vegetals 31 Beverages
22 lgcstandards.com/AXIO
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Products by Matrix Dietary supplements
Sample Code
Dispatch per Year
Supplied as
Matrix
Analytes
PT-PH-04A
10ml (final test quantity 100ml)
Pharmaceutical product (Lyophilised test material)
Total aerobic microbial count; Total bacterial count; Detection and/or Enumeration of Staphylococcus aureus ; Escherichia coli ; Biletolerant gram-negative bacteria 2
PT-PH-14
10g
Dietary Supplement
Arsenic; Cadmium; Lead; Mercury
1
PT-PH-15
2 x 5g sample
Supplement
Adulterants (including Sildenafil)
1
PT-PH-20
30g
Multivitamin supplement Vitamin B1; Vitamin B2; Vitamin B3; Vitamin B5; Vitamin B6; Folic acid; Biotin; Vitamin B12; Vitamin C 1
PT-PH-21
15g
Multielement supplement Calcium; Zinc; Magnesium; Copper; Manganese; Potassium; Iron; Total Chromium; Selenium; Compliance with labelling
1
Detection and/or Enumeration of Staphylococcus aureus ; Bile tolerant gram - negative organisms; Escherichia coli Detection and/or Enumeration of Pseudomonas aeruginosa; Candida albicans ; Y east; M ould; Y east and M ould
PT-PH-24
10ml vial + 10g medicinal herb
Medicinal herb matrix Total aerobic microbial count Medicinal herb matrix
1
PT-PH-25
10ml vial + 10g medicinal herb
1
PT-PH-26
10ml vial + 10g medicinal herb
Medicinal herb matrix
Detection of Salmonella species
1
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AXIO | Proficiency Testing schemes 2025
Cereals
Sample Code
Dispatch per Year
Supplied as
Matrix
Analytes
PT-FC-770 100g
Cereal
Energy; Fat; Carbohydrate; Total Sugars; Total Dietary Fibre; Protein; Salt; Sodium; Ash; Moisture; Phosphate; Magnesium; Potassium; Zinc
4
PT-FC-771
200g
Cereal
Vitamin A; B1 (Thiamine); B2 (Riboflavin); B3 (Niacin); B5 (Pantothenic Acid); B6; B9 (Folic acid); B12; C; D; Iron 2
PT-FC-775
100g
Flour
Fat; Protein; Total dietary fibre; Ash; Moisture; Calcium; Iron
2
PT-FC-781
100g
Flour
Gluten
2
PT-FC-784 50g
Cereal
Total Arsenic; Cadmium; Lead; Mercury
1
PT-FC-789 10g
Rice
Total Arsenic; Total Inorganic Arsenic; Arsenic III; Arsenic V; Cadmium; Lead
1
PT-FC-808 2 x 20g
Rice flour
Almond (qualitative and/or quantitative)
1
PT-FC-809 2 x 20g
Rice flour
Soy (qualitative and/or quantitative)
1
PT-FC-832
100g
Non-wheat flour
Fat; Protein; Total dietary fibre; Ash; Moisture; Calcium Aflatoxins B1; B2; G1; G2; Total aflatoxins; Ochratoxin A; Zearalenone
3
PT-FC-845 100g
Rice
1
PT-FC-867 100g
Ground corn (maize flour) Aflatoxins B1; B2; G1; G2; Total aflatoxins; Ochratoxin A; Zearalenone
1
PT-MC-06F 25g
Oatmeal
Detection of Salmonella species
8
PT-MC-16F 10g
Oatmeal
Total aerobic mesophilic count; Enumeration of Coliforms; Enterobacteriaceae; Escherichia coli Enumeration of Staphylococcus species; Coagulase positive staphylococci; Bacillus species; Bacillus cereus Detection of Escherichia coli ; Enterobacteriaceae; Coliforms
12
PT-MC-17F 10g
Oatmeal
12
PT-MC-18F 10g
Oatmeal
2
PT-MC-20F 10g
Oatmeal
Enumeration of Escherichia coli ; Thermotolerant coliforms
1
PT-MC-22F 25g
Oatmeal
Detection of Escherichia coli O157 (non-toxigenic strain) 3
PT-MC-23F 10g
Oatmeal
Enumeration of Yeast; Mould; Yeast and Mould (ISO 21527-1)
5
24 lgcstandards.com/AXIO
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Cocoa
Sample Code
Dispatch per Year
Supplied as
Matrix
Analytes
PT-CT-713
10g
Cocoa powder
Total aerobic mesophilic count; Enumeration of Enterococci; Enterobacteriaceae; Coliforms; Yeast; Mould
2
Detection of Salmonella species
2
PT-CT-714
25g
Cocoa powder
PT-CT-716
150g
Cocoa powder
Energy; Fat; Saturates; Total nitrogen; Carbohydrate; Total sugars; Fructose; Glucose; Sucrose; Salt (from sodium); Sodium; Ash; Moisture; Theobromine; Caffeine; pH 3
PT-CT-718
10g
Cocoa powder
Total Arsenic; Cadmium; Lead
2
Gelatine
Sample Code
Dispatch per Year
Supplied as
Matrix
Analytes
Detection of Salmonella species
3
PT-GL-601
25g
Gelatine
PT-GL-602 10g
Gelatine
Total aerobic mesophilic count; Detection of Coliforms; Escherichia coli ; Enterobacteriaceae
3
PT-GL-604 10g
Gelatine
Detection of Staphylococcus aureus
3
PT-GL-607 10g
Gelatine
Enumeration of Yeast; Mould
1
Herbs & spices
Sample Code
Dispatch per Year
Supplied as
Matrix
Analytes
PT-FC-780 50g
Dried tea
Total Arsenic; Cadmium; Mercury; Lead; Selenium
1
PT-FC-794 100g
Chilli powder
Aflatoxins B1; B2; G1; G2; Total Aflatoxins; Ochratoxin A Moisture; Total ash; Crude fibre, insoluble index; Volatile oil; Piperine content; Acid insoluble ash; Non volatile ether extract; Water activity
1
PT-FC-815
200g
Ground pepper
2
PT-FC-825 15g
Dried oregano or ground pepper
Confirmation of authenticity
2
PT-FC-829 100g
Dried tea
Water extract; Total ash; Water soluble ash; Crude fibre; Moisture; Caffeine Vanillin; Ethyl alcohol; Density Refractive index at 20ºC Moisture; Sulfur dioxide; Allicin; Ash (total); Acid insoluble ash Total Arsenic; Cadmium; Lead; Mercury
2
PT-FC-850 2 x 20ml
Vanilla extract
1
PT-FC-861
150g
Garlic powder
1
PT-FC-866 10g
Ground pepper
1
PT-FC-868 20g
Spices
Ethylene oxide; 2-chloroethanol as a sum of ethylene oxide and 2-CE; Ethylene oxide; 2 chloroethanol 1
PT-FC-871
10g
Herbs
Total Arsenic; Cadmium; Lead
1
PT-FC-879 100g
Herbs
Moisture; Acid Insoluble Ash; Ash; Volatile Oil; Water activity
2
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Continued from previous page
Sample Code
Dispatch per Year
Supplied as
Matrix
Analytes
PT-FC-886 25g
Spices
Dyes
1
PT-MC-06HB Vial + 25g
Herb
Detection of Salmonella species
2
PT-MC-06SP Vial + 25g
Spice
Detection of Salmonella species
2
PT-MC-06TE Vial + 25g
Tea
Detection of Salmonella species
1
Vial + 10g
Tea
Total aerobic mesophilic count; Enumeration of Coliforms; Coagulase positive staphylococci; Yeast; Mould; Yeast and Mould 1
PT-MC-29
Infant food
Sample Code
Dispatch per Year
Supplied as
Matrix
Analytes
PT-FC-798 100g
Infant vegetable food Infant formula powder Infant formula powder
Nitrate
1
PT-FC-810
2 x 20g
Beta-lactoglobulin (qualitative and/or quantitative)
1
PT-FC-823
50g
Alanine (free); Arginine (free); Aspartic acid (free); Glutamic acid (free); Glycine (free); Histidine (free); Isoleucine (free); Leucine (free); Lysine (free); Phenylalanine (free); Proline (free); Serine (free); Threonine (free); Tyrosine (free); Valine (free); Cystein; Cystine (sum of); Methionine (free); Tryptophan (total) 1
PT-FC-827
20g
Infant fruit/ vegetable purée
Total Arsenic; Inorganic arsenic; Cadmium; Lead
1
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Milk
Sample Code
Dispatch per Year
Supplied as
Matrix
Analytes
PT-CH-42
20g
Whole milk powder Milk Powder
Chloride; Iron; Magnesium; Manganese; Phosphorus; Zinc
2
PT-CH-44
20g
Vitamin A; B12; C; D; E
2
PT-CH-60
25ml
Freeze dried milk Aflatoxin M1
4
PT-CH-65
120g
Milk Powder
Nitrate; Nitrite
2
PT-CH-70
2 x 5ml
Freeze dried milk Antibiotics (beta lactams)
4
PT-CH-71
2 x 5ml
Freeze dried milk Antibiotics (sulphonamides)
4
PT-CH-72
2 x 5ml
Freeze dried milk Antibiotics (tetracyclines)
4
PT-MC-06D
25g
Skimmed milk powder Skimmed milk powder Skimmed milk powder Skimmed milk powder Skimmed milk powder Skimmed milk powder Skimmed milk powder
Detection of Salmonella species
4
Total aerobic mesophilic count; Enumeration of Coliforms; Enterobacteriaceae; Escherichia coli 12
PT-MC-16D
10g
Enumeration of Staphylococcus species; Coagulase positive staphylococci; Bacillus species; Bacillus cereus
6
PT-MC-17D
10g
10g
Detection of Escherichia coli ; Enterobacteriaceae; Coliforms Enumeration of Escherichia coli ; Thermotolerant coliforms Detection of Escherichia coli O157 (non-toxigenic strain)
2
PT-MC-18D
2
PT-MC-20D
10g
1
PT-MC-22D
25g
PT-MC-23D
10g
Enumeration of Yeast; Mould; Yeast and Mould (ISO 21527-1)
8
lgcstandards.com/AXIO 27
AXIO | Proficiency Testing schemes 2025
Cannabis related
Sample Code
Dispatch per Year
Supplied as
Matrix
Analytes
PT-CA-01-A
10g + Blank
Hemp oil
Delta 9-Tetrahydrocannabinol (THC); Cannabidiol (CBD); Cannabidiolic Acid (CBDA); Cannabinol (CBN); Cannabichromene (CBC); Cannabigerol (CBG); Cannabicyclol (CBL); Cannabidivarin (CBDV); Cannabidivarinic acid (CBDVA)
2
Arsenic; Cadmium; Mercury; Lead; Copper; Iron; Manganese; Nickel & Zinc; Calcium; Magnesium; Potassium; Sulphur; Phosphorus 1
PT-CA-04
10g
Simulated dried cannabis plant
PT-CA-10
2g
Cannabis flower Total Delta 9-Tetrahydrocannabinol (THC); Total Cannabidiol (CBD); Cannabidiolic Acid (CBDA); Cannabinol (CBN); Cannabichromene (CBC); Cannabigerol (CBG); Cannabicyclol (CBL); Total Cannabidivarin (CBDV); Cannabidivarinic acid (CBDVA) 1
PT-CA-11
5g
Cannabis oil
Total Delta 9-Tetrahydrocannabinol (THC; Total Cannabidiol (CBD); Cannabidiolic Acid (CBDA); Cannabinol (CBN); Cannabichromene (CBC); Cannabigerol (CBG); Cannabicyclol (CBL); Total Cannabidivarin (CBDV); Cannabidivarinic acid (CBDVA) 1
PT-FC-849
3
Gummies
Cannabidiol
1
PT-PH-16
10ml of oil or 5g of powdered material
Oil or Powder
Cannabidiol
1
Food product
Sample Code
Dispatch per Year
Supplied as Matrix
Analytes
PT-FC-801
200g
Honey
Moisture; Electrical conductivity; Ash; pH; Free acidity; Hydroxymethylfurfural (HMF); Diastase enzymatic activity (Diastase number); Fructose; Glucose; Sucrose; Water insoluble solids; Apparent reducing sugars 2
PT-FC-820
100g
Food product
Lactose (low level)
2
PT-FC-854
20g
Biscuits
Gluten (qualitative and/or quantitative); Egg white protein (qualitative and/or quantitative); Milk protein (qualitative)
1
PT-FC-864
25g
Tomato paste Vitamin A; Colour
1
28 lgcstandards.com/AXIO
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Oil
Sample Code
Dispatch per Year
Supplied as
Matrix
Analytes
PT-FC-778
150g
Oil or fat
Water; Free fatty acids; Saponification value; Unsaponifiable matter; Anisidine value; Colour; Iodine value; Peroxide value; Fatty acid composition 2
PT-FC-785
50g
Edible Oil
Total Arsenic; Cadmium; Lead; Mercury
1
Peroxide value; Free fatty acids (Acidity); Wax content; 3,5 Stigmastadienes; Ethylesters; Total Sterols; △ -7- stigmastenol; Insoluble Impurities; Moisture and Volatile Matter at 103°C; Total Polyphenols; Fatty Acid Composition 2 Free fatty acids (Acidity); K270; Wax content; beta;- sitosterol (apparent); Campesterol; Erythrodiol; Uvaol; Accelerated Oxidation test (Rancimat) at 120°C; 2-glyceryl monopalmitate; Fatty Acid composition 2
PT-FC-790
2 x 200ml & 1 x 50ml
Extra virgin olive oil
PT-FC-791
2 x 200ml
Olive oil
PT-FC-803
50g
Palm oil
Sudan IV
1
PT-FC-805
50ml
Vegetable oil
Benzo[a]pyrene; Benz[a]anthracene; Benzo[b] fluoranthene; Chrysene; Sum of EU 4 PAHs 1 cis Alpha-linolenic acid (ALA); cis Eicosapentaenoic acid (EPA); cis Docosapentaenoic (DPA); cis Docosahexaenoic (DHA); Monounsaturated fatty acids; Polyunsaturated fatty acids; Saturated fatty acids; Total EPA+DHA Omega-3 fatty acids; Total Omega-3 fatty acids; Total Omega-6 fatty acids; Total Omega-9 fatty acids; Omega-3 : Omega-6 ratio; Total trans fatty acids; Vitamin A; Vitamin D 1
PT-FC-806
100ml
Cod liver oil
lgcstandards.com/AXIO 29
AXIO | Proficiency Testing schemes 2025
Simulated matrix
Sample Code
Dispatch per Year
Supplied as Matrix
Analytes
PT-FC-760
100ml
Liquid
Sorbic Acid; Benzoic Acid; Sulfur Dioxide
2
PT-FC-761
100ml
Liquid
Acesulfame K; Aspartame; Saccharin; Sucralose
2
PT-FC-762
100ml
Liquid
Ponceau 4R; Carmoisine; Sunset Yellow; Indigo Carmine
2
PT-FC-763
100ml
Liquid
Allura Red; Tartrazine; Quinoline Yellow; Brilliant Blue
2
Vegetals
Sample Code
Dispatch per Year
Supplied as Matrix
Analytes
PT-FC-779
2 x 50g (spiked & blank)
Nuts
Aflatoxins B1; B2; G1; G2; Total Aflatoxins
2
PT-FC-786
50g
Dried Fruit
Total Arsenic; Cadmium; Lead; Mercury
1
PT-FC-804
200g
Dried Fruit
Aflatoxins B1; B2; G1; G2; Total Aflatoxins; Ochratoxin A
1
PT-FC-830
20g
Fruit/vegetable purée Ground poppy seeds Seeds and Nuts
Vitamin C (as ascorbic acid)
1
PT-FC-831
15g
Morphine; Codeine
1
PT-MC-06NS Vial + 25g
Detection of Salmonella species
1
PT-MC-06VG 25g
Salad and Vegetables
Detection of Salmonella species
1
30 lgcstandards.com/AXIO
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Beverages
Sample Code
Dispatch per Year
Supplied as
Matrix
Analytes
4
PT-BV-500
Lyophilised test material plus 90ml Simulated Fruit Juice diluent and 10ml primary diluent Lyophilised test material plus 90ml Simulated Soft drink diluent and 10ml primary diluent Lyophilised test material final volume 1L (Diluent not provided) Lyophilised test material plus 100ml Simulated Fruit Juice
Fruit Juice Total aerobic mesophilic count; Enumeration of Yeast; Mould; Lactic acid bacteria; Detection of Escherichia coli
PT-BV-501
Soft drink
Total aerobic mesophilic count; Enumeration of Yeast; Mould; Lactic acid bacteria; Detection of Escherichia coli Total aerobic mesophilic count; Enumeration of Yeast; Mould; Lactic acid bacteria; Detection of Escherichia coli
4
PT-BV-505
Filtration
2
PT-BV-507
Fruit Juice Detection of Salmonella species; Listeria monocytogenes; Escherichia coli O157
1
PT-BV-510
125ml
Fruit Juice Brix; Acidity (as Citric Acid Monohydrate); pH; Fructose; Glucose; Calcium; Phosphorus; Potassium; Magnesium; Sodium
4
PT-BV-514
100ml
Liquid test material Soft Drink
Ascorbic Acid (Vitamin C)
2
PT-BV-515
2 x 330ml
Brix; Acidity (as Citric Acid Monohydrate); pH; Carbon Dioxide; Fructose; Glucose; Sucrose Sample A: Benzoic Acid; Caffeine; Sulfur Dioxide (Free and Total); Sorbic Acid (as free acid); Phosphoric Acid Sample B: Acesulfame K; Aspartame; Cyclamic acid (as free acid); Saccharin (as free imide); Sucralose Antimony; Arsenic; Cadmium; Iron; Lead; Tin; Zinc
4
PT-BV-516
2 x 250ml
Soft Drink degassed
4
PT-BV-518
100ml
Orange juice test material Soft drink test material Apple juice test material Soft drink test material
1
PT-BV-519
100ml
Antimony; Arsenic; Cadmium; Iron; Lead; Tin; Zinc; Calcium; Phosphorus; Potassium; Magnesium; Sodium; Aluminium; Manganese Copper; Selenium 1
PT-BV-520
60ml
Patulin (corrected for recovery)
1
PT-BV-521
250ml
Nicotinamide (Vitamin B3); Pantothenic acid (Vitamin B5); Pyridoxine (Vitamin B6); Cyanocobalamin (Vitamin B12); Ascorbic acid (Vitamin C); DL- α -Tocopherol (Vitamin E); Riboflavin (Vitamin B2)
1
PT-BV-527
250ml
Ready to drink beverage
Vitamin E; Vitamin A
1
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