Premier Analytical Services

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Chemical Contaminants Detection Services

Agrochemicals: Pesticides  - Allergens  - Heavy Metals  - Illegal Dyes  - Melamine  - Acrylamide  - Food Contact Materials  - Natural Toxins: Mycotoxins, Plant Toxins, Bacterial Toxins

Process contaminants

Process contaminants are substances that can form as a result of chemical changes in foods brought about by the processes used during manufacture e.g. cooking, drying, fermentation and smoking. While the formation of undesirable substances in foods as a result of processing has been known for some time (e.g. chloropropanols in savoury flavours produced by acid hydrolysis, N-nitroso compounds in cured meats), the occurrence of other process contaminants in foods such as acrylamide, glycidyl fatty acid esters and fatty acid esters of monochloropropanediols (MCPDs) are relatively recent and significant developments that continue to challenge the food industry and regulators alike.

Premier Analytical Services is one of the leading food testing centres in Europe, providing routine and research analytical services in the areas of food characterisation, authenticity and safety.

A dedicated team with more than 30 years’ experience in trace contaminants research and testing provides our Process Contaminants service. We have the capability to analyse a wide variety of food samples, including complex and often problematic food matrices and provide results quickly where required. Our clients include Food Regulators, Food retailers as well as blue chip food manufacturers from around the world. The majority of our process contaminant methods are UKAS accredited and we regularly participate in food Proficiency Testing Schemes such as FAPAS so you can be assured of the highest quality results. To obtain an information sheet or to request a quotation, please contact us.

 

Process Contaminant

UKAS accredited

Detection method

Products covered (typically)

Acrylamide

YES

GC/MS/MS

Aqueous beverages

Aqueous extracts from food contact materials

Cereal grains (wheat, barley and malted ingredients)

Cereal products (e.g. bread, cakes, biscuits, fried snack products)

Coffee and coffee substitutes

Cocoa powders

Potato products (e.g. crisps, French fries, snack products)

Other vegetable products

Chloropropanols:

1,3-DCP

2,3-DCP

2-MCPD

3-MCPD

 

YES

GC/MS/MS

Food ingredients (e.g. bread crumbs, bouillon, caramels, fats/oils, flavourings, gelatine, glycerol, hydrolysed protein products, malt extracts, meat extracts, modified starches, soy sauce, water, yeast extracts).

Foods (e.g. beverages, cereal products, confectionery, dairy (not DCPs), meat products, soups & gravies

Food contact materials (e.g. aqueous infusions of food contact materials such as teabag & coffee filter papers, paper and other board & board food contact materials)

MCPD esters:

Bound 2-MCPD

Bound 3-MCPD

YES

GC/MS/MS

Fats and oils

Cereal products

Potato products

Ethyl carbamate

YES

GC/MS/MS

Cereal products (e.g. bread / toasted bread)

Aqueous beverages

Alcoholic beverages (e.g. wine and spirit drinks)

Soy sauces

Furans:

Furan

2-methylfuran

3-methylfuran

(sum of) 2-ethyl-furan & 2,5-dimethyl furan

YES (furan only)

GC/MS (SIM)

Canned and jarred foods (e.g. baby foods, jams, sauces, fruit, vegetables)

Cereal products (e.g. bread, biscuits, breakfast cereals

Coffee & coffee substitutes

Potato & other vegetable based crisps and snacks

N-Nitroso compounds

Apparent total nitrosocompounds (ATNC)

NO

Chemical stripping /  Chemiluminescence

Cooked meats (e.g. bacon)

Beer

Cured meat and fish

Soups, gravies and bouillon

Malted beverages

Pickled products

Nitrosamines:

NDMA

NMEA

NDEA

NDPA

NMOR

NPYR

NPIP

NDBA

(Submitted for accreditation)

GC/MS/MS

GC-TEA

Cooked meats (e.g. bacon)

Beer

Cured meat and fish

Soups, gravies and bouillon

Malted beverages

Pickled products

Packaging contaminants

Packaging is an indispensable element in the food manufacturing process utilising a wide range of virgin and recycled materials such as adhesives, ceramics, elastomers & rubbers, glass, inks & varnishes, metals and alloys, paper & board (including recycled), paraffin waxes and microcrystalline waxes, plastics (including recycled), regenerated cellulose, textiles & wood (including cork). Ingredients comprising plastics (e.g. monomers, catalysts, solvents and additives) comprise some 2000+ substances alone, many of which do not have a full toxicological evaluation. Hence the potential migration of substances from packaging into foods can represent a significant food safety (and quality) risk to consumers and brands.

Premier Analytical Services is one of the leading food testing centres in Europe, providing routine and research analytical services in the areas of food characterisation, authenticity and safety.

A dedicated team with more than 30 years’ experience in trace contaminants testing provides our Packaging contaminants service. We have a wide range of sampling techniques available for different types of food contact materials and the foods contained therein as well as specific tests to assess the migration potential of printed packaging. Our clients include printers and converters as well as blue chip food manufacturers. To obtain an information sheet or to request a quotation, please contact us.

 

The range of packaging contaminants analysed by Premier Analytical Services (non-accredited)

 

Packaging Contaminant

Detection method

Limit of detection (typical)

Products covered (typically)

Bisphenol A

 

GC/MS (SIM)

2.5 ng/g

Beverages

Canned & jarred food products (e.g. dairy, fruit, honey, preserves, ready meals, sauces, vegetables)

Diisopropylnaphthalenes (DIPN, individual isomers)

GC/MS/MS

<0.1 mg/kg total DIPN

Paper & board food contact materials and food products contained therein

Photoinitiators (PIs):

Benzophenone

1-Hydroxy-cyclohexyl-phenyl-ketone (Irgacure 184)

Ethyl 4-(dimethylamino)benzoate

4-Methylbenzophenone

2,2-Dimethoxy-2-phenylacetophenone (Irgacure 651)

Methyl-2-benzoyl-benzoate

2-Ethylhexyl 4-(dimethylamino)benzoate

2-Methyl-1-[4-(methylthio)phenyl]-2-(4-morpholinyl)-1-propanone (Irgacure 907)

2-Isopropylthioxanthone (2-ITX)

4-Benzoyl biphenyl

2,4-Diethyl-9H-thioxanthen-9-one (DETX)

GC/MS/MS

<0.01 mg/kg (each PI)

Paper & board food contact materials and food products contained therein

 

Mycotoxins

Chloropropanols

Acrylamide

Illegal Dyes

Melamine

Bacterial Toxins

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