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This reference material is maize, which is provided as maize flour. This material is a key ingredient within many cooking techniques and recipes, and as such is a staple of many processed foods. As such contaminants within maize can quickly pass into foodstuffs to be consumed, leading to potential health risks as mentioned.
Mycotoxins are toxic chemicals produced by specific fungi which infect crops. Different fungal species produce mycotoxins of widely varying toxicity to humans and animals. Thus there are legal limits for some mycotoxins in wheat for human consumption and EU guidance limits for grain intended for animal feedstuffs. It is estimated that 25% of the world's food crops are affected, resulting in large commercial losses. Mycotoxins can cause serious health problems (including some being suspected carcinogens) and so are tightly regulated across the world. Mycotoxin contamination is the largest cause of rapid alerts raised against imported food products and so Fapas has introduced multi-mycotoxin proficiency tests as well as those for emerging mycotoxins. The most common mycotoxins of concern are deoxynivalenol (DON) and zearalenone (ZON). These are associated with fusarium infection of the crop in the field. HT-2 and T-2 mycotoxins are sometimes found in cereals and legal limits are currently under consideration. Ochratoxin A (OTA) is normally associated with poor storage conditions. There are legal maximum limits for OTA in various human foodstuffs.
Many of the analytes within this proficiency test are highly regulated, with the mycotoxins, Aflatoxin B1, Deoxynivalenol, Zearalenone and Ochratoxin A, heavily regulated by the Commission Regulation (EC) No 1881/2006 of 19 December 2006.
Reference materials offer key advantages for laboratories, over and above that of quality control materials. With an improved degree of characterisation compared to proficiency tests or quality control materials, reference materials have a plethora of uses, including method calibration.
They also have a defined chain of traceability, so you know exactly what is in your reference materials. This is further supported through our reference materials associated data sheet which covers its reference values and expanded uncertainty. This datasheet is invaluable for method validation or verification as well as an effective tool for staff training, to standardise your testing processes.
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