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New classification of manganese additives in EU


Dunboye (Ireland) – The European Commission published the new implementing regulation for the reauthorisation of manganese feed additives in the European Union (EU). This new regulation permits the use of manganese feed additives for a further period of 10 years. One significant change is the introduction of a new classification of manganese chelate called manganese chelate of protein hydrolysates.

Trace elements

The introduction of this new classification was in response to a feed additive application received by the European Commission from a sub-group of five members of the European Economic Interest Group – Trace Elements Consortium (TREAC), one of which is Alltech. As with the 2016 authorisation of zinc additives, the TREAC consortium requested that the European Commission introduce the term manganese chelate of protein hydrolysates as this more accurately describes the type of manganese chelate formed upon the binding of a soluble manganese mineral with hydrolysed soy protein.


Dr. Gerry Dillon, EU regulatory affairs manager at Alltech, welcomed the new authorisation. “The authorisation of manganese chelate of protein hydrolysates comes as a result of a lot of work from the TREAC consortium over many years,” said Dillon. “We are pleased that EFSA and the European Commission have given their support and approval as this will allow us to market manganese chelate of protein hydrolysates for many years to come.”

“Chelated products are those that supply organic trace elements such as manganese in a form as close to nature as possible and are known to have greater nutritional bioavailability whilst lowering the rates of trace mineral excretion,” he continued.

The consortium validated and verified an analytical method that can determine the precise amount of manganese chelate of protein hydrolysates in the chelated organic form.


“This recently developed technology, which employs Fourier Transform Infrared (FTIR) spectrometry, represents the first time that a manganese chelate feed additive can be quantitatively determined,” said Dillon. “Manufacturers and farmers can therefore be reassured that the manganese mineral they receive when they buy manganese chelates of protein hydrolysate has been analytically proven to contain manganese in the organic chelated form unlike blended products which can contain unbound inorganic mineral and soy flour. This feature is important for safeguarding against fraud in the marketplace and provides feed compounders and farmers with the assurance of receiving a product of genuine quality.”

Solid-state technique

“FTIR is a non-destructive solid-state technique, which holds a benefit over traditional methods in that it can analyse samples directly,” said Dillon. “Traditional methods, which require extraction into a liquid phase, can give inaccurate results, as only the soluble fraction can be analysed or the chelate dissociates in the liquid medium. The FTIR methodology has been reviewed and approved by the European Commission and the EU Reference Laboratories, and, in conclusion, the application of the method can not only demonstrate the quality of manganese chelates, but provides assurance in safeguarding against the inadvertent use of fraudulent products circulated in the EU feed additive market.”


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