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Validation and accreditation of new methods

Tentamus Agriparadigma has validated and accredited 3 new methods of particular interest to public health and to control plant protection products residues and impurities.


Analysis of phosphine (hydrogen phosphorus) residue in food and feed – Limit of quantification: 0.003 mg/kg

Phosphine is one of the most widely used fumigants worldwide. European legislation provides for maximum residue limits, which are applied to both phosphine and phosphides. These limits are set to the 0.01 – 0.7 mg/kg range, depending on the type of product. Feed monitoring is crucial to ensure the safety and quality of products of animal origin intended for human consumption. And it must be carried out along the entire production chain, from raw materials to finished products. Feeds are used for livestock, hence for the production of products of animal origin which we consume on our tables.


Analysis of glyphosate, AMPA and glufosinate residues in fresh waters – Limit of quantification: 0.05 µg/l

Glyphosate is a non-selective post-emergent systemic herbicide. Unlike other products, it is absorbed by leaves (systemic product), but subsequently translocated mainly via phloem to any other section of the plant. This gives glyphosate a characteristic of fundamental importance: being able to devitalise also the organs of hypogeal conservation of weeds (such as rhizomes, fleshy taproots, etc.), which could not be devitalised in any other way. Indeed, its extensive use over time depends on this, thus massively impacting the aquifer contaminated by glyphosate residues. In this respect, it becomes extremely important to analyse this molecule in the aforementioned matrix, which is essential to human beings and their survival.


Filth tests in food

The method 170 AGRI (already used internally in our Labs) has been implemented to extend filth test accreditation to matrices other than cereals and derivatives, which were already accredited with the official method. The new method is able to detect solid impurities derived from animal contamination (insects, insect fragments, rodent hair) in a wide range of food matrices – from vegetables to dried and dehydrated fruit, up to spices, honey, etc. And it proves to be a valid and helpful tool to assess the hygienic quality of the product and of the raw materials used for its production.


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