Nickel Occurrence in a Livestock Food Chain (Northwestern Italy)
2020
Nickel (Ni) is an essential element in plants and animals, but elevated levels can exert toxicity in living beings, as recently highlighted by the European Food Safety Authority opinion. However, literature regarding the presence of nickel in the environment is scarce. In 2016, the EU Commission Recommendation n°1110 recommended monitoring the presence of Ni in feed in order to set maximum levels or to adopt other risk management measures to ensure a high level of animal health protection and consequently of human health. A total of 200 samples of feedingstuffs, drinking water, and milk were collected from dairy cow farms in Piedmont, and analyzed for Ni concentration by Z-ETA-AAS. Results showed the presence of nickel in feedingstuffs in a range from 0.20 to 16 mg/kg, while Ni concentrations in water and milk were close to or below the limit of quantitation. There was no carry-over from feed to milk in this food chain. Nickel concentrations were not of concern for animal health despite being in the upper range of those observed in vegetables from Europe.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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