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Multiresidue Determination of Veterinary Medicines in Lyophilized Egg Albumen With Subsequent Consumer Exposure Evaluation

Multiresidue Determination of Veterinary Medicines in Lyophilized Egg Albumen With Subsequent Consumer Exposure Evaluation

Marta Piątkowska, Małgorzata Gbylik-Sikorska, Anna Gajda, Piotr Jedziniak, Tomasz Błądek, Jan Żmudzki, Andrzej Posyniak

Food Chem. 2017 Aug 15;229:646-652.

PMID: 28372226

Abstract:

The process of lyophilization causes that the veterinary drugs residues present in egg albumen do not decompose, as it takes place during the process of high-temperature drying. Thus, lyophilized albumen may be a potential source of their residues for consumers. As a consequence, reliable methods for the determination of veterinary medicinal products from egg albumen are needed. The method for the determination of 85 analytes in lyophilized egg albumen was developed and successfully validated. The recoveries were between 84 and 110%, within laboratory repeatability and reproducibility - in the range of 3.29-16.8% and -5.93 to 19.3%. The presence of enrofloxacin and doxycycline was confirmed in real egg albumen samples. The concentrations ranged from 5.65-596µg/kg for doxycycline to 0.89-134µg/kg for enrofloxacin. Nevertheless, the evaluated daily intake and % of the ADI (Acceptable Daily Intake) received by the consumers' were at a toxicologically accepted level.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP24390145-A	Doxycycline, Hyclate - CAS 24390-14-5		24390-14-5	Price

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