Stability of antibiotics in milk samples during storage

• Autorzy: Rozanska H. , Osek J.
• Języki publikacji: EN

Abstrakty

EN

Raw, inhibitors free milk was spiked with penicillin G, ampicillin, cloxacillin, and ceftiofur at the levels 1 × MRL, 1.5 × MRL, and 2 × MRL, and oxytetracycline at the levels 100 ppb (MRL), 500 ppb and 700 ppb. The samples were stored at 4 ± 2°C and -18 ± 2°C and were tested every day and week, respectively. The analyses were performed using microbiological diffusion test Delvotest SP-NL and receptor assay CHARM ROSA MRL BL/TET for the detection of ß-lactams and tetracyclines. In cooled samples antibiotics were detected up to 72 h. After this time, the samples were acidulated and not suitable for investigations. In frozen samples, depending on type and concentration of antibiotics, these substances were detected from one week (penicillin G - 4 ppb) to 35 weeks (ampicillin and ceftiofur).

• Wydawca: -
• Czasopismo: Bulletin of the Veterinary Institute in Puławy
• Rocznik: 2013
• Tom: 57
• Numer: 3
• Opis fizyczny: p.347-349,ref.

Twórcy

autor

Rozanska H.

• Department of Hygiene of Food of Animal Origin, National Veterinary Research Institute, 24-100 Pulawy, Poland

autor

Osek J.

• Department of Hygiene of Food of Animal Origin, National Veterinary Research Institute, 24-100 Pulawy, Poland

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Identyfikatory

DOI

10.2478/bvip-2013-0060