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Removal of sulfamethazine from artificially contaminated milk by ultrafiltration

Tipo de material: TextoTextoSeries ; Journal of Food Processing and Preservation, 21, p.83-90, 1997Trabajos contenidos:
  • Higuera-Ciapara, I
  • Esqueda-Valle, M
  • Nieblas, J
Recursos en línea: Resumen: The efect of discontinuous diafiltration (DD)on removal of SuIfamethazine (SMZ)from raw whole and homogenized milk was studied. Milk was artificially contaminated with concentrations of SMZ varying from 20 to 90 pg/L. A hollow-fiber membrane with a molecular weight cut-ogof 10,000 daltons was used for all experimental runs at 55C. The removal pattern of SMZ was influenced (p<0,05)by both the initial concentration and the homogenization process. Homogenization increased the removal of SMZfiom milk. The DD process resulted in concentrates with r(?sidual levels of SMZ <I0 pg/L (FDA action levee. SMZ was not detected in reconstituted retentates resultingfiorn milk originally up to 30 pg/L.
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The efect of discontinuous diafiltration (DD)on removal of SuIfamethazine (SMZ)from raw whole and homogenized milk was studied. Milk was artificially contaminated with concentrations of SMZ varying from 20 to 90 pg/L. A hollow-fiber membrane with a molecular weight cut-ogof 10,000 daltons was used for all experimental runs at 55C. The removal pattern of SMZ was influenced (p<0,05)by both the initial concentration and the homogenization process. Homogenization increased the removal of SMZfiom milk. The DD process resulted in concentrates with r(?sidual levels of SMZ <I0 pg/L (FDA action levee. SMZ was not detected in reconstituted retentates resultingfiorn milk originally up to 30 pg/L.

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