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Activity of goats' milk lactoperoxidase system on Pseudomonas fluorescens and Escherichia coli at refrigeration temperature.

Author(s) : ZAPICO P., GAYA P., NUNEZ M., MEDINA M.

Type of article: Article

Summary

Bacterial activity of the lactoperoxidase system against Pseudomonas fluorescens was observed in refrigerated raw goats' milk. P. fluorescens counts lower than the initial level were recorded in activated lactoperoxidase-system milk for 5 days at 4 deg C and 3 days at 8 deg C. Escherichia coli did not grow in raw goats' milk at 4 deg C, and the influence of lactoperoxidase-system activation at this temperature on E. coli counts was negligible. At 8 deg C, E. coli was able to grow in control milk with no apparent lag phase. In contrast, a lag phase of 2 days was observed in activated lactoperoxidase-system milk at 8 deg C, resulting in lower E. coli counts than those of control milk during the first 5 days.

Details

  • Original title: Activity of goats' milk lactoperoxidase system on Pseudomonas fluorescens and Escherichia coli at refrigeration temperature.
  • Record ID : 1997-0984
  • Languages: English
  • Source: Journal of Food Protection - vol. 58 - n. 10
  • Publication date: 1995/10
  • Document available for consultation in the library of the IIR headquarters only.

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