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BEHAVIOUR OF L. MONOCYTOGENES IN VACUUM-PACKED SLICED FRANKFURTER-TYPE SAUSAGE.

Author(s) : SCHMIDT U., KAYA M.

Type of article: Article

Summary

AT 275 K (2 DEG C) THERE IS A DISTINCT GROWTH OF THE ORGANISM AFTER THE 2ND WEEK AND AT 277 K (4 DEG C) AFTER THE 1ST. DURING THE NORMAL MINIMUM SHELF LIFE PERIOD OF 3 TO 4 WEEKS L. MONOCYTOGENES MULTIPLIES BY ABOUT 1 POWER OF TEN AT 275 K AND BY 2 TO 4 POWERS OF TEN AT 277 K. AT 280 K (7 DEG C) GROWTH BEGINS AFTER 3 DAYS AND DURING THE FIRST WEEK REACHES 100 TIMES ITS ORIGINAL VALUE. WHERE FRESH VACUUM-PACKED PRODUCTS CONTAMINATED WITH L. MONOCYTOGENES ARE STORED ADDITIONALLY, CONTAMINATION WILL HAVE REACHED MORE THAN 10,000/G, ASSUMING THAT THEY HAD A NORMAL INITIAL CONTAMINATION OF NO MORE THAN 10 LISTERIAE/G. THIS IS A RISK WHICH IS HARD TO ASSESS.

Details

  • Original title: BEHAVIOUR OF L. MONOCYTOGENES IN VACUUM-PACKED SLICED FRANKFURTER-TYPE SAUSAGE.
  • Record ID : 1991-2179
  • Languages: English
  • Source: Fleischwirtschaft - vol. 70 - n. 11
  • Publication date: 1990/11
  • Document available for consultation in the library of the IIR headquarters only.

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