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Changes in populations of Listeria monocytogenes inoculated on packaged fresh-cut vegetables.

Author(s) : FARBER J. M., WANG S. L., CAI Y., ZHANG S.

Type of article: Article

Summary

A variety of wholesale and retail packaged vegetables and salads were inoculated with a mixture of strains of Listeria monocytogenes and incubated at 4 and 10 deg C. Whole rutabagas, butternut squash and onions, as well as packaged Caesar salad, carrots, coleslaw mix and stir-fry vegetables were purchased from local supermarkets in the Ottawa area. L. monocytogenes population levels remained constant on all fresh-cut vegetables stored at 4 deg C for 9 days, except for carrots and butternut squash: counts of cell numbers declined on carrots and increased on the butternut squash. Results are given for different temperatures and products. These results point to the importance of strict temperature control to prevent or reduce the growth of L. monocytogenes cells on fresh-cut vegetables.

Details

  • Original title: Changes in populations of Listeria monocytogenes inoculated on packaged fresh-cut vegetables.
  • Record ID : 1999-0990
  • Languages: English
  • Source: Journal of Food Protection - vol. 61 - n. 2
  • Publication date: 1998/02
  • Document available for consultation in the library of the IIR headquarters only.

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