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Bacterial population dynamics and decay on leaves of different ages of ready-to-use broad-leaved endive.

Author(s) : JACQUES M. A., MORRIS C. E.

Type of article: Article

Summary

At harvest, significant differences in bacterial population sizes were observed among leaves of the different age groups, resulting in decreasing contamination from outer (older) to inner (younger) leaves of the head. This persisted throughout storage at 6 deg C for ready-to-use processed leaves separated by age, implicating leaf physiology as one of its causes. Leaf age also affected types and frequencies of decay occurring during storage. The sizes of fluorescent and pectolytic populations could not consistently be predicted from mesophilic ones. Atmospheric changes in the packs resulting from vegetable respiration and microbial activity confirmed the limiting effect of high carbon dioxide and low oxygen on the development of spoilage without an effect on bacterial population sizes.

Details

  • Original title: Bacterial population dynamics and decay on leaves of different ages of ready-to-use broad-leaved endive.
  • Record ID : 1996-2292
  • Languages: English
  • Source: Int. J. Food Sci. Technol. - vol. 30 - n. 2
  • Publication date: 1995/04
  • Document available for consultation in the library of the IIR headquarters only.

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