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Microbial changes in shredded Iceberg lettuce stored under controlled atmosphere.

Author(s) : BARRIGA M. I., TRACHY G., WILLEMOT C., et al.

Type of article: Article

Summary

The purpose was to determine initial microbial populations in shredded Iceberg lettuce (Lactuca sativa L.) cv 'Great Lakes', and to study their changes under different controlled atmospheres. Lettuce was shredded, washed, disinfected, water rinsed and centrifuged before being stored for 12 days under air, 3% oxygen, 3% oxygen plus 5% carbon dioxide or 3% oxygen plus 10% carbon dioxide. Microbiological analysis and assessment of visual quality were carried out every 3 days. No human pathogens were found. Controlled atmospheres had little or no effect on the microbiological populations studied. A 3% oxygen plus 10% carbon dioxide atmosphere maintained acceptable visual quality of lettuce, without appreciably affecting microbial development.

Details

  • Original title: Microbial changes in shredded Iceberg lettuce stored under controlled atmosphere.
  • Record ID : 1993-0285
  • Languages: English
  • Source: Ital. J. Food Sci. - vol. 56 - n. 6
  • Publication date: 1991/11
  • Document available for consultation in the library of the IIR headquarters only.

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