Reduction of Salmonella enteritidis in shell eggs using directional microwave technology

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16 Scopus citations

Abstract

Microwaves have been shown to cause thermal as well as nonthermal destruction of pathogens such as Salmonella Enteritidis, which is commonly found in shell eggs. The objective of this study was to examine the use of new directional microwave technology to reduce Salmonella Enteritidis without causing any detrimental effects on quality in white and brown eggs. Treatments were control and microwaved white and brown eggs. Applying directional microwave technology resulted in a 2-log reduction of Salmonella Enteritidis in both the high (105 cfu/g) and low (102 cfu/g) inoculum. At d 0, there were no differences in water activities, albumen pH, and combined pH between treatments; however, there were significant changes in yolk pH. Collectively, these results indicate that applying directional microwave technology can reduce Salmonella Enteritidis in shell eggs without causing any detrimental effects to quality.

Original languageEnglish
Pages (from-to)985-991
Number of pages7
JournalPoultry science
Volume87
Issue number5
DOIs
StatePublished - May 1 2008

Keywords

  • Directional microwave
  • Egg
  • Salmonella enteritidis

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