Effect of Maesil(Prunus mume) Juice on Antimicrobial Activity and Shelf-Life of Wet Noodle

매실(Prunus mume) 착즙액이 항균성과 생면의 저장성에 미치는 영향

  • 이현애 (경원대학교 식품영양학과) ;
  • 남은숙 (경원대학교 식품영양학과) ;
  • 박신인 (경원대학교 식품영양학과)
  • Published : 2003.10.30

Abstract

The effect of addition with maesil(Prunus mume) juice for extending the shelf-life of wet noodle was investigated by measuring quality changes such as total microbial count and pH. The Prunus mume juice showed antimicrobial activities against Salmonella enteritidis, Staphylococcus aureus, Bacillus cereus, Listeria monocytogenes, and Escherichia coli. When the wet noodles containing Prunus mume juice were kept at $4^{\circ}C$ for 20 days, it was showed that the drop of pH was not significantly occurred during the storage. Total microbial counts for control exceeded the initial putrefactive criterion level of $1.0{\times}10^6\;cfu/g$ at 16 days of storage at $4^{\circ}C$. However, total microbial count of wet noodles with the addition of 10%, 20% and 30% Prunus mume juice were $3.0{\times}10^2\;cfu/g,\;3.0{\times}10^2\;cfu/g,\;and\;1.5{\times}10^2\;cfu/g$, respectively, and these bacterial counts were still less than the criterion level ever at 20 days of storage. The addition of Prunus mume juice extended the shelf-life of wet noodle appreciably.

Keywords

References

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