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Antimicrobial Activity of Korean Leek and Its Application to Food System

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한국식품위생안전성학회지 (Journal of Food Hygiene and Safety)
한국식품위생안전성학회 (Korean Society of Food Hygiene and Safety)
초록

Antimicrobial activity of Korean leek was effective on Staphylococcus aureus, Bacillus cereus, Bacillus subtilis, E. coli O157:H7, Pseudomonas fluorescens, Pichia membranaefaciens. Extract from raw Korean leek and that from frozen one showed antimicrobial activity; in contrast, extract stored frozen condition or extract from blanched one lost antimicrobial activity. Filtration, centrifugation, and vacuum concentration did not affect antimicrobial activity of the leek, nor did the changes in storage pHs. Addition of ground leek to soy milk, soy curd, and broth for cold noodle resulted in the prolonged shelf life by significantly reducing the number of viable cells.

저자
  • 허성호
  • 홍정화
  • 이미형
  • 전치수