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Bacteriocins: Safe, natural antimicrobials for food preservation

Research output: Contribution to journalReview articlepeer-review

Abstract

Bacteriocins are antibacterial proteins produced by bacteria that kill or inhibit the growth of other bacteria. Many lactic acid bacteria (LAB) produce a high diversity of different bacteriocins. Though these bacteriocins are produced by LAB found in numerous fermented and non-fermented foods, nisin is currently the only bacteriocin widely used as a food preservative. Many bacteriocins have been characterized biochemically and genetically, and though there is a basic understanding of their structure-function, biosynthesis, and mode of action, many aspects of these compounds are still unknown. This article gives an overview of bacteriocin applications, and differentiates bacteriocins from antibiotics. A comparison of the synthesis, mode of action, resistance and safety of the two types of molecules is covered. Toxicity data exist for only a few bacteriocins, but research and their long-time intentional use strongly suggest that bacteriocins can be safely used.

Original languageAmerican English
Pages (from-to)1-20
Number of pages20
JournalInternational journal of food microbiology
Volume71
Issue number1
DOIs
StatePublished - Dec 4 2001

ASJC Scopus subject areas

  • Food Science
  • Microbiology

Keywords

  • Antimicrobial
  • Bacteriocin
  • Food preservation
  • Natural
  • Non-antibiotic

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