Release of nisin from various heat-pressed and cast films

D. S. Cha, K. Cooksey, M. S. Chinnan, H. J. Park

Research output: Contribution to journalArticle

66 Citations (Scopus)

Abstract

Nisin-incorporated biopolymers (methylcellulose (MC), hydroxypropylmethyl cellulose (HPMC), κ-carrageenan and chitosan) films made by heat-press and casting methods were investigated. For quantitative determinations of nisin release in both categories of prepared films, the plate diffusion method was employed using Micrococcus luteus ATCC 10240 as the test microorganism. Cast films exhibited larger inhibitory zones overall when compared with that of the heat-pressed method. Among all the nisin-incorporated films assayed, the antimicrobial activity was most effective in MC films in the heat-pressed category and chitosan films in the cast films category.

Original languageEnglish
Pages (from-to)209-213
Number of pages5
JournalLWT - Food Science and Technology
Volume36
Issue number2
DOIs
Publication statusPublished - 2003 Jan 1

Keywords

  • Cast
  • Heat press
  • Inhibition zone
  • Nisin
  • Standard curve

ASJC Scopus subject areas

  • Food Science

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