Journal
INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY
Volume 38, Issue 2, Pages 165-169Publisher
BLACKWELL PUBLISHING LTD
DOI: 10.1046/j.1365-2621.2003.00657.x
Keywords
bacterial inhibition; Enterococcus faecalis; release kinetics; styrene-acrylate copolymer
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A coating made of a styrene-acrylate copolymer and containing triclosan (87 +/- 9 mg triclosan cm(-3) coating) was evaluated as an antimicrobial layer for packaging materials. In both agar diffusion tests and liquid culture tests, inhibition of growth of Enterococcus faecalis by the triclosan-coating was observed. Triclosan in the coating was not released into the water. Using a solution of 10% aqueous ethanol to simulate aqueous/acidic foods, a very small portion of the triclosan was quickly released with an estimated apparent partition coefficient of 1.7 x 10(-5). When using n -heptane, to simulate fatty foods, most of the triclosan was extracted with an estimated apparent partition coefficient of 5.5 x 10(-2).
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