Chitosan-coated paper: Effects of nisin and different acids on the antimicrobial activity

Jari Vartiainen; Rose Motion; Heikki Kulonen; Marjaana Rättö; Eija Skyttä; Raija Ahvenainen

doi:10.1002/app.20701

Chitosan-coated paper: Effects of nisin and different acids on the antimicrobial activity

Jari Vartiainen (Corresponding Author), Rose Motion, Heikki Kulonen, Marjaana Rättö, Eija Skyttä, Raija Ahvenainen

PAPRO Forest Research

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Abstract

Chitosan coatings prominently improved both the gloss and oxygen barrier properties of paper. The gloss value in the machine direction was increased as a function of added chitosan. An oxygen‐permeability value of 1.1 cm³/m² d was obtained when 6.9 g/m² chitosan was applied to 80 g/m² copy paper. In addition, the effects on the mechanical properties were positive, but not significant. The water‐vapor permeability of the paper increased as a result of the chitosan coating. Chitosan dissolved in 1.6, 3.2, and 6.4% lactic acid showed antimicrobial activity against Bacillus subtilis, whereas acetic and propionic acids (1.6, 3.2, and 6.4%) did not produce any notable activity. Nisin (0.08 g/L) did not enhance the antimicrobial activity of coatings prepared from chitosan dissolved in different acids.

Original language	English
Pages (from-to)	986 - 993
Number of pages	8
Journal	Journal of Applied Polymer Science
Volume	94
Issue number	3
DOIs	https://doi.org/10.1002/app.20701
Publication status	Published - 2004
MoE publication type	A1 Journal article-refereed

Keywords

biopolymers
coatings
mechanical properties
permeability
antimicrobial activity

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10.1002/app.20701

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title = "Chitosan-coated paper: Effects of nisin and different acids on the antimicrobial activity",

abstract = "Chitosan coatings prominently improved both the gloss and oxygen barrier properties of paper. The gloss value in the machine direction was increased as a function of added chitosan. An oxygen‐permeability value of 1.1 cm3/m2 d was obtained when 6.9 g/m2 chitosan was applied to 80 g/m2 copy paper. In addition, the effects on the mechanical properties were positive, but not significant. The water‐vapor permeability of the paper increased as a result of the chitosan coating. Chitosan dissolved in 1.6, 3.2, and 6.4% lactic acid showed antimicrobial activity against Bacillus subtilis, whereas acetic and propionic acids (1.6, 3.2, and 6.4%) did not produce any notable activity. Nisin (0.08 g/L) did not enhance the antimicrobial activity of coatings prepared from chitosan dissolved in different acids.",

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T1 - Chitosan-coated paper

T2 - Effects of nisin and different acids on the antimicrobial activity

AU - Vartiainen, Jari

AU - Motion, Rose

AU - Kulonen, Heikki

AU - Rättö, Marjaana

AU - Skyttä, Eija

AU - Ahvenainen, Raija

PY - 2004

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AB - Chitosan coatings prominently improved both the gloss and oxygen barrier properties of paper. The gloss value in the machine direction was increased as a function of added chitosan. An oxygen‐permeability value of 1.1 cm3/m2 d was obtained when 6.9 g/m2 chitosan was applied to 80 g/m2 copy paper. In addition, the effects on the mechanical properties were positive, but not significant. The water‐vapor permeability of the paper increased as a result of the chitosan coating. Chitosan dissolved in 1.6, 3.2, and 6.4% lactic acid showed antimicrobial activity against Bacillus subtilis, whereas acetic and propionic acids (1.6, 3.2, and 6.4%) did not produce any notable activity. Nisin (0.08 g/L) did not enhance the antimicrobial activity of coatings prepared from chitosan dissolved in different acids.

KW - biopolymers

KW - coatings

KW - mechanical properties

KW - permeability

KW - antimicrobial activity

U2 - 10.1002/app.20701

DO - 10.1002/app.20701

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JF - Journal of Applied Polymer Science

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ER -

Chitosan-coated paper: Effects of nisin and different acids on the antimicrobial activity

Abstract

Keywords

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