Optimization of formulations for pullulan films containing lauric arginate and nisin Z

Rinrada Pattanayaiying, Aran H-Kittikun, Catherine Nettles Cutter

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Pullulan films containing lauric arginate. alone (LAE) or in combination with nisin Z (LAE-nisin Z), were investigated to determine the effects of the film component(s) on mechanical properties (i.e. ultimate tensile strength [UTS]; Young's modulus [YM]; and elongation at break [EL]). Analyses indicated that pullulan and locust bean gum influenced UTS, YM, and negatively influenced EL of LAE films (. P<0.05). However, pullulan concentrations did not affect UTS of LAE-nisin Z films, but increased YM and decreased the EL values. Glycerol negatively affected UTS for the LAE and LAE-nisin Z films, but positively affected the EL of the films. Locust bean gum significantly decreased EL values of all the formulations. YM also was dependent on the balance of the film ingredients. The films with the best mechanical properties were L150-2.5-0, which contained 2mg/mL LAE and 320 AU/mL nisin Z, pullulan 150g/L, glycerol 2.5g/L, and no locust bean gum, as well as LN120-2.5-1, which contained 2mg/mL LAE and 320 AU/mL nisin Z, pullulan 120g/L, glycerol 2.5g/L and locust bean gum at 1g/L. The findings of this study may be of interest to researchers who are interested in the mechanical properties of antimicrobial, edible films.

Original languageEnglish (US)
Pages (from-to)1110-1120
Number of pages11
JournalLWT - Food Science and Technology
Volume63
Issue number2
DOIs
StatePublished - Oct 1 2015

Fingerprint

pullulan
nisin
locust bean gum
Tensile Strength
Elastic Modulus
tensile strength
modulus of elasticity
Glycerol
mechanical properties
glycerol
edible films
nisin Z
N(alpha)-lauroylarginine ethyl ester
ingredients
researchers
anti-infective agents
Research Personnel

All Science Journal Classification (ASJC) codes

  • Food Science

Cite this

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title = "Optimization of formulations for pullulan films containing lauric arginate and nisin Z",
abstract = "Pullulan films containing lauric arginate. alone (LAE) or in combination with nisin Z (LAE-nisin Z), were investigated to determine the effects of the film component(s) on mechanical properties (i.e. ultimate tensile strength [UTS]; Young's modulus [YM]; and elongation at break [EL]). Analyses indicated that pullulan and locust bean gum influenced UTS, YM, and negatively influenced EL of LAE films (. P<0.05). However, pullulan concentrations did not affect UTS of LAE-nisin Z films, but increased YM and decreased the EL values. Glycerol negatively affected UTS for the LAE and LAE-nisin Z films, but positively affected the EL of the films. Locust bean gum significantly decreased EL values of all the formulations. YM also was dependent on the balance of the film ingredients. The films with the best mechanical properties were L150-2.5-0, which contained 2mg/mL LAE and 320 AU/mL nisin Z, pullulan 150g/L, glycerol 2.5g/L, and no locust bean gum, as well as LN120-2.5-1, which contained 2mg/mL LAE and 320 AU/mL nisin Z, pullulan 120g/L, glycerol 2.5g/L and locust bean gum at 1g/L. The findings of this study may be of interest to researchers who are interested in the mechanical properties of antimicrobial, edible films.",
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Optimization of formulations for pullulan films containing lauric arginate and nisin Z. / Pattanayaiying, Rinrada; H-Kittikun, Aran; Cutter, Catherine Nettles.

In: LWT - Food Science and Technology, Vol. 63, No. 2, 01.10.2015, p. 1110-1120.

Research output: Contribution to journalArticle

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