Effect of gamma irradiation on the physicochemical properties of a starch-based film

Jae Kyung Kim, Cheorun Jo, Hyun Jin Park, Myung Woo Byun

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

The influence of gamma irradiation and an addition of locust bean gum (LBG) on the properties of the starch-based films were investigated. The film casting solution including the corn starch, LBG (0%, 0.75%, and 1.5% w/v), polyvinyl alcohol, sucrose, and glycerol was irradiated at 0, 3, 6, 12, and 24 kGy. After irradiation, an intact and smooth film was formed by irradiation treatment. The presence of LBG increased the tensile strength of the films, but the appropriate irradiation dose should be determined to get the highest tensile strength. Application of LBG reduced the percent elongation of the films, but irradiation significantly increased the percent elongation. The enzymatic hydrolysis and water vapor permeability was shown to decrease with an increase in the irradiation dose. Results indicate that the irradiation technology can be a useful tool as a cross-linking agent with starch and LBG to improve the functional properties of a starch-based film.

Original languageEnglish
Pages (from-to)248-254
Number of pages7
JournalFood Hydrocolloids
Volume22
Issue number2
DOIs
Publication statusPublished - 2008 Mar 1

Fingerprint

locust bean gum
Starch
films (materials)
gamma radiation
physicochemical properties
irradiation
Irradiation
starch
Tensile Strength
tensile strength
Polyvinyl Alcohol
Dosimetry
Elongation
Tensile strength
Steam
polyvinyl alcohol
Glycerol
Zea mays
Sucrose
enzymatic hydrolysis

Keywords

  • Gamma irradiation
  • Locust bean gum
  • Physicochemical properties
  • Starch-based film

ASJC Scopus subject areas

  • Food Science

Cite this

Effect of gamma irradiation on the physicochemical properties of a starch-based film. / Kyung Kim, Jae; Jo, Cheorun; Park, Hyun Jin; Woo Byun, Myung.

In: Food Hydrocolloids, Vol. 22, No. 2, 01.03.2008, p. 248-254.

Research output: Contribution to journalArticle

Kyung Kim, Jae ; Jo, Cheorun ; Park, Hyun Jin ; Woo Byun, Myung. / Effect of gamma irradiation on the physicochemical properties of a starch-based film. In: Food Hydrocolloids. 2008 ; Vol. 22, No. 2. pp. 248-254.
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