Physicochemical, antimicrobial, and cytotoxic characteristics of a chitosan film cross-linked by a naturally occurring cross-linking agent, aglycone geniposidic acid

Fwu Long Mi, Chin Tsung Huang, Hsiang Fa Liang, Mei Chin Chen, Ya Ling Chiu, Chun Hung Chen, Hsing Wen Sung

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

The purpose of this study was to evaluate the characteristics of a chitosan film cross-linked by a naturally occurring compound, aglycone geniposidic acid (aGSA). This newly developed aGSA-cross-linked chitosan film may be used as an edible film. The chitosan film without cross-linking (fresh) and the glutaraldehyde-cross-linked chitosan film were used as controls. The characteristics of test chitosan films evaluated were their degree of cross-linking, swelling ratio, mechanical properties, water vapor permeability, antimicrobial capability, cytotoxicity, and enzymatic degradability. It was found that cross-linking of chitosan films by aGSA (at a concentration up to 0.8 mM) significantly increased its ultimate tensile strength but reduced its strain at fracture and swelling ratio. There was no significant difference in the antimicrobial capability between the cross-linked chitosan films and their fresh counterpart. However, the aGSA-cross-linked chitosan film had a lower cytotoxicity, a slower degradation rate, and a relatively lower water vapor permeability as compared to the glutaraldehyde-cross-linked film. These results suggested that the aGSA-cross-linked chitosan film may be a promising material as an edible film.

Original languageEnglish
Pages (from-to)3290-3296
Number of pages7
JournalJournal of Agricultural and Food Chemistry
Volume54
Issue number9
DOIs
Publication statusPublished - May 3 2006
Externally publishedYes

Fingerprint

Chitosan
chitosan
films (materials)
anti-infective agents
acids
crosslinking
Steam
Glutaral
edible films
glutaraldehyde
water vapor
Permeability
cytotoxicity
Cytotoxicity
permeability
Swelling
cross-linking reagents
geniposidic acid
Tensile Strength
tensile strength

Keywords

  • Aglycone geniposidic acid
  • Chitosan
  • Edible film
  • Glutaraldehyde

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)
  • Food Science
  • Chemistry (miscellaneous)

Cite this

Physicochemical, antimicrobial, and cytotoxic characteristics of a chitosan film cross-linked by a naturally occurring cross-linking agent, aglycone geniposidic acid. / Mi, Fwu Long; Huang, Chin Tsung; Liang, Hsiang Fa; Chen, Mei Chin; Chiu, Ya Ling; Chen, Chun Hung; Sung, Hsing Wen.

In: Journal of Agricultural and Food Chemistry, Vol. 54, No. 9, 03.05.2006, p. 3290-3296.

Research output: Contribution to journalArticle

Mi, Fwu Long ; Huang, Chin Tsung ; Liang, Hsiang Fa ; Chen, Mei Chin ; Chiu, Ya Ling ; Chen, Chun Hung ; Sung, Hsing Wen. / Physicochemical, antimicrobial, and cytotoxic characteristics of a chitosan film cross-linked by a naturally occurring cross-linking agent, aglycone geniposidic acid. In: Journal of Agricultural and Food Chemistry. 2006 ; Vol. 54, No. 9. pp. 3290-3296.
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