Preparation of fucoidan-shelled and genipin-crosslinked chitosan beads for antibacterial application

Shu Huei Yu, Shao Jung Wu, Jui Yu Wu, De Yu Wen, Fwu Long Mi

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

In this study, a fucoidan-shelled chitosan bead was developed with the purpose of oral delivery of berberine to inhibit the growth of bacteria. The cross-linking level and swelling property of the beads were affected by the pH value and the composition of the genipin/fucoidan combined gelling agent. The drug release of the berberine-loaded beads was faster in simulated gastric fluid (pH 1.2) than those in simulated intestinal fluid (pH 7.4). Furthermore, a nanoparticles/beads complex system was developed by incorporation of berberine-loaded chitosan/fucoidan nanoparticles in the fucoidan-shelled chitosan beads. The nanoparticles/beads complex served as a drug carrier to delay the berberine release in simulated gastric fluid, with an estimated lag time of 2 h. Our results showed that the berberine-loaded beads and nanoparticles/beads complex could effectively inhibit the growth inhibition of common clinical pathogens, such as Staphylococcus aureus and Escherichia coli, and have the advantage of continually releasing berberine to inhibit the growth of the bacteria over 24 h.

Original languageEnglish
Pages (from-to)97-107
Number of pages11
JournalCarbohydrate Polymers
Volume126
DOIs
Publication statusPublished - Aug 1 2015

Fingerprint

Berberine
Chitosan
Nanoparticles
Fluids
Bacteria
Pathogens
Escherichia coli
Swelling
Large scale systems
Drug Carriers
fucoidan
genipin
Chemical analysis
Pharmaceutical Preparations

Keywords

  • Antibacterial
  • Chitosan
  • Drug delivery
  • Fucoidan
  • Genipin

ASJC Scopus subject areas

  • Organic Chemistry
  • Materials Chemistry
  • Polymers and Plastics

Cite this

Preparation of fucoidan-shelled and genipin-crosslinked chitosan beads for antibacterial application. / Yu, Shu Huei; Wu, Shao Jung; Wu, Jui Yu; Wen, De Yu; Mi, Fwu Long.

In: Carbohydrate Polymers, Vol. 126, 01.08.2015, p. 97-107.

Research output: Contribution to journalArticle

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