Preparation of alginate/chitosan/carboxymethyl chitosan complex microcapsules and application in Lactobacillus casei ATCC 393

Xiao Yan Li, Xi Guang Chen, Zhong Wu Sun, Hyun Jin Park, Dong Su Cha

Research output: Contribution to journalArticle

68 Citations (Scopus)

Abstract

Lactobacillus casei ATCC 393 was encapsulated with alginate, chitosan and carboxymethyl chitosan by extrusion method and the product could increase the cell numbers of L. casei to be 108 cfu/g in the dry state after storage at 4 °C for 4 weeks. After incubation in simulated gastric (pH 2.0, 2 h) and bile juices (1%, 6 h), the encapsulated L. casei cell numbers were 7.91 and 7.42 log cfu/g, respectively. Results indicated that alginate-chitosan- carboxymethyl chitosan microcapsules could successfully protect L. casei against adverse conditions and this approach might be useful in the delivery of probiotic cultures as a functional food.

Original languageEnglish
Pages (from-to)1479-1485
Number of pages7
JournalCarbohydrate Polymers
Volume83
Issue number4
DOIs
Publication statusPublished - 2011 Feb 1

Keywords

  • Carboxymethyl chitosan
  • Chitosan
  • Lactobacillus casei ATCC 393
  • Microcapsule
  • Sodium alginate
  • Survival

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

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