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 language | English |
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Pages (from-to) | 1479-1485 |
Number of pages | 7 |
Journal | Carbohydrate Polymers |
Volume | 83 |
Issue number | 4 |
DOIs | |
Publication status | Published - 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