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Issue 9, 2014
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Superior prebiotic and physicochemical properties of novel dextran from Weissella cibaria JAG8 for potential food applications

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Abstract

The dextran produced by dextransucrase from Weissella cibaria JAG8 was subjected to physicochemical characterization and assessment of its prebiotic potential. Dextran displayed a solubility of 24.5% and a water holding capacity of 352%. The emulsion and flocculation activity of dextran were 89% and 92%, respectively. The degradation temperature (Td) of dextran was 353 °C. Dextran exhibited 33- and 12-fold less hydrolysis than inulin, in simulated gastric juice (pH 1.0) and α-amylase (pH 7.0), respectively. Dextran stimulated the growth of probiotic bacteria such as Bifidobacterium animalis subspecies lactis, Bifidobacterium infantis and Lactobacillus acidophilus significantly and was comparable to that of commercial inulin. However, the growth of E. coli was not enhanced by dextran or inulin. The dextran used in this study can be used as a potential prebiotic for health benefits.

Graphical abstract: Superior prebiotic and physicochemical properties of novel dextran from Weissella cibaria JAG8 for potential food applications

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Publication details

The article was received on 12 Apr 2014, accepted on 06 Jul 2014 and first published on 07 Jul 2014


Article type: Paper
DOI: 10.1039/C4FO00319E
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Food Funct., 2014,5, 2324-2330

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    Superior prebiotic and physicochemical properties of novel dextran from Weissella cibaria JAG8 for potential food applications

    J. M. R. Tingirikari, D. Kothari and A. Goyal, Food Funct., 2014, 5, 2324
    DOI: 10.1039/C4FO00319E

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