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  • Title: Influence of immobilization parameters on growth and lactic acid production by Streptococcus thermophilus and Lactobacillus bulgaricus co-immobilized in calcium alginate gel beads.
    Author: Garbayo I, Vílchez C, Vega JM, Nava-Saucedo JE, Barbotin JN.
    Journal: Biotechnol Lett; 2004 Dec; 26(23):1825-7. PubMed ID: 15672222.
    Abstract:
    Streptococcus thermophilus and Lactobacillus bulgaricus were co-immobilized in different systems with varying calcium (0.1-1.5 M) and alginate (1-2%, w/v) concentrations. Highest lactic acid production was 35 g l(-1) when both bacteria were in high viscosity beads (1%, w/v alginate) hardened in 0.1 M CaCl2 . The gel bead composition affected size and distribution of entrapped lactic acid bacteria.
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