Viability of Bifidobacterium bifidum and Escherichia coli in Versus Prebiotic Effects of Jerusalem Artichoke (Helianthus tuberosus)

In this study, in vitro prebiotic effects of Jerusalem artichoke poly-fructans on the survivability and activity of Bifidobacterium bifidum, Escherichia coli were investigated and compared with HP-Inulin (a high molecular-weight fraction of chicory-derived inulin).
The prebiotic potential of poly-fructans extracted from native Jerusalem artichoke tubers on the survivability of B. bifidum and E. coli was evaluated in this study.
In this experimental study, 24 treatments divided to 2 groups (Extracted poly-fructose from Jerusalem artichoke tubers and standard inulin) randomly. The turbidity and pH variations during 48 hours incubation were determined using final concentrations of each group (0.5%, 1%, 2% and 3% (w/v)). The data were analyzed by MINITAB 14 and MSTATC statistical software, one way ANOVA and Duncan’s test.
This study suggests that Jerusalem artichoke tuber fructooligosaccharides (JA-Fr) had the potential to be used as a prebiotic component. The growth of B. bifidum improved significantly in the presence of Jerusalem artichoke fructans compared to the control. There was no significant differences (P Jerusalem artichoke fructooligosaccharides can provide the greater stability of probiotics and acid production, so it can be considered as a potential source of high-yielding oligosaccharide for commercial prebiotic production to develop food industry and improve host health.