An enzyme catalyzing transfer of the fructose moiety of sucrose to polyfructose (a levan), releasing d-glucose.
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For example, Bacillus can produce some useful enzymes ([alpha]-amylase, arabinase, cellulase, dextranase, levansucrase, maltase, alkaline protease, neutral protease and [beta]-glucanase) (Priest, 1977; Hentges, 1992) that were found to improve feed efficiency and weight gain of weaned piglets (Zani et al.
Stillage as a source of growth promoting bio factors and a stimulator of levan and extracelular levansucrase synthesis for Zymomonas mobilis.
Comparison of characteristics of levan produced by different preparations of levansucrase from Zymomonas mobilis.