LACTOBACILLUS BREVIS STRAIN PRODUCING MANNITOL AND METHOD FOR PRODUCING MANNITOL

摘要

Provided is a Lactobacillus brevis strain producing mannitol named Lactobacillus brevis 3-A20, with deposit number CGMCC8581. The strain is characterized in that it can produce mannitol by fermentation utilizing one or more carbon sources in an hydrolysis liquid containting glucose, fructose, sucrose, oligofructose and fructan. Meanwhile, provided is a method for producing mannitol by fermentation utilizing the strain. The fermentation utilizes one or more carbon sources containing glucose, fructose, sucrose, fructooligosaccharide and fructosan under anaerobic or microaerobic conditions, at pH 3.0-7.0, at a temperature within the range of 25-40 degrees, so as to produce 20-300 g/L of mannitol.