Having an exopolysaccharide of Lactobacillus physiological activity and its application

The present invention discloses a physiologically active exopolysaccharide of Lactobacillus and Its Application. The present invention provides a Lactobacillus Lactobacillus plantarum SKT109, deposit number is CGMCC No.10130. The above-described Lactobacillus plantarum Lactobacillus SKT109 SKT109 claim 1 and / or the bacterial suspension and / or the fermentation broth and / or the application of exopolysaccharide extracellular metabolites in the preparation of the claims. Experiments show that the present invention, the present inventors have discovered a new strain of Lactobacillus SKT109, which may exopolysaccharides by fermentation yogurt preparation can reduce the amount of thickeners and stabilizers, while the taste of the product and impart good flavor, the invention has broad application prospects in the field of fermented food.