Reduction of non-starch polysaccharides and alpha-galactosides in soy flour by means of solid-state fermentation using cellulolytic bacteria isolated from different environments

An isolated bacterial strain selected from:

• (i) an isolated bacterial strain belonging to the Cohnella sp gender deposited on Nov. 25, 2011 in the Agricultural Research Service Culture Collection (NRRL) of the U.S. Department of Agriculture with access number NRRL B-50604, wherein said strain is Gram positive, fusiform and has a high total cellulolytic activity and high alpha-galactosidase activity;
• (ii) an isolated bacterial strain belonging to the Streptomyces sp gender, deposited on Nov. 25, 2011 in the Agricultural Research Service Culture Collection (NRRL) of the U.S. Department of Agriculture with access number NRRL B-50602, wherein said strain is Gram positive, has cocobacilli shape and high total cellulolitic activity and high alpha-galactosidase activity;
• (iii) an isolated bacterial strain belonging to the Cellulosimicrobium sp gender, deposited on Nov. 25, 2011 in the Agricultural Research Service Culture Collection (NRRL) of the U.S. Department of Agriculture with access number NRRL B-50603, wherein said strain is Gram positive, has cocos shape and has high endo-1.4-beta-xylanase activity;
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• (iv) an isolated bacterial strain belonging to the Streptomyces sp gender, deposited on Nov. 25, 2011 in the Agricultural Research Service Culture Collection (NRRL) of the U.S. Department of Agriculture with access number NRRL B-50601, wherein said strain is Gram positive has mycelium shape and shows a fast growth on NSPs extracted from soy.