Inhibitors cellulolytic enzymes, xylanolytic and beta-glucanolytic.

The present invention relates to an inhibitor of xylanolytic enzymes and (be) glucanoliticias, process for obtaining the inhibitor, said inhibitor and method for micro-organisms, plant or plant material where the activity of the inhibitor according to the invention increases or decreases and the use of said inhibitor, said microorganism, plant or plant material in a multitude of processes and applications.