Xylan is a heteropolymer consisting of a backbone of b-1,4-linked D-xylopyranose residues with a-L-arabinofuranose, acetyl and glucuronic acid side chains. Xylanase (endo-1,4-b-D-xylanohydrolase; EC 3.2.1.8) , the xylan-degrading enzyme, has been reported from microorganisms. Xylanases have gained importance because of their extensive applications in industries especially in paper and pulp industry, bioconversion of agricultural wastes, fruit softening and clarifying juices, texture improvement of bakery products, production of xylose, textile industry, improvement of nutritional value of...