Metbak X is fungal xylanase enzyme preparation produced by a selected strain of Trichoderma Species. The enzymes will hydrolyse beta 1, 4 bonds in xylans and arabinoxylans. Metbak X also contains some amount of beta glucanase and cellulase as side enzymes. Metbak X is used in baking industry. Metbak X gives improvement in the quality of the baked goods, giving better crumb structure, larger volume and more freshness. It improves the elasticity of gluten network in bread dough by breaking down pentosans in flour.