The present invention provides methods for high-temperature biopreparation of cellulosic fibers by contacting the fibers with pectin-degrading enzymes, preferably thermostable, alkaline, divalent cation-independent pectate lyases, under conditions compatible with scouring and bleaching technologies.

A invenção atual fornece métodos para o biopreparation de alta temperatura de fibras cellulosic contatando as fibras com os enzymes pectin-degradando, lyases cation-independentes preferivelmente thermostable, alcalinos, divalent do pectate, sob as circunstâncias compatíveis com as tecnologias scouring e descorando-se.