Polygalacturonase enzyme from Aspergillus sojae DH56 and its production from a formulated low cost (orange peel waste) media. Inventors: Canan Tari; Ali Oguz Buyukkileci; Sevcan Unluturk; Marcelo Fernandez Lahore; Doreen Heerd. Turkish Patent: TPE No: TR201205330B patent no: 2012/05330