Exopectinases (EPs) production by Aspergillus niger (C28B25) was studied on both solid-state (SSF), which was carried out on polyurethane foam (PUF), and submerged fermentation (SmF). Two different synthetic media (with and without sucrose) and two different water activities (Aw; 0.995 and = 0.96, which were adjusted by using ethylene glycol)...