Bentouhami N, Mechri S, Moumnassi S, et al. Characterization of Immobilized Endo-Polygalacturonase PGC-AN64 from Aspergillus niger HO32 with Potential Biotechnological Interest . TJNPR. 2025;9(5):2341 – 2349. doi:10.26538/tjnpr/v9i5.64