“Valorization of the residue of the jabuticaba bark (Myrciaria cauliflora) for the production of exo-polygalacturonase with Aspergillus niger CCT 0916 ”, RSD, vol. 10, no. 1, p. e13810111592, Jan. 2021, doi: 10.33448/rsd-v10i1.11592.