Clarification of Apple Juice with Laboratory- Produced-Pectinase Obtained From The Deterioration Of Apple (Malus domestica) fruitys by Aspergillus niger Journal title: International Journal of Advanced Biotechnology and Research. Authors: Ajayi, A.A., Osunkoya, F.A., Peter-Albert C. F. and Olasehinde, G. I. Subject(s):