Coffee Pulp Activated Carbon for Immobilizing Cellulase from Aspergillus niger ICP2: Enhancing Enzyme Stability, Activity, and Its Reusability
Rudju Winarsa,
Nadhea Ayu Sukma,
Dina Afriyanti
et al.
Abstract:Cellulase from Aspergillus niger ICP2 was successfully immobilized on coffee pulp activated carbon using adsorption. Carbon was derived from coffee pulp via controlled carbonization at 200 °C for 2 hours, followed by activation with 3M ZnCl2 for 150 minutes. Reusability analysis exhibited over 50% relative activity retention after four cycles. The immobilized cellulase demonstrated stability at pH 4.0-6.0, retaining over 80% relative activity after 4 hours at 37℃. This approach proves economical for enhancing … Show more
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