Abstract
The pectinase enzymes attack in several ways; the pectin is widely used in processing fruit juices, extracting vegetable oil, processing alcoholic drinks, and various uses in food industries. The present study was carried out to utilize an agro-industrial by-product (date syrup) as a carbon source for the growth of different fungi and the production of the pectinase enzyme. Four types of fungi (Penicillium lilacinum, Mucor geophillus, Aspergillus niger and Aspergillus fumigatus) were used in this study. The maximum production rate of pectinase was observed by A. niger when grown on a mineral medium incorporated with 2.5% and 5% date syrup compared to other fungi used. The highest rate of pectinase, 5.68 units/ml, was produced after 72 hours when A. niger was grown on 5% date syrup.
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