Abstract
Tubercularia vulgaris produces extracellular pectolytic activity in solid state culture using citrus pulp pellets as a carbon source. Five peaks containing hydrolase activities were separated by ion exchange chromatography (DEAE-Sephacel). Two enzymatic forms, PG II and PG III, were purified about 8 and 10 fold, respectively. The molecular weight of PG II was similar to that of PG III (24.000 Da). The two enzymes had similar endo activities on polygalacturonic acid, as determined by comparison of viscosity reduction and reducing groups release.
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