Abstract

Summary Cellulosic wastes, artichoke leaves and stalks, sugar-cane bagasse and fennel seeds after extraction of essential oils were treated with various concentrations of peracetic acid at 100 °C, 60 °C and room temperature several times, washed with water and ethanol and air dried. The degree of enzymatic solubilization of each treated cellulosic waste was measured with Aspergillus niger cellulase (Endo-1,4-B-Glucanase; 1,4-(1,3; 1,4)-β-D-glucan 4-glucanohydrolase; EC 3. 2.1.4). Artichoke waste and sugar-cane bagasse were solubilized more effectively by the enzymethan fennel waste. Data are presented describing the effect of time, enzyme and substrate concentration on the rate of enzymic hydrolysis. Infrared spectra of the treated and untreated cellulosic materials were recorded.

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