Effects of Agitation and Endoglucanase Pretreatment on the Hydrolysis of Cotton Fabrics by a Total Cellulase

Author:

Cavaco-Paulo Artur1,Almeida Luis1,Bishop David2

Affiliation:

1. Departamento de Engenharia Textil, Universidade do Minho. P-4800 Guimarães, Portugal

2. Department of Textiles & Fashion, De Montfort University, Leicester LE1 9BH, U.K.

Abstract

We have attempted to clarify the effects of low and high levels of mechanical agitation on the cellulolytic activity of a pure endoglucanase ( EG ) and a total cellulase mixture (TC) on scoured and bleached cotton fabric, along with the effect of EG pretreatment on subsequent treatments with TC. Methods used to follow the progress of fabric treatments include weight loss, breaking load loss, bending hysteresis, and the pro duction of soluble reducing sugars and reducing end groups in the fibers. The results show that agitation rate affects the mechanism of cellulolytic attack, and that this has implications for delivering desired finishing effects.

Publisher

SAGE Publications

Subject

Polymers and Plastics,Chemical Engineering (miscellaneous)

Reference18 articles.

1. Biely, P., Vrsanka, M., and Claeyssens, M., Mode of Action of Trichoderma reesei β-1,4-glucanases on Cello-oligosaccharides, in "Trichorderma reesei Cellulases And Other Hydrolases," Vol. 8, P. Suominen and T. Reinikainen, Eds. Foundation for Biotechnical and Industrial Fermentation Research, Finland, 1993, pp. 99-108.

2. Cellulase Hydrolysis of Cotton Cellulose: The Effects of Mechanical Action, Enzyme Concentration and Dyed Substrates

3. Kinetic Parameters Measured during Cellulase Processing of Cotton

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