Scouring of cotton with cellulases, pectinases and proteases


Karapinar E., Sariisik M.

FIBRES & TEXTILES IN EASTERN EUROPE, vol.12, no.3, pp.79-82, 2004 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 12 Issue: 3
  • Publication Date: 2004
  • Journal Name: FIBRES & TEXTILES IN EASTERN EUROPE
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.79-82
  • Keywords: cellulose, protease, pectinase, cotton scouring, wettability
  • Dokuz Eylül University Affiliated: Yes

Abstract

Cotton may contain between 4 and 12% by weight of impurities in the form of waxes, proteins, pectins, ash, and miscellaneous substances such as pigments, hemicelluloses and reducing sugars. These impurities are removed from the fabric by scouring, since their hydrophobic nature negatively affects the enhancement of the fabric's wettability and absorbency. In this work, pectinase, protease and cellulose were used in various combinations for different treatment times, either in the baths containing one enzyme or different enzyme combinations, in order to evaluate the effects of these enzymes on 100% cotton fabric wettability and absorbency. At the end of the enzymatic and alkaline scourings, the wettability and absorbency properties of the garments were evaluated in terms of wettability CIE*L, WI values and pectin analysis by Ruthenium Red dyeing. Furthermore, the effects of bioscouring on bleaching and dyeing were also investigated. At the end of the evaluation tests, it was found that in order to achieve adequate wettability and absorbency, cellulase + pectinase and cellulase + pectinase + protease gave better results than other enzymatic combinations.