Effect of adsorption characteristics of a modified cellulase on indigo backstaining | Zendy

Mamma Diomi | Zendy; Kalantzi Styliani A | Zendy; Christakopoulos Paul | Zendy

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Effect of adsorption characteristics of a modified cellulase on indigo backstaining

Author(s) -

Mamma Diomi,

Kalantzi Styliani A,

Christakopoulos Paul

Publication year - 2004

Publication title -

journal of chemical technology and biotechnology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.64

H-Index - 117

eISSN - 1097-4660

pISSN - 0268-2575

DOI - 10.1002/jctb.1033

Subject(s) - cellulase , papain , chemistry , cellulose , adsorption , chromatography , protease , digestion (alchemy) , biochemistry , enzyme , organic chemistry

The effect of limited proteolysis (digestion) of a commercial cellulase preparation (Ecostone ® L350) on backstaining with indigo was investigated. The influence of protease (papain) concentration on limited proteolysis of cellulase preparation was studied, applying different ratios of papain/cellulase (w/w). Changes in adsorption on Avicel cellulose of the non‐digested compared with the papain‐digested Ecostone ® L350 were examined using the Langmuir adsorption isotherm. The non‐digested Ecostone ® L350 exhibited stronger interaction to Avicel cellulose compared with the digested form, while the maximum efficiency of cellulase adsorption to Avicel cellulose decreased after digestion. When papain‐digested Ecostone ® L350 was applied on cotton fabrics during the dyeing procedure with indigo, a reduction of indigo backstaining was obtained compared with the non‐digested Ecostone ® L350. Copyright © 2004 Society of Chemical Industry

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