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The phenomenon of polymer adsorption was applied to modify the surface of microcrystalline cellulose (MCC). The active polymer sodium carboxymethyl cellulose (CMCNa), having different molecular weight was used to produce modified MCCs. The average particle size of unmodified MCC was about 14.208 ± 0.064 μm, and it was increased to 19.576 ± 0.26 μm after modification. The modified MCCs exhibited a typical shear thinning behavior. It suggested that the molecular weight of active polymer had an amenable and significant influence on the physicochemical properties and stability of MCCs. The composites prepared from CMCNa with high molecular weight were more stable than others. Moreover, dried MCCs could be re-dispersed in water and could be used as a stabilizer for Pickering emulsions. The obtained emulsions (CMCNa-c) showed higher stability against pH changes, ionic strength and coalescence during storage. It suggested that the re-dispersible MCCs played a significant role in stabilization of emulsions. Furthermore, the re-dispersible MCCs preserved the original properties of un-dried composites and could also be used in other food allied sectors.
This article was published in the following journal.
Name: International journal of biological macromolecules
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Cellulose derivative used in chromatography, as ion-exchange material, and for various industrial applications.
A type of ion exchange chromatography using diethylaminoethyl cellulose (DEAE-CELLULOSE) as a positively charged resin. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
A cellulose of varied carboxyl content retaining the fibrous structure. It is used as a local hemostatic and as a matrix for normal blood coagulation.
A family of glycosidases that hydrolyse crystalline CELLULOSE into soluble sugar molecules. Within this family there are a variety of enzyme subtypes with differing substrate specificities that must work together to bring about complete cellulose hydrolysis. They are found in structures called CELLULOSOMES.
An exocellulase with specificity for the hydrolysis of 1,4-beta-D-glucosidic linkages in CELLULOSE and cellotetraose. It catalyzes the hydrolysis of terminal non-reducing ends of beta-D-glucosides with release of CELLOBIOSE.
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