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Cellulose oligosaccharides

NMR measurements to deduce conformations of sugar rings, three-dimensional structures, and the degree of conformational flexibility in various parts of N-linked oligosaccharides (Fig. 4-21). Measurement of C-O-C -C spin-coulping constants is also of value.270 Use of multidimensional NMR has permitted analysis of mixtures of cellulose oligosaccharides.269... [Pg.192]

In their study of the optical rotations of the starch and cellulose oligosaccharides, Freudenberg and Kuhn developed the equation64... [Pg.160]

Figure 7. Analysis of normal and reduced members of the cellulose oligosaccharide series by charcoal chromatography. Components from left to right Glucose (G1) reduced cellobiose (G2H borohydride reduction) cellobiose (G2) reduced cellotriose (G3H) cellotriose (G3) reduced cellotetraose (G4H) cellotetraose (G4), and reduced cellopentaose (G5H)... Figure 7. Analysis of normal and reduced members of the cellulose oligosaccharide series by charcoal chromatography. Components from left to right Glucose (G1) reduced cellobiose (G2H borohydride reduction) cellobiose (G2) reduced cellotriose (G3H) cellotriose (G3) reduced cellotetraose (G4H) cellotetraose (G4), and reduced cellopentaose (G5H)...
Table IX. Characteristics of Cellulose Oligosaccharides as Donors to Glucose... Table IX. Characteristics of Cellulose Oligosaccharides as Donors to Glucose...
According to a recent report, the unit cell of cellotetraose hemihydrate in single crystals contains two antiparallel chains, which are conformationally distinct—especially in the sugar geometries.74 However, all hydroxymethyl groups adopt similar gt orientations. Whether this oligosaccharide morphology can be implemented for cellulose II in fibers remains to be seen. [Pg.331]

Dissociation of cell components — Ligiun fragment + Oligosaccharides + Cellulose... [Pg.67]

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