Page 87 - Basic Principles of Textile Coloration
P. 87

Starch                                                                                                                                                      76 NATURAL CELLULOSIC FIBRES

H  Figure 5.2 Relationships between the structures of cellulose, starch and their monomers;H
see previous page for cellulose
O CH2OH O                 H                        CH2OH O              HO
                    H         CH2OH  OH
                              HO
HO            OH H                          HO         OH H                  CH2OH         H
           H        O                     HH                 O               HO

      H                                            H                                   OH

                                     OH

                       H  OH                                         H       OH
                                 H Amylose                                          H

                                      (one component

                                           of starch)

                                                                Hydrolysis

                                                             H  CH2OH O
                                                       HO               H

                                                       HO               OH H
                                                                  H           OH

                                                             H

                                                                α-D-Glucose
   82   83   84   85   86   87   88   89   90   91   92