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4-0-Methylglucurono  (xylan)  10 35  23  19  25  34  28  25  7 15  8  12  7  10  7  9











                         Arabinogalactan





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                                                                         1.2.5).
                         Glucomannan  2 5  4  4  4  3  7  7  5 10 b ,10 15 c  18  11  17  16  18  16  (Chapter  136  p.
                   Hemicellulose  Noncellulsic                           Handbook, Biomass
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                                                                         (Eds.),
               Wood   (Extractive                                        C.W.
               Some      Basis)                                          Hall,  O.,
               of     Lignin  Free  18 26  16  24  22  19  21  24  26 32  29  31  33  29  27  29  Kitani,  In:  (1981).
               Composition  Cellulose  43 47  53  49  42  41  40  41  39 43  44  44  42  41  44  43  Wood.  1989.  McKnight  and
               Polymeric    Average a             Average a  Cedar       F.W,  Taylor,  soluble.  Mullins  from


               3.4       Type  aspen  elm  birch  birch  maple  fir  white  hemlock  pine  spruce  T.P.,  water  soluble.  Adapted
               TABLE     Biomass  Hardwood  Trembling  White  Beech  White  Yellow  Red  Softwood  Balsam  Eastern  Eastern  Jack  White  Tamarah  a Schultz,  b Partially  c Water  Source:
   76   77   78   79   80   81   82   83   84   85   86