148 



BIOCHEMICAL SYSTEMATICS 



Table 8-3. Constitution and origin of typical higher ohgosaccharides (Shafizadeh 

 and Wolfrom, 1958)«. 



Common name 



Constitution 



Origin 



Maltotriose 



Panose 



Maltose 

 homologs 



Cellobiose 

 homologs 



Xylobiose 

 homologs 



Raffmose 



a-D-Gp-(l -^ 4)-a-D-Gp-(l ^ 4)- 

 D-Gp 



a-D-Gp-(l -^ 6)-a-D-Gp-(l -^ 4)- 

 D-Gp 



a-D-Gp-(l -^ 4)-[a-D-Gp- 

 (1 ^ 4)]2_3-D-Gp 



p-D-Gp-il -^ 4)-[/8-D-Gp- 



(1 ^ 4)]i_5-D-Gp 



/S-D-Xylp-(l-^4H/?-D-Xylp- 

 (1^4)]i_5-y8-D-Xylp 



a-D-Galp-(l -^ 6)-a-D-Gp- 

 (1 ^ 2) /J-D-Fru/ 



Hydrolysis of starch 



Degradation of amylopectin 

 and enzymic synthesis from 

 maltose 



Hydrolysis of starch 



Acetolysis of cellulose 



Hydrolysis of corn cob xylan 



Sugar beet, cotton seed hull, 

 other plants 



