insoluble dietary fibre high molecular weight dietary fibre added dietary fibre non-starch non-cellulosic polysaccharide chitin 0 221.08994 221.209 (1->4)-2-acetamido-2-deoxy-beta-D-glucan kegg.glycan:G10483 Chitin cas:1398-61-4 kegg.compound:C00461 (C8H13NO5)n.H2O CHEBI:3596 CHEBI:13962 chitin CHEBI:17029 chebi_ontology [1,4-(N-Acetyl-beta-D-glucosaminyl)]n CHEBI:23099 [4)-beta-D-GlcpNAc(1->]n InChI=1S/C8H15NO6/c1-3(11)9-5-7(13)6(12)4(2-10)15-8(5)14/h4-8,10,12-14H,2H2,1H3,(H,9,11)/t4-,5-,6-,7-,8-/m1/s1 beta-1,4-Poly-N-acetyl-D-glucosamine An aminoglycan consisting of β-(1→4)-linked <em>N</em>-acetyl-<small>D</small>-glucosamine residues. [H]O[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1NC(C)=O (1->4)-2-acetamido-2-deoxy-beta-D-glucan OVRNDRQMDRJTHS-FMDGEEDCSA-N