glucomannan
glucomannan
A heteroglycan consisting of β-(1→4)-linked <small>D</small>-glucose (G) and <small>D</small>-mannose (M) in a proportion of 5:8. The basic polymeric repeating unit has the pattern: GGMMGMMMMMGGM, with branching through β-(1→3)- and β-(1→6)-glucosyl linkages. Acetate groups are present on C-6 every 9-19 units of the main chain.