From Wikipedia, the free encyclopedia
Jump to: navigation, search
Not to be confused with Glycan.

A glucan molecule is a polysaccharide of D-glucose monomers,[1] linked by glycosidic bonds.

Many beta-glucans are medically important. They represent a drug target for antifungal medications of the echinocandin class.


The following are glucans: (The α- and β- and numbers clarify the type of O-glycosidic bond.)


Main article: Alpha glucan
  • dextran, α-1,6-glucan with α-1,3-branches
  • glycogen, α-1,4- and α-1,6-glucan
  • pullulan, α-1,4- and α-1,6-glucan
  • starch, α-1,4- and α-1,6-glucan


Main article: Beta glucan


Properties of Glucans include resistance to oral acids/enzyme and water insolubility.Glucans extracted from grains tend to be both soluble and insoluble.

See also[edit]


  1. ^ Glucans at the US National Library of Medicine Medical Subject Headings (MeSH)