galactan
/ɡəˈlaktan/Chemistry
noun
Any of a class of polysaccharides which are composed of a chain of galactose residues, and which yield galactose on hydrolysis.
- Galactans occur commonly in plant and microbial cell walls..
Origin
Late 19th century; earliest use found in Journal of the Chemical Society. From German Galactan, alteration of Galactin after Dextran.
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