Hemicellulose contains chains of xylose molecules.

Hemicellulose

A class of polysaccharides found in plant cell walls that works alongside cellulose and lignin to provide structural support.

Xylose

A sugar extracted from wood or straw and used as a dietary supplement or in the production of materials such as xylitol.

Chains

Sequences of items or elements linked or connected together, often found in polymers, proteins, or chemical compounds.