What polysaccharides are found in celery?

* Cellulose: Cellulose is a structural polysaccharide that forms the main component of plant cell walls. It is a linear polymer of glucose molecules linked by β-1,4-glycosidic bonds.

* Hemicellulose: Hemicellulose is a group of branched polysaccharides that are found in the cell walls of plants. They are composed of various sugars, including xylose, arabinose, galactose, and mannose.

* Pectin: Pectin is a complex polysaccharide that is found in the cell walls of plants. It is composed of a backbone of galacturonic acid residues linked by α-1,4-glycosidic bonds.

* Lignin: Lignin is a complex polyphenolic compound that is found in the cell walls of plants. It is a major component of wood and is responsible for its strength and rigidity.