Polysaccharides
- Long chain polymers of monosaccharides. - Present in acid insoluble fraction.
- Examples : 1. Cellulose : It is a homopolymer with glucose as unit. Cellulose is found in cell wall of plants, algae, etc. 2. Starch : It is also a homopolymer of glucose. It serve as store house of energy in plant tissues. 3. Glycogen : It is a homopolymer of glucose. It serve as store house of energy in animals. 4. Inulin : It is a homopolymer of fructose. 5. Chitin : It is a complex homopolysaccharide made up of N-acetyl glucosamine (NAG). It is found in the exoskeleton of arthropods and cell wall of fungi. 6. Mucopolysaccharides : These are complex polysaccharides and heteropolymer of amino sugars and other chemically modified sugars.