A tough, flexible polysaccharide that forms the primary structural component of arthropod exoskeletons, fungal cell walls, and some other biological structures. It provides strength and protection while remaining lightweight.
From Greek 'chiton' meaning tunic or covering, referring to the protective layer it forms. The chemical compound was first identified and named by French scientist Henri Braconnot in 1811 when studying insect shells.
Chitin is one of the most abundant natural polymers on Earth, second only to cellulose, yet most people have never heard of it! This remarkable substance is so versatile that scientists are now using it to create biodegradable plastics and medical sutures, learning from millions of years of arthropod engineering.
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