Chitin is a large, structural polysaccharide found in the cell walls of fungi, the exoskeletons of insects, and certain hard structures in fish and invertebrates.

7-Hydroxy-6-acetyl-2 methylchromone

Aspalathin is a C-linked dihydrochalcone glucoside found in rooibos tea, a herbal tea prepared from the South African rooibos plant, Aspalathus linearis (Fabaceae).