What is Tannin?
'''Tannins''' are bitter-tasting [[chemical compound]]s that bind [[protein]]s. Tannins are present in the following: * [[Wine]] * [[Tea]] * [[Cannabis]] Tannins are also used in the treatment of [[leather]], to make it more durable. Natural tannins for this purpose come from oak trees, but synthetic tannins are more used. {{chem-stub}} {{Non-timber forest products}} [[Category:chemical compounds]]