Tannins 101: What they are and how they affect your wine – The Washington Post

1. Tannins are bountiful in the plant world. Tannins are polyphenols discovered in almost all plants– in bark, skin, seeds and stems. With anti-oxidant as well as anti-bacterial residential properties, they are among nature’s defenses versus disease. Early mankind figured out exactly how to saturate tannins out of plants as well as use them to “tan” animal hides and also make leather, changing something that would naturally rot into a strong, resilient product. The expression, “I’ll tan your conceal!”– utilized to intimidate a knocking– is a little a curiosity, as tanning does not entail striking the conceal. It does call for removing flesh from the conceal, however, and that may be what the expression indicates.