Tannins in Wine? – Here’s Everything You Need to Know
Tannins occur naturally in seeds, plants, wood, fruit skins, leaves, and bark. The technical term for tannins is polyphenols. Polyphenols are a type of macromolecules that are a combination of both oxygen and hydrogen.
Wine tannins come from stems, seeds, grape skins, and oak barrels. When stems, seeds, and skins soak in juice, tannins are released. The more time they spend in the juice, the more tannin is released. Continue reading