Tannins are

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Multiple Choice

Tannins are

Explanation:
Tannins are natural compounds, a type of polyphenol, that come from the grape skins, seeds, and stems and also from the oak barrel during aging. They provide structure and aging potential to wine, contributing to a drying, astringent mouthfeel and a hint of bitterness, especially in red wines where skin contact is longer. They also help protect wine against oxidation and spoilage, acting as a kind of natural preservative. Because tannins originate from grape solids and wooden aging vessels, they’re not sugars, a person, or a vintage year.

Tannins are natural compounds, a type of polyphenol, that come from the grape skins, seeds, and stems and also from the oak barrel during aging. They provide structure and aging potential to wine, contributing to a drying, astringent mouthfeel and a hint of bitterness, especially in red wines where skin contact is longer. They also help protect wine against oxidation and spoilage, acting as a kind of natural preservative. Because tannins originate from grape solids and wooden aging vessels, they’re not sugars, a person, or a vintage year.

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