Tartaric Acid

/tar-TAR-ik AS-id/

The primary acid in wine grapes.

Full Definition

Tartaric acid is the principal grape acid, relatively stable unlike malic acid which breaks down with heat or malolactic fermentation. It provides crisp, clean acidity essential for balance and preservation. In cold conditions, it precipitates as harmless tartrate crystals (wine diamonds) on corks or bottle bottoms.

Related Terms

tartrates acidity malic acid

See Also

ph total acidity

Tannin Back to Glossary Tartrates

More terms starting with T

Tannin

Polyphenols creating dry, astringent mouthfeel.

Tartrates

Harmless crystals that precipitate from wine.

TCA

Chemical compound causing cork taint.

Terroir

The complete natural environment affecting wine character.

Tertiary Aromas

Complex aromas developed through aging.

Texture

The tactile sensation of wine in the mouth.