The astringency that imparts a sought-after quality to black teas.

Astringent or tangy quality of the infusion.

Not a taste, but the astringent puckeriness that gives black tea its refreshing quality.

A very brisk and "alive" tea liquor. A desirable trait.

Tasting term used to indicate a powerful initial sensation of acidity or tannin, which grabs attention immediately the wine is tasted.