Optional Nerd Mode

Tannins, proteins, and astringency

Look beneath the drying sensation at tannin–saliva interactions.

4 min 40 secN03After Linked Level 1 lesson

Lesson map

Learn first. Taste second.

Prepare the class, complete the required wine–grape–idea primer, then press play and taste. The glossary and knowledge check follow the video.

The line worth keeping

Astringency is a dynamic oral process, not simply bitterness.