Optional Nerd Mode
Why red wine is red
Separate extraction, visible colour, pigment stability, and astringency.
3 min 58 secN10After Level 2 Lessons 6–8
Lesson map
Choose where to begin
Each part of this lesson has its own page. Start with preparation, go directly to the background material, or return for the quiz after watching.
The line worth keepingColour amount, colour appearance, stability, and tactile grip are related questions—not interchangeable shortcuts.