Optional Nerd Mode
Why red wine is red
3 min 58 secN10After Level 2 Lessons 6–8
Glossary
Terms that have earned their place
- Anthocyanin
- A family of red and purple grape-skin pigments whose visible expression depends on chemistry and matrix.
- Extraction
- The movement of colour, tannin, aroma, and other material from grape solids into wine.
- Pigment stability
- The resistance of visible colour to bleaching, precipitation, and chemical change over time.
- Astringency
- A drying, roughing tactile response shaped by tannins, saliva, and the wine matrix.
- Matrix
- The rest of the wine—water, ethanol, sugar, acids, phenolics, and other compounds—that can change release and perception.
Keep digging
Sources and further reading
Sources support the teaching model; they do not make promotional regional descriptions universal bottle guarantees.