Tannin
Definition
Polyphenolic compounds that bind and precipitate proteins, producing an astringent taste. Tannins defend plants against herbivores and pathogens. They occur in oak bark, grape skins, tea, and unripe fruit, and are used industrially in leather tanning.
More Ethnobotany & Uses Terms
Explore Plant Species
See how the concept of "Tannin" applies across different plant species.