Tannins (or tannoids) are a class of astringent, polyphenolic biomolecules that bind to and precipitate proteins and various other organic compounds including amino acids and alkaloids.

Dec 23, 2025 · Tannin, any of a group of phenolic compounds in woody flowering plants that are important deterrents to herbivores and that have a number of industrial applications. Tannins are …

Tannins, a diverse class of polyphenolic compounds, are widely present in a variety of plant-based foods and beverages, where they contribute significantly to flavor, astringency, and numerous health benefits.

Have you ever bitten into an unripened apple and experienced an astringent (dry, puckery) feeling in your mouth? You have experienced tannins. Tannins are complex chemical substances derived from …

The term tannin refers to substances of plant origin containing phonemic groups used in tanning, dyeing, the making of inks, or in medicine. A more restrictive term denotes a substance extracted from plants …

Aug 27, 2024 · Tannins are a type of bitter and astringent chemical compound that belongs to a larger group called polyphenols. They occur abundantly in nature, namely in the bark of many trees and in …

The meaning of TANNIN is any of various soluble astringent complex phenolic substances of plant origin used especially in tanning leather and dyeing textiles, manufacturing ink, clarifying wine and beer, …