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.

Nov 14, 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 …

Tannins are naturally occurring phenolic compounds found in many kinds of plants, including a grape’s skins, stems, and seeds. Tannins help provide texture, balance, and structure to wine. …

The word tannin comes from the old German word tanna meaning oak. It refers to the use of wood tannins derived from oak trees that were used to convert animal hides into leather.

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 …

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 …

In conclusion, tannins are polyphenolic compounds with diverse chemical properties and functions. They can be classified into hydrolyzable tannins and condensed tannins and are …

According to a biochemical definition, tannins are compounds that have a tendency to interact with aqueous solutions of proteins and other biological macromolecules to form insoluble …

Tannin is a polyphenol compound present in vascular plants with molecular weight ranging from 500 to 3000 kDa. Tannins are characterized, by their ability to form strong complex with …

Tannins are water-soluble polyphenolic compounds. They come in two main types: hydrolyzable tannins and condensed tannins. Hydrolyzable tannins break down in water, while condensed …