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 …

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. …

Jan 28, 2025 · In simple terms, tannins are natural compounds found in plants. They exist in grape skins, seeds, and stems, and they’re the reason certain wines leave your mouth feeling …

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 …

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 …

Tannins are a group of naturally occurring polyphenolic compounds that are widely distributed in plants. They are known for their ability to bind and precipitate proteins, which gives them their …

Aug 27, 2024 · What are tannins? 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 …

Sep 25, 2025 · Tannins are bioactive products found naturally in plants, and to exert several health benefits, however, the challenge lies in the presence of tannins alongside other …

Tannins: beneficial antioxidants or blockers of nutrient absorption? We explore the complex health profile of these common plant compounds.