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tannin    
n. 单宁酸

单宁酸

tannin
n 1: any of various complex phenolic substances of plant origin;
used in tanning and in medicine [synonym: {tannin}, {tannic
acid}]


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  • Tannin - Wikipedia
    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
  • Tannin | Definition, In Plants, Uses, Facts | Britannica
    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 used for tanning leather, dyeing fabrics, and making inks and have a variety of medical applications
  • What Is A Tannin? A Guide To Tannins | Wine 101 - VinePair
    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 Both
  • Tannins Explained: Key Herbal Benefits and Everyday Uses
    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 remain intact These differences make them useful in varied herbal applications
  • A Comprehensive Review of Bioactive Tannins in Foods and Beverages . . .
    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
  • An in-depth review on tannin sources, extraction methods, and . . .
    Table 1 lists different natural sources of tannins along with the specific plant parts, tannin types, their tannin content, and typical applications For example, oak bark and heartwood are sources of condensed tannins used in wine aging and leather tanning
  • Tannin - an overview | ScienceDirect Topics
    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 different minerals and macromolecules such as protein, cellulose, starch, and among other
  • What Are Tannins? - Food Revolution Network
    Like many other polyphenols, tannins act as antioxidants, helping to prevent and reverse cellular damage caused when free radicals attack our cells Biochemists refer to the tannins in food as forms of tannic acid There are two main classes of tannins: hydrolyzable tannins and proanthocyanidins
  • Tannins - US Forest Service
    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 phenolic acids (sometimes called tannic acid)





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