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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
  • 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
  • Tannin in foods: Classification, Dietary Sources, and Processing . . .
    Among them, tannins are widely distributed in plant-derived foods and play a significant role in food flavour and health effects However, tannins also hinder the absorption of essential minerals, vitamins, and proteins, reducing the overall nutritional value of foods
  • 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)
  • 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
  • Tannin Definition and Structures | Natural Chemistry Research Group
    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 precipitates





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