Definition of Tannin. Meaning of Tannin. Synonyms of Tannin

Here you will find one or more explanations in English for the word Tannin. Also in the bottom left of the page several parts of wikipedia pages related to the word Tannin and, of course, Tannin synonyms and on the right images related to the word Tannin.

Definition of Tannin

tannin
Tannic Tan"nic, a. Of or pertaining to tan; derived from, or resembling, tan; as, tannic acid. Tannic acid. (Chem.) (a) An acid obtained from nutgalls as a yellow amorphous substance, C14H10O9, having an astringent taste, and forming with ferric salts a bluish-black compound, which is the basis of common ink. Called also tannin, and gallotannic acid. (b) By extension, any one of a series of astringent substances resembling tannin proper, widely diffused through the vegetable kingdom, as in oak bark, willow, catechu, tea, coffee, etc.
Tannin
Tannin Tan"nin, n. [Cf. F. tannin.] (Chem.) Same as Tannic acid, under Tannic.

Meaning of Tannin from wikipedia

- Tannins (or tannoids) are a cl**** of astringent, polyphenolic biomolecules that bind to and precipitate proteins and various other organic compounds including...
- Tannin (Hebrew: תנין‎; Syriac: ܬܢܝܢܐ‎ tannīnā plural: tannīnē; Arabic: التنين‎ Tinnin) or Tunannu (Ugaritic: 𐎚𐎐𐎐 tnn, vocalized tu-un-na-nu) was a sea...
- Condensed tannins (proanthocyanidins, polyflavonoid tannins, catechol-type tannins, pyrocatecollic type tannins, non-hydrolyzable tannins or flavolans)...
- flavonoids and non-flavonoids. Flavonoids include the anthocyanins and tannins which contribute to the color and mouthfeel of the wine. The non-flavonoids...
- A hydrolyzable tannin or pyrogallol-type tannin is a type of tannin that, on heating with hydrochloric or sulfuric acids, yields gallic or ellagic acids...
- many different species of plants. Tannins are separated into two cl****es: hydrolysable tannins and condensed tannins. Depending on their concentration...
- condensed tannins. Quebracho tannin is also sold as an enological tannin. The quabracho tannins structure is very similar to that of grape tannins, making...
- Tannic acid is a specific form of tannin, a type of polyphenol. Its weak acidity (pKa around 6) is due to the numerous phenol groups in the structure....
- fruit has a high proanthocyanidin-type tannin content which makes the immature fruit astringent and bitter. The tannin levels are reduced as the fruit matures...
- bark of V. nilotica subsp. indica has a tannin content of greater than 20%. The pods without seeds have a tannin content of about 18-27% The bark has been...
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