Definition of Tannins. Meaning of Tannins. Synonyms of Tannins

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

Definition of Tannins

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 Tannins from wikipedia

- the destruction or modification of tannins with time plays an important role when determining harvesting times. Tannins have molecular weights ranging from...
- Tannin (Hebrew: תַּנִּין tannīn; Syriac: ܬܢܝܢܐ tannīnā plural: tannīnē; Arabic: التنين tinnīn, ultimately from Akkadian 𒆗𒉌𒈾 dannina) or Tunnanu (Ugaritic:...
- Hydrolysable tannins have shown also potential antibacterial effects against Helicobacter pylori. In the past few years, hydrolysable tannins have also been...
- Condensed tannins (proanthocyanidins, polyflavonoid tannins, catechol-type tannins, pyrocatecollic type tannins, non-hydrolyzable tannins or flavolans)...
- The reaction of tannins and anthocyanins with the phenolic compound catechins creates another class of tannins known as pigmented tannins which influence...
- procyanidins or the oxidation of condensed tannins. It is also used for lignin quantitation. Reaction on condensed tannins from Douglas fir bark produces epicatechin...
- many different species of plants. Tannins are separated into two classes: hydrolysable tannins and condensed tannins. Depending on their concentration...
- condensed tannins. Quebracho tannin is also sold as an enological tannin. The quebracho tannins structure is very similar to that of grape tannins, making...
- can be applied to woods low in tannin so chemical stains that require tannin content will react. The presence of tannins in the bark of redwood (Sequoia)...
- grape tannins as well as introduce softer "wood tannins". The choice of fining agents can also reduce tannins with gelatin and egg whites being positively-charged...