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Tannins (or tannoids) are a cl**** of astringent,
polyphenolic biomolecules that bind to and
precipitate proteins and
various other organic compounds including...
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Tannin (Hebrew: תַּנִּין; Syriac: ܬܢܝܢܐ tannīnā plural: tannīnē; Arabic: التنين Tinnīn) or
Tunnanu (Ugaritic: 𐎚𐎐𐎐 tnn,
vocalized tu-un-na-nu) was...
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Condensed tannins (proanthocyanidins,
polyflavonoid tannins, catechol-type
tannins,
pyrocatecollic type
tannins, non-hydrolyzable
tannins or flavolans)...
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flavonoids and non-flavonoids.
Flavonoids include the
anthocyanins and
tannins which contribute to the
color and
mouthfeel of the wine. The non-flavonoids...
- liquor. Some
common types include: Vegetable-tanned
leather is
tanned using tannins extracted from
vegetable matter, such as tree bark
prepared in bark mills...
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Tannin usually refers to astringent,
bitter chemical compounds naturally occurring in plants,
which are used in
tanning hides and
prominent in the taste...
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Procyanidins are
members of the
proanthocyanidin (or
condensed tannins) cl**** of flavonoids. They are
oligomeric compounds,
formed from
catechin and epicatechin...
- 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...
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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....
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channel flowing through forested swamps or wetlands. As
vegetation decays,
tannins leach into the water,
making a transparent,
acidic water that is darkly...