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Tannins (or tannoids) are a
class of astringent,
polyphenolic biomolecules that bind to and
precipitate proteins and
various other organic compounds including...
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Tannin (Hebrew: תַּנִּין
tannīn; Syriac: ܬܢܝܢܐ tannīnā plural: tannīnē; Arabic: التنين tinnīn,
ultimately from
Akkadian 𒆗𒉌𒈾 dannina) or
Tunnanu (Ugaritic:...
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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...
- A
hydrolysable 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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Condensed tannins (proanthocyanidins,
polyflavonoid tannins, catechol-type
tannins,
pyrocatecollic type
tannins, non-hydrolyzable
tannins or flavolans)...
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condensed tannins.
Quebracho tannin is also sold as an
enological tannin. The
quebracho tannins structure is very
similar to that of
grape tannins, making...
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where the
skins are processed. Historically,
vegetable based tanning used
tannin, an
acidic chemical compound derived from the bark of
certain trees, in...
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mouthfeel of tea.
Polyphenols in tea
include catechins, theaflavins,
tannins, and flavonoids.
Polyphenols found in
green tea include, but are not limited...
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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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Procyanidins are
members of the
proanthocyanidin (or
condensed tannins)
class of flavonoids. They are
oligomeric compounds,
formed from
catechin and epicatechin...
