Tannic acid
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. The chemical formula for commercial tannic acid is often given as C76H52O46, which corresponds with decagalloyl glucose, but in fact it is a mixture of polygalloyl glucoses or polygalloyl quinic acid esters with the number of galloyl moieties per molecule ranging from 2 up to 12 depending on the plant source used to extract the tannic acid. Commercial tannic acid is usually extracted from any of the following plant parts: Tara pods (Caesalpinia spinosa), gallnuts from Rhus semialata or Quercus infectoria or Sicilian sumac leaves (Rhus coriaria).
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Acidum tannicumAllotanninC28H22O11C28H24O11C28H24O12C28H26O15C28H28O14C34H30O17C76H52O46Decagalloyl glucoseGallotanic acidGallotannic acidGallotonnicGallotonnic acidOak bark tanninsQuerci-tannic acidQuerci tannic acidQuercitannateQuercitanninQuerco-tannic acidQuerco tannic acidQuercotannic acidRochlederTannic AcidTannimum
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AcidumAcidum tannicumActinAesculus glabraAllotanninAlnus glutinosaAmerican lagerAmmonia fumingAmmonia solutionAndricus kollariArctostaphylos uva-ursiAstringentAtramentumBark (botany)BearberryBig_SurBistorta officinalisBlackBogC28H22O11C28H24O11C28H24O12C28H26O15C28H28O14C34H30O17C76H52O46Canarium_ovatumCannonCascada del VinoChemistry setChestnutChukrasiaCitrobacter freundii
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Tannic acid
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. The chemical formula for commercial tannic acid is often given as C76H52O46, which corresponds with decagalloyl glucose, but in fact it is a mixture of polygalloyl glucoses or polygalloyl quinic acid esters with the number of galloyl moieties per molecule ranging from 2 up to 12 depending on the plant source used to extract the tannic acid. Commercial tannic acid is usually extracted from any of the following plant parts: Tara pods (Caesalpinia spinosa), gallnuts from Rhus semialata or Quercus infectoria or Sicilian sumac leaves (Rhus coriaria).
has abstract
El ácido tánico se trata de un ...... s, aunque en menor proporción.
@es
Kwas taninowy (kwas garbnikowy ...... Dawniej pozyskiwany z galasów.
@pl
L'acide tannique (Acidum tanni ...... similaire à l'acide gallique.
@fr
L'acido tannico è la forma con ...... n è pericoloso per l'ambiente.
@it
L'àcid tànnic es tracta d'un à ...... te, espinacs i panses negres.
@ca
Looizuur of gallotannine is ee ...... 91-2: Floris ende Blancefloer.
@nl
O ácido tánico trata-se de um ...... ainda que em menor proporção.
@pt
Tannic acid is a specific form ...... ts poorly defined composition.
@en
Tanninsäure, auch Gerbsäure od ...... Hydroxygruppen schwach sauer.
@de
Дуби́льная кислота́ — сложная ...... охранения, 1963), — C76H52O46.
@ru
alternative name
Acidum tannicum
@en
Digallic acid
@en
Gallotannic acid
@en
Gallotannin
@en
Oak bark tannin
@en
Querci-tannic acid
@en
Quercitannin
@en
Querco-tannic acid
@en
Quercotannic acid
@en
Tannimum
@en
IUPAC name
1,2,3,4,6-penta-O-{3,4-dihydro ...... oxy]benzoyl}-(D)-glucopyranose
@en
2,3-dihydroxy-5-({[(2R,3R,4S,5 ...... henyl 3,4,5-trihydroxybenzoate
@en
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1,020,447,165
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@en
@en
imagesize
IUPACName
OtherNames
Acidum tannicum
@en
Digallic acid
@en
Gallotannic acid
@en
Gallotannin
@en
Oak bark tannin
@en
Querci-tannic acid
@en
Quercitannin
@en
Querco-tannic acid
@en
Quercotannic acid
@en
Tannimum
@en
SystematicName
Verifiedfields
changed
@en
verifiedrevid
408,795,684
Watchedfields
changed
@en
wikiPageUsesTemplate
hypernym
comment
El ácido tánico se trata de un ...... s, aunque en menor proporción.
@es
Kwas taninowy (kwas garbnikowy ...... Dawniej pozyskiwany z galasów.
@pl
L'acide tannique (Acidum tanni ...... similaire à l'acide gallique.
@fr
L'acido tannico è la forma con ...... n è pericoloso per l'ambiente.
@it
L'àcid tànnic es tracta d'un à ...... te, espinacs i panses negres.
@ca
Looizuur of gallotannine is ee ...... voor het leerlooien gebruikt.
@nl
O ácido tánico trata-se de um ...... ainda que em menor proporção.
@pt
Tannic acid is a specific form ...... sumac leaves (Rhus coriaria).
@en
Tanninsäure, auch Gerbsäure od ...... Hydroxygruppen schwach sauer.
@de
Дуби́льная кислота́ — сложная ...... охранения, 1963), — C76H52O46.
@ru
label
Acide tannique
@fr
Acido tannico
@it
Kwas taninowy
@pl
Looizuur
@nl
Tannic acid
@en
Tanninsäure
@de
Àcid tànnic
@ca
Ácido tánico
@es
Ácido tânico
@pt
Дубильная кислота
@ru