TERMIUM Plus®

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QUERCITRON [2 records]

Record 1 2012-01-04

English

Subject field(s)
  • Chemical Elements and Compounds
  • Biochemistry
  • Dyes and Pigments (Industries)
  • Dietetics
Universal entry(ies)
C15H5O2(OH)5
formula, see observation
C15H10O7
formula, see observation
117-39-5
CAS number
DEF

A yellow crystalline flavonol pigment that occurs usually in the form of glycosides (as quercitrin and rutin) in various plants and in the form of the dihydro derivative in Douglas fir, and that is used as an antioxidant, an absorber of ultraviolet rays, in rubber, plastics and vegetable oils.

CONT

Quercetin is a polyphenolic bioflavonoid or flavonoid, more specifically classified as a flavonol. ... Bioflavonoids are ... commonly found in plants that are used as medicinal herbs like Hypericum perforatum (St. Johns Wort) and Sambucus nigra L (Elder flower). Quercetin is highly abundant in food and beverage sources that are part of the human diet such as broccoli, lettuce, apples, tomatoes, onions, wine, tea, and coffee.

OBS

H-: The "H-" must be italicized.

OBS

yellow flavin: commercial name.

OBS

Chemical formula: C15H5O2 or C15H10O7

French

Domaine(s)
  • Éléments et composés chimiques
  • Biochimie
  • Teintures et pigments (Industries)
  • Diététique
Entrée(s) universelle(s)
C15H5O2(OH)5
formula, see observation
C15H10O7
formula, see observation
117-39-5
CAS number
CONT

[La] quercétine [est un] flavonol [...] qui se rencontre sous forme d'hétéroside dans le houblon, le marronnier, le quercitron, le thé, etc., et qui est utilisé comme colorant jaune de la laine et de la soie.

CONT

La quercétine est un flavonoïde de type flavonol. [...] de nombreuses plantes médicinales doivent leur efficacité à leur fort taux en quercétine.

OBS

Ne pas confondre «quercétol» avec «quercitol».

OBS

H- : La lettre «H-» s'écrit en italique.

OBS

Formule chimique : C15H10O7 ou C15H5O2(OH)5

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
  • Bioquímica
  • Tinturas y pigmentos (Industrias)
  • Dietética
Entrada(s) universal(es)
C15H5O2(OH)5
formula, see observation
C15H10O7
formula, see observation
117-39-5
CAS number
OBS

Fórmula química: C15H5O2 or C15H10O7

Save record 1

Record 2 2010-06-04

English

Subject field(s)
  • Seed Plants (Spermatophyta)
Universal entry(ies)
OBS

A plant of the family Fagaceae.

OBS

The bark of this species [quercitron] is rich in tannins and was once an important source of these chemicals used for tanning leather. (The yellow dye obtained from the bark is also called quercitron.)

French

Domaine(s)
  • Plantes à graines (Spermatophyta)
Entrée(s) universelle(s)
OBS

Plante de la famille des Fagaceae.

OBS

chêne noir: nom commun employé pour désigner l'espèce Quercus nigra.

Spanish

Campo(s) temático(s)
  • Plantas con semilla (Spermatophyta)
Entrada(s) universal(es)
OBS

Se evitan los otros dos nombres con que también se le designa, "roble rojo americano" y "roble negro americano", puesto que éstos se aplican indistintamente a varias especies americanas de Quercus.

OBS

Árbol de la familia fagáceas... Distribución: Este y centro de los Estados Unidos.

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