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QUERCUS TINCTORIA [2 records]

Record 1 2011-01-21

English

Subject field(s)
  • Dyes and Pigments (Industries)
  • Chemistry
  • Pharmacology
Universal entry(ies)
C21H20O11
formula, see observation
DEF

A bitter pale yellow crystalline glycoside ... obtained esp. from quercitron bark and yielding quercetrin and rhamnose on hydrolysis.

CONT

Quercitrin [is] used as a textile dye.

OBS

Quercitrin is known commercially as "red flavin".

OBS

Chemical formula : C21H20O11

French

Domaine(s)
  • Teintures et pigments (Industries)
  • Chimie
  • Pharmacologie
Entrée(s) universelle(s)
C21H20O11
formula, see observation
CONT

La quercitrine, glucoside constitué de la quercétine et du rhamnose [...] est une substance jaune cristalline très répandue dans le règne végétal. Elle a été isolée pour la première fois de Quercus tinctoria dont elle a pris le nom.

OBS

Formule chimique : C21H20O11

Spanish

Campo(s) temático(s)
  • Tinturas y pigmentos (Industrias)
  • Química
  • Farmacología
Entrada(s) universal(es)
C21H20O11
formula, see observation
OBS

Fórmula química: C21H20O11

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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