Definición de Aleppo gall en inglés:

Aleppo gall

Saltos de línea: Aleppo gall

sustantivo

  • A hard nut-like gall that forms on some varieties of oak in response to the developing larva of a gall wasp. It is used as a source of gallic acid and tannin. Also called nutgall.
    • The wasp is Cynips quercusfolii, family Cynipidae
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    • In that year, more than 550,000 pounds of Aleppo galls were imported from Turkey.
    • The main constituents of Aleppo galls are 50 to 70 per cent of gallotannic acid, 2 to 4 per cent of gallic acid, mucilage, sugar, resin and an insoluble matter called lignin.
    • Oak galls, primarily Aleppo galls or Mecca Galls imported from Turkey contain 50 to 70% gallotannic acid and were a major source of gallic and tannic acid used in tanning and dyeing.

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