| 释义 |
Definition of Aleppo gall in English: Aleppo gallnoun A hard nutlike 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. The wasp is Cynips quercusfolii, family Cynipidae Also called nutgall Example sentencesExamples - In that year, more than 550,000 pounds of Aleppo galls were imported from Turkey.
- The best Aleppo galls, collected in Asiatic Turkey, principally in the province of Aleppo, are collected before the insects escape.
- 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.
- 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.
- The Aleppo gall has been used since the time of the Greeks as a nonfading ink.
Definition of Aleppo gall in US English: Aleppo gallnoun A hard nutlike 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. The wasp is Cynips quercusfolii, family Cynipidae Also called nutgall Example sentencesExamples - 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.
- The best Aleppo galls, collected in Asiatic Turkey, principally in the province of Aleppo, are collected before the insects escape.
- 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.
- The Aleppo gall has been used since the time of the Greeks as a nonfading ink.
- In that year, more than 550,000 pounds of Aleppo galls were imported from Turkey.
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