Appearance
"Quercus infectoria" is a small tree native of Greece and Asia Minor, with four to six feet in height. The stems are crooked, shrubby looking with smooth and bright-green leaves borne on short petioles of 1 to 1.5 inches long. The leaves are bluntly mucronate, rounded, smooth, unequal at the base and shiny on the upper side.The galls arise on young branches of the Quercus Infectoria tree when gall wasps sting the oak tree and deposit their larvae the chemical reaction causes an abnormality in the oak tree causing hard balls to be formed. They are corrugated in appearance.
Distribution
"Quercus infectoria" is indigenous to parts of southern Europe and the Middle East. It also grows in South and Southwestern Asia.
Uses
"Quercus infectoria" can be used as a thickener in stews or mixed with cereals for making bread.Also known as Majuphal in Indian traditional medicine, manjakani has been used as dental powder and in the treatment of toothache and gingivitis.
The so-called "Aleppo tannin" is Tannic acid gained from Aleppo oak galls, which displays unique chemical properties essential in the preparation of gold sols used as markers in Immunocytochemistry.
Nowadays, gallnut extracts are also widely used in pharmaceuticals, food and feed additives, dyes, inks, and metallurgy.Nowadays, gall nut extracts are widely used in pharmaceuticals, medical laboratory techniques as well as inks which use "Aleppo tannin", food and feed additives, dyes, and metallurgy.The so-called "Aleppo tannin" is tannic acid gained from Aleppo pine galls, which displays unique chemical properties essential in the preparation of gold sols used as markers in immunocytochemistry.
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