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Senegalia senegal (also known as Acacia senegal) is a small thorny deciduous tree from the genus Senegalia, which is known by several common names, including gum acacia, gum arabic tree, Sudan gum and Sudan gum arabic. In parts of India, it is known as kher, khor, or kumatiya.
Acacia gum, pieces and powder Acacia senegal, pictured in the medicinal handbook Köhler's Medizinal-Pflanzen (1887) by Franz Eugen Köhler. Gum arabic (gum acacia, gum sudani, Senegal gum and by other names [a]) is a tree gum exuded by two species of Acacia sensu lato, Senegalia senegal [2] and Vachellia seyal.
The exudate gum of this tree is known as gum arabic and has been collected from the pharaonic times for the manufacture of medicines, dyes and paints. In the present commercial market, gum arabic is defined as the dried exudate from the trunks and branches of Senegalia (Acacia) senegal or Vachellia (Acacia) seyal in the family Leguminosae ...
Coin collecting can be a fun and profitable hobby if you use the right buying and selling strategies -- especially for gold coins, which are highly prized by dealers and collectors. If you're just ...
Humans have used natural gums for various purposes, including chewing and the manufacturing of a wide range of products – such as varnish and lacquerware.Before the invention of synthetic equivalents, trade in gum formed part of the economy in places such as the Arabian peninsula (whence the name "gum arabic"), West Africa, [3] East Africa and northern New Zealand ().
On History Channel's hit show "Pawn Stars," a man came in to sell a 1907 Saint-Gaudens double eagle $20 gold coin. The coins are extremely rare, and some of them have sold for more than $1 million ...
Acacia nilotica (syn. Acacia arabica) is the gum arabic tree of India, but yields a gum inferior to the true gum arabic. Gum arabic is used in a wide variety of food products, including some soft drinks [22] and confections. The ancient Egyptians used acacia gum in paints. [23] Sap, from which gum can be made, oozing from an Acacia tree in ...
The appearance of the gum varies with the type and method of application, and may range from nearly invisible to dark brown globs. Types of gum used on stamps include: dextrin, produced by heating starch; gum arabic or acacia gum, derived from the acacia plant; glue, from gelatin, rarely seen on stamps; polyvinyl alcohol