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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. However, the term "gum arabic" does not actually indicate a particular botanical source. [ 1 ]
Glucuronic acid (from Greek γλεῦκος "sweet wine, must" and οὖρον "urine") is a uronic acid that was first isolated from urine (hence the name "uronic acid"). It is found in many gums such as gum arabic (approx. 18%), xanthan, and kombucha tea and is important for the metabolism of microorganisms, plants and animals.
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 ().
Arabinogalactan, also known as galactoarabinan, larch arabinogalactan, and larch gum, is a biopolymer consisting of arabinose and galactose monosaccharides. Two classes of arabinogalactans are found in nature: plant arabinogalactan and microbial arabinogalactan. In plants, it is a major component of many gums, including gum arabic and gum ghatti.
In philately, gum is the substance applied to the back of a stamp to enable it to adhere to a letter or other mailed item. The term is generic, and applies both to traditional types such as gum arabic and to synthetic modern formulations. Gum is a matter of high importance in philately.
Octenyl succinic acid modified gum Arabic is known to the FAO as a food additive. [1] It has E number E423, and is a chemical modification of gum arabic. Synopsis
Mastic and gum arabic are indeed two very different substances, from different plants, with different properties and uses. Gum arabic is soluble in water, and once formed the basis for the glue on postage stamps and envelope flaps. It is also used in vernice bianca, which would not work at all if someone tried to substitute mastic for the gum ...
Trade and services along the borders with Ethiopia and Eritrea also play a significant role in the state's economy. The introduction of mechanized agricultural methods in 1945 significantly expanded arable land to 7,162,133 hectares, while 2,376,563 hectares of forest contribute to the production of gum arabic. [citation needed]