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The guar (from Persian: گوآر : gvār) or cluster bean, with the botanical name Cyamopsis tetragonoloba, is an annual legume and the source of guar gum. It is also known as gavar, gawar, or guvar bean. The genus name Cyamopsis means bean-like (from Greek: κύαμος : kýamos "bean" + Greek: ὄψις : ópsis "view').
The guar bean is principally grown in India, Pakistan, the United States, Australia and Africa. India is the largest producer, accounting for nearly 80% of world production. [3] In India, Rajasthan, Gujarat, and Haryana are the main producing regions. The US has produced 4,600 to 14,000 tonnes of guar over the last 5 years. [4] [when?
Tara gum is a white or beige, nearly odorless powder that is produced by separating and grinding the endosperm of T. spinosa seeds. [2] Tara gum consists of a linear main chain of (1-4)-β-D-mannopyranose units attached by (1–6) linkages with α-D-galactopyranose units. [ 23 ]
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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 ().
Other sugar polymers include vegetable gums such as pectin from Citrus peel, guar gum from the guar bean, and locust bean gum from the carob bean.. Agar, alginin and carrageenan are polysaccharides extracted from algae, xanthan gum is a polysaccharide secreted by the bacterium Xanthomonas campestris, and carboxymethyl cellulose is a synthetic gum derived from cellulose.
guar gum, mannose:galactose ~2:1; tara gum, mannose:galactose ~3:1; locust bean gum or carob gum, mannose:galactose ~4:1; cassia gum, mannose:galactose ~5:1; Galactomannans are often used in food products to increase the viscosity of the water phase. Guar gum has been used to add viscosity to artificial tears, but is not as stable as ...
PDA pics of Mauricio Umansky and Klaudia K emerged, but Kyle Richards' estranged husband is reportedly not looking for "anything serious" with the model.