Guar gum is extracted from guar bean also known as Cyamopsis Tetragonoloba. The guar beans are principally grown in India where it accounts for 80% of global trade in guar products (Reuters report). Rajasthan in the north western part of India being the most important destination for guar gum processing.
Guar gum is basically a polysaccharide composed of the galactose and mannose. The backbone is a linear chain of β 1,4-linked mannose to which galactose are 1,6-linked at every second mannose, forming short side-branches.
Guar gum is used as emulsifier, thickener and stabilizer with wide range of industrial applications especially in food, cosmetics and pharmaceuticals. Guar gum is very economical in comparison to other thickening agents. It shows almost 8 times the water thickening properties than starch. Major Industrial Uses are as follows: