Cyamopsis Tetragonoloba (Guar) Gum

What is the chemical formula of Guar gum?

The chemical formula of Guar gum is C10H14N5Na2O12P3.

What is the melting point of Guar gum?

The melting point of Guar gum is >220°C.

What are some of the uses of Guar gum?

Guar gum is used in food grade applications such as frozen food, baking, drinks, salad dressings, cheese, and vegetarian food. It is also used in industrial applications like oil well fracturing, carpets, printing, leather, building materials, pharmaceuticals, and cosmetics.

What are some of the safety information associated with Guar gum?

Guar gum has a toxicological profile with LD50 values for rats of 7.35 g/kg in males and 6.77 g/kg in females. It is classified as WGK Germany 1, and its Hazardous Substances Data is listed as 9000-30-0.

What is the chemical composition of Guar gum?

Guar gum is composed of high-molecular-weight hydrocolloidal polysaccharides, predominantly comprising of galactan and mannan units combined through glycoside linkages.

How is Guar gum obtained and extracted?

Guar gum is obtained from the endosperm of the seed of the Indian cluster bean, Cyamopsis tetragonoloba. It is harvested before the first rain following the first frost to obtain maximum yield and purity.

What are the physical properties of Guar gum?

Guar gum is a white to yellowish-white powder that is dispersible in hot or cold water. It has a pH between 5.4 and 7.0 and can be converted to a gel by the addition of sodium borate.

What are some potential health hazards associated with Guar gum?

When heated to decomposition, Guar gum can emit irritating fumes and smoke. Excessive consumption may lead to gastrointestinal disturbances such as flatulence, diarrhea, or nausea.

How is Guar gum used in pharmaceutical applications?

Guar gum is used in solid-dosage forms as a binder and disintegrant, as well as a suspending, thickening, and stabilizing agent in oral and topical products. It has also been used in controlled-release formulations and for colonic drug delivery.

How is Guar gum stored?

Aqueous guar gum dispersions have a buffering action and are stable at pH 4.0-10. Additionally, Guar gum is stored in a hygroscopic, -20°C Freezer, under an inert atmosphere.