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G4129

Sigma-Aldrich

Guar

Synonyme(s) :

Gum guar

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About This Item

Numéro CAS:
Numéro CE :
Numéro MDL:
Code UNSPSC :
12352201
Nomenclature NACRES :
NA.25

Forme

powder

Niveau de qualité

Couleur

beige

Plage de pH utile

5.0-7.0 (25 °C, 1% in water)

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Description générale

Guar is extracted from the seeds of Cyamopsis tetragonoloba. It contains polysaccharides of galactomannans. Guar is used in thickening dye solution, production of paper and as a primary gelling agent in water-based slurry explosives. It acts as a fiber deflocculent and dry-strength additive and serves as an additive to dynamite for water blocking. Guar is used as a stabilizer, emulsifier and thickener in food products. It lowers cholesterol and glucose level. Guar aids weight loss and obesity prevention.

Application

Guar has been used:
  • to maintain viscosity during in vitro starch digestion assay
  • to reduce the thinning rate of agarose gel
  • to study its effects on establishing 3D-like neural networks on microelectrode arrays (MEAs)

Actions biochimiques/physiologiques

Guar gum has been shown to have numerous beneficial effects including improved glucose tolerance and attenuation of diabetic nephropathy.

Autres remarques

Guar gum is isolated from the endosperm of the guar or gavar bean.
To gain a comprehensive understanding of our extensive range of Polysaccharides for your research, we encourage you to visit our Carbohydrates Category page.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)


Certificats d'analyse (COA)

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Les clients ont également consulté

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In vitro starch digestion kinetics of diets varying in resistant starch and arabinoxylan compared with in vivo portal appearance of glucose in pigs
Vangsoe CT, et al.
Food Research International, 88, 199-206 (2016)
Chiranjib Banerjee et al.
Carbohydrate polymers, 92(1), 675-681 (2012-12-12)
Microalgae are small in size with negatively charged surface. They are usually stable in suspension culture and hard to flocculate. The present work emphasizes on the synthesis of cationic guar gum (CGG) by the introduction of quaternary amine groups onto
Guar gum: processing, properties and food applications?a review
Mudgil D, et al.
Journal of Food Science and Technology, 51(3), 409-418 (2014)
Bosi Mao et al.
Scientific reports, 7, 41185-41185 (2017-01-24)
Agarose gels are viscoelastic soft solids that display a porous microstructure filled with water at 90% w/w or more. Despite an extensive use in food industry and microbiology, little is known about the drying kinetics of such squishy solids, which
Anne J Wanders et al.
The British journal of nutrition, 109(7), 1330-1337 (2012-08-02)
The objective was to determine the effects of dietary fibre with bulking, viscous and gel-forming properties on satiation, and to identify the underlying mechanisms. We conducted a randomised crossover study with 121 men and women. Subjects were healthy, non-restrained eaters

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