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G4129

Sigma-Aldrich

Guar

Synonym(s):

Gum guar

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About This Item

CAS Number:
9000-30-0
EC Number:
232-536-8
MDL number:
MFCD00131250
UNSPSC Code:
12352201
NACRES:
NA.25

form

powder

Quality Level

200

color

beige

useful pH range

5.0-7.0 (25 °C, 1% in water)

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General description

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)

Biochem/physiol Actions

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

Other Notes

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.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

G4129-500G:
G4129-BULK:
G4129-1KG:
G4129-250G:
G4129-CH:
G4129-VAR:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Sigma-Aldrich

P9135

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Milica Velimirovic et al.
Journal of contaminant hydrology, 142-143, 1-10 (2012-10-11)
Microscale zerovalent iron (mZVI) reduces chlorinated aliphatic hydrocarbons (CAHs) to harmless compounds, but the sedimentation of the mZVI particles in the injection fluid limits the injectability of the particles during field applications. In this study, mZVI particles in suspension were
P Enes et al.
Fish physiology and biochemistry, 39(2), 159-169 (2012-07-06)
The aim of this study was to assess the role of soluble non-starch polysaccharide (guar gum) on white sea bream Diplodus sargus, glucose and lipid metabolism. A control diet was formulated to contain 40 % crude protein, 14 % crude
Sadanand Pandey et al.
International journal of biological macromolecules, 51(4), 583-589 (2012-07-04)
Biopolymer used for the production of nanoparticles (NPs) has attracted increasing attention. In the presence article we use aqueous solution of polysaccharide Cyamopsis tetragonaloba commonly known as guar gum (GG), from plants. GG acts as reductive preparation of silver nanoparticles
Guar gum: processing, properties and food applications?a review
Mudgil D, et al.
Journal of Food Science and Technology, 51(3), 409-418 (2014)
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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