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Merck
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Key Documents

G1128

Sigma-Aldrich

Tragacanth

Sinónimos:

Gum tragacanth

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About This Item

Número de CAS:
EC Number:
MDL number:
UNSPSC Code:
12352201
NACRES:
NA.25

biological source

plant (Astragalus gummifer)

Quality Level

form

powder

color

beige

solubility

H2O: 20 mg/mL

storage temp.

room temp

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General description

Tragacanth is a gum commonly found in the sap of various Middle Eastern legumes. It is commonly used as freezing-embedding medium for tissue preservation.

Application

When mixed with water, tragacanth yields a colloidal hydrosol. The bassorin fraction (which consists of approx. 60-70% of the compound) swells to form a gel. This swelling gives the gum tragacanth the ability to form thick, viscous dispersions and pastes. It is an effictive emulsion stabilizer.

Other Notes

A complex mixture of polysaccharides including tragacanthin and bassorin.
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

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


Certificados de análisis (COA)

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Setareh Ghorban Shiroodi et al.
The Journal of dairy research, 79(1), 93-101 (2012-11-23)
In this study, the physicochemical properties of a low-fat dried yogurt paste (kashk) were determined, and the effects of different concentrations (0, 0·1, 0·3 and 0·5% w/w) of gum tragacanth exudates from Astragalus gossypinus on the stability and texture of
C A Edwards et al.
The British journal of nutrition, 73(5), 773-781 (1995-05-01)
The exact mechanisms by which non-starch polysaccharides increase stool output are unknown. In the present study the hypothesis that the site of fermentation and short-chain fatty acid (SCFA) accumulation is related to the action of non-starch polysaccharides (NSP) on stool
D M Anderson
Food additives and contaminants, 6(1), 1-12 (1989-01-01)
Gum tragacanth (GT), affirmed as GRAS within the USA since 1961, was evaluated as 'ADI not specified' by JECFA in 1985. Within the EEC, GT has been permitted temporarily as a food additive (E413), without an ADI, since 1974; a
R Koppang et al.
The Journal of prosthetic dentistry, 73(5), 486-491 (1995-05-01)
An in vitro test is described that simulates the in vivo fate of a denture adhesive, namely destruction, dilution, and dissolution of the adhesive, by repeated measurement of tensile bond strength for the adhesive in isotonic saline over time. The
S Aziznia et al.
Journal of dairy science, 91(7), 2545-2552 (2008-06-21)
The effect of whey protein concentrate (WPC) and gum tragacanth (GT) as fat replacers on the chemical, physical, and microstructural properties of nonfat yogurt was investigated. The WPC (7.5, 15, and 20 g/L) and GT (0.25, 0.5, 0.75, and 1

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