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31388

Sigma-Aldrich

Dextran from Leuconostoc spp.

Mr ~6,000

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Linear Formula:
(C6H10O5)n
CAS Number:
EC Number:
MDL number:
NACRES:
NA.25

biological source

(Leuconostoc spp)

Quality Level

form

powder

mol wt

Mr ~6,000

color

white

mp

483  °C ((901 °F ))

solubility

water: 1.5 g/10 mL, colorless to faintly yellow

storage temp.

room temp

InChI

1S/C18H32O16/c19-1-5(21)9(23)10(24)6(22)3-31-17-16(30)14(28)12(26)8(34-17)4-32-18-15(29)13(27)11(25)7(2-20)33-18/h1,5-18,20-30H,2-4H2

InChI key

FZWBNHMXJMCXLU-UHFFFAOYSA-N

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1 of 4

This Item
313903138709184
vibrant-m

31388

Dextran from Leuconostoc spp.

vibrant-m

31390

Dextran from Leuconostoc spp.

vibrant-m

31387

Dextran from Leuconostoc spp.

vibrant-m

09184

Dextran from Leuconostoc spp.

solubility

water: 1.5 g/10 mL, colorless to faintly yellow

solubility

water: 0.75 g/5mL, clear

solubility

water: 0.5 g/5mL, colorless

solubility

water: 1.5 g/10 mL, clear to slightly hazy, colorless to faintly yellow

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

form

powder

form

powder

form

crystalline, solid

form

powder

storage temp.

room temp

storage temp.

room temp

storage temp.

room temp

storage temp.

room temp

mp

483  °C ((901 °F ))

mp

483  °C ((901 °F ))

mp

-

mp

483 °C ((901 °F))

General description

Dextran is a branched glucan composed of linear α(1→6) linked glucose units and α (1→3) link initiated branches. Dextran ranges in size from 10,000 to 150,000 Kd. Dextrans are used in many applications as volume extenders, stabilizers, matrix components, binding platforms, lubricants and physical structure components. Low molecular weight dextrans are often preferred versus high molecular weight dextrans due to their different viscosities, aggregation and permeation properties.
Dextran is an extracellular bacterial polymer of D-glucopyranose. It mostly comprises α-(1→6) linkage in the main chain and a variable number of α-(1→2), α-(1→3), α-(1→4) branched linkages.

Application

Dextran from Leuconostoc spp. has been used:
  • for the glycation of caseinate to investigate the influence of an increase in carbohydrate chain length compared to glucose
  • for the mass calibration of matrix-assisted laser desorption ionization-time of flight mass spectroscopy (MALDI-TOF) for the characterization of silver nanoparticles (AgNPs)
  • as a non-toxic stabilizer to assess the in vivo administration of tungsten trioxide(WO3) nanoparticles

Biochem/physiol Actions

Dextran is used as a drug, particularly as a blood plasma volume expander. It is also useful as an adjuvant, emulsifier, carrier, and stabilizer in the food, pharmaceutical, and chemical industries. Sephadex is a cross-linked dextran that is commonly used for the separation and purification of protein. In the food industry, dextran is applicable as a thickener for jam and ice cream. It hinders the crystallization of sugar and augments moisture retention. This preserves the flavor and appearance of several food items.

Other Notes

To gain a comprehensive understanding of our extensive range of Dextrans for your research, we encourage you to visit our Carbohydrates Category page.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

ppe

Eyeshields, Gloves, type N95 (US)


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Dextran 4 Calibration

Thomas Rath et al.
Nephron. Clinical practice, 114(1), c81-c88 (2009-11-06)
Intravenous iron supplementation is a basic principle in the therapy of haemodialysis (HD) patients with renal anaemia. In the Iron Dextran in Renal Anaemia (IDIRA) study, we analysed the efficacy of a therapy with low-molecular-weight iron dextran (LMW-ID) in stable
R J Stenekes et al.
Biomaterials, 22(13), 1891-1898 (2001-06-09)
In this paper, a novel method is presented for the preparation of dextran hydrogels and microspheres, based on crystallization. Although dextrans are known to be well soluble in water, precipitation was observed in concentrated aqueous solutions of low molecular weight
Eugen Sisu et al.
Rapid communications in mass spectrometry : RCM, 20(2), 209-218 (2005-12-15)
A combined methodology for obtaining at the preparative scale and characterization by nanoelectrospray ionization (nanoESI) quadrupole time-of-flight (QTOF) mass spectrometry (MS) and tandem MS (MS/MS) of linear polysaccharides modified at the reducing end is presented. Two polydisperse maltodextrins (1000 and
Rohan P Choraghe et al.
Life (Basel, Switzerland), 11(2) (2021-02-13)
At host-pathogen contact sites with Candida albicans, Dectin-1 activates pro-inflammatory signaling, while DC-SIGN promotes adhesion to the fungal surface. We observed that Dectin-1 and DC-SIGN collaborate to enhance capture/retention of C. albicans under fluid shear culture conditions. Therefore, we devised
Molecular Weight Effects on the Miscibility Behavior of Dextran and Maltodextrin with Poly(vinylpyrrolidone).
Van Eerdenbrugh B, Taylor LS.
Pharmaceut. Res., doi: 10-doi: 10 (2012)

Related Content

Learn about C6H10O6 or dextran formation, classes and naming. Dextrans are polysaccharides with molecular weights ≥1,000 Dalton, which have a linear backbone of α-linked d-glucopyranosyl repeating units.

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