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Supelco

Dextran from Leuconostoc mesenteroides

analytical standard, for GPC, Mw 1,000

Linear Formula:
(C6H10O5)n
CAS Number:
EC Number:
MDL number:
NACRES:
NA.24

grade

analytical standard
for GPC

Quality Level

mol wt

Mn ~1,000
Mp ~1,100
Mw ~1,300

analyte chemical class(es)

oligosaccharides

technique(s)

gel permeation chromatography (GPC): suitable

Mw/Mn

~1.30

application(s)

food and beverages

format

neat

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General description

Dextran is a polysaccharide having predominantly α-1,6-glucosidic linkages, which is produced by the bacterial species, Leuconostoc mesenteroides, which grow exclusively on sucrose containing media.
Dextrans are polysaccharides with molecular weights ≥1,000 Dalton, with a linear backbone of α-linked D-glucopyranosyl repeating units. Dextrans are found as bacterial extracellular polysaccharides. They are synthesized from sucrose by Leuconostoc mesenteroides and Lactobacillus brevis. Bacteria employ dextran in biofilm formation or as protective coatings to evade host phagocytes in the case of pathogenic bacteria.

Application

Dextran from Leuconostoc mesenteroides (Mw: 1000), has been used as an analytical standard to calibrate the column for gel permeation chromatography (GPC) for the analysis of the carbohydrate.
Use of dextrans as long and hydrophilic spacer arms improves the performance of immobilized proteins acting on macromolecules.

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Certificate of Origin

Research into technologies of obtaining grape must in the production of sparkling base wines.
Tkachenko O, et al.
Eastern-European Journal of Enterprise Technologies (2017)
Chemistry and Processing of Sugarbeet and Sugarcane, 9 (2013)
Preparation and characterization of dextran from Leuconostoc mesenteroides.
Jeans RA, et al.
The Journal of Biological Chemistry, 176, 603-615 (1948)
Chemistry and Processing of Sugarbeet and Sugarcane, 9 (2013)
Lamiaa M A Ali et al.
Journal of biomedical nanotechnology, 9(7), 1272-1285 (2013-08-06)
Superparamagnetic iron oxide nanoparticles (SPIONs) are inorganic nanomaterials gaining strong clinical interest due to their increasing number of biological and medical applications. The stabilization of SPIONs in a biocompatible stable suspension (bioferrofluid) is generally achieved by an adequate polymeric coating.

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