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Dextran aus Leuconostoc mesenteroides

analytical standard, for GPC, Mw 670,000

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About This Item

Lineare Formel:
(C6H10O5)n
CAS-Nummer:
9004-54-0
EG-Nummer:
232-677-5
MDL-Nummer:
MFCD00130935
UNSPSC-Code:
12352201
NACRES:
NA.24

Qualität

analytical standard
for GPC

Qualitätsniveau

100

Mol-Gew.

Mn ~330,000
Mp ~400,000
Mw ~670,000

chemische Klasse(n) des Analyten

oligosaccharides

Methode(n)

gel permeation chromatography (GPC): suitable

Mw/Mn

~2.03

Anwendung(en)

food and beverages

Format

neat

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

InChIKey

FZWBNHMXJMCXLU-UHFFFAOYSA-N

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Allgemeine Beschreibung

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 a protective coating to evade host phagocytes in the case of pathogenic bacteria.
Dextran from Leuconostoc mesenteroides (Mw: 670,000) may be used as an analytical standard to calibrate the column for gel permeation chromatography (GPC).

Anwendung

Use of dextrans as long and hydrophilic spacer arms improves the performance of immobilized proteins acting on macromolecules.

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 2

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)

Analysenzertifikate (COA)

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