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Dextran from Leuconostoc mesenteroides

analytical standard, for GPC, Mw 25,000

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About This Item

Lineáris képlet:
(C6H10O5)n
CAS-szám:
9004-54-0
EC-szám:
232-677-5
MDL-szám:
MFCD00130935
UNSPSC kód:
12352201
NACRES:
NA.24

grade

analytical standard
for GPC

Minőségi szint

100

molekulatömeg

Mn ~20,000
Mp ~20,000
Mw ~25,000

analit kémiai osztály(ok)

oligosaccharides

technika/technikák

gel permeation chromatography (GPC): suitable

Mw/Mn

~1.25

alkalmazás(ok)

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

Nemzetközi kémiai azonosító kulcs

FZWBNHMXJMCXLU-UHFFFAOYSA-N

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Általános leírás

Dextran is a D-glucosyl homopolysaccharide which has a-1,6 glucosidic linkages with different branches through α-1,2, α-1,3, and α-1,4 linkages correspondingly classified as group A, B and C. It can be synthesized from sucrose by cell-free filtrate.
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: 25,000) may be used as an analytical standard to calibrate the column for gel permeation chromatography (GPC).

Alkalmazás

Markers-dextran with 25000 Da has been used as standard in gel chromatography analysis to determine fractional composition of protein, carbohydrate, phenolic surface active substances in base wine.
Use of dextrans as long and hydrophilic spacer arms improves the performance of immobilized proteins acting on macromolecules.

Tárolási osztály kódja

11 - Combustible Solids

WGK

WGK 2

Lobbanási pont (F)

Not applicable

Lobbanási pont (C)

Not applicable

Egyéni védőeszköz

Eyeshields, Gloves, type N95 (US)

Válasszon a legfrissebb verziók közül:

Analitikai tanúsítványok (COA)

Lot/Batch Number
BCCL5222
BCCK2862
BCCH1652
BCCJ1272
BCCG3110

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Dextran and Polysaccharides Overview

Dextrans are polysaccharides with molecular weights ≥1,000 Dalton, featuring a linear backbone of α-linked d-glucopyranosyl repeating units.

Dextrán és poliszacharidok Áttekintés

A dextrannak ≥1 000 Dalton molekulatömegű poliszacharidok, amelyek lineáris gerincét α-kötött d-glükopiranozil ismétlődő egységek alkotják.

Tudóscsoportunk valamennyi kutatási területen rendelkezik tapasztalattal, beleértve az élettudományt, az anyagtudományt, a kémiai szintézist, a kromatográfiát, az analitikát és még sok más területet.

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