31416
Dextrano from Leuconostoc mesenteroides
analytical standard, Mw 1,000
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Fórmula lineal:
(C6H10O5)n
Número CAS:
UNSPSC Code:
12352201
NACRES:
NA.24
EC Number:
232-677-5
MDL number:
Servicio técnico
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analytical standard
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
SMILES string
O1C(C(C(C(C1CO)O)O)O)OCC2OC(C(C(C2O)O)O)OCC(O)C(O)C(O)C(O)C=O
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
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.
El uso de dextranos como brazos espaciadores largos e hidrófilos mejora el rendimiento de las proteínas inmovilizadas que actúan sobre las macromoléculas.
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Clase de almacenamiento
11 - Combustible Solids
ppe
Eyeshields, Gloves, type N95 (US)
flash_point_f
Not applicable
flash_point_c
Not applicable
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The Journal of Biological Chemistry, 176, 603-615 (1948)