31417
Dextran from Leuconostoc mesenteroides
analytical standard, for GPC, Mw 5,000
Synonym(s):
Dextran Ladder
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About This Item
Linear Formula:
(C6H10O5)n
CAS Number:
EC Number:
MDL number:
UNSPSC Code:
12352201
NACRES:
NA.24
grade
analytical standard
for GPC
Quality Level
mol wt
Mn ~3,300
Mp ~4,400
Mw ~5,200
analyte chemical class(es)
oligosaccharides
technique(s)
gel permeation chromatography (GPC): suitable
Mw/Mn
~1.58
application(s)
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
InChI key
FZWBNHMXJMCXLU-UHFFFAOYSA-N
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General description
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: 5000) may be used as an analytical standard to calibrate the column for gel permeation chromatography (GPC).
Dextran from Leuconostoc mesenteroides (Mw: 5000) may be used as an analytical standard to calibrate the column for gel permeation chromatography (GPC).
Application
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
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Farwa Sarwat et al.
Pakistan journal of pharmaceutical sciences, 26(4), 793-797 (2013-07-03)
Leuconostoc are known to produce dextran, which have great commercial importance in chemical, medical and food industry. The present study is an attempt to select the best medium for the isolation of indigenous dextran producing Leuconostoc, measuring their enzyme activities
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