31390
Dextran from Leuconostoc spp.
Mr ~70,000
Synonym(s):
DEXTRAN 70
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About This Item
Linear Formula:
(C6H10O5)n
CAS Number:
EC Number:
MDL number:
UNSPSC Code:
12352201
NACRES:
NA.25
biological source
(Leuconostoc spp)
form
powder
mol wt
Mr ~70,000
loss
≤7% loss on drying
color
white
mp
483 °C ((901 °F ))
solubility
water: 0.75 g/5mL, clear
absorption
≤0.05 at 375 nm in H2O at 10%
storage temp.
room temp
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
Dextran is an extracellular bacterial polymer of D-glucopyranose. It primarily consists of α-(1→6) linkage in the main chain and a variable amount of α-(1→2), α-(1→3), α-(1→4) branched linkages.
Application
Dextran from Leuconostoc spp. has been used:
- for the isolation of islets from pancreatic tissue by centrifugation
- as a component of Earle′s bicarbonate buffer for placental perfusion
- for the isolation of rat brain microvessels
Biochem/physiol Actions
Dextran is a, which is commercially used as a drug, particularly as a blood plasma volume expander. It is used as an adjuvant, emulsifier, carrier, and stabilizer in the food, pharmaceutical, and chemical industries. Sephadex, a cross-linked dextran is broadly used for the separation and purification of protein. In the food industry, dextran found its use as a thickener for jam and ice cream. It inhibits the crystallization of sugar, thereby enhancing moisture retention. This helps in maintaining the flavor and appearance of various food items.
Other Notes
To gain a comprehensive understanding of our extensive range of Dextrans for your research, we encourage you to visit our Carbohydrates Category page.
Enhances immunoprecipitation sensitivity
Storage Class Code
11 - Combustible Solids
WGK
WGK 2
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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