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48230

Sigma-Aldrich

D-Galacto-D-mannan from Ceratonia siliqua

~95% (HPLC)

Synonym(s):

Carob galactomannan

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About This Item

CAS Number:
11078-30-1
EC Number:
234-299-6
MDL number:
MFCD00146683
UNSPSC Code:
12352201
NACRES:
NA.25

biological source

Ceratonia siliqua

Assay

~95% (HPLC)

form

powder

mol wt

Mr ~200000

loss

≤5% loss on drying

color

white

solubility

1 g/L at 20 °C

cation traces

Ca: ≤1000 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤100 mg/kg
K: ≤1000 mg/kg
Li: ≤5 mg/kg
Mg: ≤200 mg/kg
Mn: ≤5 mg/kg
Na: ≤1000 mg/kg
Ni: ≤50 mg/kg
Pb: ≤5 mg/kg
Sr: ≤10 mg/kg
Ti: ≤5 mg/kg
Zn: ≤50 mg/kg

storage temp.

room temp

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Application

D-Galacto-D-mannan is a plant cell wall polysaccharide useful as a reference compound in procedures that analyse plant cell wall polysaccharide composition. D-Galacto-D-mannan is a potential anti-oxidant that protects plant cell walls.

Other Notes

To gain a comprehensive understanding of our extensive range of Polysaccharides for your research, we encourage you to visit our Carbohydrates Category page.
Reserve carbohydrate from the endosperm walls of some legume seeds. Galactomannans: properties and applications; Improved resolution of DNA fragments in polysaccharide-supplemented agarose gels

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Jakob Engel et al.
The Journal of biological chemistry, 287(53), 44418-44424 (2012-11-10)
Fungal cell walls frequently contain a polymer of mannose and galactose called galactomannan. In the pathogenic filamentous fungus Aspergillus fumigatus, this polysaccharide is made of a linear mannan backbone with side chains of galactofuran and is anchored to the plasma
P W Sutherland et al.
Protoplasma, 223(2-4), 203-211 (2004-06-29)
The major noncellulosic polysaccharides and proteoglycans in the coffee bean (Coffea arabica) cell wall are (galacto)mannans and arabinogalactan proteins. Immunological and chemical probes demonstrated that the mannans and arabinogalactan proteins were located continuously across the width of the cell wall
Yin Chen et al.
Bioresource technology, 132, 178-181 (2013-02-16)
The deep-sea fungus Penicillium griseofulvum produces an extracellular polysaccharide, Ps1-1, when grown in potato dextrose-agar medium. Ps1-1 was isolated from the fermented broth using ethanol precipitation, anion-exchange and size-exclusion chromatography. Ps1-1 is a galactomannan with a molecular weight of about
False positive galactomannan test after ice-pop ingestion.
Nicolas Guigue et al.
The New England journal of medicine, 369(1), 97-98 (2013-07-05)
João Francisco Bento et al.
Carbohydrate polymers, 92(1), 192-199 (2012-12-12)
Endosperms from seeds of different subfamilies of Leguminosae were submitted to sequential aqueous and alkaline aqueous extractions. The extractions from species belonging to the Mimosoideae and Faboideae subfamilies yielded galactomannans with constant Man:Gal ratios, whereas the extractions from Caesalpinioideae seeds
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