Alginic Acid, Sodium Salt is a gelling polysaccharide extracted from giant brown seaweed. It is a straight chain, colloidal, polyuronic acid composed mainly of anhydro-b-D-mannuronic acid residues linked in the 1---->4 position. Alginic acid sodium is a gelling and nontoxic anionic…

Gellan gum is a water-soluble polysaccharide produced by Pseudomonas elodea, a bacterium. Gelrite, gellan gum, is recommended as a gelling agent for use in place of agar in microbiological media. Gellan gum is used in a wide variety of immobilization matricies. As a food additive, gellan gum is…

Mannose is a sugar monomer of the aldohexose series of carbohydrates. Mannose is a C-2 epimer of glucose. Mannose is important in human metabolism, especially in the glycosylation of certain proteins. Several congenital disorders of glycosylation are associated with mutations in enzymes involved in…

Sorbose is a ketose belonging to the group of sugars known as monosaccharides. It has a sweetness that is equivalent to sucrose. The commercial production of vitamin C (ascorbic acid) often begins with sorbose. L-Sorbose is used as a starting reagent for the commercial biosynthesis of ascorbic…

Cellulose is an organic compound, a polysaccharide consisting of a linear chain of several hundred to over ten thousand β(1→4) linked D-glucose units. Cellulose is used as bulking agent, opacifier, anti-caking agent, extrusion aid and stabilizer for foams and emulsions. High purity…

β-D-Glucose is critical for production of proteins and the lipid metabolism. β-D-Glucose is a main source of energy for living organisms and is combined into glucosides, disaccharides, oligosaccharides, polysaccharides (cellulose and starch), and glycogen. D-Glucose, a naturally…

Dextran is a high molecular weight polymer of anhydroglucose. It is composed of approximately 95% alpha-D-(1-->6) linkages. Dextrans with molecular weights greater than 10,000 behave as if they are highly branched. As the molecular weight increases, dextran molecules attain greater symmetry.…

Dextran sulfate is a polyanionic derivative of dextran produced by esterification of Dextran with chlorosulphonic acid. The sulfur content is approximately 17% which corresponds to an average of 1.9 sulfate groups per glucosyl residue of the dextran molecule. Dextran sulfate sodium (DSS) is the…

β-D-Glucose is a main source of energy for living organisms. It is combined into glucosides, disaccharides, oligosaccharides, the polysaccharides (cellulose and starch), and glycogen. β-D-glucose may contain up to 10% of α-isomer.

D-(+)-Maltose Monohydrate is an α(1→4) linked disaccharide of D-glucose. D-(+)-Maltose Monohydrate is used as a substrate for α-glucosidase. It is also used as a substrate for the identification, differentiation and characterization of enzymes such as maltase(s); maltose…

Alginic acid sodium salt has been used in the flocculation of solids in water treatment; as sizing agent; thickener; emulsion stabilizer; and a suspending agent. It is used in the preparation of colloidal biodegradable structures such as gels, biofilms, beads, nanoparticles, and microcapsules…

Methyl cellulose is a chemical compound derived from cellulose. It is a hydrophilic white powder in pure form and dissolves in cold (but not in hot) water, forming a clear viscous solution or gel. It is used as a thickener and emulsifier in various food and cosmetic products. It is not digestible,…

DEAE-Dextran, a polycationic diethylaminoethyl ether of dextran is a stabilizing molecule and transfection reagent. The diethylaminoethyl groups are linked to glucose residues by ether linkages. DEAE-Dextran is used in the development of sustained release protein delivery and nucleic acid…

Dextran is a high molecular weight polymer of anhydroglucose. It is composed of approximately 95% α-D-(1-->6) linkages. The remaining a(1-->3) linkages account for the branching of dextran. Conflicting data on the branch lengths implies that the average branch length is less than three…

Dextran is a high molecular weight polymer of anhydroglucose. It is composed of approximately 95% alpha-D-(1-->6) linkages. The remaining a(1-->3) linkages account for the branching of dextran. Dextran has long and hydrophilic spacer arms that improves the performance of immobilized proteins…

Polysucrose is water-soluble, nontoxic, resistant to intestinal enzymes, spherical and can be produced with a molecular weight distribution that relates to the size of many normal food proteins. It is a nonionic synthetic polymer of sucrose. Polysucrose 400 is used for cell separation and…

N-Acetyl-D-glucosamine (D-GlcNAc) is a derivitized glucose monomer found in polymers of bacterial cell walls, chitin, hyaluronic acids and various glycans. Used to identify, differentiate and characterize N-acetyl-β-D-hexoaminidase(s).

Dextran is branched polysaccharide made up of linear α (1→6) linked glucose units and α (1→3) link initiated branches; it ranges in size from 10,000 to 150,000 Kd. Depending upon its molecular weight it has different uses in different fields. Use of dextrans as long and…

Dextran is a high molecular weight polymer of anhydroglucose. It is composed of approximately 95% alpha-D-(1-->6) linkages. The remaining a(1-->3) linkages account for the branching of dextran. Dextrans are used in many applications as volume extenders, stabilizers, matrix components,…

Supplementation of cell culture media with glucosamine hydrochloride may enhance N-glycosylation of secreted proteins and affect differentiation of cell lines such as chondocytes and stem cells. Glucosamine, an amino sugar, is the precursor of the hexosamine biosynthetic pathway leading to the…

Tragacanth is a polysaccharide mixture containing tragacanthin and bassorin. It is a natural gum obtained from the dried sap of several species of Middle Eastern legumes of the genus Astragalus, including A. adscendens, A. gummifer, A. brachycalyx, and A. tragacanthus. Tragacanth is used in…

Alginate, a colloidal polyuronic acid structural molecule capable of gelation, is used in the preparation of colloidal biodegradable structures such as gels, biofilms, beads, nanoparticles, and microcapsules suitable for applications that range from gel based separation technologies to drug…