631results about "Disaccharides" patented technology

A method of fractionating biomass, by permeability conditioning biomass suspended in a pH adjusted solution of at least one water-based polar solvent to form a conditioned biomass, intimately contacting the pH adjusted solution with at least one non-polar solvent, partitioning to obtain an non-polar solvent solution and a polar biomass solution, and recovering cell and cell derived products from the non-polar solvent solution and polar biomass solution. Products recovered from the above method. A method of operating a renewable and sustainable plant for growing and processing algae.

An improved process for chlorination of sugars produces chlorodeoxy derivatives, in particular the chlorination of sucrose-6-esters to produce sucralose (4,1′,6′-trichloro-4,1′,6′-trideoxy galactosucrose), with thionyl chloride and N,N-dimethyl formamide (DMF) at the ration of about 1 molar equivalent of thionyl chloride for every molar equivalent of free hydroxyl group.

The present invention relates to novel compounds and the use of said compounds as a medicament, as well as for the manufacture of a medicament for treatment of disorders relating to the binding of galectin to receptors in a mammal. Said galectin is preferably galectin-3.

A crystalline form of sucralose, and a method of making it. The method involves continuously crystallizing sucralose from an aqueous solution by a process providing continuous removal and recirculation of the vessel contents, and providing a long residence time for sucralose in the system. The crystals thus formed are of a relatively low length / diameter ratio, have an unsymmetrical shape, and exhibit good stability. The larger crystals in particular are tapered as compared to the rod-like larger crystals in prior art product.

The invention discloses a cross-linked polymer of at least one carbohydrate component comprising at least one primary alcohol function in particular for the manufacture of a composition which is intended to be applied onto the skin to obtain a tensing and / or toning effect.

Compositions which inhibit corrosion and alter the physical properties of concrete (admixtures) are prepared from salt mixtures of hydroxycarboxylic acids, carboxylic acids, and nitric acid. The salt mixtures are prepared by neutralizing acid product mixtures from the oxidation of polyols using nitric acid and oxygen as the oxidizing agents. Nitric acid is removed from the hydroxycarboxylic acids by evaporation and diffusion dialysis.

The present invention provides an alginate oligosaccharide and its derivatives with the degree of polymerization ranging from 2 to 22. The alginate oligosaccharide is composed of β-D-mannuronic acid linked by 1,4 glycosidic bonds. The derivatives with the reduced terminal in position 1 of carboxyl radical can be prepared by oxidative degradation. The present invention also provides a process for preparing the alginate oligosaccharide and its derivatives, which includes the procedures that an alginate solution is reacted for 2 to 6 h in an autoclave at pH 2-6 and the temperature of 100-120° C., and pH is adjusted to 7 after the reaction is stopped, after which the resultant oligosaccharide is oxidized in the presence of an oxidant to obtain an oxidative degradation product. The alginate oligosaccharide and its derivatives of the invention can be used in the manufacture of a medicament for the prophylaxis and treatment of AD and diabetes.

Provided are methods for the preparation of glycosylation products, including those represented by formula I:Sugar-O—R′  Icomprising the step of combining R′—OH, a glycosyl sulfide glycosyl donor (“thioglycoside donor”), a hypervalent iodine alkyl-transfer activating reagent, and a base. In an embodiment, the hypervalent iodine alkyl-transfer activating reagent is (phenyl(trifluoroethyl)iodonium triflimide).

Particulate β-glucan is solubilized at elevated pressure and temperature to form particulate-soluble β-glucan. The particulate-soluble β-glucan is capable of being dried to a powder form and subsequently re-solubilized.

The invention relates to application of mannuronic acid oligose with carboxyl at a 1-position of a reducing end and a derivative to treatment of a Parkinson's disease. The mannuronic acid oligose and the derivative are particularly a compound or a pharmaceutically acceptable salt expressed by the following structural formula (II) in the description, wherein n in the formula (II) is one or more integers from 0-20.

The invention relates to a system and a process for fractionating a solution into two or more fractions. The system of the invention comprises at least two compartments having a diameter of at least about one meter and including a uniform packing of a polymer-based ion exchange resin with a bead size in the range of about 50 to about 250 mum. The mixing volume of the fluid fronts in the system of the invention is not more than 5% of the volume of the compartment.

Methods are described for conjugating radioiodinated peptides or carbohydrate structures to proteins with improved yields and qualities of conjugates. In one method, specially designed radioiodinated bifunctional peptides containing nonmetabolizable amide bonds are coupled to antibodies. In a second method, radioiodinated nonmetabolizable bifunctional peptides, which also contain aminopolycarboxylates, are coupled to antibodies. In a third method, radioiodinated bifunctional aminopolycarboxylates are coupled to antibodies. In a fourth method, a hydrazide-appended antibody is coupled to a radioiodinated carbohydrate or a thiolated antibody is coupled to a hydrazide-appended and radioiodinated carbohydrate. In a fifth method a monoderivatized cyanuric chloride is used to conjugate thiolated antibody. Radioiodinated residualizing antibody conjugates made by these methods are particularly stable in vivo and are suitable for radioimmunodetection and radioimmunotherapy.

A method and system for hydrolyzing cellulose and / or hemicellulose contained in a biomass into monosaccharides and oligosaccharides by using high-temperature and high-pressure water in a subcritical condition is provided. In hydrolyzing cellulose or hemicellulose into saccharides by using high-temperature and high-pressure water in a subcritical condition, a large amount of slurry is cooled into a condition below the subcritical condition by subjecting the slurry contained in a pressure vessel under a high-temperature and high-pressure condition to flash evaporation in a pressure vessel charged with a slurry of a cellulosic biomass and heated halfway. It is possible to prevent saccharides from degrading into organic acids and to save energy by recovery of thermal energy. The cellulosic biomass is charged into a water-permeable vessel and then the water-permeable vessel is encapsulated into the pressure vessel together with water.

A composition for sweetening ingestable solids or liquids. The composition is compressed and comprises less than about 7.5 weight-% sucralose and one or more diluents. The composition is compressed at a pressure of greater than 2 pounds per square inch. A method of forming the composition and a system for delivering the composition are also provided.

The invention discloses a method for hydrolyzing stevioside with rich sources by using acid and synchronously preparing two products with high added values, namely isosteviol and sophorose. An isosteviol product is a medicine with functions of reducing blood sugar, regulating lipid, and the like, the sophorose is a most effective inducer for producing cellulase from strains such as trichoderma, and the like, and the two products have broad application prospect respectively. The method is characterized in that by controlling appropriate conditions, the two high added value products with important industrial application value and medical value, namely the isosteviol and the sophorose are synchronously prepared, and a one-step hydrolysis method is adopted.

The present invention provides for a method of hydrolyzing a cellulose, hemicellulose, or ligno-cellulose comprising: (a) contacting (i) an ionic liquid (IL) or ionic liquid-aqueous (ILA) phase comprising cellulose, hemicellulose, or ligno-cellulose, or a mixture thereof, and (ii) an acid, such that the cellulose, hemicellulose, or ligno-cellulose is hydrolyzed into sugar, and (b) optionally adding water to the IL or ILA phase wherein the proportion of water in the IL or ILA phase does not exceed about 60% by weight. The present invention also provides for a method of recovering a sugar comprising contacting an IL or ILA phase and an organic phase comprising an organic acid.

The invention relates to a separation and purification method of trehalose, which comprises the following steps: (1) carrying out enzymolysis on a trehalase reaction solution prepared by a trehalose synthase conversion process, and filtering to obtain a trehalose crude solution; (2) decolorizing the trehalose crude solution through activated carbon, and filtering to obtain a mixed solution; (3) passing the mixed solution through an ion exchange resin to obtain a glucose-trehalose sugar solution; and (4) concentrating the glucose-trehalose sugar solution, and separating by continuous chromatography with a simulated moving bed to obtain a trehalose solution and a glucose solution. The trehalase reaction solution generated by converting maltose by trehalose synthase is used as the raw material, the maltose which is isomeric with the trehalose is converted by an enzyme process, and impurity glucose, remaining maltose and impurities, such as proteins, pigments, metallic ions and the like, are removed to obtain the high-purity trehalose.

Provided herein are processes for detecting oligosaccharides in a biological sample. In specific instances, the biological sample is provided from an individual suffering from a disorder associated with abnormal glycosaminoglycan accumulation.

The present invention relates to novel compounds, the use of said compounds as a medicament as well as for the manufacture of a medicament for treatment of disorders relating to the binding of galectin to receptors in a mammal. Said galectin is preferably a galectin 3.

The invention relates to a preparation method for an iron sucrose bulk drug. The method comprises the following steps: (1) crystallization: the pH value of sucrose solution is adjusted to 1-4 with acetic acid, iron salt solution is added to the sucrose solution to form mixed liquor, the pH value of the mixed liquor is adjusted to 1-3 with Na2CO3 solution, then the mixed liquor is stirred and is continued to be added with the Na2CO3 solution until turbidity appears in the mixed liquor, the pH value of the mixed liquor is adjusted to 4-7, and then the mixed liquor is filtered and added with water to obtain iron cake solution; (2) complexing: the sucrose solution is heated and added with alkaline liquor for alkalization, and then the alkalized sucrose solution is added with the iron cake solution and stands for the night to obtain complexing solution; and (3) refining: the complexing solution after standing for the night is filtered, and the filtrate precipitates with 2-3 times of 95 percent of ethanol and is filtered to obtain the iron sucrose bulk drug. The invention has the advantages of simple process steps, easy control of the reaction processes, good product quality, high yieldand lower production cost and is a high-novelty preparation method for the iron sucrose bulk drug and the injection thereof.

A process is provided for preparing an iron sucrose complex, substantially free of excipients, for providing an iron sucrose complex co-precipitated with sucrose, and for providing iron sucrose complexes in aqueous solution.

A process for recycling reaction byproducts in the manufacture of dianhydro sugar alcohols, such as isosorbide, from corresponding sugar alcohols.

A process is provided for preparing an iron sucrose complex, substantially free of excipients, for providing an iron sucrose complex co-precipitated with sucrose, and for providing iron sucrose complexes in aqueous solution.

The invention relates to a method for treating threonine mother liquor, and concretely relates to the method for treating other waste liquid by using compound enzyme to perform enzymolysis and fermentation of waste thallus and by using a bipolar membrane electrodialysis treatment. According to the invention, the problem of effective components separation on threonine mother liquor, threonine fermentation residual sugar and other components are fully utilized, the method of the invention has the advantages of high energy efficiency, less waste water emission and low pollution; in addition, an electrodialysis technology has the advantages of simple operation, no pollution, long service life and the like, thereby the investment cost of enterprises can be reduced, the energy saving and emission reduction can be carried out, so that the method of the invention serves multiple purposes.

Disclosed is a method and a product of a chicory root product for reducing taint in animals, said method comprising feeding to an animal a chicory root product during at least one day prior to slaughtering the animal. By feeding animals with the chicory root product this improves the quality of meat, prevents or reduces female and male animal taint, primarily boar taint caused by skatole and / or androstenone. The invention also relates to methods for improving the health status of animals e.g. by reducing infections by pathogens in the gastrointestinal tract and to methods for reducing animal caused odors in general. The chicory root product comprises inulin / fructan (fructo-oligosaccharides), other low molecular weight sugars and secondary metabolites.

The invention discloses an efficient and environment-friendly malt syrup producing process, which comprises the following steps of starch size mixing, liquefication, saccharification, cartridge filtration, membrane decontamination, membrane separation, ion exchange and vacuum concentration. The process disclosed by the invention has the advantages that glucoamylase can be recycled by an ultrafiltration membrane device, and the production cost is reduced; impurities such as colloid, protein and pigment in malt syrup can be intercepted by the ultrafiltration membrane device so as to realize the purification and decontamination of the malt syrup, and an activated carbon decoloring procedure in the existing process is replaced; and at the same time the load of ion exchange resin is reduced, the exchange capacity of the resin is improved, the regeneration period of the ion exchange resin is prolonged, the discharge of regenerated sewage is reduced, and the pollution of the environment is small.

The invention relates to application of sodium alginate oligose and a derivative to treatment of pain. The sodium alginate oligose and the derivative of the sodium alginate oligose are particularly mannuronic acid oligose or mannuronic acid oligose with a carboxyl at a 1-position of a reducing end and the derivative or a pharmaceutically acceptable salt, formed by connecting a beta-D-mannuronic acid through a 1,4-glucosidic bond.

The invention discloses a process for preparing and refining galactomannan-oligosaccharide by a microwave combined enzyme method, which prepares the galactomannan-oligosaccharide by taking galactomannan glue endosperm slices as raw materials through the steps of kneading alkalization, microwave treatment, enzymolysis, membrane separation refining, and spray drying. The process has the advantages of wide raw material source, short production period, low cost, high oligosaccharide content and the like, and the product can be used as a functional food raw material.

Compositions which inhibit corrosion and alter the physical properties of concrete (admixtures) are prepared from salt mixtures of hydroxycarboxylic acids, carboxylic acids, and nitric acid. The salt mixtures are prepared by neutralizing acid product mixtures from the oxidation of polyols using nitric acid and oxygen as the oxidizing agents. Nitric acid is removed from the hydroxycarboxylic acids by evaporation and diffusion dialysis.