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55 results about "Polysaccharide iron" patented technology

Iron polysaccharide is a form of the mineral iron. Iron is important for many functions in the body, especially for the transport of oxygen in the blood. ... Iron polysaccharide is used to prevent and to treat iron deficiencies and iron deficiency anemia.

Method for purifying polysaccharide iron complex based on ultrafiltration membrane method

The present invention discloses a method for purifying polysaccharide iron complex, in particular to a method for desalination and concentration of the crude aqueous polysaccharide iron complex with the ultrafiltration membrane separation technology. Specific methods include the following steps of filtering the crude aqueous polysaccharide iron complex with ultrafiltration membrane components, whereby the pore diameter of ultrafiltration membrane components is between 2 and 50nm and molecular weight cutoff is between 5K and 150KDa; intercepting the polysaccharide iron complex by the ultrafiltration membrane, continuously discharging the sodium chloride and free iron ions in the crude aqueous solution through the osmotic solution to improve the purity and the concentration of polysaccharide iron complex in the ultrafiltration retentate liquid. The method for desalination and concentration of the crude aqueous polysaccharide iron complex with the ultrafiltration membrane provided by the invention has the following advantages of 1. simple operation process, safety and energy saving, mild condition and easy for continuous production; 2. reducing the salt concentration in the aqueous polysaccharide iron complex, and increasing the concentration of polysaccharide iron with recovery rate of more than 95%.
Owner:JIANGSU JIUWU HITECH

Preparation method of gynostemma pentaphyllum polysaccharide-iron complex

The invention discloses a gynostemma pentaphyllum polysaccharide-iron complex. The complex comprises the following components in percentage by weight: 2%-4% of iron and 40%-60% of gynostemma pentaphyllum polysaccharide, and the dissolvability of the complex in per 100mL of water at 25 DEG C is 10g-11g. A preparation method of the gynostemma pentaphyllum polysaccharide-iron complex comprises the steps of: dissolving the gynostemma pentaphyllum polysaccharide and a complexing agent into distilled water, heating in water bath, and dropwise adding a ferric iron compound water solution while stirring, wherein the mass ratio of the gynostemma pentaphyllum polysaccharide to the complexing agent to the ferric iron compound is 3:1:2; and after the reaction, washing with ethanol to obtain the gynostemma pentaphyllum polysaccharide-iron complex. According to the preparation method, the gynostemma pentaphyllum, which is abundant and low in cost, is adopted as a main raw material, the digestion property and stability of the product are better, the water solution is neutral, and the gynostemma pentaphyllum polysaccharide-iron complex can substitute for an existing iron-supplementary agent for supplementing iron for a human body; the preparation technique is simple and easy to popularize; and a new raw material is provided for producing a novel iron-deficiency iron supplementation agent.
Owner:GUANGXI UNIV

Compound of caulis dendrobii extract and iron and preparing method and application of compound

The invention provides a compound of caulis dendrobii extract and iron and a preparing method and application of the compound. The compound comprises 100 parts of caulis dendrobii polysaccharide and 5-50 parts of iron, and can further comprise 5-20 parts of caulis dendrobii protein; the caulis dendrobii is medicinal caulis dendrobii in orchidaceae dendrobium. The preparing method of the compound includes the steps that a complexing agent is added into a water solution of the caulis dendrobii extract, a FeCl3 solution is added under the alkaline condition to be subjected to a complex reaction, centrifugalization, centrifugal liquid dialyzing and drying are carried out, and the compound is obtained. The compound, prepared with the preparing method, of the caulis dendrobii extract and the iron can be prepared into various dosage forms such as capsules, tablets, oral solutions and granules. According to an iron-deficiency-anemia pharmacological effect experiment and a clinical comparative experiment, the effect better than that of Niferex polysaccharide iron is obtained. The compound can be used for preparing medicine for preventing and treating iron-deficiency anemia, health-care products for preventing and treating iron-deficiency anemia or food additives for preventing and treating iron-deficiency anemia.
Owner:NANJING GENGFENG PHARMA TECH CO LTD

Pig injection liquid containing astragalus polysaccharide iron

The invention provides a pig injection liquid containing astragalus polysaccharide iron. The injection liquid comprises, by weight parts, 10-50 parts of astragalus polysaccharide and 15-30 parts of iron salt. The invention further relates to a method for preparing the pig injection liquid containing the astragalus polysaccharide iron. The method comprises the steps of astragalus polysaccharide extraction and purification, polysaccharide iron preparation and preparation of a finished injection liquid production. An ion exchange resin method is adopted to catalyze astragalus polysaccharide and iron, and the method is novel in process and low in cost; an ultrafiltration membrane filtration technology is further adopted to separate and purify astragalus polysaccharide, filtration through a centrifuge is performed one time before ultrafiltration membrane filtration is performed, activated carbon is added when the centrifuge is used to perform filtration, not only is decoloration achieved, but also whether centrifugation needs to performed once again to remove large impurities capable of been seen by naked eyes can be determined according to the judgment after the decoloration, the purity of the purified astragalus polysaccharide is guaranteed, and not only is an iron supply function achieved, but also an effect of enhancing piglet immunity is achieved.
Owner:GUANGXI ZHEYUAN AGRI SCI & TECH CO LTD

Method for purifying polysaccharide iron complex based on ultrafiltration membrane method

The present invention discloses a method for purifying polysaccharide iron complex, in particular to a method for desalination and concentration of the crude aqueous polysaccharide iron complex with the ultrafiltration membrane separation technology. Specific methods include the following steps of filtering the crude aqueous polysaccharide iron complex with ultrafiltration membrane components, whereby the pore diameter of ultrafiltration membrane components is between 2 and 50nm and molecular weight cutoff is between 5K and 150KDa; intercepting the polysaccharide iron complex by the ultrafiltration membrane, continuously discharging the sodium chloride and free iron ions in the crude aqueous solution through the osmotic solution to improve the purity and the concentration of polysaccharide iron complex in the ultrafiltration retentate liquid. The method for desalination and concentration of the crude aqueous polysaccharide iron complex with the ultrafiltration membrane provided by the invention has the following advantages of 1. simple operation process, safety and energy saving, mild condition and easy for continuous production; 2. reducing the salt concentration in the aqueous polysaccharide iron complex, and increasing the concentration of polysaccharide iron with recovery rate of more than 95%.
Owner:JIANGSU JIUWU HITECH

Preparation method of Astragalus polysaccharide-iron

The invention provides a preparation method of Astragalus polysaccharide-iron. The method comprises the following steps: 1, extracting and purifying Astragalus polysaccharides; and 2, preparing Astragalus polysaccharide-iron: dissolving the purified Astragalus polysaccharides obtained in step 1, sodium tartrate and sodium carbonate in distilled water according to a weight ratio of 15:3:5, adding an iron salt solution with the weight 0.8-0.9 times the weight of the pure Astragalus polysaccharides to obtain a solution A, allowing the solution A to go through an exchange column loaded with basic ion exchange resin at a flow velocity of 3-8BV / h, reacting for 0.5-1h, cooling the obtained reaction product, filtering resin, flushing the surface of the resin with deionized water 3-5 times, carrying out alcohol precipitation with ethanol with the concentration of 75-85%, and drying the obtained precipitate at 50-70DEG C to obtain the Astragalus polysaccharide-iron. An ion exchange resin technology is adopted to catalyze preparation of a complex from Astragalus polysaccharide and iron, the method is novel, and the prepared Astragalus polysaccharide-iron has high purity and high content, has an iron supplementing function, and also has a piglet immunity enhancing effect.
Owner:GUANGXI AGRI VOCATIONAL COLLEGE

Preparation method of mulberry polysaccharide-iron chelate with anti-oxidation activity

The invention discloses a preparation method of a mulberry polysaccharide-iron chelate with anti-oxidation activity. The preparation method comprises: carrying out ethanol reflux on mulberry, carryingout water bath extraction, and carrying out alcohol precipitation to obtain crude polysaccharide; removing proteins from the mulberry polysaccharide by using a Sevage method, decolorizing by using amacroporous resin, and shaking at a room temperature to clarify the solution; concentrating the supernatant, and dialyzing with distilled water; carrying out alcohol precipitation with ethanol, carrying out centrifugation, and carrying out freeze drying to obtain mulberry polysaccharide; dissolving the mulberry polysaccharide in water, purifying, collecting the eluent by using a NaCl solution as an eluant, concentrating, and carrying out freeze-drying to obtain mulberry polysaccharide for chelating; and dissolving the obtained mulberry polysaccharide and trisodium citrate in distilled water, adding an iron salt solution, carrying out a heating reaction, sequentially carrying out centrifugation and dialysis, carrying out alcohol precipitation with ethanol, and carrying out freeze-drying toobtain the mulberry polysaccharide-iron chelate. According to the present invention, with the method, the iron supplementing agent with anti-oxidation activity is prepared, and is easily absorbed by human body, such that the chelate provides the anti-oxidation effect while treats iron deficiency anemia so as to achieve double health care functions.
Owner:珠海中美普莱健康科技有限公司 +1

Preparation method and applications of rice bran polysaccharide iron

The invention discloses a preparation method and applications of rice bran polysaccharide iron, and belongs to the technical field of polysaccharide. The preparation method comprises following steps:rice bran polysaccharide is dissolved in an acetic acid solution so as to obtain a rice bran polysaccharide acetic acid solution; ferric trichloride hexahydrate crystals are dissolved in the rice branpolysaccharide acetic acid solution so as to obtain a film casting solution; the film casting solution is poured onto a glass plate for natural curtain coating film forming and drying so as to obtaina rice bran polysaccharide composite film; the rice bran polysaccharide composite film is immersed in an alkaline solution for standing, and washing and drying are carried out so as to obtain rice bran polysaccharide iron. The rice bran polysaccharide iron can be taken as an iron supplementation agent, or a gene carrier. The rice bran polysaccharide iron is prepared using the preparation method,and is used in preparation of iron supplementation agents and gene carriers effectively, so that defects of conventional iron supplementation agents such as low bioavailability, low absorption efficiency, and large side effect are avoided, and the defects of conventional non-virus gene carriers such as high cytotoxicity are avoided.
Owner:WUHAN POLYTECHNIC UNIVERSITY

Coffee baked fragrant substance as well as preparation method and application thereof

The invention relates to a preparation method and application of a coffee baked fragrant substance. The method is implemented through the following steps that 1 to 5 parts of big particle coffee, 10 to 60 parts of medium particle coffee and 5 to 50 parts of small particle coffee are weighed according to the weight parts; then, 100 to 500 parts of polyhydric alcohol and 0.01 to 1 part of polysaccharide-iron compounds are added and are uniformly stirred, wherein the polysaccharide-iron compounds are dextrin polysaccharide-iron compounds or dextran iron compounds; reflux condensation is performedfor 0.5 to 3h at an oil bath being 150 to 250 DEG C; then, 200 to 2000 weight parts of solvents are added; ultrasonic extraction is performed for 10 to 60min; then, oscillation extraction is performed for 10 to 60min; then, centrifugation is performed for 4 to 15min; supernatant liquid is taken and is filtered by an organic filter membrane; then, reduced pressure distillation is performed; solvents are removed; the coffee baked fragrant substance is obtained. Through raw material refined preparation processing, in the separation process, by aiming at the characteristic ingredients of adding certain aroma and taste of smoke gas or improving the suction comfort (reducing the stimulation and the like), targeted extraction is performed to obtain the pure fragrant substance; smoke gas irritantor mixed gas substances such as macromolecular substances can be removed; the pure baked fragrant aroma substance is obtained.
Owner:CHINA TOBACCO YUNNAN IND

Method for removing sodium chloride from cassava starch polysaccharide-iron complex liquid

The invention relates to a method for removing sodium chloride from cassava starch polysaccharide-iron complex liquid. The method comprises the following steps: A, adding cassava starch and water intoa reaction kettle, heating and regulating pH value, adding hydrogen peroxide solution to degrade the cassava starch, so as to obtain oligosaccharide solution with the weight-average molecular weightof 3-27KDa, then adding ferric trichloride solution and alkali, and carrying out complex reaction, so that cassava starch polysaccharide iron liquid is obtained; B, carrying out ultrafiltration on thecassava starch polysaccharide iron liquid obtained in the step A, and intercepting micromolecular cassava starch polysaccharide iron complex with the molecular weight of 2.5-200KDa to remove part ofsodium chloride; C, carrying out nanofiltration on permeate liquid obtained in the step B, and intercepting micromolecular cassava starch polysaccharide iron complex with the molecular weight of 200 Da by virtue of a nanofiltration membrane to remove sodium chloride; and D, mixing interception liquids obtained in the steps B and C, and carrying out spray drying, so that solid cassava starch polysaccharide iron complex is obtained, and nanofiltration permeate liquid can be directly discharged. The method provided by the invention has the advantages that technology is simple, energy conservationand environmental protection are realized, conditions are mild, and continuous production can be easily realized; concentration of sodium chloride in the cassava starch polysaccharide-iron complex liquid can be lowered; and recovery rate of the cassava starch polysaccharide iron complex is higher than 99%; and removal rate of sodium chloride is higher than 98%.
Owner:GUANGXI RES INST OF CHEM IND CO LTD

Microbial enrichment preparation method of hypha-based doped supercapacitor material

The invention discloses a microbial enrichment preparation method of a hypha-based doped supercapacitor material, which comprises the following steps: preparing a liquid culture medium, inoculating afungus strain into the liquid culture medium, and carrying out shake culture; adding a polysaccharide-iron complex and a carboxymethyl chitosan-iron complex into a liquid culture medium in the form ofa solution or a dispersion liquid, continuously culturing, pouring out the redundant liquid culture medium, cleaning with deionized water, carrying out freeze drying, calcining the dried sample in anN2 atmosphere, and naturally cooling; adding the pyrolysis product into an H2SO4 solution, stirring and refluxing, then centrifugally collecting, washing with deionized water to be neutral, carryingout vacuum drying, and calcining the material subjected to vacuum drying again in an NH3 atmosphere; and obtaining the hypha-based doped supercapacitor material. The hypha-based doped supercapacitor material disclosed by the invention is high in specific surface area and high in iron doping amount,and the material has good capacitance performance and can be widely applied to the fields of energy storage, catalysis, environmental protection and the like.
Owner:SOUTHWEAT UNIV OF SCI & TECH

Preparation method of cassava polysaccharide iron

The invention relates to a method for preparing cassava polysaccharide iron. The method is to oxidize and degrade cassava starch with hydrogen oxide to obtain an applicable oligosaccharide solution, and then add ferric chloride and sodium hydroxide solution dropwise to perform a complex reaction to obtain cassava polysaccharide. The iron synthesis solution is then filtered to remove water-insoluble impurities to obtain cassava polysaccharide iron solution, which is then desalinated and concentrated by ultrafiltration membrane technology, spray dried or vacuum evaporated, dried and crushed, and finally cassava polysaccharide iron products are obtained. The present invention uses hydrogen peroxide to oxidize and degrade cassava starch to replace the previous acid or enzymatic degradation process, which not only can significantly reduce the generation of by-product glucose than the acid method, obtain a higher yield of applicable oligosaccharides, and is more efficient than the enzymatic method. The degradation time is greatly shortened, thereby reducing production costs; it also replaces the previous ethanol or methanol solvent method to remove sodium chloride, avoids the use of flammable and explosive materials such as ethanol or methanol, and eliminates hidden dangers in production safety. The cassava polysaccharide iron prepared by the invention can be used as an iron supplement for poultry and livestock.
Owner:GUANGXI RES INST OF CHEM IND CO LTD

Preparation method and applications of fluorescently-labeled rice bran polysaccharide iron complex

The invention discloses a preparation method and applications of fluorescently-labeled rice bran polysaccharide iron complex, and belongs to the technical field of tracing technology. The preparationmethod comprises following steps: rice bran polysaccharide iron complex and rhodamine B are dissolved in water, an aprotic solvent is added so as to obtain a mixed solution; the mixed solution is subjected to dialysis so as to obtain a reservation liquid; absolute ethanol is added into the reservation liquid so as to obtain a precipitate; the precipitate is washed and dried so as to obtain the fluorescently-labeled rice bran polysaccharide iron complex. According to the preparation method, reaction of the reductive end terminals in rice bran polysaccharide iron complex molecules with the active amino groups in rhodamine B can be realized, the rice bran polysaccharide iron complex-rhodamine B compound, that is to say the fluorescently-labeled rice bran polysaccharide iron complex is prepared, the preparation method is simple, and maneuverability is high. The fluorescently-labeled rice bran polysaccharide iron complex is applied in tracing of rice bran polysaccharide iron complex, so that a rapid convenient method is provided for tracing of rice bran polysaccharide iron complex is provided, and a problem in the prior art that tracing of rice bran polysaccharide iron complex is difficult is solved.
Owner:WUHAN POLYTECHNIC UNIVERSITY

Enteric-coated pellet and powder directly-pressed tablet of polysaccharide-iron compound

The invention relates to an enteric-coated pellet of a polysaccharide-iron compound and a powder directly-pressed tablet. The polysaccharide-iron compound is an iron supplementing preparation with a good application prospect. The invention aims to provide a preparation form suitable for industrial production of the polysaccharide-iron compound. In order to relieve stomach stimulation caused by release of polysaccharide iron in the stomach, the invention firstly provides an enteric-coated pellet of a polysaccharide iron compound, and the enteric-coated pellet can realize directional release in the intestinal tract. In addition, in order to provide a tablet form suitable for the polysaccharide-iron compound, the invention further provides a powder direct compression tablet of the polysaccharide-iron compound, and the defects that the density difference between the polysaccharide-iron compound and auxiliary materials is large, and the polysaccharide-iron compound and the auxiliary materials are prone to layering are overcome. The polysaccharide-iron compound preparation provided by the invention can effectively reduce stimulation to the stomach, and has good drug stability and patient compliance.
Owner:SHANGHAI PHARMA GRP QINGDAO GROWFUL PHARMA CO LTD
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