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46 results about "Iron supplementation" patented technology

The purpose of oral iron supplementation is to treat your symptoms by increasing the levels of iron and hemoglobin in your body. You don't need a prescription to buy iron supplements. Working with your doctor, you can choose which type is best for you.

Hemodialysis on-line monitoring system and method

InactiveCN120242208ADialysis systemsSensorsSerum ironErythroid cell
The invention relates to the technical field of hemodialysis monitoring, and provides a hemodialysis on-line monitoring system and method, and the system comprises a data acquisition module which is used for collecting blood physiological parameters in a dialysis pipeline in real time; the blood component analysis module is connected with a blood loop of the dialysis machine and is used for detecting serum iron, ferritin and ferritin saturation indexes on line; and the data processing module is used for calculating the risk index of anemia, evaluating the iron utilization rate, constructing a model for measuring the iron deficiency erythropoiesis trend according to the collected and analyzed data, and training and optimizing the model. According to the method, individual parameters of patients are fused, personalized calculation is performed for iron metabolism rates and dialysis parameters of different patients, and data such as iron content, blood flow and dialysis fluid volume are acquired online in real time, so that iron concentration and infusion rate are accurately matched with real-time iron metabolism requirements of the patients, and anemia of the patients in the dialysis process is reduced.
Owner:THE SECOND HOSPITAL AFFILIATED TO WENZHOU MEDICAL COLLEGE

Iron removal agent suitable for water treatment system and application of iron removal agent

The invention relates to an iron removal agent suitable for a water treatment system and application of the iron removal agent. The iron removal agent is prepared from the following components in percentage by weight: 15-35% of poly dimethyl diallyl ammonium chloride, 1-5% of alkyl dimethyl benzyl ammonium halide, 0-0.5% of isothiazolinone and 60-80% of deionized water. Compared with the prior art, the invention overcomes the defects of low iron removal efficiency, large amount of generated mud and the like in the raw water conveying process of a water treatment system or the concentration process of the water system in a common iron removal technology. The iron removal agent is excellent in performance, good in stability and low in use dosage, has general applicability to iron removal in the raw water conveying or water treatment system concentration process, and has the characteristics of no phosphorus, environment friendliness and high efficiency.
Owner:SHANGHAI EMPEROR OF CLEANING HI TECH

Red date polysaccharide-iron compound and preparation method thereof

The invention belongs to the technical field of food, and discloses a red date polysaccharide-iron compound and a preparation method thereof, and the compound comprises the following components by weight: 1-5 parts of red date polysaccharide; 5-20 parts by weight of a complexing agent; 15-30 parts by weight of a ferric iron compound; 5-15 parts by weight of alkali; and 200 to 300 parts by weight of deionized water. The red date polysaccharide-iron compound prepared by the invention has good dissolution performance, high stability and good solubility, and compared with a traditional iron supplementing agent, the red date polysaccharide-iron compound is more easily absorbed by an organism. In addition, the red date polysaccharide-iron compound has antioxidant activity in vitro. The preparation process is simple, the raw materials are rich in source, and the traditional Chinese medicine composition can be used for preventing or treating iron-deficiency anemia and provides a new choice for a novel iron supplementing agent.
Owner:TIANJIN UNIV OF SCI & TECH

An iron chelate of a phosphorylated peptide of hemoglobin of yanan yellow cattle, and a preparation method and application thereof

PendingCN122357665AIron chelationEnzymatic hydrolysis
This invention relates to the field of biomedical technology, providing a phosphorylated peptide iron chelate of Yanbian cattle hemoglobin, its preparation method, and its applications. The Yanbian cattle hemoglobin phosphorylated peptide iron chelate is prepared from Yanbian cattle blood through enzymatic hydrolysis, phosphorylation, and iron chelation. Specifically, the phosphorylation step actively introduces strongly negatively charged phosphate groups into the Yanbian cattle hemoglobin peptide chain, serving as new and stronger metal ion coordination sites, thereby specifically enhancing its chelating ability for ferrous ions and the stability of the complex. The Yanbian cattle hemoglobin phosphorylated peptide iron chelate possesses high iron content and good gastrointestinal stability, showing broad application prospects in the preparation of a new generation of highly efficient and low-irritant iron supplements.
Owner:YANBIAN UNIV

Use of sialic acid in promoting iron absorption of iron supplements

The application relates to the technical field of sialic acid application, in particular to application of sialic acid in promoting iron absorption of iron supplement agents. It is found for the first time that sialic acid with a daily intake of 0.8-3.5 mg / kg and ferrous iron with a daily intake of 0.2-0.5 mg / kg can promote the absorption of ferrous iron by human bodies. More specifically, the application claims an iron supplement agent containing ferrous iron drugs and sialic acid. The iron supplement agent provided by the application promotes iron supplement by compounding sialic acid and ferrous iron drugs, thereby improving the bioavailability of iron, regulating immunity, promoting intestinal health and achieving various biological activities while supplementing iron.
Owner:CABIO BIOTECH (WUHAN) CO LTD

Lactobacillus reuteri A-1 and its application in preparing iron supplement and intestinal regulation products

The present invention discloses Lactobacillus reuteri A-1 and its application in preparing iron supplement and intestinal regulation products, belonging to the field of microorganisms and biomedicine. The present invention provides a Lactobacillus reuteri ( Limosilactobacillus reuteri )A‑1, deposited in Guangdong Microbial Culture Collection Center, the deposit date is July 8, 2024, and the deposit number is GDMCCNO: 64837. Based on this Lactobacillus reuteri, a postbiotic product has been successfully developed. It has been verified that it has the effect of regulating the balance of intestinal flora, promoting human digestion and absorption, and effectively supplementing iron. Daily administration of 100 mg of a postbiotic product containing 16 billion strains and metabolites of the present invention can sustainably provide endogenously required amounts of glutathione, lycopene, and arginine during intestinal reproduction and growth, can effectively supplement iron, and has good practical application value.
Owner:SHANDONG HUANYI BIOTECHNOLOGY CO LTD

Cyclic iron (II) citrate monohydrate and production method thereof, pharmaceutical and / or nutraceutical and / or food compositions comprising it and uses thereof in therapy and in the nutritional field

PendingAU2024402722A1DiseaseIron deficient
In an iron (II) citrate monohydrate, identified by the formula FeC6H6O7-H2O ( Ferrous citrate monohydrate or iron citrate (II) monohydrate), obtained according to a particular production method, citric acid and elemental iron are bound in a molecular complex where the iron is agglomerated in the citrate which moves to a cyclic form and the iron is bound to the O groups of the carboxylic groups 1 and 3 through ionic bonds, forming two enantiomers, D and L (R and S), both perfectly water-soluble and highly assimilable by the human body. Formula (L) & Formula (D). With a different absorption mechanism from traditional iron molecules, said iron citrate monohydrate is usable in pharmaceutical and / or nutraceutical and / or food compositions, in particular in the treatment and prevention of iron deficiency anemias and in general of all diseases and disorders associated with iron deficiency. The effectiveness is proven by several examples.
Owner:TI FARMA SRL

Tabletting device for iron supplementing agent ferrous sulfate tablets

The utility model discloses a tabletting device for iron supplementing agent ferrous sulfate tablets, which belongs to the technical field of iron supplementing agent ferrous sulfate tablet production and comprises a base, a supporting rod is fixedly connected to the top of the base, a tray is fixedly connected to the top end of the supporting rod, a discharge port is formed in one side of the bottom of the tray, and a feeding port is formed in the other side of the bottom of the tray. The outer ring of the tray is fixedly connected with two fixing plates, the fixing plates are fixedly connected with tabletting assemblies, the tabletting assemblies are used for extruding ferrous sulfate raw materials into tablets, a forming cover movably arranged in the tray in a sleeved mode is arranged below the tabletting assemblies, the center of the forming cover is fixedly connected with a fixing shaft, and the fixing shaft is fixedly connected with the fixing plate. The top end of the fixing shaft is fixedly connected with a gear column. According to the utility model, not only are rapid tabletting and discharging convenient, but also the forming hole is filled conveniently, the tabletting quality of each time is ensured, and the whole equipment is simple, clear, convenient to overhaul and maintain and beneficial to enterprise use.
Owner:FUJIAN ZHONGHE MEDICINE CO LTD

Targeted delivery type tea-iron composite microspheres as well as preparation method and application thereof

The invention relates to the technical field of functional supplements, in particular to composite microspheres for regulating and controlling iron metabolism and a preparation method and application of the composite microspheres. The targeted delivery type tea-iron composite microsphere comprises an inner core containing a ferrous compound and theabrownin, the inner core is sequentially coated with sodium alginate and chitosan from inside to outside, so that the double-shell microsphere is formed; the surfaces of the double-shell microspheres are also coated with a theabrownin-probiotic metabolite composite membrane. The invention provides the tea-iron composite microsphere capable of realizing targeted delivery, effective release and synergistic interaction of iron element and tea active ingredients are realized through the design of a special structure, the immune function is remarkably enhanced while iron metabolism is regulated and controlled, the problems of low absorption efficiency, strong gastrointestinal tract irritation and the like of a traditional iron agent are effectively solved, and the tea-iron composite microsphere has a good application prospect. Therefore, a brand new solution is provided for improving intestinal health and enhancing body immunity.
Owner:ZHEJIANG GONGSHANG UNIVERSITY

A starch gel material based on 4D printing technology and its preparation method and application

The present invention belongs to the technical field of starch hydrogel materials, and discloses a starch gel material based on 4D printing technology and its preparation method and application, the preparation method comprising the following steps: (1) gelatinizing a mixture of carboxyl starch and water, and adding an iron source to obtain a uniform mixture; (2) transferring the mixture to the barrel of a 3D printer, and printing and shaping through hot extrusion 3D, obtaining a 3D printed sample and performing 4D printing stimulation; the 4D printing stimulation is an alkali liquor stimulation, and the pH of the alkali liquor is 8-12; (3) the 4D printed sample is immediately frozen, and then vacuum freeze-dried to obtain a starch gel material. The present invention applies hot extrusion 4D printing technology to the preparation of a starch-based mineral supplement for the first time, which can suppress the release of iron ions in the stomach and achieve efficient iron supplementation. The present invention has simple process, is environmentally friendly, and is easy to repeat and mass-produce.
Owner:SOUTH CHINA UNIV OF TECH

Iron-binding peptide based on tuna blood mixed meat and application of iron-binding peptide

ActiveCN120665152APeptide/protein ingredientsPeptidesFerric iron bindingRed meat
The invention provides iron binding peptides based on tuna blood combined meat. The amino acid sequences of some polypeptides are SEQ ID NO: 1-6. The polypeptide provided by the invention can be used for preparing a product for treating iron-deficiency anemia. According to the tuna red meat hematopoietin provided by the invention, an organic iron compound with high bioavailability is formed through the chelation of specific polypeptide iron ions in preparation of a blood replenishing product, so that the absorption efficiency of intestinal tracts on iron is remarkably improved. A carrier formed by the polypeptide can protect iron ions from being damaged by gastric acid, and the iron ions are delivered to an absorption part in a targeted mode, so that the hemoglobin synthesis efficiency is improved by 40% or above. The natural polypeptide ligand disclosed by the invention avoids gastrointestinal irritation of a traditional iron supplementing agent, and is not interfered by absorption of dietary factors such as phytic acid and tannin. The tuna processing by-product is used as the raw material to prepare the functional blood-enriching peptide, so that high-value utilization of fishery resources is realized, and an eco-friendly new iron-enriching source is provided.
Owner:OCEAN UNIV OF CHINA +2

Feed formula and process for improving yellow tripe of fattening sheep

The invention relates to the technical field of functional feed additive development, in particular to a feed formula and a process for improving yellow tripe of fattening sheep, a novel selenium-porphyrin complex is used for resisting oxidation, an extract rich in beta-glucan and mannan oligosaccharide is used for regulating immunity and intestinal flora, a natural plant polyphenol compound is used for chelating heavy metals, and the feed has the effects of improving immunity and improving the yellow tripe of fattening sheep. The nano-scale montmorillonite and probiotic compound preparation can regulate intestinal tracts, the special amino acid chelated iron can supplement iron, and basic raw materials and other additives are added. The feed disclosed by the invention can efficiently improve the yellow tripe of the fattening sheep, and improves the growth performance and mutton quality of the fattening sheep by regulating nutrition metabolism, enhancing immunity, improving intestinal health, improving oxidation resistance and reducing the incidence rate of the yellow tripe, so that a synergistic effect is provided for farmers.
Owner:CHANGTU MUSHI FEED CO LTD

Application of enteric microorganism in medicine or health care product participating in black fungus melanin for combined treatment of iron-deficiency anemia

The invention discloses application of enteric microorganisms in medicines or health care products participating in black fungus melanin for combined treatment of iron-deficiency anemia, and belongs to the technical field of biology. In the invention, the intestinal microorganism ackermann bacteria and black fungus melanin are used for intragastric administration to treat iron-deficiency anemia mice, and a synergistic interaction effect is generated, so that the iron-deficiency anemia symptoms of the mice can be obviously improved. Compared with the prior art, the intestinal microorganisms can effectively improve blood routine indexes, iron metabolism indexes and inflammation indexes of IDA mice and repair colon injury in the process of treating iron-deficiency anemia by participating in black fungus melanin. The iron-supplementing prebiotic preparation is expected to be specifically applied to treatment of iron-deficiency anemia and further replace a traditional iron-supplementing agent to become a next-generation novel iron-supplementing prebiotic preparation, and a potential new strategy is provided for treatment of iron-deficiency anemia patients clinically.
Owner:SOUTH CHINA NORMAL UNIV

Combined biological agent and application thereof

PendingCN119679835AOrganic active ingredientsMetabolism disorderBiotechnologyIron deficiency anemia treatment
The invention discloses a combined biological agent and application thereof, and belongs to the technical field of biology. Amino acid and black fungus melanin are combined for intragastric administration to treat iron-deficiency anemia mice, a synergistic effect can be achieved, and the iron-deficiency anemia symptoms of the mice are remarkably improved. Compared with the prior art, the combined biological agent disclosed by the invention can be used for effectively improving blood indexes and intestinal tissue structures of mouse iron-deficiency anemia by regulating and controlling expression of iron transporter, so that the aim of improving symptoms of iron-deficiency anemia is fulfilled. The invention aims at finding a scientific, safe, small-toxic-side-effect and long-term-use iron-deficiency anemia treating agent which is expected to be specifically applied to treatment of iron-deficiency anemia and further replace a traditional iron supplementing agent to become a next-generation novel iron supplementing agent from raw materials with homology of medicine and food.
Owner:MUDANJIANG MEDICAL UNIV

Methods and compositions for administration of iron

The present invention generally relates to treatment of iron-related conditions with iron carbohydrate complexes. One aspect of the invention is a method of treatment of iron-related conditions with a single unit dosage of at least about 0.6 grams of elemental iron via an iron carbohydrate complex. The method generally employs iron carbohydrate complexes with nearly neutral pH, physiological osmolarity, and stable and non-immunogenic carbohydrate components so as to rapidly administer high single unit doses of iron intravenously to patients in need thereof.
Owner:AMERICAN REGENT INC

Beet root powder for supplementing iron and preparation method thereof

The invention discloses beet root powder for supplementing iron and a preparation method thereof, the beet root powder comprises red beet powder and compound vitamins, and the compound vitamins comprise vitamin C, vitamin E, nicotinamide, vitamin A, D-calcium pantothenate, vitamin B1, vitamin B6, vitamin B2, vitamin D3, vitamin B12, folic acid and maltodextrin. The invention further discloses a preparation method of the beet root powder for supplementing iron. According to the beet root powder for supplementing iron and the preparation method thereof, the prepared beet root powder for supplementing iron is composed of the red beet powder and the compound vitamins, so that the iron supplementing effect of the beet root powder is guaranteed, the whole preparation process is simple and convenient, and the preparation efficiency is improved.
Owner:李宛瑾

Iron supplementation in affective disorders and / or post-traumatic stress disorder (PTSD) and / or serotonin-dependent diseases

Subject matter of the present invention is iron supplementation for treatment and / or prophylaxis of an affective disorder and / or post-traumatic stress disorder (PTSD) and / or serotonin-dependent diseases in a human patient in need thereof. Subject matter of the present invention is in particular iron supplementation for treatment and / or prophylaxis of depression, in particular of a major depressive disorder (MDD) in a human patient in need thereof.
Owner:MALIAN BIOLOGICALS GMBH

Intestinal absorption of hematin chloride

The present application relates to a kind of intestinal absorption hemin, belong to biological medicine technical field, the intestinal absorption hemin, including hemin and gamma-cyclodextrin;The molar ratio of hemin and cyclodextrin is 1:2;The preparation method of the intestinal absorption hemin, comprising the following steps: (1) hemin is mixed with ammonia water, to obtain hemin solution;Cyclodextrin is mixed with water, to obtain cyclodextrin aqueous solution;(2) the hemin solution is mixed with the cyclodextrin aqueous solution, to obtain mixed solution;(3) the mixed solution is stirred, and dried for 5h, to obtain intestinal absorption hemin.The intestinal absorption hemin prepared in the present application has the advantages of water solubility and stability, high bioavailability after gastrointestinal digestion, and can be used as a raw material for preparing nutritional fortifier for iron supplementation.
Owner:BEIJING TECH & BUSINESS UNIV

Lentinan-ferrous complex for improving intestinal flora and oxidative stress and preparation method thereof

The invention discloses a lentinan-ferrous complex for improving intestinal flora and oxidative stress as well as a preparation method and application of the lentinan-ferrous complex, and belongs to the technical field of functional foods and medicines. The preparation method comprises the following steps: dissolving lentinan and trisodium citrate in water in proportion, heating to 50-55 DEG C under the protection of nitrogen, slowly dropwise adding a FeSO4 solution, simultaneously maintaining the pH value to be 8-9 by using a NaOH solution, reacting, centrifuging the reaction solution, precipitating with alcohol, washing, and drying to obtain the lentinan. The prepared complex can significantly improve the stability of ferrous ions, and the bioavailability of the complex in a rat body is superior to that of ferrous sulfate and ferrous glycinate. More importantly, the complex has multiple effects of supplementing iron, regulating intestinal flora (such as reducing F / B value), increasing the yield of short-chain fatty acid and relieving oxidative stress and inflammatory response, and can be used for developing a novel iron supplementing preparation with an intestinal microenvironment improving function.
Owner:HANGZHOU YUEDONG SUPPLY TECHNOLOGY & CULTURE CO LTD

Nanometer iron oxide and donkey-hide gelatin synergistic blood replenishing nutrition formula and preparation method thereof

The invention discloses a nano iron oxide and colla corii asini synergistic blood replenishing nutrition formula and a preparation method thereof. The formula comprises the following components: 0.5-3% of surface functionalized nano iron oxide, 0.5-3% of colla corii asini and the balance of water. 30-50% of a donkey-hide gelatin matrix; 0.5 to 2.5% of vitamin C or a vitamin C derivative; 2-7% of plant polysaccharide; 0.5-3% of a licorice extract; 40-55% of ice syrup; the preparation method comprises the following steps: dissolving the donkey-hide gelatin matrix, adding the premixed nano iron oxide and vitamin C derivative, carrying out ultrasonic dispersion, sequentially adding other components, and carrying out homogenization treatment. According to the invention, sodium citrate or gelatin-coated nano iron oxide is used as a high-efficiency iron source and is matched with the blood replenishing effect of donkey-hide gelatin to realize function synergy; the bioavailability of iron is remarkably improved through the compatibility of vitamin C and polysaccharide; the nutritional powder has the advantages of traditional nourishing and modern nutritional supplement, and can be prepared into various dosage forms such as paste and soft sweets. In addition, the in-vitro absorption rate is 1.8-2.5 times of that of a traditional iron agent, the gastrointestinal irritation is remarkably reduced, and the iron-containing compound preparation is particularly suitable for nutrition intervention of people suffering from iron-deficiency anemia.
Owner:SUZHOU XINYING BIOMEDICAL TECH CO LTD

A specialized heme iron-glycine chelated iron iron-supplement preparation

PCT designated stageWO2026150380A2OXALIC ACID DIHYDRATENutrition
The present invention discloses a heme iron – glycine chelated iron supplement preparation, belonging to the technical field of nutritional and pharmaceutical preparations. The preparation employs a four-source composite of heme iron, glycine chelated iron, ferrous gluconate, and ferrous lactate, enabling iron supplementation via heme receptor absorption, amino acid chelation pathways, and ionic diffusion. This design overcomes the limitations of single iron sources, including gastrointestinal irritation and low absorption of inorganic iron, dietary inhibition of conventional organic iron, and the high cost or slow onset of novel iron sources. The four iron sources act synergistically to reduce free iron ions and integrate multiple absorption pathways. As a result, gastrointestinal irritation is minimized, and the inhibitory effects of phytic acid, oxalic acid, and tannins are reduced, enabling stable and efficient intestinal absorption. The preparation achieves non-irritating, highly bioavailable, and sustained iron supplementation.
Owner:ZIRAOUI NOUR-EDDINE

Pectin iron supplement packaging bottle

ActiveCN309490115SIron supplementProcess engineering
1. The name of the product under this design: Pectin iron supplement packaging bottle. 2. Purpose of this design product: used for packaging pectin iron supplements. 3. The key design point of this design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the design points: three-dimensional picture.
Owner:SHANDONG AGRICULTURAL UNIVERSITY

Red heme iron red ginseng and colla corii asini nutritional milk powder and preparation method thereof

The invention discloses ruddy heme iron red ginseng and donkey-hide gelatin nutritional milk powder and a preparation method thereof, and belongs to the technical field of milk powder, the ruddy heme iron red ginseng and donkey-hide gelatin nutritional milk powder comprises the following components in parts by mass: a wet process part: 420-455 parts of whole milk powder, 306-345 parts of dried skim milk, 185-205 parts of isomaltooligosaccharide (type 50) powder, 35-40 parts of polydextrose, 11.5-14.5 parts of a milk powder nutrition enhancer III, 0.3-0.5 part of compound L-carnitine, and 0.1-0.3 part of heme chloride; according to the ruddy heme iron red ginseng and donkey-hide gelatin nutritional milk powder and the preparation method thereof, the heme chloride is adopted as an iron source, the bioavailability of the red heme iron red ginseng and donkey-hide gelatin nutritional milk powder is remarkably higher than that of ferrous sulfate used in traditional iron-supplementing milk powder, meanwhile, through beta-cyclodextrin embedding treatment, the fishy smell problem of an iron agent is solved, gastrointestinal tract stimulation is avoided, and L-sodium ascorbate is matched, so that the nutrition of the milk powder is improved. And the iron absorption rate can be further improved.
Owner:DAQING GREEN LEAF DAIRY PROD CO LTD

Recombinant adeno-associated virus, construction method thereof and application of composition of recombinant adeno-associated virus in treatment of acute myelogenous leukemia

The invention discloses a recombinant adeno-associated virus, a construction method thereof and application of a composition of the recombinant adeno-associated virus in treating acute myelogenous leukemia. The composition comprises the recombinant adeno-associated virus and a vein iron supplement agent, and the recombinant adeno-associated virus takes an adeno-associated virus as a vector and comprises an AML specific promoter NM and miR30-shGBA (miGBA). Under the combined action of the recombinant adeno-associated virus and the vein iron supplementing agent, acute myelogenous leukemia cell OH is induced to be remarkably increased, miGBA is continuously expressed, and lysosomal storage disorder and ferroptosis of cells are caused. The composition based on the recombinant adeno-associated virus and the vein iron supplement can be used for preparing a novel acute myelogenous leukemia treatment reagent.
Owner:NANJING HOSPITAL OF TCM

Preparation method and application of Sargassum fusiformis polysaccharide-iron complex

The present invention belongs to the technical field of polysaccharide complexes, and in particular to a method for preparing and applying a polysaccharide-iron complex of Sargassum fusiformis. The present invention adopts Sargassum fusiformis polysaccharide as a glycoside, and reacts it with a trivalent iron compound to prepare a polysaccharide-iron complex of Sargassum fusiformis, and through the optimization of process conditions, the iron content of the prepared polysaccharide-iron complex of Sargassum fusiformis is effectively improved, and the biological activity of the polysaccharide-iron complex of Sargassum fusiformis is further enhanced. The polysaccharide-iron complex of Sargassum fusiformis prepared by the present invention has good dissolution performance, small side effects, high stability, good solubility, and is easier to be absorbed by the body compared with traditional iron supplements. In addition, the polysaccharide-iron complex of Sargassum fusiformis has antioxidant activity in vitro, and has strong antioxidant activity against hydroxyl radicals. The preparation process of the present invention is simple, the source of raw materials is rich, and it can be used for preventing or treating iron deficiency anemia, and provides a new choice for a new iron supplement.
Owner:ZHEJIANG GONGSHANG UNIVERSITY

Typing quantitative detection method for different forms of iron in serum

The invention belongs to the field of bioanalytical chemistry and drug metabolism research, and discloses a typing quantitative detection method for different forms of iron in serum, which comprises the following steps: S1, mixing a to-be-detected serum sample with an inorganic chlorine salt solution, placing in an ultrafiltration centrifuge tube, standing, centrifuging, and taking filtrate as non-transferrin binding iron NTBI; s2, a weak acid solution of inorganic chlorine salt is added into the filter residues obtained in S1, centrifugation is conducted, and filtrate serves as transferrin binding iron TBI; s3, a mixed solution of a reducing agent solution and an inorganic chlorine salt solution is added into the filter residues obtained in the S2, centrifugation is conducted, and filtrate serves as drug binding iron DI; and S4, respectively measuring absorbance of the NTBI, TBI and DI parts by adopting a spectrophotometric method, and converting the concentration by combining a standard curve, so as to obtain the content of the NTBI, TBI and DI in the serum sample to be detected. The method realizes high-selectivity separation and accurate quantification of three different forms of iron, and is suitable for intravenous iron agent in-vivo behavior research and analysis of iron metabolism related mechanisms.
Owner:HUAZHONG UNIV OF SCI & TECH

Application of ferritin in feed additive

The invention provides application of ferritin in a feed additive, and belongs to the technical field of feed preparation. The feed additive is prepared by constructing recombinant bacillus subtilis for expressing deacetylated nereis ferritin, expressing the deacetylated nereis ferritin, carrying out ultrasonic splitting on thalli and carrying out spray drying on a splitting solution. Compared with unmutated nereis ferritin, the amount of binding iron of the deacetylated nereis ferritin is increased by 44.62%. The serum iron content of piglets fed with the deacetylated nereis ferritin feed additive is 2.51 mu g / mL, the health rate is 98%, the serum iron content and the health rate are both higher than those of a glycine iron and non-mutated nereis ferritin feed additive group, the feed conversion ratio is 1.70: 1, and the serum iron content and the health rate are lower than those of the glycine iron and the non-mutated nereis ferritin feed additive group. The deacetylated nereis ferritin feed additive has a good iron supplementing effect on piglets, and can improve the health condition of the piglets, promote the growth of the piglets and effectively increase the breeding benefits.
Owner:SHANDONG JIURUI AGRICULTURALGROUP CO LTD +1

Composite peptide nutritional composition as well as preparation method and application thereof

The invention relates to a composite peptide nutritional composition as well as a preparation method and application thereof, and belongs to the technical field of functional foods. The composite peptide nutritional composition comprises a hematopoietic function regulating system (such as cattle spleen peptide, blood protein polypeptide and salmon hydrolyzed protein peptide), an iron metabolism balance regulating system (concentrated hawthorn clear juice) and a nutrition absorption promoting system (endothelium corneum gigeriae galli peptide and pericarpium citri reticulatae powder) which have a synergistic effect. The traditional Chinese medicine composition does not contain an exogenous iron agent, and aims to improve malnutrition caused by chronic hemolytic diseases such as thalassemia. The uniformity and the stability of the product are guaranteed through a specific proportioning and a staged mixing preparation process. Animal experiments show that the composition can significantly improve hemoglobin and red blood cell count of beta-thalassemia model mice, effectively control serum iron and liver iron accumulation levels of the mice, show unique advantages of efficient hematopoiesis and low iron accumulation, and has broad application prospects. And a new nutrition support scheme is provided for improving anemia and abnormal iron metabolism conditions caused by chronic hemolysis.
Owner:GUANGZHOU YIKE YIJIA NUTRITION TECH CO LTD

Preparation method of iron supplement preparation and iron supplement preparation

The present invention provides a method for preparing an iron supplement preparation and an iron supplement preparation. The method for preparing the iron supplement preparation of the present invention comprises step (i), preparing a gold nanoparticle solution having a gold nanoparticle concentration of 200 to 1000 μg / mL and an iron solution having an iron concentration of 3 to 50 mg / mL; and step (ii), mixing the gold nanoparticle solution and the iron solution in a volume ratio of 1 to 10:10 to 30. According to the present invention, the side effects of existing oral iron supplement preparations on intestinal flora can be overcome, inflammation can be reduced, and more efficient and safe iron supplementation can be achieved.
Owner:THE NAT CENT FOR NANOSCI & TECH NCNST OF CHINA