121 results about "Iron absorption" patented technology

Nutritional or dietary supplement compositions that promote and / or maintain dietary iron absorption through administration of iron with an organic acid and optionally similar iron absorption promoters are provided. Also provided are methods of nutritional or dietary supplementation using one or more compositions that promote and / or maintain health through the prevention, stabilization, reversal and / or treatment of disorders associated with iron deficiency.

The present invention belongs to the smoke purification technical field, and discloses a method for deoxidizing integrating, complexing and absorbing the organism and removing SO2 and No in the smoke, which is characterized in that alkaline absorption solution containing the ferrous-iron complexing agent Fe<II>(L) is arranged inside an absorption tower; SO2 is neutralized in the absorption solution, and NO is absorbed by the complexing iron; the smoke is exhausted from the top of the absorption tower; the absorption tail solution enters into an anaerobic reactor, and SO3<2> or SO4<2> in the tail solution is deoxidized to sulfide by sulfate reducting bacteria; the sulfide deoxidizes Fe<II>(L)-NO, Fe<III>(L) and other N-S compound in the tail solution to Fe<II>(L) and N2; at the same time, the sulfide is oxidized to simple sulfur; the absorption tail solution containing the Fe<II>(L) is directly returned to the smoke absorption tower to be used as desulphurization denitration absorption solution. The method of the present invention has the advantages that the micro-organism smoke desulphurization method and the complexing absorption smoke denitration method are combined, so that the sulfur dioxide and the nitrogen oxide can be synchronically removed, and the sulfur resource can be recycled; the complexing iron absorption agent can be cycled for use.

The invention discloses a scrap iron absorber and an automatic scrap iron cleaning vehicle provided with the scrap iron absorber. An absorption region of the scrap iron absorber comprises an absorption rolling system and a control system (6), a storage region comprises a collecting bin (7), wherein the absorption rolling system comprises an upper rolling shaft (4), a lower rolling shaft (3), a rolling shaft fixing plate (1), a hoisting belt (2) and a blanking opening (5), the upper rolling shaft (4) and the lower rolling shaft (3) are fixed at both ends of the rolling shaft fixing plate (1), the rolling shaft fixing plate (1) is fixed on the control system (6) through a fixing plate mounting hole (12), and the upper rolling shaft (4) and the lower rolling shaft (3) are connected through the hoisting belt (2); and the control system (6) consists a power driving module, a magnetization module and a lifting module. The scrap iron absorber is supported by a station transport or bucket wagon, overcomes the disadvantages of large volume and ponderosity of the prior cleaning vehicle, can collect, recover and utilize scrap iron garbage, and has a simple structure and convenient operation.

The invention relates to a preparation type liquid dairy product, in particular to a liquid dairy product rich in lactoferrin and a preparation method thereof. On the basis of 100 portions of the liquid dairy product by weight, the liquid dairy product rich in the lactoferrin comprises the following materials by weight portion: 30-99.8 of milk, 0.001-20 of the lactoferrin and 0.1-1 of stabilizing agents, and the balance of water. The invention also provides a method for preparing the liquid dairy product rich in the lactoferrin, comprising the following steps: milk cleaning, pasteurization, batch feeder, ultrahigh-temperature sterilizing, homogenizing, aseptic lactoferrin addition, can filling, and the like. The liquid dairy product rich in the lactoferrin prolongs shelf life of liquid products, greatly saves the preparation cost and the management cost, can regulate the iron absorption of gastrointestinal tracts, effectively improve the anaemia symptoms of a body, regulates the immune response of the body, and effectively plays an antibacterial and antiviral role.

The invention provides phytochelatin iron supplement powder which contains iron and has an iron supplementation function and a preparation method of the phytochelatin iron supplementation powder and belongs to the technical field of health-care food. The preparation method includes the steps that fresh pig blood is centrifuged, lower-layer blood cells are obtained, wall breaking is conducted on blood cell homogeneity, hemoglobin is obtained, the hemoglobin is subjected to enzymolysis with alkaline protease, after enzyme deactivation is conducted, enzymatic hydrolysate is subjected to decoloration with a decolorising agent, and liquid supernatant is dried after decoloration, and porcine hemoglobin polypeptide is obtained; chelation with ferrous chloride is conducted, reactant is treated through an ethanol solution, sediment is obtained, suction filtration is conducted repeatedly till filter residues are not separated out any more, freezing and drying are conducted, powder is obtained, and porcine hemoglobin iron phytochelatin is obtained; then 0.2-0.4 part of porcine hemoglobin iron phytochelatin , 30-50 parts of red bean powder, 20-30 parts of jujube powder, 8-10 parts of glucose and 0.3-0.5 part of glucose are fully mixed to be uniform, and the phytochelatin iron supplement powder containing iron and with the iron supplementation function is obtained. Through in-vitro simulation digestion and absorption inspection, the iron absorption rate of a product to which the porcine hemoglobin iron phytochelatin is added is 14-31% higher than that of a product to which ferrous chloride is added, a high iron absorption rate is achieved, and a good iron supplementation function can be achieved.

The invention discloses a nutritional package for treating anemia, astriction and lumbus and leg pains of pregnant and lying-in women. The nutritional package is characterized by being prepared from, by mass, 4-6% of isomalto-oligosaccharide, 3.2-4.8% of fructo-oligosaccharide and 0.8-1.2% of galactooligosaccharide. The nutritional package further contains whole milk powder, instant bean powder, maltodextrin, dried skim milk, whey protein meal, soy isolate protein meal, red date extracts, calcium carbonate, docosahexenoic acid, compound vitamins, compound mineral substances, lactobacillus fermenti and ethyl vanillin which are blended. By blending soluble dietary fibers, the nutritional package which is low in cost, stable, good in taste and capable of effectively promoting iron absorption of the pregnant women and relieving astriction instead of causing astriction which might occur along with the increase of iron uptake is obtained.

The invention relates to a combination of donkey-hid gelatin and calcium and a preparation method thereof, which pertains to the preparation field of medical nutrition. Iron-deficiency and calcium deficiency exist at the same time, when a person supplements the calcium in a large dosage, the calcium inhibits the body to absorb the iron elements and impacts the effect of blood enriching; in order to overcome the problem, the invention discloses a formula of the combination of donkey-hid gelatin and calcium; the formula not only comprises donkey-hid gelatin, calcium lactate, calcium gluconate, but also the iron-supplementing agent of ferrous fumarate, the calcium and iron absorption enhancer of casein phosphopeptide and excipients acceptable by pharmacology. The combination realizes the purpose of supplementing the calcium and the iron at the same time, thus having the advantages of reducing types of medicines taken by a patient, improving nutritional anemia, enhancing bone mineral density and reducing economic burden of the patient.

The invention relates to a pseudomonas mediterranea strain and application thereof. The pseudomonas mediterranea MJM-3 is preserved in the general microorganism center of the China microorganism culture preservation management committee, the preservation address is No.3 of No.1 courtyard of Beichen West road of Chaoyang district of Beijing City, the preservation date is 26th July, 2012, and the preservation number is CGMCC NO.6292. The pseudomonas mediterranea strain is used as bacterial manure for growing crops. The pseudomonas mediterranea strain has ACC (1-aminocyclopropane-1-carboxylate) deaminase activity, and can secrete auximone IAA (indole acetic acid) and siderophores. Accordingly, the concentration of ethylene in a plant under the condition of environmental stress can be reduced, growth and development of a root system of the plant are promoted, iron absorption of the plant is also promoted, and growth condition of the plant is improved. Besides, when applied to agriculturalproduction, the pseudomonas mediterranea strain can promote growth of plants, yield of crops is increased, and stress resistance of the crops is strengthened.

The invention discloses a pesticide fertilizer for preventing and treating sugarcane yellows. The pesticide fertilizer comprises a pharmaceutical preparation and a fertilizer, wherein the fertilizer comprises the following components in parts by weight: 150-450 parts of iron fertilizer, 160-800 parts of nitrogen fertilizer, 30-100 parts of citric acid, 0.05-1 part of Tween, 0.01-0.1 part of methyl orange and 500-1500 parts of water. The pesticide fertilizer provided by the invention provides a high-efficiency iron source for sugarcanes, supplements active iron deficient in seedlings suffering from sugarcane yellows caused by excessive manganese in acid soil and eliminates an antagonistic effect of excessive manganese on sugarcane body cell iron absorption; and after the pesticide fertilizer is applied, the sugarcane seedlings suffering from yellows obviously turn green. The fertilizer for preventing and treating the sugarcane yellows is added into an insecticide, the sugarcane yellows are cured in the process of spraying insecticides to control sugarcane borers, the labor is saved, and the working efficiency is improved. A synergist for promoting fertilizer absorption and transport is added into the pesticide fertilizer, so that the performance of the pesticide fertilizer is improved, and mineral nutrition in urgent need of the greened sugarcane seedlings is provided.

The invention relates to a high-gradient internal circulation oil cooling iron remover, which comprises a magnetic coil (4), an internal circulation oil path system (3), an external cooling system (2) and an oil conservator (1), wherein the magnetic coil (4) is used for generating an excitation magnetic field capable of realizing the iron absorption effect of the iron remover; the magnetic circuit of the magnetic coil (4) is an opened magnetic circuit structure; the internal circulation oil path system (3) is used for distributing, collecting and circulating oil of a transformer; the external cooling system (2) is used for dissipating heat of the oil of the transformer so as to realize internal heat dissipation balance of the high-gradient internal circulation oil cooling iron remover; and the oil conservator (1) is used as a complementary container when oil in the transformer is inflated in the event of operating equipment. By adopting the internal circulation structure, the high-gradient internal circulation oil cooling iron remover disclosed by the invention is capable of simplifying external circulation pipelines, reducing oil path circulation resistance, avoiding the problems of being complex and interferential in oil path arrangement, low in circulation efficiency, leaked in welding spot and the like, ensuring the iron remover to work normally, and increasing the iron removing efficiency.

The invention relates to a turntable vacuum moulding production line which comprises a shakeout transfer trolley, an electromagnetic iron absorption mechanism, a pouring mechanism, box closing manipulators, a box returning motor roller way, a box opening space motor roller way and a box opening space. In the invention, multiple pairs of upper and lower box models are arranged in a circular automatic moulding ring respectively; the models are continuously subjected to coating, spraying, drying, empty box fastening, sand addition, compaction, smoothening and back film coating, wherein all operations can be automatically performed, except for the spraying which is manually operated. Two rapping box closing manipulators are arranged between two moulding rings so as to perform rapping, box turning and box closing on the lower and upper boxes respectively. The closed moulding boxes are continuously arranged in the pouring moulding ring and sequentially subjected to pouring, cooling and box opening, wherein manual pouring is adopted generally, and other processes can be realized automatically; and due to the automatic moulding line, the production efficiency is greatly improved, and the moulding of 20 models can be realized per hour.

The invention discloses Zea mays zinc iron-regulated transporter ZmZIP4 and ZmZIP6 genes and applications thereof. The Zea mays zinc iron-regulated transporter ZmZIP4 and ZmZIP6 genes are separated from Zea mays, and the cDNA sequences of the genes are represented by SEQ ID No.1 and SEQ ID No.3 respectively. Subcellular localization shows that a zinc iron-regulated transporter encoded by the two genes is localized in the plasma membrane and endoplasmic reticulum of a cell. Quantitative real-time RT-PCR expression analysis shows that the ZmZIP4 plays a role in the embryo growth process, and the ZmZIP6 is related to embryo maturation. Yeast complementation experiments show that each of the ZmZIP4 and the ZmZIP6 has a zinc and iron transportation function. The separated ZmZIP4 and ZmZIP6 genes have important application prospects in the regulation of zinc and iron absorption, transportation and storage of plants, and promotion of the embryo maturation, and radicle and germ growth.

The invention discloses a traditional Chinese medicine for treating iron-deficiency anemia, belonging to the technical field of traditional Chinese medicines. The traditional Chinese medicine is prepared by using 9 Chinese medicinal herbs such as codonopsis pilosula, raidx astragali, Chinese angelica, and the like as raw materials and is prepared by the steps of: crushing 1 / 2 of the Chinese angelica into fine powder; mixing with bighead atractylodes rhizome, rhizoma atractylodis and curcuma zedoary and distilling with steam for extracting essential oil; mixing with the codonopsis pilosula, the raidx astragali and the left 1 / 2 of the Chinese angelica, extracting with alcohol, filtering, decompressing and concentrating filtrate into a thick paste; mixing with mrlberrt fruit, fruit of Chinese wolfberry and fructus ziziphi jujubae and adding water for decocting; filtering decoction, decompressing and concentrating filtrate into a thick paste; mixing the two thick pastes, uniformly stirring, drying into a dried paste, crushing into fine powder, adding the fine powder of the Chinese angelica and a proper amount of medicinal pharmaceutic adjuvants and uniformly mixing to prepare particles; drying, cooling, spraying essential oil of the bighead atractylodes rhizome and the like, uniformly mixing, and closing to obtain the traditional Chinese medicine. The granular formulation prepared by the invention can effectively promote the iron absorption of the human body and avoid the stimulation of the digestive tract, and has remarkable treatment effect on the iron-deficiency anemia.

The present invention discloses a cultivation method of a transgenic crop, the grain of which is rich in iron or zinc and nicotinamide, comprising the steps as follows: firstly, nicotinamide synthetase gene is selected, and a prompter and a terminator of endosperm specific expression gene are selected; secondly, the construction of an transgenic vector of endosperm specific expression is that the prompter of the endosperm specific expression gene, the nicotinamide synthetase gene and the terminator used for commonly used plant expression are in forward series connection to obtain a gene expression cassette that crop endosperm expressively expresses NAS gene and accordingly to obtain the transgenic vector; thirdly, transgenic gene crop is cultivated. The method is adopted, which can improve the content of iron and zinc and the content of NA in the grains of the crop and accordingly the crop containing high biological effective iron element is obtained. The present invention also discloses the purpose of the transgenic crop that the obtained grains are used as food additive to be added into food or feed, so as to improve the iron absorption rate of the food or the feed.

A Chinese herbal medicine feed additive to improve immunity of rex rabbit and prevent diarrheal diseases is composed of, by weight, 30-50g of Polygonum multiflorum, 15-30g of dandelion, 15-45g of Radix Codonopsis, 15-45g of Poria cocos, 5-15g of Eucommia, 5-15g of Phellodendron, 5-15g of Scutellaria baicalensis, 5-15g of Chinese angelica, 5-15g of Chinese herbaceous peony, 5-15g of radices saussureae, 15-45g of scorch-fried medicated leaven, 15-45g of scorch-fried malt, 15-45g of scorch-fried sanxian, 5-8g of aloe, 6-10g of isatis root, 30-90g of fossil fragments, 10-30g of lily, 30-80g of licorice, 10-20g of hawthorn and 10-20g of betel nut. According to the principle of compatibility of traditional Chinese medicine, and combined with the physiological characteristics of rex rabbit, the invention applies a medicament composed of Chinese herbal medicine as an additive to rex rabbit feed, so as to enhance constitution of rex rabbit, improve immunity, prevent and treat diarrhea, strengthen calcium and iron absorption, reduce the occurrence of malnutrition and disease.

The invention relates to an energy-saving alternating-current contactor with a fault clearing lock. A lock hook is fixedly mounted on a moving iron core; the fault clearing lock is mounted below or above a static iron core; and the head of a lock tongue stem of the fault clearing lock is adjacent to a center line of the lock hook. A connecting rod on which a reset spring is sleeved is arranged ina lock body, the front end of the connecting rod is fixedly connected with a lock tongue stem baffle, and the rear end of the connecting rod is fixedly connected with an iron absorption plate; an unlocking coil and an iron core are mounted in a rear cavity of the lock body; and the unlocking coil is connected with an open-phase and short-circuit fault automatic clearing circuit. The invention hasthe characteristics that the mechanical self-locking of the three-phase moving contact can be realized, so that the coil of the contactor is uncharged during the normal operation to prolong the service life of the coil of the contactor and save the electric energy and the resources; when the faults of open phase and short circuit exist in an electric line, a switch is automatically closed to power off, so that the economic benefit and the social benefit are huge.

The invention discloses a method adopting OsRMC protein to cultivate a transgenic plant with improved iron absorption capability, which includes the step that the transgenic plant with the iron-deficiency tolerance and / or iron absorption and / or zinc absorption higher than that of a target plant can be obtained through transferring an encoding gene of the OsRMC protein to a target plant, wherein the OsRMC protein is (a) or (b): (a), the protein consists of an amino acid sequence represented in sequence 1 in a sequence table; and (b), the protein derived from the sequence 1, obtained through performing replacement and / or deletion and / or addition of one or more amino acid residues for the amino acid sequence in the sequence 1, and related to iron-deficiency tolerance and / or iron absorption and / or zinc absorption of the plant. The method is of great value on cultivating plants with high iron-deficiency tolerance, iron absorption and zinc absorption, as well as improving the output of plants.

The present invention belongs to the technical field of gas purification, and discloses a treatment method for gas containing hydrogen sulfide and mercaptan. According to the method, an improved chelated iron absorption solution is adopted to convert hydrogen sulfide in gas into hydrosulfide radical ions during an absorption process; the rich solution absorbing the hydrogen sulfide is subjected to air oxidation regeneration so as to convert the hydrosulfide radical ions into elemental sulfur harmless for the environment, the absorbed mercaptan is converted into mercaptide under a catalysis effect of a quaternary ammonium base, and the treated gas achieves pipeline transportation requirements; and the absorption solution comprises a chelating agent, a stabilizer, a sulfur modifier and a quaternary ammonium base, and provides high removal efficiency for hydrogen sulfide and mercaptan, wherein the total sulfur removal rate is more than 99.9%.

The invention discloses a blood tonifying compound and relates to a compound, in particular to a blood tonifying compound. The compound solves the problems that traditional blood tonifying products have slow effect, do not supplement enough iron to patients with iron deficiency anemia, stimulate the intestines and the stomach, have bad taste, black teeth and cannot play a collaborative role because of unreasonable combination. The blood tonifying compound comprises the following components in parts by weight: 37 to 263 parts of Chinese medicine with blood tonifying and gastric digestion functions, 5 to 25 parts of Chinese medicine used for promoting iron absorption, 1 to 4 parts of iron and 1 to 2 parts of antioxidant. The blood tonifying compound is characterized by quick effect, enough iron supplementation to the patients with iron deficiency anemia, no stimulation to the intestines and the stomach, good taste, no tooth blacking and reasonable formula.

The invention relates to a method for removing hydrogen sulfide in gas, which belongs to the technical field of gas purification. The method is characterized in that hydrogen sulfide-containing gas is introduced into a power wave absorber to remove a lot of hydrogen sulfide, a few of hydrogen sulfide is introduced into a filled tower for fine desulphurization. According to the invention, a complexation iron absorption solution is employed, and hydrogen sulfide in gas is converted to sulfhydryl ions during an absorption process; a rich solution absorbing hydrogen sulfide converts the sulfhydryl ions to elemental sulfur which is no harm to environment through air oxidation regeneration, and the processed gas can reach the discharge requirement; the sulfur-containing gas is introduced into the power wave absorber, and is contacted with a complexation iron desulphurization solution sprayed from down to up in a counter current mode, a stable foaming layer is formed, the absorption solution is subjected to rapid rotary cutting, the gas and liquid are fully contacted, the mass transfer efficiency is obviously increased, the hydrogen sulfide gas can be rapidly absorbed, most hydrogen sulfide can be removed through power wave, and a few of hydrogen sulfide in the gas is removed through the filled tower, so that the purifying requirement can be reached.

The invention discloses a preparation methods euphausia superba iron chelate peptide. Euphausia superba powder is used as a raw material, degreasing, enzymolysis and membrane separation are performed,and a component with molecular weight smaller than 3000 Da is taken and subjected to vacuum freeze-drying to obtain the euphausia superba iron chelate peptide. The euphausia superba iron chelate peptide can bind with Fe<2+> to form euphausia superba iron chelate. The prepared euphausia superba iron chelate peptide has iron chelate rate up to 93%, can improve the bioavailability of iron in organisms, has good iron absorption promoting activity, can promote iron absorption and supplement organisms with essential amino acids for organisms compared with inorganic iron FeSO4, and also provides a new direction for high-value utilization of euphausia superba. The prepared euphausia superba iron chelate peptide can be applied to preparation of iron-rich food or iron supplements.

The invention belongs to the circuit board loading device technical field, and especially relates to a circuit board automatic loading device comprising a lifting device, a display, a button zone, an operation panel, an electromagnet, a suction fan, a board storage box, isolation plates, a rotary shaft, a movable door, and an iron absorption board; the front side of the lifting device is provided with the display and the button zone; the operation panel is fixed on the lifting device; the electromagnet is arranged in the operation panel; the upper right side of the operation panel is provided with the board storage box; the left outer side of the operation panel is provided with the suction fan matched with the board storage box; isolation plates are transversely arranged in the board storage box; the left lower portion of the board storage box is connected with the movable door through the rotary shaft; the iron absorption board is fixed under the board storage box. The circuit board automatic loading device is good in storage tidiness, and good in stability.

The invention provides iron-enriched dried noodles, which are made from the following raw material in part by weight: 8 to 12 parts of soybean meal, 10 to 15 parts of sesame powder, 10 to 15 parts of peanut powder, 0.03 to 0.05 part of vitamin C, 0.5 to 1.5 parts of iron supplement, 30 to 40 parts of water and 100 to 110 parts of wheat flour. The noodles are common noodles added with iron supplements. The added sesame powder and peanut powder with high iron content promote the iron absorption of human bodies, the vitamin C enhances the immunity and disease resistance and prevention capacity in the human bodies, the soybean meal increases the protein content of the noodles, and the soybean meal, the sesame powder and the peanut powder together make the boiled noodles smell fragrance and appetizing. The noodles are simple in making and easy to cook and have obvious iron supplementing effect, and therefore the noodles are particularly suitable for people in need of iron such as pregnant women and children.

The controllable feeding screening system before wheat flour milling includes a bracket and a feeding tube. The upper part of the bracket is horizontally equipped with an upper frame, and the upper frame is equipped with a storage tank. The lower end of the storage tank is connected with a diversion tube. Rotationally connected to the supporting hanging structure, the lower end of the guide pipe is inserted into the feeding pipe, the feeding pipe is composed of a straight pipe section arranged vertically on the upper part and a curved pipe section at the lower part, and a swing driving mechanism connected with the straight pipe section is arranged on the bracket ;The lower part of the support is provided with a lower frame, the lower frame is provided with a vibrating screen, and the bent pipe section is provided with a feeding and iron chip suction device for adjusting the size of the lower port of the feeding pipe; the support is provided with a device for removing large particles of impurities on the vibrating screen And an impurity cleaning mechanism that collects iron filings and impurities. The invention integrates the removal of magnetic impurities and large particle impurities, and has the beneficial effects of high degree of automation, easy operation, good screening effect and high screening efficiency.

The invention relates to the technical field of blood replenishing health beverages, in particular to a preparation method of a heme iron solid beverage and a solid beverage prepared thereby. The heme iron solid beverage is composed of the following solid raw materials by weight part: 2.25-2.5 of heme iron; 1.5-3.0 of casein phosphopeptide; 15-25 of chicken's gizzard-membrane; 71-78 of xylitol; and 10.25-15 of starch. According to the invention, iron absorption promoting casein phosphopeptide and chicken's gizzard-membrane are added into heme iron with the highest absorption rate. The prepared solid beverage has no toxic or side effect, and has an absorption rate up to 10-40% and stabilized at about 25%. After nanocrystallization of heme iron, the iron absorption can be as high as 94-95%, and the absorption rate is greatly improved.

The invention relates to application of an arabidopsis gene IAR1 in the aspects of iron nutrient and drought resistance, which is characterized in that: rhizosphere acidulation genes IAR1 related to arabidopsis iron absorption are regulated under the condition of iron deficiency; and the expression of the IAR1 gene controls the capacity of arabidopsis rhizosphere acidulation and absorption and utilization of plants to ion irons, and influences iron deficiency resisting reaction and drought resistance capacity of the plants. Analysis of functions and effects of the IAR1 gene provides basis and premise for obtaining new varieties of transgenic iron high-efficiency crops and improving drought resisting reaction of the plants.

The invention discloses penicillium asturianum, which is classified as penicillium asturianum and has a strain number XK-12, and is preserved in the General Microorganisms Collection and Management Center of China, a preservation time is March 28th, 2019, and a preservation number is CGMCC No. 17198. The invention also discloses an application of the above-mentioned penicillium asturianum. The strain of the invention has excellent properties such as high temperature resistance, salt and alkali resistance, cellulase production, iron absorption and phosphorus solubilization, and can be applied to poor soil, saline-alkali land and calcareous soil restoration, straw decomposing and composting agent inoculation. The P. asturianum XK-12 strain has large sporulation quantity, is highly efficientand has the broad-spectrum plant disease biocontrol ability, can promote plant growth and is suitable for industrial production.

The invention relates to an absorbable iron-based implantable device. The absorbable iron-based implantable device comprises an iron-based matrix and an iron-promoting absorbent attached to the iron-based matrix. The iron-promoting absorbent is a polymer, and an iron-promoting absorbent molecular chain contains an antioxidant structural unit. An antioxidant is released gradually with gradual degradation or chain breaking of the iron-promoting absorbent and can play a role in promoting iron absorption.