107 results about "Chelate iron" patented technology

The invention discloses a chelated iron desulfurizer and application method thereof, and belongs to the technical field of gas purification. The chelated iron desulfurizer comprises the following components: soluble iron salt, an iron salt chelating agent, a sulfide absorbent, a stabilizing agent, a composite particle settling agent, and a multifunctional corrosion inhibitor; wherein the mole ratio of Fe<3+> to Fe<2+> in soluble iron salts is 1:3-5:1; the mole ratio of chelating agent to iron salts is 1.2:1-3:1, and the pH value of the solution is 8.0 to 9.5. The chelated iron desulfurizer is used to remove sulfur under the assistance of a hyper-gravity technology; the desulfurization efficiency is high, the work sulfur capacity is high, the performance of the desulfurizer is stable, and the oxidation regeneration performance is good. The hyper-gravity chelated iron desulfurization technology has the advantages that the technology is simple, the mass transfer efficiency between gas and liquid is high, the equipment is small and can be easily assembled or disassembled, and the technology can be used to remove H2S from natural gas or associated gas in an offshore oil and gas platform.

The invention provides health-care food for beautifying and brightening hair of a dog, belonging to the field of animal health-care products. The health-care food formula comprises the following components by weight based on 1kg: 10-30g of deep sea fish oil, 10-30g of linseed oil, 5-20g of poppyseed oil, 10-30g of perilla oil, 10-30g of grape seed oil, 10-30g of lecithin, 5-20g of chelate iron, 1-10g of chelate manganese, 5-20g of chelate zinc, 1-5g of chelate copper, 0.05-0.2g of yeast selenium, 150-250g of methionine, 50-150g of lysine, 1-4g of vitamin E, 0.05-0.2g of vitamin D, 0.5-2g of vitamin A, 0.05-0.2g of vitamin B1, 0.1-0.4g of vitamin B2, 0.05-0.2g of vitamin B6, 0.05-0.4g of vitamin B12, 0.05-0.2g of biotin, 0.1-0.4g of nicotinic acid, 1-5g of bacillus, 1-5g of yeast, 120-180gof chicken liver powder, 50-80g of Rosmarinus officinalis and the balance of yeast powder. The components are made into a tablet with the specification of 0.7-0.9g according to a regular tabletting process, and the water content is less than 10%. The health-care food provided by the invention has the advantages of high titer and strong stability and is capable of improving the fur health of the dog, protecting hair follicles and hair shafts against damage, enabling the hair to be smooth and soft, reducing hair slip, promoting regeneration of furs, improving immunity comprehensively and ensuring the dog in a healthy and vital state.

The invention refers to a method for eliminating nitrogen oxide from waste gas, which solves the problem of high investment and high cost by using current selective catalyst reducing method and selective non-catalyst reducing method. It uses the ferrous iron mist liquid as the denitriding liquid. The reducing matter is iron. The method uses ferrous chelator to react with the nitrogen oxide, generates nitrosyl complex, the nitrogen oxide in the waste gas enters the liquid phase, the iron and the nitrosyl complex react, reduces the nitrogen combined with the chelate iron into N2. The process is simple, the operation is convenient. The cost is low, and the efficiency is high.

The invention provides a premix containing organic microelements and a feed prepared from the premix, wherein the premix is formed by small peptide chelate type organic microelements and high-efficiency protein selenium. The piglet complete feed is characterized in that in each ton of piglet complete feed, 200-2000g of the premix is added, each 500g of premix contains 50-200g of small peptide chelate iron, 50-250g of small peptide chelate zinc, 20-50g of small peptide chelate copper, 25-100g of small peptide chelate manganese, and 5-15g of protein selenium. The small peptide chelate type organic microelements include Optimin zinc, Optimin manganese, Optimin copper and Optimin iron, all of which contains 2-3 amino acids. According to the premix and the piglet complete feed provided by the invention, dosage of inorganic microelements is reduced, pollution of inorganic microelements and heavy metals to the environment is obviously reduced, further, the feed utilization ratio and productivity of piglets are improved, the oxidative deterioration of the feed is reduced, the palatability of the feed is improved, and the growth healthy state of the piglets is promoted.

The invention discloses a premix feed capable of improving the quality of mink fur and increasing the feed utilization rate, and also capable of increasing the digestibility of minks on nutrient substances of in a fur development period, and a preparation method of the premix feed. The premix feed is prepared from the following raw material components according to ratios based on one kilogram of the mixed feed: 240g-275g of corn protein powder, 18g-25g of compound vitamin B, 25g-30g of a compound enzyme preparation, 250000-300000IU of vitamin A, 12g-16g of vitamin C, 2000-2500IU of vitamin E, 50000-80000IU of vitamin D3, 0.6g-1.1g of vitamin K3, 15g-20g of DL-methionine, 18g-22g of L-lysine, 10g-14g of L-arginine, 0.5g-1g of D-biotin, 55g-70g of choline chloride, 20g-28g of methionine chelated iron, 10g-15g of methionine chelated copper, 30g-35g of methionine chelated manganese, 26g-30g of methionine chelated zinc, 5g-10g of sodium selenite, 5g-9g of cobalt acetate, 5g-8g of potassium iodide, 10g-15g of probiotics, 4g-6g of calcium pantothenate, 3g-6g of nicotinamide, 0.5g-1g of folic acid, 135g-150g of calcium dihydrogen phosphate, 30g-35g of sodium chloride and 245g-265g of puffed corn flour. The premix feed can be used for effectively increasing the digestibility of the minks on protein, fat and carbohydrates in the fur development period, reducing the diarrhea rate of the minks and improving the quality of the furs of the minks and the culture benefits.

The invention provides special dripping-irrigating fertilizer for fruit corns, a preparation method and an application method of the special dripping-irrigating fertilizer. The special dripping-irrigating fertilizer for the fruit corns comprises a special fertilizer for a seedling stage, a special fertilizer for a heading stage, and a special fertilizer for a kernel stage, wherein the special fertilizer for the seedling stage comprises the following components by weight part: 270 to 288 parts of potassium nitrate, 120 to 134 parts of monoammonium phosphate, 576 to 596 parts of urea, 4 to 6 parts of EDTA (Ethylene Diamine Tetraacetic Acid) chelate zinc, 0.6 to 0.8 part of EDTA chelate ferrous, 0.7 to 0.9 part of EDTA chelate manganese, and 1.4 to 1.6 parts of boric acid. According to the special dripping-irrigating fertilizer for the fruit corns, different fertilizer prescriptions are provided for the fruit corns at different growth stages, so that high targeting property is ensured, and the fertilizer effect is remarkable; the fertilizer is reasonable in mixing ratio of nutrient elements, comprehensive in nutrients, stable in performance and high in water solubility, and very suitable for being used in a dripping and irrigating manner; by adopting the special dripping-irrigating fertilizer for the fruit corns, the fertilizer dosage is reduced, and the problem that the soil environment is polluted due to excessive fertilizing and unreasonable fertilizing can be avoided; and the application method is simple and easy to master, and can realize the maximum utilization of the fertilizer.

The invention provides a soilless tomato culture nutrient solution, comprising calcium nitrate tetrahydrate, ethylenediaminetetraacetic acid sodium ferric salt, ammonium nitrate, an EM probiotic liquid, potassium nitrate, potassium magnesium phosphate, copper sulfate, manganese sulfate, boric acid, ammonium molybdate, EDTA (Ethylene Diamine Tetraacetic Acid) chelated iron and the balance of water. According to the soilless tomato culture nutrient solution provided by the invention, the EM probiotic liquid is added to propagate strains necessary for probiotics so as to form a good microbial circulation system for the nutrient solution, the system can fully decompose organic matters generated in the nutrient solution in a planting process to transform the organic matters into substances to be absorbed by plants, and the potassium nitrate, potassium magnesium phosphate, copper sulfate, manganese sulfate, boric acid, ammonium molybdate and EDTA chelated iron provide such elements necessary for tomatoes as potassium, magnesium, copper, manganese, boron, molybdenum, iron and the like so as to enable the tomatoes to achieve an optimal growth effect so as to increase the yield and improve the quality.

The invention discloses a selenium-containing trace element corn leaf fertilizer and a cultivation technique thereof for selenium-rich corn. The selenium-containing trace element corn leaf fertilizer comprises the following raw materials in percentage by mass: 24-26% of chelate zinc, 3.5-4% of ammonium molybdate tetrahydrate, 24-26% of chelate iron, 12-13% of borax, 8.5-9% of sodium selenite and 24-26% of monopotassium phosphate. The cultivation technique comprises the following steps: preparing before seeding, selecting good seeds, seeding, densely planting reasonably, preventing diseases and removing insects, weeding, dressing the fertilizer, performing water-saving irrigation, and harvesting and storing. By adopting the selenium-containing trace element corn leaf fertilizer, the yield of corn is greatly increased, the content of the selenium element in corn is increased, the nutrition of corn self is maintained, and the content of the selenium element needed by human bodies can be met, therefore, the immunity is improved, and cancer can be prevented. As the fertilizer is completely absorbed by the crop, the cultivation technique is relatively safe and reliable.

The invention provides a selenium-enriched organic-inorganic compound fertilizer for melon plantation. The compound fertilizer comprises the following components in weight part: urea, organic fertilizer, ammonium dihydrogen phosphate, monoammonium phosphate, potassium chloride, zinc sulfate, humic acid, attapulgite, sodium selenite, EM fungicide, EDTA chelated iron, EDTA chelated zinc, EDTA chelated copper, amino acid chelated manganese, amino acid chelated iron, amino acid chelated molybdenum, urease inhibitor, nitrification inhibitor and paclobutrazol. The compound fertilizer is in the form of an organic-inorganic compound fertilizer and is long in fertilizer efficiency. Only after the one-time fertilization, the planting period of melon can be covered by the fertilizer, while the replacement of the fertilizer is avoided. Moreover, the fertilizer is rich in various trace elements, and can increase the type and the content of nutrient elements in the soil. The nutritional value of the melon is improved. In addition, the fertilizer integrates microbial strains with bactericidal agents, so that the disease resistance of the melon during the planting process is improved. The fertilizer is low in production cost, favorable for market promotion and good in economic benefit.

The invention relates to a special nutrient set of fertilizer for cotton, which comprises 15-25 parts of fertilizer for grow seedlings, 25-40 parts of fertilizer for permanent planting and 40-55 parts of dressing fertilizer, wherein the fertilizer for the grow seedlings is composed of grass carbon, calcium superphosphate, zinc sulfate, boric acid and a chelate iron fertilizer; the fertilizer for the permanent planting is composed of a humic acid controlled release nitrogenous fertilizer, a phosphatic fertilizer and a potash fertilizer; and the dressing fertilizer is composed of a nitrogenous fertilizer and a potash fertilizer. The special nutrient set of fertilizer for the cotton in the invention reasonably collocates the fertilizer required by each growth stage, thereby solving blindness of selecting the fertilizers for peasants, preventing spindling of the cotton at the seedling stage, releasing the nutrient slowly and stably and improving utilization ratio of the fertilizer.

The invention discloses a method for producing a compound fertilizer from allantoin wastewater and belongs to the field of a wastewater processing technology. The method comprises the following steps: adjusting pH value of allantoin wastewater to 6.5-7.0 by using ammonia; and reacting by adding iron chelate, polymerized boron, zinc chelate and humic acid. Mass ratio of allantoin wastewater to iron chelate to polymerized boron to zinc chelate to humic acid is 1:0.04-0.05:0.02-0.025:0.015-0.02:0.01-0.015. According to the method provided by the invention, active ingredients in allantoin production wastewater are comprehensively utilized, and multiple nutritional ingredients such as iron, boron, zinc, humic acid and the like which are essential to plants are introduced to synthesize the multifunctional compound fertilizer. By the method, the prominent problem of environmental protection in production of allantoin can be solved, and production costs of allantoin can be reduced. Equipment requirements are low, and the method is simple to operate. The compound fertilizer obtained by the method has good fertilizer efficiency and has a certain effect of increasing yield and preventing disease and pest injury.

The invention relates to a feed additive for improving quality of furs of fur-bearing animals. The feed additive contains the following ingredients in parts by weight: 8 to 12 parts of linoleic acid, 8 to 12 parts of lecithin, 3.2 to 4.2 parts of vitamin complex, 5.8 to 6.2 parts of iron chelate, 4.1 to 4.2 parts of zinc chelate, 0.28 to 0.31 part of organic selenium, 18 to 22 parts of sea algae extracts, 17 to 19 parts of sulfur-containing amino acids, 9 to 11 parts of American yeast, and 17.3 to 17.9 parts of soybean meal. The feed additive has a scientific and reasonable formula and complete and balanced nutrition, is convenient for preparation and production, is excellent in baiting property, can effectively increase feed utilization efficiency and nutrient inversion rate, promotes growth and development of fur-bearing animals, improves quality of fur-bearing animals, improves quality of furs, and is a safe and reliable feed additive for improving quality of furs of fur-bearing animals.

The invention relates to the technical field of agricultural technology plant nutritional water flush fertilizer, and especially relates to a citrus sugar-increasing nutritional agent; the composition comprises the following components in parts by weight: 6-13 parts of potassium fulvate, 1-5 parts of a compound amino acid raw powder, 7-15 parts of potassium dihydrogen phosphate, 1-7 parts of EDTA chelated calcium, 0.5-6 parts of EDTA chelated magnesium, 1-3.5 parts of EDTA chelated iron, 1-3.8 parts of EDTA chelated zinc, 0.5-3.6 parts of EDTA chelated copper, 0.5-3.8 parts of EDTA chelated manganese, 1-7 parts of sodium tetraborate, 0.8-2.8 parts of ammonium molybdate, 0.001-0.09 part of compound sodium nitrophenolate, 0.6-2.1 parts of organosilicon, and 45-70 parts of water; foliar spraying and root irrigation are adopted. The compound water flush fertilizer is simple and convenient in applying method, is a multi-component fertilizer which can be completely dissolved in water, achieves integration of water and fertilizer, and is extremely uniform in fertilization and comprehensive in nutrition; after the product is used, the citrus quality is improved obviously, the peel is thin, the taste is sweet, the mouthfeel is delicate, and the contents of soluble solids and soluble sugar are increased significantly.

The invention relates to a method for preparing casein peptide chelated iron. The method comprises the following specific steps: firstly dissolving the casein into deionized water to prepare casein suspension; then adding protease into the casein suspension to obtain enzymolysis liquid; adding acid into the filtered enzymolysis liquid and regulating the pH value from 2 to 7; heating the deionized water or distilled water, then adding 1 / 3-2 / 3 of enzymolysis liquid into the deionized water or distilled water and adding ferrous sulfate or ferrous chloride; adding the residual standby enzymolysis liquid and adding the ferrous sulfate or ferrous chloride to carry out chelation reaction; and obtaining the casein peptide chelated iron after drying and purifying the reaction liquid. The obtained product has higher purity and total yield and is simple and convenient in technology, low in cost and suitable for scale industrial production.

The invention relates to a novel squid ink melanin chelate iron preparation method and the application of the method in preparing anemia and iron deficiency anemia adjuvant therapy health food, functional food or medicines. The method is characterized by the following steps: melanin is separated from the squid ink firstly; the squid ink melanin is added into a buffer solution containing ferrous ions after vacuum freeze drying; the buffer solution is stirred for 8 to 24 hours under the temperature of 4 DEG C to 25 DEG C with the pH value regulated to 5 to 6; 3000-5000*g centrifugal collection for precipitation is carried out under the room temperature; then the precipitate is repeatedly washed by distilled water, and 3000-5000*g centrifugal collection for precipitation and vacuum freeze drying are conducted. The squid ink melanin chelate iron compound prepared through adopting the method utilizes rich and available raw materials and has extremely high melanin content. The method provided by the invention has the advantages of simple procedures, easiness in control, less equipment investment, no environmental pollution, high product yield, etc., and is suitable for industrialized production.

The invention relates to a preparation method of glycin chelated iron nano liposome dispersion liquid and belongs to the technical field of fortifying food with trace element-iron. In the method, the glycin chelated iron nano liposome dispersion liquid is prepared with a reverse evaporation method. Lecithin and cholesterin are dissolved in absolute ether with defined amount according to the proper proportion; glycin chelated iron is dissolved in citric acid-disodium hydrogen phosphate buffer solution with a certain pH; the two mixtures are mixed and are processed by ultrasonic for forming water-in-oil type emulsion, pressure-reduction evaporation of organic solvent is carried out, and the citric acid-disodium hydrogen phosphate buffer solution with a certain concentration of surface active agents, hydration swelling is carried out, and the glycin chelated iron nano liposome dispersion liquid is obtained by ultrasonic dispersion. The mean grain size of the glycin chelated iron nano liposome dispersion liquid is less than 100nm, and the enveloping rate of the glycin chelated iron can reach 50 percent to 70 percent, and the problems of easy dissociation and low biological availability of the glycin chelated iron in the highly acid environment of gastric juice are overcome.

The invention belongs to the technical field of sulfur recovery and particularly relates to a system and a method for reducing sulfur dioxide emission concentration of a sulfur recovery device and a desulfurization agent. The desulfurization agent comprises aminopolycarboxylic acid chelate iron, an aminopolycarboxylic acid chelating agent, acrylamide and fatty alcohol polyoxyethylene ether-9 and water. The system comprises a complex iron desulfurization device, the sulfur recovery device and a liquid sulfur tank gas stripping device; tail gas generated by degassing of a liquid sulfur tank and the sulfur recovery device is purified in a complex iron desulfurization system, so that various factors causing sulfur dioxide emission of the sulfur recovery device are radically eliminated from the source; the sulfur dioxide concentration of flue gas after incineration is guaranteed to be lower than 50 mg / Nm<3>; thermal reaction and conversion parts of an existing sulfur recovery device are not changed, so that the investment is low and the running cost is low; air is utilized for degassing of the liquid sulfur tank and serves as regeneration air of the complex iron desulfurization system, so that the running cost of liquid sulfur degassing purification is reduced; a comprehensive and complete solution is provided for reducing the sulfur dioxide emission concentration of the sulfur recovery device.

A spray drying method for the water-soluble glycine chelated iron includes such steps as dissolving the water-soluble glycine chelated iron in water, adding malt dextrin, antiblocking agent and composite antioxidant, pressure homogenizing, and spray drying. Its product has high antioxidizing and anti-hydroscopic performance and high water solubility.

A composition comprising heme iron and / or heme iron polypeptide in combination with ionic iron(s) and / or chelated iron(s). Administration of effective dosages of the present composition provides a method for treating and / or preventing iron deficiency anemia, and the physiological, biochemical, morphological, and behavioral manifestations symptomatic of same.

The invention provides a metal (Ca, Fe, Zn) chelating peptide prepared by enzymolysis with compound protein enzyme and flavor proteinase. Whey protein used as the raw material is subjected to enzymolysis by compound protein enzyme and flavor proteinase, and separation and purification are performed to obtain the purified specific metal (Ca, Fe, Zn) chelating peptide of which the amino acid complete sequence is fd. The metal chelating peptide can be used for producing a novel metal replenisher-peptide chelated calcium, peptide chelated iron or peptide chelated zinc. The novel metal replenisher has a unique chelation system and operation mechanism, can be easily absorbed, has the advantages of high safety, no toxicity and low price, can simultaneously replenish amino acids and metal ions, and can become the first choice of the calcium, iron or zinc replenisher. The invention provides a new idea for application of the whey protein.

The invention discloses a selenium-containing trace element fertilizer for small red beans and a cultivation technique of selenium-containing small red beans by adopting the selenium-containing trace element fertilizer. The fertilizer comprises the following raw materials in percentage by mass: 24-26% of borax, 3.5-4% of ammonium molybdate tetrahydrate, 37-38% of chelate iron, 8.5-9% of sodium selenite, and 24-26 % of monopotassium phosphate. During cultivation, the steps of variety selection, land selection, land preparation, planting pattern selection, seed treatment, sowing, fertilizer application, field management, pest control and the like are carried out, and then small red beans can be harvested. The selenium-containing trace element leaf fertilizer for the small red beans has the advantages that the yield of the small red beans is increased, the mouth feel is improved, and the content of the selenium element is increased; inorganic selenium is converted to organic selenium through a bioconversion method, so that selenium content required by a human body can be met, and the immunity enhancement and cancer prevention are achieved; the cultivation technique is safe, and reliable, and large-batch planting production can be realized.

The invention provides a high-iron-chelate fertilizer for saline-alkali soil, which is composed of the following components in parts by mass: 45-50 parts of maleic anhydride, 20-22 parts of citric acid, 1-2 parts of sulfuric acid, 5-7 parts of amino acid salt, 13-15 parts of biochemical fulvic acid, 10-12 parts of humic acid, 2-5 parts of trace fertilizer, 5-6 parts of sodium ion adsorbent, 20-30 parts of potassium dihydrogen phosphate, 4-8 parts of ethylenediamine, 0.1-0.2 parts of lauroyl ethylene glycol amine, 0.1-0.3 part of salicylic acid and 40-50 parts of water. The invention also provides application of the fertilizer in Quercus virginiana planting. The fertilizer lowers the salinity of the soil to 2.1-2.3%, enhances the humus content of the soil by 25-30%, enhances the total nitrogen content of the soil by 21.2-21.6%, and increases the effective phosphorus content in the 0-20cm soil to 37.5-37.8 mg / kg.

The invention belongs to the technical field of plant culture, in particular to the technical field of plant nutrient fluid. The Olympic torch soilless culture nutrient fluid comprises fluid A and fluid B in a volume ratio of 1:0.8-1:1.5, wherein the fluid A is formed by adding 1g of Peters professional 20-20-20 into 1L of water; the Peters professional 20-20-20 comprises the following components in content: 20 percent of total nitrogen, 0.01 percent of chelating copper, 0.02 percent of boron, 0.10 percent of chelating iron, 20 percent of water-soluble phosphoric acid anhydride, 0.056 percent of chelating manganese, 20 percent of water-soluble potassium oxide, 0.01 percent of molybdenum, 0.25 percent of water-soluble magnesia, 0.0162 percent of chelating zinc and the balance of water; and the 20 percent of total nitrogen comprises 8.04 percent of ammonium nitrogen and 11.96 percent of nitrate nitrogen; and the fluid B is formed by diluting 35g of KH2PO4, 42g of K2SO4, 25g of MgSO4 and20g of KNO3 with 180L of water.

The invention provides a sustained-release microcapsule-coated composite vitamin pre-mixed feed which has good stability and has sustained-release and bacterial inhibiting and sterilizing effects. 1 kg of the pre-mixed feed includes the following components, 20-100 g of microcapsule-coated composite vitamin, 20-50 g of amino acid chelated iron, 5-18 g of amino acid chelated copper, 20-45 g of amino acid chelated zinc, 4-5 g of manganese sulfate monohydrate, 0.10-0.11 g of 1% potassium iodate, 0.59-0.68 g of cobalt chloride, 0.05-0.14 g of 1% sodium selenite, 20-30 g of arginine, 5.9-6.4 g of threonine, 1.8-6.5 g of an enzyme preparation, 18-70 g of an acidification agent, 1.1-3.0 g of an anti-oxidizing agent, 8-50 g of a flavoring agent, 7.5-9.0 g of medicine additives, 78-95 g of 50% choline chloride and the balanced being a carrier which includes nano chelated attapulgite, and at least one of corn protein powder, stone powder, zeolite powder, medical stone or montmorillonite.

The invention provides health-care food for beautifying and brightening hair of a dog, belonging to the field of animal health-care products. The health-care food formula comprises the following components by weight based on 1kg: 10-30g of deep sea fish oil, 10-30g of linseed oil, 5-20g of poppyseed oil, 10-30g of perilla oil, 10-30g of grape seed oil, 10-30g of lecithin, 5-20g of chelate iron, 1-10g of chelate manganese, 5-20g of chelate zinc, 1-5g of chelate copper, 0.05-0.2g of yeast selenium, 150-250g of methionine, 50-150g of lysine, 1-4g of vitamin E, 0.05-0.2g of vitamin D, 0.5-2g of vitamin A, 0.05-0.2g of vitamin B1, 0.1-0.4g of vitamin B2, 0.05-0.2g of vitamin B6, 0.05-0.4g of vitamin B12, 0.05-0.2g of biotin, 0.1-0.4g of nicotinic acid, 1-5g of bacillus, 1-5g of yeast, 120-180gof chicken liver powder, 50-80g of Rosmarinus officinalis and the balance of yeast powder. The components are made into a tablet with the specification of 0.7-0.9g according to a regular tabletting process, and the water content is less than 10%. The health-care food provided by the invention has the advantages of high titer and strong stability and is capable of improving the fur health of the dog, protecting hair follicles and hair shafts against damage, enabling the hair to be smooth and soft, reducing hair slip, promoting regeneration of furs, improving immunity comprehensively and ensuring the dog in a healthy and vital state.

The invention discloses an iron supplementing and blood nourishing chocolate. The iron supplementing and blood nourishing chocolate is prepared from coco mass, cocoa butter, skim milk powder, pork livers, spinach, black fungi, lotus roots, red dates, longan pulp, pelvetia silquosa, undaria pinnatifida, traditional Chinese medicine, xylooligosaccharide, Chinese yam polysaccharide, a lactobacillus delbrueckii bacterium agent, edible salt, a compound enzyme, compound amino acid chelate iron and Centrum. According to the chocolate, the iron supplementing and blood nourishing food materials, the traditional Chinese medicine and the nutritional agent are added, the nutrition is rich, Centrum promotes absorption and utilization of iron, the functions are mutually promoted and coordinated, the immunity can be enhanced, cardiovascular and cerebrovascular diseases can be prevented, and the effects of resisting oxidation, resisting ageing, calming the heart, soothing the nerves, supplementing iron, nourishing the blood, replenishing the blood and keeping beauty are achieved; the chocolate sequentially comprises a chocolate thick layer, a skim milk powder layer, a chocolate thin layer and a sandwich layer from outside to inside, the mouthfeel is variable and diverse, the fragrance is harmonious, a sandwich is porous, crisp, sour and sweet and palatable, and different taste sensations are brought; the different package model can catch the eyes of consumers; natural iron supplementing and blood nourishing are achieved, no additive is contained, and safety and healthiness are achieved.

The invention provides a metal (Ca, Fe, Zn) chelating peptide prepared by enzymolysis with compound protein enzyme and flavor proteinase. Whey protein used as the raw material is subjected to enzymolysis by compound protein enzyme and flavor proteinase, and separation and purification are performed to obtain the purified specific metal (Ca, Fe, Zn) chelating peptide of which the amino acid complete sequence is gy. The metal chelating peptide can be used for producing a novel metal replenisher-peptide chelated calcium, peptide chelated iron or peptide chelated zinc. The novel metal replenisher has a unique chelation system and operation mechanism, can be easily absorbed, has the advantages of high safety, no toxicity and low price, can simultaneously replenish amino acids and metal ions, and can become the first choice of the calcium, iron or zinc replenisher. The invention provides a new idea for application of the whey protein.

The invention provides a high-nitrogen long-acting slow-release fertilizer for saline-alkali soil, which is composed of the following components in parts by mass: 33-40 parts of maleic anhydride, 10-15 parts of citric acid, 15-22 parts of phosphorus nitrate, 10-12 parts of biochemical fulvic acid, 7-9 parts of humic acid, 1-2 parts of iron chelate, 1-3 parts of chelated zinc, 15-19 parts of ammonium sulfate, 10-15 parts of urea phosphate, 2-4 parts of urease inhibitor, 1-2 parts of zinc chloride and 1.0-1.5 parts of chitosan. The invention also provides a preparation method of the slow-release fertilizer and application of the slow-release fertilizer in Hibiscus syriacus planting. The slow-release fertilizer lowers the alkalinity of the soil to 2.1-2.4%, lowers the pH value of the soil to 7.5-7.8, enhances the water content of the soil to 24-26%, and enhances the phosphate fertilizer utilization ratio in the soil by 11-15%. The fertilizer efficiency of the slow-release fertilizer is prolonged by more than 30 days. The transplanting survival percent of Hibiscus syriacus is 95.4-96.7%.

The invention relates to the technical field of chemical synthesis, and particularly discloses a preparation method of EDDHA chelated ferric salt. The preparation method of the EDDHA chelated ferric salt comprises the following process steps of: a, heating phenol to 40-70 DEG C, adding ethylenediamine and glyoxylic acid, and uniformly mixing to obtain an initial mixed material; b, adding glyoxylic acid and an alkaline aqueous solution into the initial mixed material to obtain a reaction raw material mixture; c, heating the reaction raw material mixture to 60-90 DEG C for reaction, and extracting a reaction product by using an extracting solvent to obtain an EDDHA salt solution; d, carrying out chelation reaction on the EDDHA salt solution and inorganic ferric salt to obtain an EDDHA chelated ferric salt solution; and e, carrying out concentration, centrifugal separation and drying treatment on the EDDHA chelated ferric salt solution to obtain the EDDHA chelated ferric salt. According to the preparation method of the EDDHA chelated ferric salt, provided by the invention, the EDDHA chelated ferric salt with high purity and high quality can be obtained.