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101 results about "Calcium Phytate" patented technology

Calcium phytate used as a sequestrant is generally recognized as safe when used in accordance with good manufacturing or feeding practice. 21 CFR 582.6219 (4/1/99) from HSDB

Composite fertilizer for cucumber and application method of composite fertilizer

InactiveCN104628442ADecomposition, hydrolysis of macromolecules is beneficial toPromote hydrolysisFertilising methodsFertilizer mixturesPhosphateCalcium
The invention discloses a composite fertilizer for cucumber. The composite fertilizer comprises the following raw materials in parts by weight: 25-30 parts of early seed manure, 30-40 parts of a medium-term flower fertilizer and 20-25 parts of later topdressing, wherein the early seed manure comprises the following raw materials in parts by weight: 30-45 parts of organic leavening, 15-18 parts of calcium superphosphate, 8-12 parts of a potash magnesium sulphate fertilizer, 2-5 parts of calcium humate, 1-3 parts of magnesium humate, 2.5-3.2 parts of sodium humate, 2-4 parts of zinc sulfate, 1-3 parts of manganese sulfate, 4-6 parts of chelated iron and 2-5 parts of boron humate; and the medium-term flower fertilizer comprises the following raw materials in parts by weight: 30-40 parts of polypeptide urea, 35-45 parts of urea-ammonium chloride, 30-35 parts of monopotassium phosphate, 20-30 parts of cassava residue, 25-28 parts of soybean cake, 15-30 parts of cottonseed cake, 8-13 parts of animal bone meal, 5-8 parts of ground phosphate rock, 5-10 parts of potassium mineral, 8-12 parts of lignite, 5-8 parts of bentonite, 9-13 parts of kaolin and 10-15 parts of montmorillonite. The invention further discloses an application method of the composite fertilizer for cucumber.
Owner:TIANCHANG HIGH TECH ENTREPRENEURSHIP SERVICE CENT

Heat-resisting phytase Pichia pastoris engineering bacterial strain and production method of heat-resisting phytase

The invention provides the construction of a Pichia pastoris engineering bacterial strain GS115 / appA NR for producing heat-resisting recombinant phytase and a method for producing the heat-resisting phytase by using the bacterial strain. A heat-resisting phytase gene is synthesized by adopting the two-step PCR method and a recombinant plasmid is constructed to be transferred into the Pichia pastoris bacterial strain GS115 through electric shock. The invention comprises the following steps of: (1) cloning the heat-resisting phytase gene synthesized by the two-step PCR method into a Pichia pastoris secretive expression vector to obtain a Pichia pastoris recombinant expression plasmid; (2) transferring the ombinant expression plasmid to the Pichia pastoris host GS115 through electric shock, screening by using an MD flat board and a substrate flat board containing calcium phytate, and then screening out a bacterial strain with largest hydrolysis circle; and (3) choosing positive clone and inducing to express by using 0.5% methanol. The heat stability of the recombinant heat-resisting phytase expressed by the Pichia pastoris engineering bacterial strain GS115 / appA NR is much higher than that of E.coli K12 wild type phytase through measurements, and specifically, 92% of enzymatic activity can still be maintained after a water bath at 95 DEG C for 10 min. The fermentation crude enzymatic activity of the recombinant phytase produced by fermenting the Pichia pastoris engineering bacterial strain can reach 978 U / mL.
Owner:HUBEI UNIV

Production method for preparing high-purity calcium phytate by utilizing membrane technology

The invention relates to a production method for preparing high-purity calcium phytate by utilizing a membrane technology. The production method comprises the following concrete operating steps of: (1) smashing degreased rice bran and carrying out acid leaching; (2) filtering by utilizing a frame plate to obtain merged filtrate; (3) carrying out ultrafitration, and collecting membrane transmission fluid and trapped fluid; (4) adding saturated lime water and a sodium hydroxide solution for neutralization, and collecting two precipitated fluids; (5) carrying out microfiltration, and collecting the trapped fluid to obtain two liquid calcium phytates; and (6) drying to obtain two solid calcium phytates, wherein purity of solid calcium phytate obtained by the membrane transmission fluid is more than 82%, the purity of solid calcium phytate obtained by the trapped fluid is more than 69%, and yield calculated by degreased rice bran raw material is 12.5%. According to the production method, the traditional calcium phytate extraction process is combined with the membrane separation technology, and the characteristics of no phase change, low energy consumption, no damage on biological activity and easy operation of a membrane are utilized, so that the purity of the product is improved, a decolorization link in the original process is removed, production energy consumption is reduced, operation is easy, and industrialized production can be facilitated.
Owner:HEFEI UNIV OF TECH +1

Extraction method of phytic acid in rice bran

The invention relates to a method for extracting the phytic acid from rice bran, in particular to an extraction method for utilizing the microwave treatment technology to obtain the phytic acid from the rice bran. The method of the invention comprises the steps that: the samples are treated using the microwave with a power ranging from 500W to 1200W after the rice bran is broken and is extracted using the hydrogen chloride solution; then the pH of the obtained solution is adjusted to range from 1.0 to 3.0 using the sodium hydroxide solution and then the processed solution is driven to rest in a static state and is stirred for 0.5 to 1 hour; the beige suspension liquid is obtained through filtration and the pH of the filtrate is first adjusted to 4.0 using the 10 per cent calcium hydroxide emulsion and then the pH of the processed solution is adjusted to exceed 7.0 using the sodium hydroxide solution with a concentration of 1mol/L instead of 10 per cent calcium hydroxide emulsion so as to obtian the beige turbid liquid in which the white precipitates are contained; the beige turbid liquid is stirred uniformly before the turbid liquid rests for 1 to 2 hours so as to completely precipitate the turbid liquid; after the turbid liquid is filtered, the intermediates, calcium phytate pulps ranging from grey to drab in color, are obtained; the intermediates are converted into the existence in the form of ions through dissolution and then the phytic acids, which are the final products, are prepared through ion exchange, decoloration and concentration. Compared with the prior art, the invention has the advantages of high extraction rate, short time, high product quality, excellent color, simple and convenient operation, suitability for the industrialized production, etc.
Owner:SHANGHAI INST OF TECH

Phosphorus-dissolving pseudomonas putida L13 and fermentation process thereof

The invention belongs to the technical field of agricultural microbiology, and particularly relates to the separation screening and fermentation cultivation of phosphorus-dissolving pseudomonas putida L13. A phosphorus-dissolving pseudomonas putida L13 strain with the capacity of dissolving phosphorus is obtained through separation, and the preservation No. is CCTCC No.2010342. The fermentation process comprises the following steps of: (1) taking L13 bacterial strain slope seeds for streak cultivation on an LB (lysogeny broth) culture medium flat plate to obtain first-level seeds; (2) inoculating a first-level seed single bacterial colony into an LB culture medium shake flask to make OD (optical density) 600 be 2.0 to obtain second-level seeds; (3) inoculating the second-level seeds into a shake flask for fermentation cultivation to obtain the pseudomonas putida; or inoculating the second-level seeds into a fermentation tank so as to obtain the pseudomonas putida through optimized cultivation. The pseudomonas putida strain disclosed by the invention grows rapidly, the yield of the pseudomonas putida is high, and the viable count can reach more than 10 billions. The phosphorus-dissolving amount of the phosphorus-dissolving pseudomonas putida in a PKO (Pikovskaya') culture medium in which 1-3g/L of calcium phytate is the unique phosphorus source can reach 120-220mg/L, and the phosphorus-dissolving amount of the phosphorus-dissolving pseudomonas putida in a PKO culture medium in which 4-6g/L of tricalcium phosphate is the unique phosphorus source can reach 300-500mg/L.
Owner:TOBACCO RES INST OF HUBEI PROVINCE +2

Process method for preparing calcium phytate and calcium lactate by using corn soaking water

The invention relates to the technical field of corn soaking water treatment, in particular to a process method for preparing calcium phytate and calcium lactate by using corn soaking water, which comprises the following steps: (1) settling the corn soaking water to obtain supernate, enabling the supernate to enter an anion resin column, collecting first effluent, enabling the first effluent to enter the anion resin column by using hydrochloric acid as a desorption agent, and collecting a desorption solution; (2) after the first effluent in the step (1) is filtered by a nanofiltration membrane, respectively collecting trapped fluid and permeate; (3) enabling the permeate collected in the step (2) to enter a weakly alkaline anion resin column, collecting a second effluent, enabling a calcium chloride solution as a desorption agent to enter the weakly alkaline anion resin column, and collecting a desorption solution; and (4) drying the trapped fluid in the step (2), and concentrating the second effluent collected in the step (3). According to the process method, the corn soaking water is effectively treated, the calcium phytate and the calcium lactate are obtained, and the discharge of wastewater is greatly reduced.
Owner:ZHUCHENG HAOTIAN PHARMA

Application technology for humic acid derivatives used as asphalt composition

ActiveCN105985654ALow costAlleviate the shortage of market supplyOrganic chemistryBuilding insulationsCalcium hydroxideRoad surface
The invention relates to a formula and a mixing technology for natural humic acid and derivatives of the natural humic acid used as modifying components of pavement asphalt. The formula and the mixing technology comprise a technology and equipment for complete mixing of humic acid powder or calcium humate generated by a preliminary reaction of humic acid with calcium hydroxide, and asphalt. According to different varieties and application requirements of the asphalt, different formulas can be adopted. The asphalt of the asphalt composition series has the following advantages: the softening point reaches the standard; low-temperature performance is well improved; and standards and practical technologies of relevant modified asphalt are met. The invention provides a high-value-added utilization method for the asphalt used as a pavement binding material. High-value-added utilization of humic acid and cost reduction of modified asphalt have important values on alleviating of the lack of market supply of the asphalt and improvement of high-temperature and low-temperature performances of the asphalt. The technology provided by the invention is a complete set of practical techniques for recycling and high-value-added utilization of solid wastes. The technology provided by the invention has the advantages of widely-available raw materials, simple preparation process, and good economic, social and environmental benefits.
Owner:XIAMEN UNIV

Method for extracting calcium-magnesium phytate from corn soaked liquid

The method discloses a method for extracting calcium-magnesium phytate from corn soaked liquid and belongs to the technical field of starch processing. The method includes the following steps that firstly, ion exchange resin is used for adsorbing organic phosphorus in the corn soaked liquid; secondly, after ion exchange resin adsorption is saturate, the organic phosphorus on the ion exchange resin is washed and removed through a hydrochloric acid solution, and a solution containing phosphorus is obtained; thirdly, a calcium hydroxide solution is added in the solution containing phosphorus so that a neutralization reaction can be performed, and finished product liquid is obtained; fourthly, the finished product liquid is filtered and dried so that calcium phytate finished products can be obtained. Compared with the prior art, the method has the advantages that due to the fact that the organic phosphorus in the corn soaked liquid is adsorbed through the ion exchange resin, the problems that because clear limewater is directly added for a neutralization reaction in a traditional method, a large number of calcium ions exist in a solution, and an evaporator scales and cannot be used are solved, meanwhile, only the organic phosphorus in the corn soaked liquid is reduced after the corn soaked liquid passes the ion exchange resin, no other nutrient component are lost, and the method can also be used for preparing medicine, fermentation and fodder.
Owner:SHANDONG DAZONG BIOLOGICAL DEV

Corn soaking water resource treatment method

The invention relates to the technical field of corn deep processing, particularly to a corn soaking water resource treatment method, which comprises: taking corn soaking water as a raw material; separating out solid insoluble substances and small-particle substances, and filtering and separating out solid substances by a filter press; carrying out anion-cation resin exchange extraction to obtainphytic acid, and further producing calcium phytate; feeding the corn soaking water subjected to resin exchange treatment enter a microfiltration-ultrafiltration-nanofiltration membrane separation system, extracting the concentrated water, and concentrating and drying the soluble proteins in the soaking water to prepare protein powder; and concentrating the clear water subjected to nanofiltration treatment by using a high-pressure reverse osmosis membrane, feeding the concentrated water into a neutralizing tank, adding quick lime, carrying out stirring neutralizing, carrying out filter pressingdehydration, and drying into powder or blocks to obtain the calcium lactate compound. According to the scheme, the raw material source is the remaining soaking wastewater of the corn deep processingproject, so that the raw material cost is low, only the extraction and production operation cost is needed, the industrialization is achieved, the waste is turned into wealth, and the dual benefits ofresource utilization and environmental protection are achieved.
Owner:青岛西海岸第六纪生态农业发展有限公司

High-temperature-resistant metal cutting tool and preparation method thereof

InactiveCN104264027AGood high temperature hardnessPerformance unchangedTurning toolsBenzoic acidSulfite salt
The invention discloses a high-temperature-resistant metal cutting tool and a preparation method thereof. The high-temperature-resistant metal cutting tool comprises the following raw materials in parts by weight: 10-20 parts of a copper-aluminum alloy, 10-30 parts of an iron-titanium alloy, 20-60 parts of styrene, 30-40 parts of methyl benzoic acid, 10-20 parts of sulfite, 2-10 parts of dimyristyl alcohol ester, 30-40 parts of epoxidized soybean oil, 35-45 parts of methoxy polyethylene glycol, 20-30 parts of sodium oleate, 30-80 parts of calcium phytate and 25-35 parts of water glass. The preparation method comprises the following steps: (1) melting the copper-aluminum alloy and the iron-titanium alloy, and cooling for later use; (2) uniformly mixing styrene, methyl benzoic acid, sulfite, sodium oleate, calcium phytate, dimyristyl alcohol ester, epoxidized soybean oil and methoxy polyethylene glycol at 50-60 DEG C, then adding the water glass, and uniformly mixing; and (3) pouring a solution obtained in the step (2) into the step (1), cooling, and then pouring into a cutting tool mold. According to the high-temperature-resistant metal cutting tool disclosed by the invention, the tolerable temperature is 360-380 DEG C, and the hardness is 31-34HRC, so that the high-temperature-resistant metal cutting tool has very good high-temperature hardness and can remain performance at a high temperature.
Owner:JIANGSU KANG BAISI MECHANICAL TECH

Compound fertilizer special for high-activity multi-element wheat and preparation method thereof

The invention provides a compound fertilizer special for high-activity multi-element wheat and a preparation method thereof. The compound fertilizer is prepared from, by weight, 7-18 parts of humic acid, 20-30 parts of urea, 32-45 parts of monoammonium phosphate, 14-25 parts of potassium chloride, 0.5-3 parts of manganous sulfate, 0.5-3 parts of copper sulfate, 0.5-3 parts of borax, 2-9 parts of sea-foam stone powder, 2-6 parts of a hydrochloric acid solution and 4-12 parts of water. According to the compound fertilizer, humic acid activating treatment is finished through hydrochloric acid, and indissoluble humid acid calcium and magnesium salt are made to be dissoluble calcium and magnesium salt so that crop can absorb and utilize the compound fertilizer better. The product nutrient ratio can meet the fertilizer needing character of the wheat, rich medium trace elements and organic matter are more suitable for wheat growing demands, and the compound fertilizer has the advantages of promoting effect enhancing of the fertilizer, improving, activating and remediating soil, increasing the crop yield and improving the crop quality.
Owner:天津芦阳肥业股份有限公司
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