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66 results about "Calcium malate" patented technology

Calcium malate is a compound with formula Ca(C₂H₄O(COO)₂). It is the calcium salt of malic acid. As a food additive, it has the E number E352. It is related to, but different from, calcium citrate malate.

Preparation method of calcium-rich Chinese dwarf cherry clear juice

The invention discloses a preparation method of calcium-rich Chinese dwarf cherry clear juice. The preparation method comprises the following steps: selecting mature Chinese dwarf cherries, cleaning, automatic coring, immediate and quick freezing and storing the mature Chinese dwarf cherries in an environment of -20 DEG C, naturally unfreezing, squeezing the mature Chinese dwarf cherries to obtain a Chinese dwarf cherry puree; adding pectinase into the puree to enzymatically decompose the puree, so as to obtain a Chinese dwarf cherry raw juice; adding chitosan and xanthan gum into the raw juice to perform chemical precipitation, filtering the raw juice through a membrane, so as to obtain a Chinese dwarf cherry clear juice; adding calcium carbonate into the clear juice to fully react with organic acid in the juice and form calcium malate, calcium citrate or calcium citric acid-malic acid chelate, allowing the juice to be at the still state after the reaction ends, obtaining supernatant to obtain a clear type calcium-rich Chinese dwarf cherry raw juice; adding sugar into the raw juice and blending, so as to allow the raw juice to be at a proper sugar-acid ratio; and finally sterilizing and filling, so as to obtain the calcium-rich Chinese dwarf cherry clear juice. The Chinese dwarf cherries with high concentration of titratable acid are processed by the method, so as to maintain the inherent flavor of Chinese dwarf cherries to the maximum limit, the calcium content in the products reaches 55-60mg / 100ml and compared with the prior art, the calcium content is increased by more than 4 times, the consumption of the sugar is reduced by more than 30%, the processing cost is reduced, and the preparation method is in line with the mainstream of low sugar food processing.
Owner:SHANXI AGRI UNIV

Method for comprehensively utilizing procambarus clarkia by-products

The invention relates to a method for comprehensively utilizing procambarus clarkia by-products, which comprises the following steps of: preparing heads and shells of procambarus clarkias into shrimp powder at first; leaching and extracting the shrimp powder by using mixed acid prepared from citric acid solution and malic acid solution and distilled water; carrying out auxiliary extraction of leach liquor through ultrasonic wave, and drying filtered filtrate in vacuum to obtain citric acid-calcium malate; washing leached residues by using water to be neutral, and drying; carrying out enzymolysis of the leached residues by using compound protease prepared by mixing papain and flavourzyme and distilled water, deactivating enzyme after carrying out enzymolysis, centrifuging to obtain supernate and precipitate, and concentrating, freezing and drying supernate to obtain protein powder; and extracting and filtering the precipitate by using extractant prepared by mixing pure ethyl acetate and absolute ethyl alcohol, and concentrating, freezing and drying filtrate in vacuum to obtain astaxanthin powder. According to the invention, calcium, protein and astaxanthin in procambarus clarkia by-products are extracted step by step; the environmental pollution problem of shrimp enterprises is well solved; and resource saving is realized to the most extent.
Owner:HUNAN AGRICULTURAL UNIV

Calcium malate prepared by adopting abalone shell as raw material and preparation method of calcium malate

The invention discloses calcium malate prepared by adopting abalone shell as a raw material and a preparation method of the calcium malate. The abalone shell is taken as the raw material, calcium ions and algal pigment are dissolved out by adopting an acid solution, impurities are removed by carrying out solid-liquid separation, calcium ion complex-precipitation is carried out on filtrate by virtue of a substance containing malic acid radical, and then drying is carried out for obtaining calcium malate. The calcium malate production is soluble in acid, insoluble in alchol, slightly soluble in alkali and slightly soluble in water, purity of the calcium malate is more than or equal to 95.1%, calcium ion content is more than or equal to 16.2%, malic acid radical content is more than or equal to 60.1%, and pigment colour value E4961%1cm is less than and equal to 2.18.The preparation method of the calcium malate has the advantages that the calcium ions and the algal pigment can be efficiently dissolved out under the conditions of room temperature, low acid concentration and short time, impurities such as proteins, polysaccharides and the algal pigment can be efficiently removed by virtue of simple steps such as solid-liquid separation and complex-precipitation, purity, yield and quality of the calcium malate can be obviously improved; conception is novel, raw materials are rich, efficiency is high, cost is low, technology is simple, environmental friendliness is realized, implementation is convenient, generalization performance is high, and a new approach is found for high-valued utilization of abalone shell and malic acid resources.
Owner:FUZHOU UNIV

Shell-derived complex calcium malate product and preparation method thereof

The invention provides a shell-derived complex calcium malate product and a preparation method thereof, relates to green chemical preparation of the marine biological materials and natural calcium nutrient supplements and belongs to the field of the high-valued utilization and cyclic utilization of the shell resources and the malic acid resources. The preparation method comprises the steps of converting water-insoluble calcium salts in shells serving as raw material into water solution ionized calcium by use of an acid solution, carrying out solid-liquid separation to remove impurities, controlling the pH value and the temperature of the filtrate as well as the concentrations and the weight ratio of the malate and the calcium ions, and complexing and precipitating the calcium ions, and finally processing the complex calcium malate. The purity of the complex calcium malate product is greater than or equal to 93%, wherein the content of the calcium ions is greater than or equal to 17% and the content of malate radical is greater than or equal to 64%; the complex calcium malate product is sparingly soluble to weak acids and weak bases, slightly soluble in water and insoluble to alcohol. The preparation method is capable of remarkably improving the purity, yield and quality of the complex calcium malate, novel in design, rich in raw materials, low in cost, simple in process, environment-friendly and convenient to implement, can be widely popularized, and can open up a new way for the high-valued utilization and cyclic utilization of the shell and malic acid resources.
Owner:FUZHOU UNIV

Aluminum-based composite heat radiation material for large-power LED lamp

The invention relates to a lamp heat radiation material and particularly relates to an aluminum-based composite heat radiation material for a large-power LED lamp and a production method of the aluminum-based composite heat radiation material. The heat radiation material is prepared from the following raw materials in parts by weight: 80-83 parts of aluminum, 8-10 parts of iron, 15-18 parts of zinc, 12-15 parts of aluminum nitride, 1-3 parts of carbon black, 5-6 parts of titanium carbide micro-powder, 2-4 parts of nano graphite, 1-3 parts of sodium sulfate, 0.5-1 part of citric acid, 4-5 parts of magnesium silicate, 10-12 parts of sodium aluminum silicate, 1-2 parts of calcium malate and 4-5 parts of an addition agent. The heat radiation material combines the advantages of components with high heat conduction rate, such as aluminum, iron, zinc, aluminum nitride and the like, and substances including the carbon black, titanium carbide and the like, so that the heat conduction property and the insulation property of the composite material are improved; meanwhile, the compatibility of different materials is improved; the carbon black and the titanium carbide micro-powder are immersed and treated with a citric acid solution so that the loosening density of the powder is improved, a blank is easy to mold and the structure is dense; and the aluminum-based composite heat radiation material has high heat conductivity coefficient and good heat radiation capability and is suitable for packaging the large-power LED lamp.
Owner:RUIHUA HEFEI ELECTRONICS TECH

Eggshell calcium malate chewable tablets and preparation method thereof

The invention discloses eggshell calcium malate chewable tablets and a preparation method thereof, belongs to the technical field of functional foods and particularly relates to a method for preparing eggshell calcium malate by utilizing a high-voltage pulsed electric field, and the eggshell calcium malate chewable tablets capable of supplementing calcium required by a human body and a manufacturing method thereof. The method for preparing the calcium malate by utilizing eggshells comprises the following steps: naturally air-drying the eggshells, then crushing, sieving, adding acid, adding water and then performing treatment by the high-voltage pulsed electric field, and the chewable tablets comprise eggshell calcium malate powder, dextrin, starch, xylitol, malic acid, citric acid, magnesium stearate, sodium isoascorbiate and fresh milk essence. The preparation method comprise the following steps: taking the eggshell calcium malate powder as a main functional ingredient, taking the starch, the dextrin, the xylitol, the citric acid, the malic acid, the sodium isoascorbiate, the magnesium stearate and the fresh milk essence as auxiliary materials, performing pretreatment, mixing the materials, granulating, drying, stabilizing the size and tabletting for preparing products. The eggshells are taken as the main raw materials, the high-voltage pulsed electric field is used for treatment and optimization, then the yield of calcium ions in the calcium malate can be as high as 98.34%, the treatment time is short (50 mu s), and the treatment can be performed continuously, thereby being more conductive to industrial production. The eggshell calcium malate chewable tablets have the characteristics and the advantages of delicate mouthfeel, sweet, sour and delicious taste, convenience in taking, high calcium content, significant calcium supplementation effect, difficulty in moisture absorption, simpleness in storage method, long shelf life and the like.
Owner:JILIN UNIV

Preparation method of lemon calcium malate tablet

The invention discloses a preparation method of a lemon calcium malate tablet. The lemon calcium malate tablet is prepared from, by weight, 80 parts of calcium citrate, 6 parts of polydextrose, 5 parts of malic acid, 6 parts of sodium carboxymethyl starch, 2 parts of povidone K30, 0.6 part of magnesium stearate and 0.4 part of carmine. The method comprises the following steps of S1, raw material treatment, wherein the calcium citrate, the DL-malic acid, the polydextrose and the sodium carboxymethyl starch are separately screened by a 80-mesh sieve, then the mixture is placed into a clean vessel for weighing, and the weight is recorded; S2, pulping, wherein 10% povidone K30 pulp is prepared; S3, granulating; S4, drying and granulating; S5, mixing. According to the method, through the arrangement of the calcium citrate, the polydextrose, the malic acid, the sodium carboxymethyl starch, the povidone K30, the magnesium stearate, the carmine and other raw and auxiliary materials, the nutritional supplement effect of medicine on the human body is improved; meanwhile, the quality of finished calcium tablet products is improved through the improvement of a manufacturing process, so that the absorption effect of the nutrient components in the calcium tablet by the human body is improved.
Owner:河南爱心堂生物科技有限公司

Method for separating out and extracting high-purity malic acid

The invention relates to a method for separating out and extracting high-purity malic acid. The method includes the following steps of firstly, separating solid and liquid and collecting the solid by using calcium-malate-containing fermentation broth obtained by producing malic acid through a fermentation method or an enzymatic conversion method as the raw material; secondly, mixing the obtained solid with water, conducting acidolysis to convert the calcium malate into calcium hydrogen malate, conducting filtering, collecting filtrate, crystallizing the calcium hydrogen malate contained in the filtrate, and collecting crystals; thridly, mixing the obtained crystals with water, conducting acidolysis to convert the whole calcium hydrogen malate into malic acid, separating solid and liquid, collecting malic acid acidolysis liquid, and conducting further processing to obtain the malic acid with the purity of 99.0% or above. According to the method, by converting calcium-malate-containing pulp into calcium hydrogen malate and then conducting crystallizing, the concentration of the malic acid acidolysis liquid can be improved, the pigment of the acidolysis liquid is reduced, the concentrating cost and decoloring difficult of the subsequent process are reduced, and the finally-obtained malic acid product is high in purity and quality.
Owner:ANHUI BBCA FERMENTATION TECH ENG RES

Livestock-and-poultry-breeding wastewater treatment agent and application method thereof

The invention provides a livestock-and-poultry-breeding wastewater treatment agent and an application method thereof, and belongs to the technical field of livestock and poultry breeding. The livestock-and-poultry-breeding wastewater treatment agent comprises bacteria-algae balls, pyruvic acid and beta-glucan, wherein microalgae and edible fungus mycelium are inoculated to a BG-11 culture medium which contains a yeast extract, starch and calcium malate, and co-culture is performed for 5-10 days so as to prepare the bacteria-algae balls. When the livestock-and-poultry-breeding wastewater treatment agent is applied to treatment of livestock-poultry breeding wastewater, at least one of the following effects can be achieved that expression of chlorophyll genes in algae cells can be enhanced, the enzyme activity of SOD and/or CAT and/or POD of microalgae can be improved, the tolerance of microalgae to antibiotics is improved, antibiotics, TN, TP, NH<4><+>-N and COD in the livestock-poultrybreeding wastewater can be removed through the symbiotic metabolism of bacteria and algae, and accumulation of oil and starch in microalgae is enhanced; and the application method of the livestock-and-poultry breeding wastewater treatment agent comprises the step of putting the wastewater treatment agent into the livestock-poultry breeding wastewater.
Owner:ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES

Oral care composition

An oral care composition is disclosed comprising from 0.01 to 50% by weight of a calcium source, a water soluble phosphate source, a water soluble silicate source and from 0.01 5 to 10% by weight of an amino acid or its physiologically acceptable salt or a mixture thereof, wherein the calcium source is calcium hydroxide, calcium oxide, calcium glycerophosphate, calcium lactate, calcium sulfate, calcium salts of citric acid, calcium chloride, calcium nitrate, calcium acetate, calcium gluconate, calcium formate, calcium malate, calcium propionate, calcium butyrate, calcium bicarbonate, monocalcium phosphate anhydrous, dicalcium phosphate anhydrous, tricalcium phosphate, octacalcium phosphate, calcium silicate, calcium carboxymethyl cellulose, calcium alginate, calcium carbonate or mixtures thereof; wherein the phosphate source is trisodium phosphate, monosodium dihydrogen phosphate, disodium hydrogen phosphate, ammonium phosphate, diammonium hydrogen phosphate, ammonium dihydrogen phosphate, tripotassium phosphate, monopotassium dihydrogen phosphate, dipotassium hydrogen phosphate or a mixture thereof; wherein the silicate source is sodium silicate, potassium silicate, tetraethylorthosilicate, tetraethylsilicate or mixtures thereof; and wherein the amino acid is selected from acidic amino acid, neutral amino acid or a mixture thereof.
Owner:UNILEVER IP HLDG BV
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