98 results about "Calcium content" patented technology

The invention discloses high-performance modified calcium carbonate and application thereof in a breathable film. The modified calcium carbonate is prepared by combining a three-element composite modification system composed of stearic acid, titanate and a silane coupling agent with a disc-nest mill three-stage gradient grinding process and antibacterial-hydrophobic dual-functionalization treatment of silver-loaded hydroxyapatite and a fluorinated modifier. The indexes of the prepared modified calcium carbonate are as follows: the median particle size (D50) is 1.8-2.2 mu m, the particle size (D97) of 97% particles is less than 6.5 mu m, the particles with the particle size of 1-5 mu m account for more than 60%, and the particles with the particle size of more than 10 mu m are less than 100 ppm; the content of calcium carbonate exceeds 97%, and the content of harmful impurities such as Fe is less than 200ppm; the whiteness is higher than 95; the oil absorption value is less than 12.5%, and the water content is less than 0.18%. When the composite material is applied to the breathable film in the medical field, the mechanical property, the antibacterial property and the hydrophobic property of the breathable film can be remarkably improved, the special requirements of the medical field on the breathable film are effectively met, and the composite material has good application prospects and industrial value.

The invention aims to provide a morchella esculenta breeding method, an obtained morchella esculenta strain and application, the morchella esculenta is named as Morchella sextella NYD1, the taxonomic name of the morchella esculenta is Morchella sextella NYD1, the morchella esculenta is preserved in Guangdong Microbial Culture Collection Center, the preservation number of the morchella esculenta is GDMCC No: 66082, and the preservation date of the morchella esculenta is April 21, 2025. The morchella strain is further utilized as a mother strain to carry out domestication and cultivation, the morchella with the fruiting yield up to 400 kg / mu or above, excellent agronomic characters and rich nutritional ingredients such as crude protein, total sugar, iron, zinc and calcium is finally obtained, the content of the crude protein is not lower than 23 g / 100 g, the content of the total sugar is not lower than 55 g / 100 g, the content of the iron is not lower than 240 mg / kg, the content of the zinc is not lower than 70 mg / kg, and the content of the calcium is not lower than 76 mg / kg.

The invention provides modified milk powder capable of promoting bone health as well as a preparation method and application of the modified milk powder. The total protein content of the modified milk powder is 17-35 g / 100 g, the fat content of the modified milk powder is 1-32 g / 100 g, and the calcium content of the modified milk powder is 0.8-2.1 g / 100 g. Moreover, the modified milk powder contains bovine coloctrum and lactoferrin, the mass ratio of the bovine coloctrum to the lactoferrin is (5-100): 1 on the basis of the dry matter content, and the content of the lactoferrin in the modified milk powder is 2-400 mg / 100 g. The bovine colostrum and the lactoferrin are combined for preparing the milk powder, have a synergistic effect on promoting osteoblasts and inhibiting osteoclast proliferation, and are beneficial to bone health.

The invention relates to a compound seaweed fertilizer and application thereof, and belongs to the technical field of agricultural chemicals. According to the invention, the pyridine ester compound and the seaweed fertilizer are compounded for use, and the pyridine ester compound and the seaweed fertilizer have a synergistic effect, so that the growth of cucumbers and the quality of fruits are remarkably improved. The compound seaweed fertilizer disclosed by the invention can be used for remarkably improving the yield, the length, the transverse diameter and the thickness of cucumbers and the contents of protein, total sugar, fat, vitamin B2, vitamin C, iron element and calcium element of the cucumbers.

The invention belongs to the technical field of fruit tree cultivation and plant growth regulation, and particularly relates to a plant growth regulator containing 5-ALA and application of the plant growth regulator in prunus humilis planting. According to the method disclosed by the invention, the nutritional quality of fruits is remarkably improved by spraying a 100 mg / L 5-ALA solution on the whole cerasus humilis plant. Compared with clear water, the sugar content of the cerasus humilis fruits treated by the 5-ALA in the full ripening stage is increased by 44.01%, the acidity is reduced by 23.75%, the soluble solids are increased by 60.22%, and the flavor of the fruits is remarkably improved; meanwhile, the total calcium content of the fruits is increased by 30.22%, the water-soluble calcium content is increased by 91.12%, the pectin calcium content is reduced by 30.04%, and the active calcium content is increased by 50.74%; the content of soluble protein is increased by 30.98%, so that the acidity is reduced, and sugar, calcium and protein are synergistically improved.

The invention relates to the technical field of fermentation, in particular to fermented lonicera caerulea juice capable of reducing astringency and increasing the content of organic calcium as well as a preparation method and application of the fermented lonicera caerulea juice. The fermented lonicera caerulea juice disclosed by the invention is prepared from the following components in parts by mass: 95 to 105 parts of lonicera caerulea pulp, 0.5 to 1 part of eggshell powder and 1 to 4 parts of fermentation bacteria. The calcium content in the fermented lonicera caerulea juice prepared by the method disclosed by the invention can be up to 2000mg / L, bitter and astringent substances such as ellagic acid and secologanin are effectively reduced, the bitter and astringent taste is improved, and the roundness and aroma acceptance of the whole taste are improved. The obtained lonicera caerulea fermented juice is pleasant in flavor, balanced in nutrition, high in calcium content and suitable for development of functional beverages and healthy food.

Lactose-free high-calcium milk having double calcium content and a preparation method therefor. The calcium content in the milk is 200 mg / 100 mL or above; the problem of particle precipitation caused by externally added suspended calcium is solved by using a stabilizer and a phosphate, and the problem of fat floating is solved by optimizing the preparation process; lactase is used to achieve zero lactose and generated galactooligosaccharide promotes high calcium absorption, and the browning degree of milk is also reduced, resulting in less observed fat floating in the milk.

The invention provides a moulting feed for laying hens and an artificial moulting method for quickly recovering high yield, and the moulting feed for laying hens comprises the following raw materials in parts by mass: 7-8 parts of Chinese prickly ash seeds, 20-22 parts of crude protein feed, 0.5-2 parts of yeast culture, 2-4 parts of threonine residues, 8-10 parts of calcium-containing supplement, 0.1-1 part of soybean oil, 50-65 parts of corn and 2-3 parts of LD625. Wherein the content of crude protein is 15%-16%, and the content of calcium is 3%-4.0%. The specific formula of the laying hen moulting feed is optimally designed, and the illumination intensity and time in the moulting process are regulated and controlled, so that the second laying rate can quickly reach the peak and the second laying peak lasts for a long time after primary artificial moulting, and the laying rate of laying hens can reach the peak after secondary artificial moulting. The third-time egg laying rate can quickly reach the peak, the duration time of the third-time egg laying peak is long, the continuous and excellent egg laying effect is achieved, the moulting cost is reduced, the breeding period is prolonged, and application and popularization are facilitated.

The invention provides a probiotic fermentation and bacterial powder compound addition chewable tablet and a preparation method thereof, and belongs to the technical field of microorganisms, the preparation method comprises the following steps: respectively adding water into apple peel, cerasus humilis fruits and aronia melanocarpa fruits, pulping, and mixing in proportion to obtain mixed fruit pulp; a mixed bacterium solution of lactobacillus plantarum LNJ-HQ-01 and lactobacillus fermentum BNCC194390 is added into the mixed fruit pulp, and fermentation is performed; freeze-drying and grinding the fermented fruit pulp to obtain freeze-dried fruit powder; the preparation method comprises the following steps: respectively activating lactobacillus plantarum LNJ-HQ-01, lactobacillus acidophilus BNCC186447 and lactobacillus rhamnosus ATCC7469, performing enlarged culture, taking bacterial sludge, uniformly mixing the bacterial sludge with a freeze-drying protective additive, and performing freeze-drying to obtain freeze-dried bacterial powder; and uniformly mixing the fruit powder, the freeze-dried bacterial powder and the medicinal auxiliary materials, and tabletting to obtain the probiotic chewable tablets. The probiotic chewable tablet is high in dietary fiber content, effective calcium content and total phenol content, high in oxidation resistance and suitable for calcium supplement of special groups such as diabetics and the like.

The invention relates to a pellet and a preparation method thereof, and relates to the technical field of calcium carbide preparation, the pellet comprises the following components in parts by mass: 5.2-8.3 parts of calcium carbonate crystal, 56.8-59.7 parts of calcium oxide, 32.0-37.5 parts of calcium hydroxide, and 0.6-0.9 part of carboxylation modified lignin; the preparation process comprises the steps of raw material pretreatment, mineralization slurry preparation, mineralization and curing. According to the pellet and the preparation method, the active lime screen underflow serves as a calcium source, a stable structure with high strength and multistage pores is constructed on the molecular scale by adopting the biomimetic mineralization principle, and the pellet cracking risk is effectively reduced; meanwhile, an inert binder does not need to be added, effective calcium content dilution is avoided, the high-temperature smelting working condition of the distribution stone is adapted, and the production cost is remarkably reduced.

The invention relates to the technical field of chemistry, in particular to a method for preparing magnesium hydroxide from a magnesium salt solution through a gaseous ammonia precipitation method, and the method is particularly suitable for extracting magnesium hydroxide from multi-component water mineral raw materials with high calcium content. The method comprises the following steps: in a nitrogen or inert gas atmosphere, introducing gaseous ammonia into a magnesium salt solution (comprising a multi-component water mineral raw material containing high-concentration calcium), and controlling the molar ratio of NH to Mg to be 2.5: 1-4: 1, so that magnesium hydroxide is precipitated and separated out; and after the precipitation process is completed, filtering and washing under the same atmosphere, and drying and crushing the obtained product. The method can realize one-step high-efficiency separation of magnesium hydroxide, and is also suitable for taking a multi-component natural mineral raw material with high calcium content as an initial solution.

A system and method for process water and oxide coating recovery and distribution in a direct reduction system, such as a system for producing direct reduced iron. A warm lime softener is used to remove (recover) calcium, alkalinity, and other constituents from the process water system and to produce an effluent that can be further processed and returned as makeup to the process water system. The lime softening process requires lime (or similar material) to be added to the influent, thereby increasing the calcium and pH levels until they become supersaturated and precipitate. This chemical process results in effluent that is low in calcium, alkalinity, and total suspended solids.

The invention belongs to the technical field of solid waste treatment, and particularly discloses a preparation method for increasing the content of soluble calcium in fish bones. The method comprises the following steps: pretreating fish bones to obtain fish bone powder; mixing fish bone meal and water, and sterilizing to obtain a fermentation substrate; according to the method, bacillus subtilis, lactobacillus plantarum and saccharomycetes are adopted for multi-strain sequential fermentation, the bacillus subtilis is inoculated firstly for ventilation fermentation for 2-4 days, the pH is adjusted to 6.5-7.0, then sterilization is performed, a carbon source is added, a mixed bacterium solution of the lactobacillus plantarum and the saccharomycetes is inoculated, and ventilation fermentation is performed for 2-4 days. Through a specific strain combination and an innovative sequential fermentation process, the enzyme production capacity of bacillus subtilis and the acid production capacity of lactobacillus plantarum and saccharomycetes are remarkably improved, dissolution of calcium in fish bones is synergistically promoted, the problem of bitter taste generated by a traditional enzymolysis method is avoided, and the method has the advantages of high efficiency, greenness and complete nutrition retention.

The invention provides a planting method of hydroponic lettuce, and relates to the technical field of vegetable cultivation. According to the planting method for hydroponic lettuce, after field planting and hydroponic culture are conducted on lettuce seedlings, a combined artificial light source with the red-blue light ratio being (3-7): 1 is adopted for irradiation; the EC value of the nutrient solution after field planting and before harvesting is 0.8-1.5 mS / cm. According to the planting method of the hydroponic lettuce, after the lettuce seedlings are subjected to field planting and hydroponic culture, red and blue light quality regulation and nutrient solution concentration adjustment are added, a hydroponic lettuce growth synergistic system is constructed through the red and blue light quality regulation and nutrient solution concentration adjustment, the growth system is optimized, high-quality growth of the hydroponic lettuce is achieved, synthesis of secondary metabolites is stimulated, and the yield of the hydroponic lettuce is increased. Flavor substances are accumulated, the vitamin content is increased, and the nitrate content is reduced, so that the lettuce quality is improved, the calcium content is increased, the transpiration is enhanced, and the problem of edge burning is effectively solved.

Provided are: an admixture for concrete that eliminates the need for dedicated equipment for carbon dioxide fixation; a production method therefor; concrete that includes the admixture; and a production method therefor.　An admixture according to the present invention is produced by reacting a by-product obtained in a quicklime production step with water and carbon dioxide and contains calcium in an amount of not more than 35 mass%. A method for producing the admixture comprises: a first step for reacting water with a raw material which is a by-product obtained in a quicklime production step; and a second step for reacting, with carbon dioxide, a product obtained in the first step.

The invention relates to a glass batch for a glass article. The glass batch comprises, by weight, a first raw material group containing 0-65% SiO2, a second raw material group containing 5-60% AI2O3, a third raw material group containing 10-45% MgO, a fourth raw material group containing 0-13% CaO or CaCO3, a fifth raw material group containing 0-20% Na2CO3 and / or 10-30% Na2O or combinations thereof, and a sixth raw material group containing 0-5% B2O3.

The invention discloses a cultivation method for enhancing the total amount of bio-available calcium of edible parts of pakchoi, and relates to the technical field of Chinese cabbage cultivation, and the method comprises the following steps: variety screening, seedling raising, transplanting, foliar fertilizer spraying, cultivation and picking. Through the design of high-calcium variety screening, calcium nutrition pretreatment in the seedling raising period, foliar calcium supplement and potassium fertilizer synergistic application, the calcium content of the edible part of the pakchoi is increased, more importantly, the absorption, transport and accumulation process of calcium in the plant body is optimized, the total amount of bio-available calcium which can be actually absorbed and utilized by the human body in the edible part is increased, and the yield of the pakchoi is increased. The problem that an existing calcium fertilizer application and biological enhancement technology cannot guarantee effective calcium absorption of a human body is solved. Aiming at the problems of low absorption efficiency of traditional soil calcium fertilizer application and lack of systematicness of a foliar calcium fertilizer technology, through pretreatment of an EDTA calcium complex in a seedling raising period, precipitation which is difficult to absorb and formed by combination of calcium and other substances in soil or a matrix is avoided, and an efficient calcium absorption basis is constructed for seedlings.

The invention relates to the technical field of food processing, in particular to recombined meat, sauce stewed recombined meat and a preparation method thereof. The reconstituted meat provided by the invention is prepared from the following raw materials: dry materials and water, the dry materials comprise the following components in parts by weight: 50 to 70 parts of fish meat, 10 to 20 parts of pork, 3 to 8 parts of peptide calcium powder, 5 to 15 parts of soybean protein isolate, 2 to 6 parts of cassava starch, 1.5 to 3.5 parts of coix seed powder, 1.0 to 1.5 parts of TG enzyme, 0.4 to 0.8 part of carrageenan and 1.5 to 2.5 parts of table salt. According to the recombinant meat provided by the invention, the fish meat and the pork are used as main base materials, various functional components such as the peptide calcium powder, the soybean protein isolate, the cassava starch and the coix seed powder are combined, scientific proportioning of the raw materials is realized, and the recombinant meat is high in protein and calcium content, low in fishy smell, good in texture and water retention, good in flavor, low in salt content and rich in taste, and has very high safety and edible value.

The present application relates to the technical field of fertilizer, and especially relates to a biological coupling powder rich in mineral nutrition and a preparation method thereof, which comprises the following steps: activating calcium magnesium potassium sulfate to obtain activated calcium magnesium potassium sulfate, and determining whether the activation is qualified; in response to the qualified activation, mixing the activated calcium magnesium potassium sulfate with organic raw materials, determining whether the affinity and dissociation of the activated calcium magnesium potassium sulfate and the organic raw materials meet the standard based on the increment of water-soluble calcium and the pH change rate; in response to the qualified affinity and dissociation, determining the balance treatment of the mixture, and obtaining fermentation substrate; spraying a compound microbial inoculum to the fermentation substrate in a preset stage for solid-state aerobic fermentation treatment, determining the addition of the compound microbial inoculum based on the change rate of water-soluble calcium content, and obtaining fermentation product; aging the fermentation product, determining whether to extend the aging time based on the humification coefficient, and drying the fermentation product to obtain the biological coupling powder. The present application improves the biological coupling property of mineral nutrition and organic raw materials.

The invention discloses a milk-based solid beverage and a preparation method thereof, and relates to the technical field of solid beverages. The invention discloses a preparation method of a milk-based solid beverage, which comprises the following steps: blending raw materials according to a formula ratio to obtain the milk-based solid beverage, the milk-based solid beverage contains 1-7wt% of a calcium supplement; the calcium supplement is obtained by carrying out covalent cross-linking on carboxymethylated beta-glucan and sodium alginate and then carrying out calcium chelation treatment; plant polysaccharide oat beta-glucan is used as a raw material, the oat beta-glucan is subjected to carboxymethylation treatment and then is covalently cross-linked with carboxymethyl sodium alginate to construct a three-dimensional network, the high efficiency and stability of the product are ensured, finally calcium ions are chelated, and the calcium supplement of the solid beverage is prepared. The prepared calcium supplement is high in calcium content and easy to absorb by intestines and stomach.

The application discloses a method for determining water-soluble calcium content in stone powder, and relates to the technical field of material detection. The method comprises the following steps: firstly, mixing a stone powder sample with water to extract a sample solution; then, adding an excess of sodium bicarbonate solution to part of the sample solution, heating at 70-80 DEG C, cooling and standing, and then treating the sample solution by filtration, washing and drying to obtain a precipitate; finally, calculating the water-soluble calcium content in the stone powder according to the mass of the precipitate. The method realizes accurate detection of the water-soluble calcium content through sodium bicarbonate precipitation and constant weight determination. The method can also realize batch detection of samples, improves work efficiency, and is safe and environmentally friendly in the experimental process.

The application discloses a method for predicting total intestinal digestible calcium and phosphorus content of growing pigs based on a linear model, and relates to a method for estimating total intestinal digestible calcium and phosphorus content, comprising the following steps: S1, arranging collected data sets through a preprocessing module to obtain an initial data set containing input features and target variables; the target variables include total intestinal digestible calcium content ATTD_Ca and total intestinal digestible phosphorus content ATTD_P measured through a digestion test; S2, performing feature analysis and screening on the initial data set through a feature engineering module to obtain a data sample constructed by a feature subset adapted to the target variables; S3, respectively constructing linear prediction models related to the prediction of each target variable, and training, optimizing and verifying the linear prediction models by using the data sample; and S4, importing feature data of a new feed formula to be predicted, selecting the data sample through S1-S2, and obtaining a prediction value of the target variable through the linear prediction model.

The invention discloses a method for producing aluminum oxide by using carbide slag instead of lime, which comprises the following steps: in the process of dissolving out bauxite by a Bayer process, adding carbide slag into circulating mother liquor, and carrying out dissolution treatment. According to the method for producing the aluminum oxide by using the carbide slag instead of the lime, the dissolution effect of the bauxite is equivalent to that of the traditional lime. The calcium-containing characteristic of the carbide slag is utilized, the effect of lime in the Bayer process dissolution process is ingeniously replaced, the effects of turning waste into wealth and recycling waste are achieved, and remarkable economic and social benefits are achieved.

The invention discloses a method for measuring the calcium content of a seamless pure calcium line, and aims to solve the problem of inaccurate detection of a sample containing an oxide layer. According to the method disclosed by the invention, a two-step acidolysis strategy of diluted hydrochloric acid-hexamethylenetetramine and glacial acetic acid warming is adopted, so that comprehensive and rapid dissolution of metal calcium and calcium oxide and super-strong protection of iron sheets are realized; a gradient alkalization masking strategy of triethanolamine-ammonia water-potassium hydroxide is adopted, so that deep masking of interference ions and an acute titration end point are realized. The method has the advantages of good selectivity, strong anti-interference capability, high accuracy and simple operation, and is especially suitable for accurate quality evaluation of seamless pure calcium line products in iron and steel enterprises.

The application discloses a method and system for determining the content of calcium and magnesium in a zinc solution electrolyzed by a chlorine-ammonia method, and the method comprises the following steps: in a solution with PH equal to 10, taking sodium potassium tartrate and triethanolamine as masking agents, taking acid chrome blue K-naphthol green B as an indicator, titrating with EDTA until the solution is pure blue, and determining the total content of calcium and magnesium; in a strong alkaline solution with PH equal to or greater than 12, taking triethanolamine as a masking agent, taking a calcium indicator as an indicator, titrating with EDTA until the solution is pure blue, and determining the content of calcium. The method can accurately determine the content of calcium and magnesium in the zinc solution electrolyzed by the chlorine-ammonia method, is used for guiding the formula of a production raw material, and can timely remove calcium and magnesium in the solution, so that the production is not seriously affected.

The invention provides a calcium balance control method and system for producing aluminum oxide through a low-temperature Bayer process, and belongs to the field of aluminum oxide metallurgy. The method comprises the following steps: mixing bauxite with a blending solution, and then carrying out pre-desiliconization dissolution to obtain pre-desiliconization slurry; carrying out high-temperature dissolution on the pre-desiliconized slurry, and then carrying out settling separation to obtain a decomposed stock solution; mixing part of the decomposed stock solution with lime milk for reaction to obtain an activating solution; adding the activation solution into the rest of the decomposition stock solution, filtering, and dynamically adjusting the addition amount of the activation solution to obtain a refined decomposition stock solution with the Ca < 2 + > concentration of less than or equal to 15 ppm; and judging whether the calcium content in first-tank aluminum hydroxide obtained after seed decomposition of the refined decomposition stock solution is not greater than 180ppm or not, and if so, continuing seed decomposition of the refined decomposition stock solution to obtain low-calcium aluminum hydroxide. Therefore, the technical problem that the calcium content in the aluminum oxide product subjected to pre-desilicication by using guinea ore is increased is solved.

The utility model relates to the technical field of X fluorescence sulfur-calcium-iron analyzers, in particular to a calcium content detection device applied to calcium carbonate powder, which comprises an X fluorescence sulfur-calcium-iron analyzer, a touch screen is electrically mounted on the surface of the X fluorescence sulfur-calcium-iron analyzer, a drawing plate is slidably connected in the X fluorescence sulfur-calcium-iron analyzer, and the X fluorescence sulfur-calcium-iron analyzer is electrically connected with the touch screen. A limiting device is arranged on the surface of the pulling plate and comprises a sliding groove formed in the inner side of the pulling plate. According to the utility model, the limiting device is arranged, so that the cake-shaped calcium carbonate powder sample can be flexibly limited conveniently, and the phenomenon that the cake-shaped calcium carbonate powder sample is easy to crack in the process of directly placing the cake-shaped calcium carbonate powder sample on the inner side of the drawing plate is avoided; the limiting device not only facilitates limiting work of cake-shaped calcium carbonate powder samples with different sizes and structures, but also effectively avoids fragmentation of the cake-shaped calcium carbonate powder samples, so that the accuracy of detecting the calcium content in the cake-shaped calcium carbonate powder samples is improved to a certain extent.

The invention relates to the technical field of flour manufacturing, in particular to calcium-increasing nutritional flour which comprises the following components in percentage by mass: 2% of chestnut shell powder, 1% of papaya powder, 82%-92% of wheat flour and 5%-15% of coarse grain powder. The chestnut shell powder, the papaya powder, the wheat flour and the coarse food grain powder are uniformly mixed, the chestnut shell powder is prepared from a raw material, namely an outer skin tightly coating chestnut pulp, through complete charcoal calcining treatment, crushing and grinding, the particle diameter of the powder is 0.05 mm-0. 2mm, the calcium content in the flour is increased through the chestnut shell powder, and the papaya powder is added to assist the human body; the absorption effect of the flour is improved by the absorption of the chestnut shell powder, and the coarse grain powder is adopted, so that the primary color of the flour is kept as much as possible, the seasoning convenience of the flour is improved, the diversity of the flour taste is improved, and the increasingly diversified diet requirements of people are met.

The present invention discloses a soil calcium carbonate content prediction method based on indoor hyperspectral and linear regression, including: collecting soil samples and pre-processing; measuring the spectral reflectance data of the soil samples in the 2000-2400nm band; measuring the calcium carbonate content of the soil samples; performing breakpoint correction, detrending and continuum removal processing on the spectral reflectance data of the soil samples in the 2000-2400nm band; selecting the spectral reflectance data of the 2330-2360nm band from the processed data and calculating its maximum absorption depth; based on the calcium carbonate content and the maximum absorption depth, establishing a linear regression model; based on the linear regression model and the spectral reflectance data of the soil samples in the target area, predicting the calcium carbonate content of the soil samples in the target area. The present invention has the characteristics of high efficiency and accuracy, low cost and environmental friendliness, and can provide support for the fields of soil quality assessment, precision agriculture and ecological environment protection.

The invention relates to the technical field of feed additives, and provides a feed additive which is composed of an organic trace element group, a medicinal and edible plant group, a functional nutrition group and a compound vitamin group according to specific parts by weight, wherein the organic trace element group comprises 550-650 g of organic selenium, 250-350 g of zinc methionine and 150-250 g of glycine iron; the medicinal and edible plant group comprises 35-45 kg of astragalus membranaceus powder, 25-35 kg of Chinese wolfberry fruit powder and 20-30 kg of Chinese yam powder; and the functional nutrition group comprises 45-65kg of spirulina powder of 100-200 meshes and 1.0-1.5 kg of soybean lecithin with the phosphatidylcholine content of more than or equal to 20%. Medicinal and edible plants and organic trace elements are combined, risk raw materials such as inorganic selenium are abandoned, and scientific synergistic matching is combined, so that the selenium content and the calcium content of egg products are stably increased, heavy metal and antibiotic residues are not detected, the cholesterol content is remarkably reduced, and the egg products completely meet the food safety standard; the core problems that a traditional additive is insufficient in safety and unstable in nutrition enrichment are solved.