68results about "Protein composition from eggs" patented technology

The invention discloses a method for preparing, enriching and separating various egg yolk bioactive peptides through enzymolysis of defatted egg yolk powder and application of the egg yolk bioactive peptides, and belongs to the technical field of egg product processing and bioactive peptides. Egg yolk protein hydrolysate is prepared by adopting a three-step enzymolysis process, adsorption and gradient elution are performed on the egg yolk protein hydrolysate by adopting a macroporous resin chromatographic column, four components including water-1, water-2, 20% ethanol and 80% ethanol are obtained, the water-1 component is common egg yolk peptide, the water-1 component is enriched with osteogenic active peptide, the water-2 component is enriched with ethanol, and the 80% ethanol is enriched with ethanol. The 20% ethanol component enriches antioxidant peptide, and the 80% ethanol component enriches ACE inhibitory peptide. The functional activity of each bioactive peptide component is very strong, and the bioactive peptide component can be used as a high-end functional ingredient. According to the method disclosed by the invention, comprehensive utilization of the degreased yolk powder is realized, enrichment and separation of three active peptides are realized by using one raw material through a step-by-step enzymolysis-directional separation technology, the yield of the active peptides is greatly improved, and the economic benefits of enterprises are improved.

The invention discloses high-absorption type egg white peptide sports protein powder rich in branched chain amino acid and a preparation method thereof, and relates to the field of foods for special diets. The preparation method of the sports protein powder comprises the following step of mixing the egg white peptide containing the DKVVDVD sequence, the whey protein powder, the skim milk powder, the strawberry essence, the sucralose, the composite mineral substances and the composite vitamins step by step according to a specific sequence. Compared with commercially available products, the product disclosed by the invention has no significant difference in sensory evaluation, but the content of branched chain amino acid is increased by 64.42%, and the particle size and the PDI value are respectively reduced by 28.20% and 17.62%, so that the product has higher absorption efficiency. The product is simple and convenient in preparation process, is nutritional and delicious, can meet the nutritional requirements of sports crowds, remarkably improves the nutrient utilization degree, and achieves the functional goals of promoting muscle growth and relieving sports fatigue.

The invention discloses a method for preparing high-purity lysozyme and ovotransferrin through combined ion exchange chromatography, and belongs to the technical field of protein separation and purification and functional food. The lysozyme with the purity of 95.57% and the ovotransferrin with the purity of 97.89% are obtained through separation by combining cation exchange resin with anion exchange filler. Wherein the ovotransferrin has good oxidation resistance, has a relatively high inhibition rate on the growth of pseudomonas fluorescens, and does not lose the biological function in an acid environment, so that a basis is provided for improving the additional value of the egg white and developing antibacterial and anti-inflammatory functional foods.

The invention belongs to the technical field of food nutrition and health, and particularly discloses protein powder for assisting in improving Alzheimer's disease and a preparation method of the protein powder according to the concept of dietary therapy in China, and the protein powder is prepared from the following components in percentage by weight: 35-45% of egg white protein peptide powder and 55-65% of core function compound powder. According to the invention, egg white protein peptide is used as a high-quality matrix, and nine specific medicinal materials including hippocampus, egg yolk phospholipid, egg membrane peptide, walnut, fructus alpiniae oxyphyllae, gastrodia elata, mulberry, sargassum fusiforme, wolfberry, ginkgo leaf, fructus evodiae and dandelion are cooperatively compatible; aiming at seven core pathological links of Alzheimer's disease, such as A beta deposition, Tauopathy, neuroinflammation, oxidative stress, cholinergic deficiency, neurodystrophy and cerebral circulation disorder, a multi-target synergistic effect network is constructed, comprehensive neuroprotection is realized, and tests prove that the space learning and memory ability and the autonomous activity ability can be effectively improved.

The utility model relates to the field of food processing equipment, in particular to an egg yolk separating device for moon cake stuffing processing. The egg white separating device comprises a supporting frame, a shaking motor, a centrifugal rotating shaft, a strip-shaped frame, a rotating shaft rod, an egg white conveying plate, a separating plate, through holes, fan-shaped teeth and a force unloading gear. A shaking motor is fixedly arranged at the bottom of the supporting frame and obliquely erected on the supporting frame, the output end of the shaking motor is in transmission connection with the centrifugal rotating shaft, the eccentric end of the centrifugal rotating shaft is sleeved with the bottom end of a strip-shaped frame, the top end of the strip-shaped frame is sleeved with a rotating shaft rod, and the rotating shaft rod axially penetrates through reinforcing ribs on the periphery of the egg white conveying plate; the egg white conveying plate is obliquely arranged, the cross section of the egg white conveying plate is in a circular arc shape, the separating plate is placed on the inner wall of the egg white conveying plate, the separating plate and the egg white conveying plate are connected in a penetrating mode through bolts, and a gap is formed between the separating plate and the egg white conveying plate.

The utility model relates to the field of egg processing, in particular to an egg liquid and egg shell separating device. The technical problems that an existing device cannot conveniently crush multiple eggs at the same time, the separation efficiency is low, residual egg liquid on egg shells cannot be conveniently recycled, and the loss rate is high during separation are solved. An egg liquid and egg shell separating device comprises a bottom frame, an egg white collecting barrel is fixedly connected to the bottom frame, the egg white collecting barrel is open, an egg yolk collecting barrel is fixedly connected to the bottom frame, the egg yolk collecting barrel is open, and a motor is fixedly connected to the bottom frame. A motor drives one rotating shaft to rotate, one rotating shaft drives a driving wheel to rotate, the driving wheel drives a conveying belt to rotate, the conveying belt drives a placing frame to rotate, the placing frame drives eggs to move, the eggs make contact with an extrusion plate, the extrusion plate extrudes the eggs downwards, egg shells can be crushed under pressure, and the multiple eggs can be crushed conveniently at the same time; the separation efficiency is improved.

The utility model provides automatic egg white and yolk separating equipment. The automatic egg white and egg yolk separation equipment comprises a separation bin, an egg yolk collection box and a separation pipe, a first egg white collecting box is arranged on the lower side of the separation bin, a fixing frame is installed on the first egg white collecting box, the separation bin is arranged on the fixing frame, and a connecting pipe is connected to the side wall of the separation bin; the egg yolk collecting box is arranged on one side of the first egg white collecting box, a pair of supporting plates is installed on the egg yolk collecting box, and a supporting frame is fixedly connected between the pair of supporting plates; one end of the separation pipe is connected with the connecting pipe, the other end of the separation pipe is arranged on the supporting frame and connected with a bent pipe, and one end of the bent pipe is arranged in the egg yolk collecting box. According to the automatic separation equipment for the egg white and the egg yolk, separation of the egg white and the egg yolk of multiple eggs can be achieved through arrangement of corresponding mechanisms, and the separation efficiency of the egg white and the egg yolk can be improved; meanwhile, the separation effect of egg white and egg yolk can be improved, and a user can conveniently use the device.

The invention discloses a protein nanoparticle-nanofiber composite material and a preparation method thereof, and belongs to the technical field of food processing and functional protein materials. The method comprises the following steps: (1) taking fresh egg white, diluting and stirring to obtain uniform egg white protein dispersion liquid; (2) performing acylation modification on the egg white protein dispersion liquid to increase surface negative charges and improve conformation flexibility; (3) performing controllable enzymolysis on the acylated egg white protein, so that part of peptide chains of the acylated egg white protein are broken and oligopeptide with self-assembly capability is formed; and (4) carrying out heat treatment on the enzymolysis product, inducing the peptide fragment to be self-assembled to form nano-particles while inactivating the protease through heat treatment, further forming a nano-fiber network dominated by a beta-folding structure, and finally obtaining the protein nano-particle-nano-fiber composite system. Through the synergistic effect of acylation, enzymolysis and heat treatment, accurate conversion of protein from a natural spherical conformation to a functional nanostructure is achieved, and the obtained composite material has the dispersion stability of particles and the network enhancement effect of fibers and has excellent foamability, emulsibility and gelling property.

The utility model discloses an egg yolk and egg white separating and filtering device. According to the key points of the technical scheme, the device comprises a fixing support, an egg liquid storage tank is arranged on the fixing support, a discharging opening is formed in one end of the egg liquid storage tank, a separating plate and an egg white flow guide groove formed below the separating plate are arranged below the discharging opening, and an egg yolk collecting barrel and an egg white collecting groove are correspondingly arranged below the separating plate and the egg white flow guide groove; an outer barrel and a filter barrel movably arranged in the outer barrel are arranged on one side of the egg white collecting groove, the filter barrel is sequentially provided with a precipitation section and a filter section from bottom to top, a first conveying pipeline is arranged on one side of the egg white collecting groove, and the other end of the first conveying pipeline is located above the filter barrel. Eggs are shunted through the separating plate and the egg white flow guide groove, the shunted egg white is preliminarily precipitated and filtered through the filtering barrel, flows into the outer barrel through the filtering section, is subjected to secondary precipitation and then is uniformly collected, so that eggshell residues mixed into the egg white are reduced, and the taste of cake finished products is improved.

Provided herein are compositions with enhanced protein content, compositions with functional proteins, protein combinations and methods for the preparation thereof.

The invention discloses application of egg yolk phospholipoprotein in sleep improvement, and belongs to the field of functional food development. The egg yolk phospholipoprotein is a product obtained after cholesterol and triglyceride are removed from egg yolk, and contains protein and phospholipid components. According to the method, the yolk phospholipoprotein is prepared by adopting a supercritical carbon dioxide method, the supercritical carbon dioxide has relatively high dissolving capacity on cholesterol and triglyceride, but has very low dissolving capacity on protein and phospholipid, in the extraction process, the triglyceride and the cholesterol are extracted together, and the protein and the phospholipid are retained in the raffinate; according to the present invention, the egg yolk phospholipoprotein with triglyceride and cholesterol removed is finally obtained, and the experiment results show that the egg yolk phospholipoprotein can significantly improve the sleep rate and the sleep time, and can significantly improve the activity of sleep.

The invention belongs to the technical field of foods, health-care foods and medicines, and particularly relates to a low-triester and low-sterol egg yolk phospholipoprotein composition and a preparation method thereof. The invention provides a low-triester and low-sterol egg yolk phospholipoprotein composition. The content of egg yolk phospholipids is greater than or equal to 40%. Furthermore, the content of the protein is 50%-60%. Correspondingly, the invention also provides a preparation method of the low-triester and low-sterol egg yolk phospholipoprotein composition, and the preparation method comprises the following steps: preparing the egg yolk phospholipoprotein composition by taking egg yolk powder as a raw material and adopting a supercritical CO2 extraction method; the supercritical CO2 extraction method comprises gradient boosting extraction; an entrainer is adopted in the gradient boosting extraction. According to the method, the extraction pressure is only 15-30 MPa, the CO2 flow rate is 20-30 kg / h, and the extraction pressure and the CO2 flow rate are far lower than those in the prior art, so that the overall energy consumption is reduced, and the operation cost is remarkably reduced; and efficient removal of TG and cholesterol is realized.

The invention relates to the field of egg liquid separation, in particular to an egg liquid separation device for egg product processing, which comprises an outer cylinder, a feed hopper and a feed pipe are mounted on the top surface of the outer cylinder, an egg liquid distribution box is fixedly mounted on the inner wall of the outer cylinder through a plurality of distribution supports, and an egg liquid distribution bin is arranged on the top surface of the egg liquid distribution box. An egg liquid distribution groove penetrates between the egg liquid distribution bin and the side face of the egg liquid distribution box, the end, away from the egg liquid distribution bin, of the egg liquid distribution groove inclines downwards, two egg liquid separation plates located on the two sides of the egg liquid distribution groove are installed on each side face of the egg liquid distribution box, and an included angle is formed between the two egg liquid separation plates; an egg liquid separation gap is formed between the bottoms of the egg liquid separation plate and the outer barrel, and an egg yolk collection part located below the end of the egg liquid separation plate is installed on the inner wall of the outer barrel. A large number of egg liquid can be separated at the same time through the split-flow filtering structure, and compared with the operation that manual separation is adopted and egg yolks are fished out one by one through a colander in the prior art, the efficiency is high.

The invention belongs to the technical field of protein peptide powder. The invention provides a preparation method of ovalbumin peptide powder, which comprises the following steps: S1, transferring protein liquid into a fermentation tank, adjusting the pH value to 6.0-6.9, adding dry yeast, stirring and fermenting to obtain fermentation liquid; s2, transferring the fermentation liquor obtained in the S1 into an enzymolysis tank, heating to 50-55 DEG C, adding a compound enzyme preparation, carrying out enzymolysis for 7-10 hours, and stirring for 10 minutes per hour to obtain enzymatic hydrolysate; the compound enzyme preparation comprises papain, subtilisin, trypsin and aminopeptidase; and S3, transferring the enzymatic hydrolysate obtained in S2 back to a fermentation tank, cooling, adding dry yeast, stirring, fermenting, spray-drying, and placing in a hot chamber for 3-7 days to obtain the product. According to the ovalbumin peptide powder, the oxidation resistance and the heat resistance are improved at the same time, so that the ovalbumin peptide powder with more excellent functionality and wider application range is obtained.

The present invention relates to an apparatus (10) for deshelling eggs, comprising a casing (11) defining a shelling section (A) and an unloading section (B), a shelling device (12) accommodated in the shelling section (A) and configured to open the shells of eggs, an unloading device (13) accommodated in the unloading section (B) and having at least one hopper member (14a, 14b, 14c) suitable for receiving and unloading shelled products consisting of egg whites, egg yolks, or a mixture of egg whites and egg yolks, and a conveying mechanism (14b) adapted to convey the egg whites and egg yolks separately from the shelling device (12) to the unloading device (13). and sanitizing devices (18, 19a, 19b, 20, 30) housed in the casing (11) and adapted to emit ultraviolet radiation, the sanitizing devices comprising a first sanitizing device (19a) positioned to irradiate a working surface of the at least one hopper organ (14a, 14b, 14c) to reduce the bacterial load on the working surface, the working surface being a surface that comes into contact with egg yolk and / or egg white during operation of the apparatus (10).

The invention discloses an egg liquid and egg shell separating device for egg deep processing, and particularly relates to the technical field of egg deep processing, the egg liquid and egg shell separating device comprises a shell, supporting legs are fixedly connected to four corners of the lower end of the shell, a control box is fixedly mounted at the front end of the shell, and conveying and cleaning assemblies are jointly arranged on the inner surfaces and the upper ends of two annular seats; the inner surfaces, the upper ends and the left ends of the two annular bases are jointly provided with separation assemblies. According to the egg liquid and eggshell separation device for egg deep processing, by arranging the conveying and cleaning assembly, eggs can rotate in the conveying process, the situation that egg liquid adheres to eggshells can be reduced through rotation, impurities attached to the outer surfaces of the eggs can be cleaned in cooperation with rotation of a brush roller, and the egg liquid and eggshell separation device is more convenient to use. Impurities on the surfaces of the eggs are effectively removed, dirt on the surfaces of the eggs is wetted in cooperation with water spraying, the dirt is more easily removed by the bristles, the wetted dirt is more easily separated from the surfaces of the eggs, and the cleaning efficiency and the cleaning comprehensiveness are improved.

Provided herein are compositions with enhanced protein content, compositions with functional proteins, protein combinations and methods for the preparation thereof.

To provide a method that evaluates the action of a test substance on quercitrin reception by the bitter taste receptors TAS2R8 or TAS2R38.SOLUTION: A method for evaluating the action of a test substance on quercitrin reception by a bitter taste receptor, comprising: allowing coexistence of the bitter taste receptor and quercitrin in the presence of the test substance; detecting an interaction between the bitter taste receptor and quercitrin in the presence of the test substance; and evaluating the action of the test substance on the reception of quercitrin by the bitter taste receptor based on the detected interaction in the presence of the test substance, wherein the bitter taste receptor is TAS2R8 or TAS2R38.SELECTED DRAWING: None

The application discloses a processing method of yolk peptide rich in glycerophosphorylcholine, and comprises the following steps: S1, protease treatment: mixing yolk powder with water, adjusting pH to 7-10, adding protease, and carrying out enzymolysis at a temperature of 45-55 DEG C for 4-8 h to prepare yolk enzymolysis liquid 1; S2, phospholipase treatment: adjusting the pH of the yolk enzymolysis liquid 1 obtained in step S1 to 5.5-7.5, adding phospholipase B, and stirring and enzymolyzing at 50-60 DEG C for 2-4 h to obtain yolk enzymolysis liquid 2; S3, flash evaporation treatment: sequentially carrying out flash evaporation, separation, concentration, high-temperature sterilization and spray drying treatment on the yolk enzymolysis liquid 2 obtained in step S2 to prepare the yolk peptide rich in glycerophosphorylcholine. The application can solve the problems of insufficient comprehensive utilization rate of yolk resources and low product added value, and the method is simple in operation and easy to realize industrialization.

The invention discloses an egg yolk separating device provided with a shell breaking and egg beating assembly and a using method thereof, and relates to the related field of egg processing.The egg yolk separating device comprises a base, an egg liquid collecting bin is movably arranged above the base, and an egg yolk collecting bin is connected to the upper portion of the egg liquid collecting bin; at least one set of inclined discharging channels are arranged in the discharging bin, and a fixing plate is fixed to one side of the upper portion of each discharging channel. The shell breaking and egg beating mechanism comprises an attaching structure used for shell breaking and an adsorption structure used for egg shell separation, and the swing mechanism comprises a connecting rod structure used for transmission. According to the egg yolk separation device with the shell breaking and egg beating assembly and the using method thereof, the shell breaking and egg beating mechanism and a multi-stage separation structure are arranged, automatic operation of egg shell breaking, egg liquid and egg yolk separation and egg shell treatment is achieved, meanwhile, the swing mechanism drives the collecting assembly to reciprocate, egg liquid is promoted to be fully separated, and the egg yolk separation device is matched with a detachable structure in threaded connection. And parts are convenient to clean and maintain.

The utility model relates to the field of egg product processing, and discloses an egg liquid separating mechanism in food processing, which comprises a separating component, a separating component, a separating component, a separating component and a separating component, and is characterized in that the separating component is obliquely arranged and comprises two spaced guide plates; the egg yolk tank is arranged at the lower end of the separating assembly and is used for collecting egg yolk; an egg liquid tank; the collecting assembly is arranged below the separating assembly and used for collecting egg liquid; the pressure filtering mechanism is communicated with the egg liquid tank and is used for filtering the eggshells. After an eggshell is broken, the eggshell and egg white enter the separation assembly, the egg white can pass through and isolate egg yolk due to the fact that a gap directly exists between the two guide plates, the egg yolk can fall into the egg yolk groove under the action of gravity due to the fact that the separation assembly is obliquely arranged, continuous separation of the egg white and the egg yolk can be achieved, and the separation efficiency is improved. The egg white liquid is pressurized and filtered through the pressurized filtering mechanism to remove eggshells, so that the filtering efficiency is improved, and the problem of low separation efficiency is solved.

Provided herein are compositions, proteins, polynucleotides, expression vectors, host cells, kits, and systems for producing egg white proteins, as well as methods of using the same.

The present invention addresses the problem of providing an albumen hydrolysate that has emulsifiability, emulsion stability and heat coagulability. An albumen hydrolysate obtained by hydrolysis of albumen with a protease, wherein the dry weight of a precipitate formed by adding nine times the amount of 0.4 M trichloroacetic acid (TCA) to the albumen hydrolysate is 60% or more relative to the dry weight of albumen treated in the same manner.

The utility model relates to the technical field of separating and filtering devices, and discloses an egg white separating filter for industrial production, which comprises a base, a plurality of groups of collecting grooves are formed in the surface of the base, the top of the base is connected with a seat body through a moving mechanism, and the moving mechanism enables the seat body to move along the arrangement direction of the collecting grooves. Multiple sets of through grooves are formed in the surface of the base body and used for containing raw eggs, adsorption fixing mechanisms are arranged in the through grooves, a punching mechanism is arranged at the position, located at the head end of the moving mechanism, of the side wall of the base and used for punching the bottoms of the raw eggs, and a cutting mechanism is arranged on the upper surface of the base body and used for cutting the raw eggs. The egg white and egg yolk are separated in batches through the punching mechanism, the moving mechanism and the cutting mechanism, the bottom of the egg shell is punched through the punching mechanism so that the egg white can flow out conveniently, the egg shell is cut through the cutting mechanism, the egg yolk can be conveniently discharged from the interior of the egg shell, and therefore separation of the egg white and egg liquid is completed.

To provide a cracker / separate cup unit having a cup unit which inclines a separate cup downward and can fall a product liquid egg to an egg receiving tray of a normal product, without providing a guide mechanism on the outer periphery arranged outside a separate cup.SOLUTION: A cracker / separate cup unit 14_i includes: a support 1100 mounted on an egg breaking machine 1; a yoke cup C3 which is mounted on the support 1100 and houses an egg yolk; a white cup C4 which is arranged below the yoke cup and houses an egg white; and an attitude holding / releasing mechanism 70 having a mechanism for holding the origin attitudes of the yoke cup and the white cup, and a mechanism for releasing the holding forward and falling the liquid egg.SELECTED DRAWING: Figure 7A

The invention relates to a preparation method and application of novel egg white protein muscle building powder, and provides high-quality nutrition support for improving muscle quality. The method takes fresh egg white as a raw material; a finished product is prepared through the steps of egg white separation after eggshell disinfection, ultrasonic-shearing synergetic flocculation removal, yeast beta glucan-polyphenol composite microsphere live protection system addition, acid-dynamic high-pressure microjet low-temperature pretreatment, compound protease enzymolysis, ultrafiltration impurity removal, gradient pH membrane separation and purification, low-temperature vacuum spray drying and the like. The composite microspheres are adopted to replace chemical protecting groups, and the whole-course low-temperature processing technology is combined, so that the activity of branched chain amino acid is effectively maintained. The protein powder can prolong the exercise exhaustion time of mice with muscle injury, improve the muscle repair efficiency, and realize the dual functions of muscle-building nutrition and oxidation resistance. The product adapts to various food systems, and can be widely applied to the fields of sports nutrition and food for special medical purposes.

The invention discloses a feed additive and application thereof, ovomucin is prepared from egg white, and the ovomucin is used as a core component to prepare a functional feed for preventing and treating rodent diarrhea and improving weaning survival rate. Experiments prove that ovomucin nutritional composition intervention can significantly improve mouse diarrhea and death caused by weaning stress, improve inflammatory damage caused by bacterial toxins to intestinal mucosa tissues, promote secretion of intestinal immune factors sIgA, and improve oxidative stress imbalance caused by bacterial toxins; the ovomucin nutritional composition has no obvious acute toxicity, and has the potential of being used as a functional feed additive and a good application prospect.

The utility model discloses egg yolk liquid separation equipment, which belongs to the technical field of cake processing and comprises a bottom plate, a support frame is arranged on the top surface of the bottom plate, an egg liquid box is arranged on one side of the support frame, a separation box is arranged on the top of the egg liquid box, a first filter plate is arranged in the separation box, and an egg yolk box is arranged on the surface of one side of the support frame. A water spraying plate is arranged at the top of the first filtering plate, a limiting frame is arranged on the surface of one side of the separating box, a feeding pipe is arranged in the limiting frame, adjusting assemblies are arranged on the two sides of the water spraying plate, and a feeding assembly is arranged in the feeding pipe. The feeding speed can be controlled during use, the practicability of the equipment is improved, by arranging an adjusting assembly, a water spraying plate can fully clean the interiors of the first filter plate and the separation box through the adjusting assembly, and the cleaning capacity of the equipment is improved.

The utility model relates to an egg white and yolk separator which comprises a machine frame and a conveying mechanism arranged on the machine frame and used for conveying eggs, the conveying mechanism is used for conveying the eggs to pass through an egg breaking station of the machine frame, and an egg breaking mechanism and a liquid separating mechanism are arranged at the egg breaking station of the machine frame. The liquid separation mechanism is used for receiving egg white and egg yolk and separating the egg white and the egg yolk; a driving mechanism is arranged on the machine frame, one output end of the driving mechanism is connected to the egg breaking mechanism through a linkage mechanism, and the other output end of the driving mechanism is connected to the conveying mechanism through a stepping mechanism. And the driving mechanism is used for driving the egg breaking mechanism to break eggs when driving the conveying mechanism to convey the eggs to the egg breaking station. The method has the effect of reducing the production cost.

The present invention provides an edible composition including at least one: recombinant pigeon ovalbumin, recombinant hamerkop ovalbumin, or recombinant collard flycatcher ovalbumin. Further provided are a food product including the edible composition of the invention, as well as a method for preparing same.