491 results about "Degreasing" patented technology

The invention relates to the technical field of dairy products, and particularly discloses a desalted whey product as well as a preparation method and application thereof. The method for preparing the desalted whey product comprises the following steps: (1) carrying out nanofiltration by taking natural whey or degreased sweet whey as a raw material to obtain nanofiltration trapped fluid with the dry matter content of 18-32 g / 100g; the pore diameter of the nanofiltration membrane is 200 Da to 1000 Da; (2) adjusting the pH value of the nanofiltration trapped fluid to 8-9 to obtain whey fluid after pH adjustment; and (3) performing electrodialysis on the whey liquid subjected to pH regulation to obtain desalted whey liquid. According to the preparation method disclosed by the invention, the loss rate of active protein in the raw materials can be reduced, so that the utilization rate of the raw materials is improved, and the obtained product is low in furosine content, high in proportion of undenatured protein and good in bioavailability.

The invention provides cream cheese and a preparation method thereof, and belongs to the technical field of dairy product processing. According to the method, firstly, raw milk is subjected to degreasing and membrane filtration concentration, the concentration multiple is controlled to be 1.5-4, the lactose content of the concentrated solution is precisely regulated and controlled to be 3-6.5% through washing filtration, and the raw milk concentrated solution rich in casein (accounting for 85-95% of total protein) is obtained. Then, mixing the concentrated solution with single cream, white granulated sugar and the like, homogenizing, sterilizing, inoculating a leavening agent and chymosin, fermenting, refrigerating and demulsifying to obtain a finished product. According to the invention, nutrition waste and environmental pollution caused by discharge of whey in a traditional process are fundamentally avoided through membrane filtration pretreatment, and meanwhile, the problems of pink feeling and peculiar smell caused by addition of milk protein powder are solved; the obtained product is pure and rich in flavor, fine and smooth in texture, simple and efficient in process and suitable for large-scale production.

According to the inner wall degreasing and cleaning device for the bundled small-caliber super-long pipes, the cleaning device comprises a silica gel part and a connecting part, the connecting part is in a funnel shape, the small end of the funnel shape is connected to a pump body assembly through a sealing hose, and the large end of the funnel shape is in sealed connection with the silica gel part used for being inserted into one end of each bundled small-caliber super-long pipe; the outer side of the silica gel part is provided with a hoop capable of loosening the wrapping state of the inner wall of the silica gel part on one end of the bundled small-caliber super-long pipe. The cleaning device has the advantages that the cleaning efficiency is improved, bundles of small-caliber super-long pipes are connected and cleaned simultaneously, and time can be saved compared with the prior art that the small-caliber super-long pipes are connected with sealing joints and then cleaned.

The invention discloses a method for producing feed by using corn sugar residues, and belongs to the technical field of fermentation. The method comprises the following steps: pretreating, proportioning, adding an antibacterial agent, fermenting, drying and crushing, coating, cooling and the like, mixing corn sugar residues, corn germ meal and threonine mother liquor according to a specific ratio, adding zinc oxide and a chitosan antibacterial agent, and inoculating Saccharomyces cerevisiae ATCC 9763 for fermenting. And performing multi-stage drying and crushing on the fermentation product, spraying a coating emulsion prepared from a defatted soybean meal extract, curcumin, vitamin E, lecithin and sophorolipid, and performing air cooling to prepare the feed. According to the method, by-products are fully utilized, the crude protein content of the feed is 32-34.5%, the diameter of an inhibition zone is 18.1-20.2 mm, the moisture absorption rate is 2.7-3.4%, the palatability score is 8.0-8.6, and the fermentation yield is 92-94%. The innovation point lies in specific strain fermentation and functional coating, and is suitable for industrial production.

The invention relates to the field of chemistry, and discloses an efficient hot galvanizing process which comprises the following steps: degreasing: degreasing a workpiece at 40-50 DEG C by using a degreasing agent, and meanwhile, assisting in degreasing by adopting ultrasonic vibration or mechanical stirring; acid pickling is conducted, specifically, the degreased workpiece is subjected to acid pickling at the temperature of 20-30 DEG C through an acid pickling solution containing 15-25% of hydrochloric acid and 0.5-1% of a hydrogel acid mist inhibitor; three-stage countercurrent rinsing is adopted, and the workpiece obtained after acid pickling is washed with water; assistant plating: dipping the washed workpiece in a plating assistant at 60-70 DEG C for 3-8 minutes, and carrying out assistant plating treatment; and hot dipping. By adding the hydrogel acid mist inhibitor, volatilization of hydrochloric acid is inhibited, acid mist emission is reduced, pollution to the workshop environment and the corrosion risk to equipment are reduced, the three-stage countercurrent rinsing process is adopted, the washing efficiency is improved, and the water consumption is reduced while it is guaranteed that residual acid liquid on the surface of a workpiece is cleaned away.

The present invention discloses a pretreatment device for defatting animal meat residue to produce meat and bone meal, which relates to the technical field of meat and bone meal production, and comprises a treatment box, the top of which is fixedly connected to a feed frame, one side of which is rotatably provided with a slide plate for loading materials and sliding and feeding the materials, the slide plate being arranged at an angle, and the end of the slide plate located inside the feed frame being inclined downward, a limiting airbag being arranged at the end of the slide plate located inside the feed frame, and when the end of the slide plate located inside the feed frame is inclined downward and moves, the limiting airbag contracts to facilitate feeding. The pretreatment device for defatting animal meat residue to produce meat and bone meal is provided with structures such as a slide plate, a guide plate, and a limiting airbag, and the slide plate cooperates with the guide plate to prevent the splashing of hard materials, thereby improving the safety of the use of the pretreatment device; during the feeding process, the slide plate swings back and forth, and with the cooperation of the limiting airbag, periodic interval feeding is achieved, thereby improving the efficiency of material crushing.

The invention provides a degreasing agent and a body-in-white pretreatment process. The degreasing agent comprises a compound agent, and the compound agent comprises the following components in percentage by weight: 1%-5% of hydroxide, 50%-60% of carbonate, 20%-30% of silicate, 5%-10% of sodium pyrophosphate and 13%-20% of a chelating agent. The body-in-white pretreatment process comprises the following steps: a flood water washing procedure: washing and preheating a plate of a body-in-white; a pre-degreasing step in which a pre-degreasing bath solution is sprayed onto the surface of the plate by means of spraying; a main degreasing procedure, specifically, a main degreasing bath solution containing the degreasing agent is used for conducting degreasing treatment on the plate, the free alkalinity of the main degreasing bath solution is controlled to range from 16 Pt to 19 Pt, and the oil content of the main degreasing bath solution is controlled to be smaller than 3.0 g / L; and an industrial water washing procedure: washing the plate to remove the main degreasing bath solution remaining on the surface of the plate.

The invention discloses a crushing and enzymolysis process for obtaining silkworm chrysalis ACE inhibitory peptide, and belongs to the technical field of protein peptide enzymolysis. Degreased silkworm chrysalis meal is used as a raw material, a raw material stirring and air filtering structure is optimized based on the enzymolysis principle of crushing and stirring the raw material, and in the water phase dissolving process, the enzymolysis efficiency is improved; the degreased silkworm chrysalis meal is efficiently dispersed downwards along the conical surface on the flow guide and gas filtration assembly by utilizing the plurality of liquid injection pipes, and the formed suspension liquid is preheated in the preheating space, so that the enzymolysis reaction of subsequent enzymolysis liquid is favorably improved, and in the enzymolysis reaction process, the stirring assembly periodically rotates, and the stirring efficiency is improved. Multi-point stirring exhaust and top scraping actions are set, so that waste gas in enzymatic hydrolysate is comprehensively and effectively collected, the waste gas is subjected to internal and external dual filtration through a filter disc and a filter material, and viscous solid substances intercepted on the filter disc fall into an enzymolysis space again along with scraping of a stirring assembly to be subjected to an enzymolysis reaction.

The invention relates to a preparation method of formula milk powder. The method comprises the following steps: mixing: mixing a base milk raw material solution, a skimmed milk raw material solution, a demineralized whey raw material solution and other optional non-temperature-sensitive components allowed to be added; a spray drying step, wherein the mixed material obtained in the mixing step is subjected to spray drying to obtain powder; wherein in the mixing step, the base milk raw material liquid is pasteurized emulsion directly from animals; the skimmed milk raw material liquid is an emulsion obtained by centrifugally degreasing animal milk; the desalted whey raw material solution is an emulsion obtained by subjecting animal milk to whey separation and whey desalination, the whey separation is performed by membrane separation, and the whey desalination is performed by membrane separation to remove salt from the whey. According to the preparation method disclosed by the invention, the denaturation rate of Maillard reaction products and whey protein in the formula milk powder is effectively reduced, and meanwhile, the reconstituability and digestion and absorption properties of the product are improved.

This application relates to a method for preparing high-RS resistant rice flour using rice broken rice or rice, and the application of high-RS resistant rice flour in the preparation of low-GI yogurt. This application improves the prior art. By controlling the feeding speed and screw speed, and increasing the temperature in the cooking zone (melting zone), and cooperating with a specific length-diameter ratio, the pressure formed at the die is regulated to reduce the mechanical damage caused by high shear force during the extrusion puffing process, so that the content of resistant starch (RS) in rice is significantly increased, from 7.40% in the raw material zone to 33.79% in the extrusion zone. Further, in combination with a specific retrogradation method, the content of RS-type resistant starch is increased from 7.40% in the raw material zone to 39.98% after the retrogradation treatment, that is, an increase of 5-6 percentage points on the basis of the extrusion zone. The present invention adds high-RS resistant rice or rice broken rice flour to skim milk, and the prepared set yogurt has a low GI value, strong water holding capacity, a good protein cross-linking structure, a delicate and smooth taste with Q elasticity, and a rich and mellow flavor.

The invention discloses a nanopore filtering and separating medium as well as a preparation method and application thereof, a polymer-based nanopore medium with accurate pore size distribution is constructed through a template-induced self-assembly technology, and efficient interception of milk fat components and selective permeation of whey protein are realized in combination with a surface functionalization modification strategy. Based on a size screening and electrostatic repulsion synergistic mechanism, milk fat enrichment and milk protein purification are synchronously completed under mild operation conditions, and energy consumption and component loss in a traditional process are remarkably reduced. And the long-term operation stability is maintained by regulating and controlling the structure parameters and surface chemical characteristics of the nano-pore channel. The technology provides an innovative solution for developing high-purity buffalo milk fat products and defatted buffalo milk products.

The invention relates to the technical field of ceramic microspheres, in particular to a ceramic microsphere preparation method based on microflow regulation and control, which comprises the following steps: step 1, preparing raw material colloid for forming ceramic microspheres; step 2, putting the raw material colloid into a container, wherein the container is connected with a micro-flow dripping nozzle; 3, the extrusion amount of a micro-flow dripping nozzle is adjusted and controlled according to the size of the needed microspheres, a cylinder body containing oil is arranged, the micro-flow dripping nozzle is located above the cylinder body and is a certain distance away from the cylinder body, the extruded raw material colloid is dripped into the oil liquid in a free falling mode, the density of the selected oil liquid is smaller than that of the raw material colloid, and the micro-flow dripping nozzle is arranged in the cylinder body; enabling the raw material colloid dripped into the oil liquid to gradually descend in the oil liquid and form microspheres, and irradiating the raw material colloid with ultraviolet light to form a microsphere-shaped area in which the microspheres gradually descend, so as to obtain a ceramic microsphere prepolymer; 4, the ceramic microsphere prepolymer is degreased and sintered, and the ceramic microspheres are obtained.By means of the method, the ceramic microspheres uniform in size can be accurately, rapidly and flexibly produced, and the method has the advantage of being easy to operate.

The invention provides low-GI oat bran and cistanche skin residue brewing powder and a preparation method thereof, and belongs to the technical field of food processing. The preparation method comprises the following steps: respectively cleaning, drying and crushing the oat bran and the cistanche peel pomace, degreasing and curing the oat bran powder, uniformly mixing the oat bran powder with the cistanche peel pomace powder subjected to ultrasonic treatment, spray drying and radio frequency sterilization treatment, the xylitol and the konjaku flour, and finally performing vacuum nitrogen-filled packaging to obtain the brewing powder. According to the method disclosed by the invention, nutritional active ingredients of the raw materials are effectively reserved, the reconstituability and taste of the product are improved, and the prepared blending powder has the characteristic of low glycemic index, is suitable for people needing to control blood sugar, and also has certain oxidation resistance.

The invention discloses a fish collagen peptide enzymolysis process, and relates to the technical field of fish collagen production, and the technical scheme is as follows: the fish collagen peptide enzymolysis process specifically comprises the following steps: S1, cleaning, cutting and freezing pretreated raw materials, mincing meat and degreasing; s2, extracting; s3, performing enzymolysis catalysis; s4, carrying out inactivation; s5, removing fishy smell and smell; s6, filtering; s7, performing concentration; the fish collagen peptide enzymolysis process has the beneficial effects that impurities and undesirable components in the raw materials are effectively removed through the fine pretreatment step, so that the purity and the quality of the final product are improved, the condition is strictly controlled in the enzymolysis process, collagen is ensured to be uniformly and efficiently decomposed into small molecule peptide fragments, and the enzymolysis quality of the fish collagen peptide is improved. The method has the advantages that the method is favorable for improving the solubility and the bioavailability of the product, the enzymolysis efficiency of the collagen is improved by optimizing the freezing temperature, the extraction temperature and the enzymolysis conditions, the higher hydrolysis degree is obtained, and the production efficiency is high.

The invention discloses a sheepskin edible processing method, and belongs to the technical field of food processing. The method mainly solves the problems that in the prior art, sheepskin degreasing is not thorough, the risk of chemical degreasing agent residue is high, and a solvent and a stabilizer are difficult to efficiently recycle. According to the technical scheme, the method is characterized by comprising the steps that firstly, unhaired wet sheepskin is placed in a hot water treatment tank, meanwhile, mechanical rolling and kneading are conducted, medium-frequency ultrasonic treatment is assisted, and primarily degreased sheepskin is obtained; then the sheepskin is transferred to an O / W type Pickering emulsion tank to be subjected to deep degreasing treatment, and the degreasing end point is accurately controlled by monitoring the change rate of the emulsion conductivity in real time; and then centrifuging to remove the emulsion on the surface to obtain the edible sheepskin with low fat content. And finally, distilling the separated emulsion, recovering the n-heptane solvent, and meanwhile, recovering the ferroferric oxide core-shell magnetic particles through magnetic separation and recycling the ferroferric oxide core-shell magnetic particles. The method is mainly used for processing the sheepskin into the edible collagen raw material with high efficiency, low residue and low cost.

The utility model discloses low-temperature drying and degreasing equipment for chicken, and belongs to the technical field of degreasing. Comprising an ultrasonic cleaning machine body, a water outlet is formed in the edge side of the bottom end of the ultrasonic cleaning machine body, mounting bases are arranged on the two sides of the interior of the ultrasonic cleaning machine body, a connecting base is arranged in the ultrasonic cleaning machine body, sliding blocks are arranged on the two sides of the connecting base, and the sliding blocks extend into the mounting bases. Chicken can be placed in the placing box body, then the placing box body is moved, after degreasing operation is completed, the placing box body can be moved to the position of the drying fan body, then air flow blown out by the drying fan body completes drying treatment on the chicken, meanwhile, the air flow can drive the supporting base to rotate, and the chicken can be placed in the placing box body. And therefore, the supporting base rotates to drive the containing box to rotate, and the drying effect is better.

The invention discloses a large-size composite board based on coffee grounds and a preparation method of the large-size composite board. The method comprises the following steps: firstly, degreasing coffee grounds through a supercritical or near-supercritical carbon dioxide extraction process to obtain low-grease and high-stability coffee grounds powder; and fully mixing the degreased coffee residue powder with high-density polyethylene powder in a dry state. And finally, carrying out long-time hot press molding (such as 1 hour) under the conditions of high temperature of 160-200 DEG C and high pressure of 1000-3000 tons, so as to stably prepare a large-size plate (1500 * 3000 mm). According to the method, the filling proportion of the coffee grounds can be remarkably increased, the peculiar smell and the mildew risk are reduced, and the excellent performance of the plate in the aspects of mechanical property, flatness and durability can be guaranteed. Meanwhile, the coffee oil obtained through extraction can be applied to the fields of cosmetics or fragrances and the like, and the resource utilization value is improved. The method is simple in process, environment-friendly, feasible, suitable for industrial production of large composite boards of various specifications and wide in application prospect.

The invention relates to a solid detergent strip that is produced and made up of natural active ingredients and formed by thermal action and extrusion. The natural formulation of said strip allows water to be saved and the environment to be protected, since the chemical pollutants contained in conventional detergents are eliminated. Therefore, combining different natural compounds, subjected to different temperatures and by means of the extrusion technique, produces a solid detergent strip, which when used in the centre of a sponge and placed in contact with a minimal amount of water, begins to activate its degreasing power and make constant foam for dishwashing, using hardly any running water. It is important to note that the formulation thereof does not contain water.

The invention belongs to the technical field of degreasing, and particularly discloses tea seed oil degreasing equipment which comprises a shell and a support located at the bottom of the shell, a filter bag and a clamping assembly for limiting the filter bag are arranged in the shell, and the clamping assembly comprises a positioning ring, a vertical rod, a top ring, an elastic piece strip and a clamp; a driving part is installed at the center of the bottom of the shell, a rotating assembly is installed at the output end of the driving part, a positioning ring is installed at the top of the rotating assembly, a top ring is fixed to the top face of the positioning ring through a plurality of vertical rods, a feeding port is formed in the center of the top face of the shell, the top ring is located in the feeding port, and the outer side face of the circumference of the top ring is attached to the inner side wall of the feeding port. Through the elasticity of the elastic piece strip, the clamp and the positioning ring can conveniently clamp filter bags made of different materials, meanwhile, the filter bags can be conveniently and rapidly replaced, and the situation that the degreasing efficiency of the filter bags is reduced due to excessive fat accumulation is avoided.

The invention discloses an eucommia ulmoides wood controllable carbonization-gradient hooping phenol fragrance barrel for white spirit, and belongs to the technical field of wine brewing equipment. In order to solve the problems that a traditional oak barrel is high in cost, an eucommia wood barrel is incomplete in pretreatment, uneven in structural stress and poor in flavor controllability, eucommia wood with the tree age of 18-22 years is adopted as a base material, and pretreatment of segmented steaming, microwave degreasing and gradient drying is conducted; the barrel body is provided with a controllable carbonization modification layer, a 304 stainless steel gradient hoop enhancement layer, a triple-closing sealing layer and a flow guide groove functional layer, and a composite fragrant juice activation process is matched. The barrel can dissolve active ingredients of eucommia ulmoides such as geniposide and aucubin, the leakage rate is smaller than or equal to 0.05%, the content of guaiacol is increased by 42 times compared with a traditional pottery jar, the cost is reduced by 60% compared with an imported oak barrel, and the barrel is suitable for high-quality ageing of Chinese high-degree white spirit.

This invention relates to the field of nutritional food technology, specifically to a fat-reducing composition for regulating the gut and its preparation method. The fat-reducing composition for regulating the gut comprises the following components by weight percentage: 20-25% solid coconut diglyceride microcrystalline powder, 15-20% fermented gel freeze-dried powder, 3-5% citrus pectin, 8-12% psyllium husk powder, 10-15% defatted coconut powder, 5-8% resistant dextrin, 8-10% pea protein powder, 3-5% freeze-dried mango powder, 4-7% erythritol, 1-2% microcrystalline cellulose, and 0.5-1% citric acid powder. This invention effectively solves the core problems of traditional fat-reducing products—poor ingredient stability, low bioavailability, and limited efficacy—through the dual progressive effects of physical structure and biological fermentation. It systematically achieves a synergistic effect of delaying fat digestion and absorption, long-lasting satiety enhancement, and precise regulation of gut microbiota health, completing a systematic engineering leap from single-component stimulation to simulating human metabolic pathways. This provides a stable, efficient, and safe complete solution for fat-reducing functional foods that regulate the gut.

The present application relates to a kind of calcium peptide chelate based on defatted sheep bone powder homologous recombination and its preparation method and application, preparation method, including the following steps, defatted sheep bone powder is mixed with water, flavourzyme is added to carry out enzymolysis, enzyme is inactivated after enzymolysis, and the enzymatic hydrolysate containing bone-derived peptide is obtained;Lactic acid is added in enzymatic hydrolysate and is hydrolyzed, so that calcium ion is dissolved, and the mixed solution containing bone-derived peptide and calcium ion is obtained;Mixed solution is carried out chelation under neutral condition, after reaction, aftertreatment is carried out, and calcium peptide chelate is obtained;Calcium peptide chelate prepared according to the above preparation method is used as salty taste enhancer, salt-reducing auxiliary agent or flavor enhancer, and its application in food.The present application has the advantages of homologous resource recombination, improves chelation rate, raw material utilization rate is high, realizes sheep bone by-product high value, process safety, can add chelate to clear soup base material, so as to reduce sodium, the effect of calcium supplement, salty seasoning.

1. Name of the design product: Packaging bag (skimmed high-calcium milk powder of Zhenyuanfang colostrum powder). 2. Use of the design product: For packaging milk powder. 3. Design key points of the design product: The combination of shape and pattern. 4. Picture or photo that best shows the design key points: Front view. 5. The design for which protection is claimed includes color. 6. This design product is a thin product, and the left view, right view, bottom view and top view are omitted.

The utility model relates to the technical field of oil removal agent production, in particular to a towel gourd sugar removing agent production preheating device which comprises a material conveying barrel, an auger is movably connected to the left side of the inner wall of the material conveying barrel, a transmission box is fixedly connected to the right side of the material conveying barrel, and a water bath barrel is arranged in the middle of the outer wall of the material conveying barrel in a sleeved mode. An adjusting box is fixedly connected to the left side of the upper portion of the water bath barrel, a control table is fixedly connected to the left side of the front portion of the adjusting box, a conveying mechanism is arranged in the transmission box, and an adjusting mechanism is arranged in the adjusting box. According to the utility model, the conveying and heating of the degreasing agent and the adjustment of the heating area are realized, and the high efficiency and the adjustability of the device are improved.

The invention provides a preparation method for making 3D printing snacks based on insect protein powder. The preparation method comprises the following steps: mixing degreased insect protein powder with a thermal stability tackifier; adding composite liquid containing glycerol and sodium citrate, and shearing to form gel-like paste; a preliminary thermal response structure is constructed through low-temperature curing; carrying out layer-by-layer deposition printing by utilizing temperature control food 3D printing equipment; and after printing, normal-temperature standing is performed to realize structure self-stabilization. According to the preparation method disclosed by the invention, the compound polysaccharide and the protein structure stabilizer are combined for use, a supporting framework with thermal response crosslinking capability is introduced in a raw material mixing stage, and a gel-like paste with viscoelasticity and rheological stability is formed by matching a compound liquid containing sodium citrate and a controlled shearing technology; and preliminary establishment of a three-dimensional microstructure network is realized through low-temperature curing, so that the anti-bleeding capability and the thermal structure maintaining capability of the paste in the heating and deposition processes are effectively improved, and the problems of line fracture and interlayer separation in a traditional scheme are avoided.

The invention relates to a novel amino acid foliar fertilizer and a preparation method thereof, and belongs to the technical field of agricultural fertilizers. The method aims at solving the technical problems that in the prior art, the amino acid conversion rate is low, product stability is poor, and severe conditions such as strong acid and strong alkali are possibly used. The method comprises the following steps: mixing soybean meal, fish meal and saccharomyces cerevisiae thalli to form a compound protein raw material, performing two-stage crushing and degreasing, performing step-by-step enzymolysis by adopting a compound enzyme preparation compounded by alkaline protease and flavourzyme, performing enzyme deactivation, and performing ultrafiltration by adopting a ceramic membrane to obtain purified amino acid hydrolysate, and mixing the hydrolysate with a composite trace element mixed solution formed by EDTA-Fe, EDTA-Zn, boric acid, ammonium molybdate and citric acid, adding humic acid, a seaweed extract and an organic silicon penetrant, and carrying out high-speed shearing, filtering and vacuum degassing to finally obtain the product. The method is mainly used for producing the amino acid foliar fertilizer which is high in free amino acid content, good in stability and easy to absorb by plants.

This invention provides a highly soluble defatted egg yolk powder and its preparation method, comprising the following steps: adding water to defatted egg yolk powder to obtain a defatted egg yolk powder suspension; ultrasonic pretreatment (U); enzymatic hydrolysis to obtain a modified defatted egg yolk powder solution (E); enzyme inactivation and sterilization (P); ultrasonic post-treatment (U); and sequentially performing vacuum concentration, drying, grinding, and sieving to obtain highly soluble defatted egg yolk powder. By utilizing a combined ultrasonic-enzymatic-sterilization-ultrasonic treatment (UE-PU), the defatted egg yolk powder is modified to possess characteristics such as rapid dissolution, high solubility, and good dispersion stability. Emulsifying activity, emulsifying stability, foaming properties, and foam stability are also significantly improved. Furthermore, the product exhibits good stability in aqueous solution under relatively wide environmental conditions (temperature, pH value, salt concentration). Therefore, the highly soluble defatted egg yolk powder produced using the process of this invention can serve as a high-protein, low-fat, and low-cholesterol nutritional ingredient with broad application prospects in the food industry.

The invention relates to a powdery postbiotic intestinal conditioner for dogs and cats and a preparation method thereof. The powdery postbiotic intestinal conditioner comprises the following components: 20-30% of a postbiotic saccharomyces cerevisiae culture, 10-30% of fructo-oligosaccharide, 5-10% of elm bark powder, 30-40% of chicken powder and 5-15% of beer yeast powder. The preparation method comprises the following steps: carrying out vacuum low-temperature drying on the metagen saccharomyces cerevisiae culture, crushing into fine powder, and sieving; carrying out spray drying on the fructo-oligosaccharide to obtain powdery fructo-oligosaccharide with good fluidity; crushing the elm barks at low temperature, and sieving to obtain fine powder of the elm barks; performing high-temperature steaming on chicken, performing extrusion degreasing, performing low-temperature crushing, performing sieving, and performing hot-air drying on powder to obtain powdery uniform particles; carrying out vacuum drying on the beer yeast powder, and screening to obtain powdery yeast nutrition powder; the components are added into a double-shaft mixer to obtain the homogenized powdery postbiotic intestinal conditioner for dogs and cats. Various intestinal function raw materials are scientifically proportioned, and beneficial substances, dietary fibers and natural mucus protection components have a synergistic effect.

The present invention relates to a method for producing a plant-based protein concentrate from desolventized meal produced by hexane extraction of oleaginous plant material, and preferably from high quality desolventized and degreased meal, referred to as "white flakes". In particular, the present invention relates to significant improvements that allow the fine powder and dust contained in white chips to be appreciated by agglomeration of specific extractable and undegraded agglomerates of food grade quality. This improvement allows a significant increase in the yield of the extraction process without compromising the quality of the final plant-based protein concentrate.