73results about How to "High degreasing rate" patented technology

A beef-flavored essence preparation method, comprising the following steps of: degreasing cleaned ox bones at a high temperature crushing the ox bones by using a crusher after drying treatment for 30 minutes, and sieving by using a 100-mesh sieve to obtain ox bone powder; adding the ox bone powder into a reaction kettle, adding water into the reaction kettle in a material and liquid ratio of 1:14 to prepare an ox bone powder primer solution, adjusting the pH, adding a pepsase for enzymolysis for 3 hours and then adding a compound enzyme in proportion for further enzymolysis, and on the basis, inoculating compound bacteria in a certain proportion to ferment to obtain a bone collagen peptide solution; carrying out Maillard reaction on the bone collagen peptide solution and a reducing sugar to obtain an essence base material; and then mixing the base material with marinade in a certain proportion, blending, concentrating and drying to obtain the beef flavor essence. The beef-flavored essence prepared by the preparation method in the invention has the advantages of being natural in raw material, pure in meat flavor, lasting in fragrance and the like, and is widely applied to foods such as instant noodles, soup bases, fast foods and the like so as to increase or endow the food with a unique meat flavor.

The preparation method for high-H-value oligopeptide from zein comprises, using corn powder as material, hypercritical CO2 liquid extracting to remove fat and smelly materials in said powder and extract zein; adding some water to the zein; taking extruding and modifying treatment at given temperature and pressure to increase its solubility; using two proleases for two-step enzymolysis to zein at given substrate concentration, enzyme concentration, pH value, and time condition; then, separating, purifying, drying, smashing and obtaining the product with F value more than 20.

The invention relates to a method for preparing chitin, L-calcium lactate and compound amino acid or peptide by performing microbial fermentation on carapace waste of shrimps, crabs and the like. The method comprises the following steps of: fermenting the carapace waste in seed solution of Lactobacillus rhamnosus CICC6003 and Bacillus subtilis CICC23579 to obtain the L-calcium lactate; and fermenting the carapace waste in the seed solution of Aspergillus oryzae CICC41477 to obtain the compound amino acid or the peptide and the chitin. By the method, decalcification, degreasing and deproteinization of the carapace waste of the shrimps, the crabs and the like can be realized, and high-quality chitin, L-calcium lactate and compound amino acid (peptide) series products can be prepared so as to realize comprehensive utilization of protein and calcium carbonate resources.

The invention discloses an extrusion forming agent, and preparation and use thereof, in particular to a forming agent for a tungsten-based alloy or hard alloy or ceramic powder extrusion forming process, and preparation and use thereof. The forming agent comprises 60 to 80 percent of solid and liquid paraffin wax, 3 to 8 percent of carnauba wax, 10 to 20 percent of high density polyethylene and ethylene-vinylacetate copolymer, 1 to 8 percent of plasticizer, 1 to 5 percent of stearic acid and the balance of modifier. In the invention, the drawbacks of long degreasing time, low degreasing conformality and more degreasing defects of extrusion blanks, particularly large-size extrusion blanks, are overcome, the raw materials are cheap and easy to purchase, the component compatibility of the prepared forming agent is high, the forming agent is used in a powder extrusion forming process, the micro structure of the forming agent is uniform, the forming agent has strong interaction force with powder, the formability is high, the quick and flawless degreasing of blanks with a thickness of 40 millimeters can be realize, the production efficiency is improved, and the development of extrusion forming industry is promoted greatly.

The invention provides feed for metal injection molding and belongs to the field of metal molding. The feed is prepared by mixing 9.2-10.5 wt% of binder with 89.5-90.8 wt% of metal powder. The metal powder laser grain size distribution D90 ranges from 18 micrometers to 30 micrometers. The binder comprises polyformaldehyde, a high-molecular polymer, a plasticizer, a surfactant, a compatilizer and lubricant. A preparation method of the feed includes the steps that the binder is obtained after polyformaldehyde, the high-molecular polymer, the compatilizer, the plasticizer, the surfactant and the lubricant are mixed to be uniform at the temperature of 150-200 DEG C; the feed is prepared after the binder and the metal powder are mixed. The feed is high in fluidity, the binder is easy to remove, and the obtained product is high in dimensional precision and small in impurity content. The preparation method of the feed is easy and convenient to operate, the uniform feed can be efficiently obtained, various ingredients in the feed are not damaged, and the use effect of the feed is well guaranteed.

The production process of active corn polysaccharide with corn coating includes eliminating impurity and starch, drying, crushing to obtain corn coating powder; supercritical CO2 fluid extraction to eliminate most of the fatty matter and bad smell; adding proper amount of drinking water or other supplementary material and extruding at certain pressure and temperature; and drying and crushing to obtain the active corn polysaccharide containing great amount of corn diet fiber. The said production process has the full utilization of the material and no environmental pollution, and the product has obvious blood fat reducing, weight reducing and constipation treating effects.

A method for preparing pine mushroom active polysaccharides, which belong to health food process technology. The process comprising removing the foreign matter in the pine mushroom, drying and disintegrating; supercritical extracting the powder with carbon dioxide, which can remove most of the lipid matter and odorant; adding proportional drinking water and extracting water-solubility active polysaccharides under certain temperature and for a certain long time; filtering to get the active polysaccharides solvent; then carrying out the process of vacuum concentration, sediment with alcohol, separation, drying and getting the product, filter residue can be used to prepare high-fiber food if treated properly. The invention is characterized by the increase of the extraction rate and biological active, no denaturation of the raw material in extraction process and no pollution in whole production process, and the full utilization of the raw material.

The invention relates to a preparation method for a piston by powder injection molding. The preparation method for the piston by powder injection molding sequentially includes the following steps of pelletizing, wherein metal powder and a binding agent are mixed through an internal mixer to form granules with the rheological property; injection molding, wherein the granules are injected into a mold cavity in the piston shape to form a blank; degreasing, wherein part of the binding agent in the blank is removed, and a degreasing solvent is aviation kerosene; and sintering, wherein the binding agent is removed, and the piston is obtained. The preparation method for the piston by powder injection molding has the beneficial effects that the degreasing rate is high, product performance is good, and the production cost is low.

The invention discloses a preparation method of mullet protein source antioxidant peptide. The method comprises the following steps: preparing fresh mullet into minced fish, performing freeze drying on the minced fish, and crushing the minced fish, so as to obtain freeze-dried fish meal; defatting the freeze-dried fish meal through ethyl acetate, performing freeze drying, and curshing, so as to obtain defatted mullet protein power (GM); performing enzymolysis on the defatted mullet protein power (GM), performing centrifugation, and performing freeze drying on obtained centrifugate, so as to obtain crude antioxidant peptide (HGM). The crude antioxidant peptide (HGM) is further separated and purified, so that the mullet protein source antioxidant peptide is obtained. Through the method, mullet protein source antioxidant peptide with high antioxidant activity can be obtained.

The invention relates to a preparation method of a tungsten-nickel-iron alloy counterweight block injected and molded by metal powder. A preparation method of an alloy counterweight block injected and molded by powder comprises the following steps in sequence: pelleting by blending metal powder with an adhesive in an internal mixer to form pellets with rheological properties; injecting and molding by injecting the pellets into a die cavity with the shape of the alloy counterweight block to form a blank part; degreasing by removing part of the adhesive in the blank part, in which a degreasing solvent is aviation kerosene; and sintering by removing the adhesive to obtain the alloy counterweight block. The preparation method of the tungsten-nickel-iron alloy counterweight block injected and molded by the metal powder has the advantages that the degreasing rate is high, and the product is excellent in performance and low in production cost.

The invention relates to a preparation method of a coix seed extract. The method comprises the steps as follows: S1, drying and crushing coix seeds to obtain coix seed flour; S2, removing starch and fat in the coix seed flour through acid treatment and addition of a degreasing agent; S3, performing dynamic superhigh-pressure microfluidization treatment on coix seed pulp to promote dissolution extraction of polysaccharide and protein in the coix seed pulp; S4, adjusting the mass concentration of the coix seed pulp, adding an ionic strength regulator to regulate the ionic strength of the coix seed pulp, and adjusting the pH of the coix seed pulp; S5, adding an organic polymer adsorbent to the coix seed pulp to adsorb protein and polysaccharide agglomerates; S6, performing standing and filtration, collecting a filtered-out organic polymer adsorbent, and sequentially eluting polysaccharide and protein; and S7, removing starch and grease again through low-temperature settlement and centrifugal degreasing to finally prepare a coix seed emulsion containing polysaccharide and protein. The prepared coix seed emulsion is compounded into instant compound coix seed flour.

The invention provides an efficient degreasing method based on the catalytic hydrolysis function of lipase on animal skin grease and application of the efficient degreasing method. The method is characterized in that the catalytic hydrolysis reaction of the lipase on the animal skin grease is carried out by stages, and in the enzyme action initial stage, grease in the animal skin is catalyzed to be hydrolyzed under the optimum pH value of the lipase; and in the reaction, alkali and a fatty acid dispersing agent are added later, soluble soap is formed by fatty acid in situ to enter a water phase, product fatty acid and grease molecules are separated in time, the product inhibition and surfactant inhibition functions of the lipase catalytic reaction are eliminated, the lipase generates superactivity, the enzymatic catalysis efficiency is improved, no surfactant needs to be added, and solvent and surfactant free efficient degreasing of the animal skin is achieved. The method is suitable for carrying out efficient degreasing on the animal skin in the processes such as tanning, fur coat making, glue making and polypeptide and active substance extracting with any animal skins as raw materials.

The invention relates to a method for extracting omega-6 polyunsaturated fatty acid from plant seeds, eliminating impurities from the plant seeds, properly preprocessing and then roughly crushing, making microwave vibration to break their walls and rapidly drying and finely crushing to make them into powder of a certain size, making supercritical CO2 fluid extraction on the made powder, selectively extracting, separating and purifying omega-6 polyunsaturated fatty acid in the raw material on proper conditions. The invention fully uses the raw material, and does not produce waste residues and waste steam and pollute the environment. The products have high physiological activity and excellent taste.

The invention provides an extraction method of sea cucumber collagen. The extraction method comprises the operation steps of (1) deodorization, (2) degreasing; (3) stepwise enzymolysis, (4) alcohol precipitation and (5) ultra-filtration and drying. The method has the beneficial effects that enzymolysis is carried out on endonuclease papain and chymotrypsin, the exposure rate of amino acid restriction enzyme sites of the sea cucumber collagen is increased, enzymolysis is carried out on exonuclease flavourzyme, full enzymolysis is carried out on the sea cucumber collagen, and the amount of the sea cucumber collagen is increased, so that the yield is improved; the finally obtained sea cucumber collagen is high in purity and small in molecular weight, can directly reach a skin corium layer, the moisture is locked, the elasticity of the skin is increased, wrinkles are smoothed, the sea cucumber collagen is high in activity and high in antioxidant ability, in vivo free radicals are removed and the sea cucumber collagen plays an anti-aging role. The method is simple in operation step, the sea cucumber collagen can be obtained, a lot of by-products with high economic value can be obtained, the added economic value of sea cucumber is increased and a new way is added for treatment of the sea cucumber.

The invention provides a preparation method for Chinese forest frog antioxidative peptide. The preparation method comprises the first step of pretreatment, the second step of degreasing, the third step of enzymolysis, the fourth step of enzyme deactivation and the fifth step of antioxidative peptide preparation. The preparation method has the beneficial effects that in the enzymolysis process, an enzymolytic agent comprises components including, by weight, 5-10 parts of papain, 12-20 parts of flavourzyme, 1-3 parts of magnesium sulfate, 2-5 parts of cysteine, 1-3 parts of monocalcium phosphate, 0.5-1.5 parts of vitamin A and 2-5 parts of sodium dodecyl sulfonate. As the enzymolytic agent is used for carrying out enzymolysis on Chinese forest frog protein, conditions are mild, and the polypeptide activity cannot be destroyed; and the enzymolysis efficiency is high, and the preparation time is shortened. The Chinese forest frog antioxidative peptide prepared through the method is high in extraction rate, purity, polypeptide and antioxidative performance and suitable for industrialized production, and preparation operation is easy.

The invention discloses a squid protein beverage and a preparation method thereof. The squid protein beverage comprises the following ingredients in parts by weight: 3-5 parts of squid protein, 1-2 parts of concentrated fruit juice, 0.06-0.08 part of citric acid, 0.3-1 part of amino acids, 0.01-0.03 part of peach gum, 2-4 parts of glucose, 0.01-0.03 part of menthol, 0.01-0.02 part of sucrose fattyacid ester, and 80-100 parts of water. The squid protein beverage disclosed by the invention has the following beneficial effects: the ingredients of the squid protein beverage synergistically take an effect so as to enhance functions, and thus, the squid protein beverage has relatively strong antioxidant activity; moreover, the squid protein beverage has aroma and refreshing taste of mint, and is capable of exerting the best effects of the protein beverage and improving stability of the protein beverage. The preparation method of the squid protein beverage is simple and feasible; moreover, squid protein degreasing rate and yield are high during the preparation processes so that thermal denaturation temperature of proteins is increased. And thus, the prepared squid protein beverage is stable in system, rich in a plurality of active substances, and good in sensory evaluation.

The invention relates to a method for manufacturing a sampler through powder injection moulding. The method for manufacturing the sampler through powder injection moulding sequentially comprises the following steps of granulation, namely metal powder and a binder are blent through a smelting machine so as to become granules with rheological property; injection moulding, namely the granules are injected into a mould cavity with the shape of the sampler to form a workblank; degreasing, namely part of the binder in the workblank is removed, and aviation kerosene is adopted as a degreasing solvent; and sintering, namely the binder is removed to obtain the sampler. The method for manufacturing the sampler through powder injection moulding has the advantages that the degreasing rate is high; the product property is good; and the production cost is low.

The invention discloses a defatting method of fat-containing protein powder and a preparation method of compound amino acid chelated calcium. In the defatting method disclosed by the invention, one or more than one of alkali metal hydroxide, alkali metal carbonate and alkali metal bicarbonate is used for defatting the fat-containing protein powder, operation is simple and feasible, defatting rateis high, and content of amino acid chelated calcium in the compound amino acid chelated calcium product prepared by defatting protein powder raw material by adopting the defatting method is high and meets the national food grade requirement. Compared with the traditional defatting method, the defatting method disclosed by the invention requires no strict explosionproof safety device, operation process is simple, price of the required thermostatic equipment is greatly lower than that of carbon dioxide supercritical extraction equipment, and production cost is saved while potential production safety hazard is reduced. The method for preparing the compound amino acid chelated calcium disclosed by the invention has available raw materials and simple synthetic process, steps of smashing, deacidifying, decolorizing and recycling and distilling reagent are eliminated, and cost is reduced.

The invention provides a cooking utensil, a control method, a device and equipment of the cooking utensil and a storage medium. The control method of the cooking utensil comprises the steps that a heating assembly is driven to heat and cook food materials; an ultrasonic signal for the ultrasonic generation assembly is generated, and the ultrasonic generation assembly is driven to perform ultrasonic cooking on the food materials according to the ultrasonic signal. The method comprises the following steps: heating and cooking food materials; according to the cooking method, the food materials are subjected to ultrasonic cooking through the ultrasonic signals, fat in the food materials is removed through two degreasing modes of baking steaming degreasing and ultrasonic degreasing, and therefore the degreasing rate can be increased when the food materials with the high fat content are cooked, the fat content of the cooked food materials is low, and the low-fat healthy diet of a user is met.