42results about How to "Avoid the Maillard reaction" patented technology

There is provided a process for the prevention and / or reduction of Maillard reaction in a foodstuff containing (i) a protein, a peptide or an amino acid and (ii) a reducing sugar, the process comprising contacting the foodstuff with an enzyme capable of oxidising a reducing group of the sugar.

The invention relates to a process for the production of well-preserving lactose-free and low-lactose milk products. The process of the invention is characterized by separating the sugars and proteins in a raw material, thermally treating them in such a manner that the plasmin enzyme system and other proteolytic enzymes are inactivated, and combining the fractions and other preparation agents into a drink with a required composition and properties.

The invention provides a method for extracting fructus cannabis oligopeptide from a fructus cannabis cake. The method comprises the following steps: collecting the fructus cannabis cake with the oil content of lower than 1%, adding water, regulating the pH value to 9.0, adding sodium metabisulfite, carrying out solid-liquid separation, and collecting the liquid phase; adding a HCl solution into the liquid phase, regulating the pH value to 3.8-4.3, standing, carrying out secondary solid-liquid separation, and collecting the precipitate; adding water, heating to 40-55 DEG C, regulating the pH value to 7.0-9.0, adding a compound protease, carrying out enzymolysis for 3-6 hours, carrying out centrifugal filtration, and collecting the clear solution which is the fructus cannabis oligopeptide solution; and carrying out electrodialysis, concentration and freeze-drying to obtain the fructus cannabis oligopeptide powder. The fructus cannabis cake subjected to press deoiling is used as the raw material, the isoelectric point principle is combined to precipitate the protein, and the compound protease enzymolysis and freeze-drying are performed to obtain the fructus cannabis oligopeptide. The whole process utilizes the pure physical technique, and no chemical component is added; and thus, the method has the advantages of low cost and no environment pollution.

The invention relates to a solid honey candy and a preparation method thereof. The solid honey candy comprises the following components in percentage by weight: 100 percent of liquid pure honey, 3 to 6 percent of edible solid gum and 0.7 to 3 percent of teeth stick-resisting agent, wherein the edible solid gum is selected from arabic gum, konjac gum and pectin, and the teeth stick-resisting agentis selected from lecithin, sucrose fatty acid ester and water-soluble glycerol monostearate. The preparation method of the solid honey candy comprises the following steps of: weighing the components in a weight ratio, dissolving the edible solid gum and the teeth stick-resisting agent in hot water, adding the solution into the liquid pure honey, dehydrating the obtained mixed liquid by a vacuum microwave heating method to ensure that water content is below 3 percent, performing cast molding at the temperature of between 60 and 70 DEG C, cooling and demolding to obtain the solid honey candy. The honey content of the solid honey candy is above 90 percent; the color, aroma, taste and nutrients of the original liquid honey are basically not changed; a solid shape can be kept at room temperature; and the edible teeth stick-resisting agent is added into the formula, so that the solid honey candy is not sticky to teeth and has good mouthfeel during chewing. The preparation method is easy.

The invention discloses a method for simultaneously separating chlorogenic acid and rutin from tobacco leaves. The method includes: weighting 200g of tobacco leave powder sieved through a 60 mesh sieve, dissolving the tobacco leave powder in water according to a material-liquid ratio of 1:20, setting temperature as 50 DEG C, and stirring and extracting the chlorogenic acid and the rutin for 120min. Petroleum ether is used for extraction and removal of oil-soluble impurities for collected filtrate, and then a chlorogenic acid and rutin extracting solution is obtained. Column chromatography isolation of the chlorogenic acid and the rutin is performed on the upper column of the extracting solution. Water of 5 times of the extracting solution in volume is first used for elution until no sugar can be detected in eluate. After the water is used for the elution, different concentration of ethanol replaces the used eluate for gradient elution. Two types of ethanol eluate 10-15% and 30-40% in concentration are respectively collected so as to obtain a chlorogenic acid solution and a rutin solution. The method for simultaneously separating the chlorogenic acid and the rutin from the tobacco leaves saves raw material and reagents, reduces development cost, and achieves good separating effects.

The invention discloses a preparation method of amino acid and glucose injection packaged by a dual-chambered bag. The method comprises the steps of using glucose and injection water to prepare a solution; using amino acid and injection water to prepare a solution and charging nitrogen into the solution; feeding the glucose solution and the amino acid solution to two chambers of the dual-chambered bag simultaneously; vacuumizing and then filling nitrogen; loading the filled dual-chambered bag into an outer bag with high barrier; vacuumizing, filling nitrogen for several minutes, and packaging; and putting the packaged dual-chambered bag to a sterilizing device to sterilize at 115-125 DEG C. The amino acid and glucose injection provided by the invention is packaged by the dual-chambered bag. Because the amino acid solution and the glucose solution are fed in two chambers separated by cold solder joint, Maillard reaction or other side effects between amino acid and glucose due to long-term contact during the sterilization and storage are prevented, and then the usage safety and efficiency of the product can be ensured.

The invention relates to a biological degradant for reducing viscosity and starch content in the sugar pressing industry, which is characterized by comprising the following ingredients by weight percent: 12-20 percent of glucanase, 8-12 percent of pectinase, 10-15 percent of xylanase, 15-25 percent of amylase, 5-10 percent of protease, and 20-25 percent of purified water. The biological degradant for reducing viscosity and starch content in the sugar pressing industry effectively degrades macromolecular viscous substances, such as pectin, starch, glucan, hemicellulose and the like brought by raw materials in sugarcane juice, reduces blocking risks, obviously reduces the content of starch in finished sugar, improves the quality of finished white sugar, shortens the time of boiling the sugar, saves the production cost, simultaneously reduces sucrose content to be brought into waste molasses by the macromolecular substances, and improves productivity.

The invention discloses a color value optimizing factor special for pressing sugar, which is characterized in that the color value optimization factor comprises the following compositions in percentage by weight: 20 to 35 percent of dextranase, 12 to 25 percent of pectase, 10 to 15 percent of laccase, 10 to 15 percent of xylanase, 2 to 4 percent of reducing sugar oxidase, 3 to 6 percent of antioxidant, and 8 to 20 percent of amylase. The color value optimization factor specially for pressing the sugar has the advantages that the color value optimizing factor special for pressing the sugar can effectively degrade macromolecular viscous substances and pigments such as pectin, anthocyanidin, protein, starch, dextran, hemicellulose and so on, brought by raw materials in cane juice, can also effectively control newly produced caramel pigment, products of a Maillard reaction and so on during the production process, reduce that macromolecular substances bring sucrose into waste molasses, and improve the productivity.

The invention discloses a thermal hydrolysis system and method for sludge. The thermal hydrolysis system for sludge comprises: a mixing unit; the mixing unit is used to mix lye and sludge to form a mixed material; a thermal hydrolysis unit; The thermal hydrolysis unit is used for hydrolyzing the mixed material at a predetermined temperature. The sludge thermal hydrolysis system and method of the present invention do not require excessively high pyrolysis temperature when thermally hydrolyzing sludge, can avoid the "Maillard reaction", are not easy to produce "melanoids" that are difficult to degrade, and improve production efficiency. biogas effect, and facilitate subsequent sludge treatment.

The invention discloses a method for extracting inulin by medium-low-temperature water. During raw material preprocessing, a color retention agent is added; extraction is carried out under the condition of medium-low-temperature water; the squeezing is carried out for many times by a belt type squeezing method; the occurrence of a Maillard reaction can be effectively inhibited; an active carbon decoloration process is not needed; the inulin loss in the inulin process is avoided; the yield of the inulin is improved; the production process is also simplified; the production cost is reduced. Compared with a spiral squeezing method, the belt type squeezing method has the advantages that the juice yield is improved; the operation is simple; the inulin extraction rate can reach higher than 95 percent; the color of the finally obtained inulin is pure; the purification is high; the energy consumption is reduced; the integral economic benefits are higher.

The invention discloses a method for extracting fructus cannabis oligopeptide from fructus cannabis cake meal. The method particularly comprises the following steps: collecting fructus cannabis cake meal with grease content being less than 1%, adding water, adjusting the pH to 9.0, adding sodium metabisulfite, performing solid-liquid separation and collecting liquid phase; adding a HCl solution into the liquid phase, adjusting the pH to 3.8 to 4.3, standing, performing solid-liquid separation for the second time and collecting precipitate; adding water, heating to 40 to 55 DEG C, adjusting thepH to 7.0 to 9.0, adding composite protease, performing enzymolysis for 3 to 6 hours, performing centrifugal filtration and collecting clear liquid, namely a fructus cannabis oligopeptide solution; performing electroosmosis, concentrating and freeze-drying to obtain the fructus cannabis oligopeptide powder. The fructus cannabis oligopeptide is obtained by taking the fructus cannabis cake meal, which is squeezed to remove oil, as a raw material with reference to an isoelectric point principle and protein precipitation, and according to the methods for performing enzymolysis by the composite protease and freeze-drying. In the whole process, a pure physical process is utilized, chemical components are not added basically, the cost is low, and environmental pollution is avoided.

The invention relates to pure plant oat milk with high emulsibility. The pure plant oat milk is prepared from the following raw materials in percentage by mass: 15-25% of oat, 5-8% of functional grease, 1-5% of dietary fibers, 0.02-0.5% of a stabilizer, 0.001-0.005% of a natural antioxidant and the balance of water, wherein the functional grease is laurel functional grease with the carbon atom number of 12 or functional grease containing Omega-3 fatty acid and Omega-6 fatty acid. The original structure of the oat protein is physically modified in an ultrahigh pressure and enzymolysis combined mode, the functional characteristics of the oat protein can be greatly improved through combination of ultrahigh pressure and enzymolysis, and especially the emulsifying property of the oat protein is remarkably improved; and the high-emulsibility pure plant oat milk has the advantages of good safety, mild effect and high production efficiency.

The invention discloses a prebiotics-containing goat milk tablet and a preparation method thereof. The method comprises the following steps of: purifying and standardizing goat milk; performing reduced-pressure concentration to obtain the raw material goat milk; performing spray drying of the raw material goat milk and cooling to room temperature to obtain goat milk powder; mixing the goat milk powder, sucrose, glucose, prebiotics and magnesium stearate to obtain prebiotics-containing goat milk powder; and preparing the prebiotics-containing goat milk powder into a prebiotics goat milk tablet by a single-stroke tablet press. In the invention, the prebiotics and the goat milk powder are mixed in a dry mixing mode, thus the Maillard reaction is avoided, and the color quality of the prebiotics goat milk powder is not influenced so as to avoid influence on the color of the prebiotics goat milk tablet. Meanwhile, the prebiotics added to the former patents is maltooligosaccharide, galactooligosaccharide, fructo-oligosaccharide, xylo-oligosaccharide, raffinose or the like; and in the invention, stachyose, trehalose, isomaltulose, oligochitosan and gentiooligsaccharide are added into the goat milk powder as prebiotics to prepare the goat milk tablet.

The invention discloses a method for preparing a sialic acid and oligo peptide mixture with malaysia's bird nets as raw materials. The method is characterized by including the steps that (1), malaysia's bird net sialic acid is extracted for the first time; (2), malaysia's bird net sialic acid is extracted for the second time; (3), malaysia's bird net oligo peptide is extracted; (4), an extractingsolution is concentrated; (5), drying is performed. The method has the advantages that the process is simple, the operation is easy, and the product is free of a foreign flavor; the prepared mixture has rich bird net sialic acid and oligo peptide. The method can avoid a maillard reaction and restrain generation of colored matter, and the prepared sialic acid and oligo peptide mixture has a white or milk white color.

The invention discloses a method for extracting high-purity rice glutelin, relates to a method for extracting rice glutelin, and aims at solving the problems of denaturation and hydrolysis of protein, intensified Mailard reaction and generated black brown substances in the existing method for extracting glutelin by virtue of diluted alkali. The method comprises the following steps: 1, grinding rice into rice flour; 2, degreasing the rice flour by normal hexane to obtain degreased rice flour; 3, removing albumin, globulin and prolamin from the degreased rice flour to obtain a sediment; 4, extracting glutelin from the sediment obtained in the step 3 by virtue of lactic acid; 5, mixing supernatants collected after digestion of each time, and carrying out protein precipitation on the mixed supernatant by a TCA solution; and 6, cleaning a sediment by a PBS buffer, and carrying out vacuum freeze drying on the cleaned sediment to obtain the rice glutelin. The rice glutelin extracted by the method disclosed by the invention has the purity as high as 93.67%-96.71%, and the method disclosed by the invention can be widely applied to large-scale industrialized extraction of rice glutelin.

There is provided a process for the prevention and / or reduction of Maillard reaction in a foodstuff containing (i) a protein, a peptide or an amino acid and (ii) a reducing sugar, the process comprising contacting the foodstuff with an enzyme capable of oxidising a reducing group of the sugar.

A flavor improving agent using material that has dietary history, i.e. material that has been eaten as food is provided, wherein the flavor improving agent suppresses peculiar smell of food and beverage. A composition containing extract from at least one plant selected from the group consisting of genus Crataegus of the family Rosaceae, genus Houttuynia of the family Saururaceae, genus Vitis of the family Vitaceae, genus Anthemis of the family Compositae, and genus Matricaria of the family Compositae is provided as the flavor improving agent for food and beverage. One of the extracts may be used alone or two or more of them may be used in combination. For example, a mixture of the extracts of the aforementioned four plants is preferable.

An injector for liquid medicine comprises a cylindrical body 1, first and second gasket 2, 3 contained in a lumen of cylindrical body 1. The cylindrical body 1 is provided with a fluid inlet 13 and a fluid outlet 14 in opposite sides of the cylindrical body 1 with respect to the longitudinal axis thereof. Second gasket 3 is spaced from the first gasket 2 to form a fluid chamber 4 between them. The first gasket 2 is adapted to be moved by sliding along the inner wall of the cylindrical body 1 from a first position to the distal end 11 of cylindrical body 1 via a second position. The fluid inlet 13 is opened at a position closer to the distal end 11 of the cylindrical body 1 than the outlet 14 is. The first gasket 2 is stopped at a second position where the fluid chamber 4 is communicated with the fluid outlet 14 but prevented from fluid-communication with the fluid inlet 13.

The invention discloses a health-care food composition with a physical fatigue relieving function and a preparation method thereof. A formula of the health-care food composition comprises the following components in parts by weight: 8.7 to 12.3 parts of guarana extract, 32 to 37 parts of taurine, 9.2 to 12.1 parts of glycine, 0.39 to 0.85 part of glutamic acid, 0.1 to 0.3 part of vitamin B1, 0.17 to 0.42 part of vitamin B2 and 1.5 to 3.6 parts of vitamin B6. The preparation method refers to the description. A preparation of the health-care food composition disclosed by the invention can be a beverage, a capsule, a tablet, a chewable tablet, a granular formulation, an oral solution, a soft capsule, paste, flowing liquid and semi-flowing liquid. A health-care product disclosed by the invention takes caffeine, the taurine and total amino acid as functional components; a safety toxicology test, a physical fatigue relieving function test, a hygienic test and a quality stability test show that the health-care food is safe, has no toxin and has a remarkable physical fatigue relieving health-care function.

The invention discloses novel tenofovir disoproxil fumarate tablets which are prepared by the following steps: mixing tenofovir disoproxil fumarate, a filling agent and a disintegrating agent, furtheradding a wet adhesive so as to obtain a soft material, preparing pellets by using an extrusion spheronization machine, drying the pellets till hydrochloric acid is volatilized, coating the pellets bya dampproof film so as to obtain tenofovir disoproxil fumarate pellets, adding the filling agent, the disintegrating agent and a lubricant into the pellets, performing uniform mixing, and performingpressing tabletting, so as to obtain the novel tenofovir disoproxil fumarate tablets. As a water solution of diluted hydrochloric acid is creatively used as the wet adhesive, degradation of the tenofovir disoproxil fumarate can be avoided; meanwhile, the coated pellets are mixed with lactose, so that the raw materials can be prevented from a Maillard reaction with the lactose; and the product quality is ensured, the medicine stability is improved, the medicine security is improved, and the preservation time of medicines can be prolonged.

An injector for liquid medicine comprises a cylindrical body 1, first and second gasket 2, 3 contained in a lumen of cylindrical body 1. The cylindrical body 1 is provided with a fluid inlet 13 and a fluid outlet 14 in opposite sides of the cylindrical body 1 with respect to the longitudinal axis thereof. Second gasket 3 is spaced from the first gasket 2 to form a fluid chamber 4 between them. The first gasket 2 is adapted to be moved by sliding along the inner wall of the cylindrical body 1 from a first position to the distal end 11 of cylindrical body 1 via a second position. The fluid inlet 13 is opened at a position closer to the distal end 11 of the cylindrical body 1 than the outlet 14 is. The first gasket 2 is stopped at a second position where the fluid chamber 4 is communicated with the fluid outlet 14 but prevented from fluid-communication with the fluid inlet 13.

The invention discloses a preparation method of recombinant instant salted duck eggs with desalted egg white. The preparation method of the recombinant instant salted duck eggs with desalted egg whitecomprises the following steps of firstly washing and disinfecting picked duck eggs, and carrying out soaking by using dilute acetic acid so as to remove membranes on surfaces of the duck eggs to improve permeability of the duck egg shell; carrying out pickling in combination under vacuum condition so as to facilitate permeation and diffusion of edible salt in the duck eggs, and thus, rapid maturing of yolks of the salted duck eggs is allowed; separating egg white from yolks of the duck eggs which have been maturely pickled, and removing the edible salt in the egg white by utilizing ultrafiltration means; removing glucose of trace amount contained in the egg white by utilizing glucose oxidase so as to avoid browning of the products when high-temperature sterilization is performed, and thus, the egg white is yellowish in color and luster, changed in taste, and reduced in mass; and finally, refilling the desalted and desugared duck egg white with the salted duck egg yolks, and carrying out high-temperature sterilization so as to obtain the recombinant duck eggs which are pure white in egg white, normal in flavor, oily in yolks, as well as loose and sandy in taste. The recombinant instant salted duck eggs with desalted egg white is sterilized by adopting high-temperature steaming so that the salted duck eggs can be instantly eaten after a bag is opened, and thus, the salted duck eggs are convenient to eat and good for human body health; moreover, excessive waste of the salted egg white is also avoided.

The invention provides a DDGS feed drying device and method. The DDGS feed drying device comprises a centrifugal machine, and the centrifugal machine is used for separating introduced waste mash into wet grains and centrifugal clear liquid; a thickener, which is communicated with the clear liquid outlet of the centrifugal machine and is used for concentrating the centrifugal clear liquid into concentrated liquid; a first drying machine, which is communicated with the centrifugal machine and the thickener, a mixed material formed by mixing the wet grains and the concentrated solution is introduced into a shell pass of the first drying machine, steam enters a tube pass of the first drying machine, and the first drying machine is used for drying the mixed material at high temperature and drying the mixed material until the moisture content is 18%-25%; and a second drying machine, which is communicated with the first drying machine, the mixed material dried by the first drying machine is introduced into the second drying machine, and the second drying machine is used for carrying out low-temperature drying on moisture in the mixed material and drying the mixed material until the moisture content is 11%-12%. The problem that feed products produced by a DDGS feed production process in the prior art are poor in quality is solved.

The invention belongs to the technical field of enzymatic hydrolysis of bovine collagen peptides, and in particular relates to a production process of bovine collagen peptides, including S1 cleaning, S2 denaturation, S3 enzymatic hydrolysis, S4 centrifugation, S5 enzyme inactivation, S6 impurity removal, and S7 finished product. The present invention has the following advantages and effects: the application uses ultrasonic technology, denaturation technology and enzymatic hydrolysis technology to work together, which can be conveniently adapted to cowhide from various origins; and the collagen peptide product produced by the technology provided by the application has good dissolution properties and dispersibility, good sensory quality, high yield, and a large amount of active polypeptides in the product make it have strong antioxidant capacity; the method of this application has relatively mild reaction conditions, low production energy consumption, and far superior process conditions and process effects in existing technical solutions.

The invention discloses a method for extracting inulin with medium and low temperature water. A color-protecting agent is added during raw material pretreatment, extracted under medium and low temperature water conditions, and pressed multiple times by a belt pressing method, which can effectively inhibit the Maillard reaction. Occurs, does not need to carry out the activated carbon decolorization process, avoids the loss of inulin in the decolorization process, improves the yield of inulin, also simplifies the production process, and reduces the production cost. Compared with the screw pressing method, the belt pressing method improves the juice yield and is easy to operate. The inulin extraction rate can reach more than 95%. The final inulin obtained has pure color and high purity, reduces energy consumption, and has high comprehensive economic benefits.

The invention relates to a highly emulsifying pure vegetable oat milk, which comprises the following raw materials in mass ratio: oat 15-25%, functional oil 5-8%, dietary fiber 1-5%, stabilizer 0.02-0.5%, natural Antioxidant 0.001~0.005%, the balance is water; the functional oil is one or more of coconut oil, palm kernel oil, linseed oil, perilla seed oil, cane fruit oil, macadamia nut oil combination. The present invention physically modifies the original structure of oat protein through the combination of ultra-high pressure and enzymatic hydrolysis. The combination of the two can greatly improve the functional properties of oat protein, especially for the emulsification of oat protein. effect, and has the advantages of good safety, mild action and high production efficiency.

The invention relates to a solid honey candy and a preparation method thereof. The solid honey candy comprises the following components in percentage by weight: 100 percent of liquid pure honey, 3 to 6 percent of edible solid gum and 0.7 to 3 percent of teeth stick-resisting agent, wherein the edible solid gum is selected from arabic gum, konjac gum and pectin, and the teeth stick-resisting agentis selected from lecithin, sucrose fatty acid ester and water-soluble glycerol monostearate. The preparation method of the solid honey candy comprises the following steps of: weighing the components in a weight ratio, dissolving the edible solid gum and the teeth stick-resisting agent in hot water, adding the solution into the liquid pure honey, dehydrating the obtained mixed liquid by a vacuum microwave heating method to ensure that water content is below 3 percent, performing cast molding at the temperature of between 60 and 70 DEG C, cooling and demolding to obtain the solid honey candy. The honey content of the solid honey candy is above 90 percent; the color, aroma, taste and nutrients of the original liquid honey are basically not changed; a solid shape can be kept at room temperature; and the edible teeth stick-resisting agent is added into the formula, so that the solid honey candy is not sticky to teeth and has good mouthfeel during chewing. The preparation method is easy.

The invention relates to a crisp squid ring and a processing method of the crisp squid ring. The squid meat is processed through the steps such as preprocessing, cutting, permeating preprocessing, steaming, permeating seasoning, drying dehydrating and puffing. The crisp squid ring is high in puffing rate, the puffing rate can reach up to 4, i.e. the size of the puffed squid ring is four times of the size of the squid ring before the puffing, the crisp squid ring is light and natural in color, fine in taste, unlikely to break, low in oil content and rich in nutrients. The squid ring is loose and crisp and free from slag particles, and the problem that the fish puffing food is coarse in taste can be effectively solved. The squid can be mechanically cut, so that compared with other fish puffing food processing method, the production efficiency can be effectively improved, and the production cost can be reduced.