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236 results about "Gel strength" patented technology

Composite soybean protein gel capable of improving gel performance by using TG enzyme and preparation method of composite soybean protein gel

The preparation method of the composite soybean protein gel comprises the following steps: adjusting the pH value of an egg white protein solution, carrying out heat preservation, adding protein glutaminase to carry out hydrolysis reaction, centrifuging, collecting supernate, and freeze-drying to obtain deamidated egg white protein; adding TG enzyme into the soybean protein isolate and deamidated egg white protein solution for enzymatic cross-linking reaction, centrifuging after enzyme deactivation, collecting supernate, and freeze-drying to obtain compound protein powder; dissolving the composite protein powder in water, stirring, and heating to form composite soybean protein gel; according to the preparation method disclosed by the invention, glutamine in the egg white protein is hydrolyzed by using the protein glutaminase, so that only the site of lysine is reserved, and then TG enzyme treatment is performed, so that the crosslinking of the egg white protein is avoided, and the content of disulfide bonds in the soybean protein is increased, thereby remarkably improving the gel strength and compression resistance of the composite soybean protein thermal gel.
Owner:JIANGNAN UNIV

Method for online monitoring gel strength change in surimi hot working process based on hyperspectral imaging technology

The invention relates to a method for on-line monitoring of gel strength change in a surimi hot processing process based on a hyperspectral imaging technology, and the method comprises the following steps: collecting original hyperspectral data of a surimi sample in a heating process, and determining the gel strength of the surimi sample; carrying out preprocessing on the original hyperspectral data; constructing a data set based on the preprocessed original hyperspectral data and gel strength; training and verifying a PLS (Partial Least Squares) model by utilizing the data set to obtain a gel strength prediction model; and monitoring the gel strength change in the surimi hot working process by using the gel strength prediction model. According to the invention, online, rapid and nondestructive monitoring of the gel strength in the two-stage heating process of the minced fillet in industry can be realized.
Owner:JIMEI UNIV

Milk-flavor jelly-shaped intelligent response type suckling pig creep compound feed and preparation method thereof

The invention discloses a milk-flavor jelly-shaped intelligent response type suckling pig creep compound feed and a preparation method, relates to the technical field of animal feeds, and aims to solve the problems that a traditional feed is poor in palatability, nutrition release and physiological needs are mismatched, thermosensitive components are damaged by a high-temperature process and the like. And accurate release of nutrients is realized. The feed comprises an energy raw material, a protein raw material, intelligent response components (pH-sensitive sodium alginate microsphere loaded sodium butyrate / glutamine, temperature-sensitive xanthan gum-locust bean gum compound gel coated antibacterial peptide, and enzyme-sensitive lysine-lysine peptide bond cross-linked layer embedded glucose compound enzyme), a flavor system (vanillin microcapsules) and a konjac gum jelly matrix. A pH-temperature-enzyme triple response mechanism is adopted to adapt to the gastric acid gradient, body temperature fluctuation and pancreatin activity of suckling pigs; milk flavor slow release and nutrition release are in space-time synergy, and the ingestion frequency is increased by 40%; the konjac glucomannan matrix reduces dust, and the gel strength is greater than or equal to 750g / cm.
Owner:JILIN XINFANGYUAN GRASSLAND FARMING TECH CO LTD

High-strength oyster protein gel as well as preparation method and application thereof

The invention discloses high-strength oyster protein gel as well as a preparation method and application thereof, and belongs to the technical field of protein gel preparation. The oyster meat is used as a raw material, the oyster protein isolate is obtained by adopting an alkali-solution and acid-isolation method, and the oyster protein isolate is subjected to pre-solidification and high-temperature induced deep crosslinking at a low temperature for an ultra-long time, so that the gel property of the oyster protein isolate can be remarkably improved; the prepared oyster protein isolate gel has the characteristics of smooth surface, high gel strength, high elasticity and the like; according to the method, the aggregation degree, conformation and intermolecular interaction force of oyster protein can be regulated and controlled only by utilizing temperature, so that the oyster protein is induced to form high-quality protein gel. Besides, no organic chemical reagent or food additive is added in the preparation process, and NaCl is not added, so that the oyster protein isolate gel is pure in ingredient, high in safety and simple to operate, and has relatively high application value and industrialization potential.
Owner:GUANGDONG OCEAN UNIVERSITY

Method for removing fishy smell of minced fillet and improving gel property based on electric field effect and application of method

The invention discloses a method for removing fishy smell of minced fillet and improving gel characteristics based on an electric field effect and application of the method, and relates to the technical field of production of minced fillet products. Comprising the following steps: treating surimi rinsing wastewater by utilizing a low-voltage direct-current electric field to obtain rinsing recovery liquid; rinsing the fresh surimi by using the rinsing recovery liquid, and introducing nitrogen microbubbles in the rinsing process to make full contact with the surimi; and rinsing with clear water, and dehydrating to finish the treatment. According to the method disclosed by the invention, the rinsing recovery liquid treated by the electric field is selected and has a synergistic effect with the introduced nitrogen microbubbles, so that the myofibrillar protein content and the moisture content of the rinsed minced fillet are relatively high, and the fat content and fishy smell substances are obviously reduced; the gel strength of the final gel product reaches 493.03 g.cm and meets the 3A-grade surimi standard (the gel strength is greater than or equal to 400 g.cm), and the quality, color and flavor of the surimi gel are effectively improved; the method is simple to operate, high in efficiency and suitable for industrial production.
Owner:HUAZHONG AGRI UNIV

An oyster protein gel, its preparation method and application

This invention discloses a high-strength oyster protein gel, its preparation method, and its applications, belonging to the field of protein gel preparation technology. Using oyster meat as raw material, this invention obtains oyster protein isolate through an alkali-dissolution and acid-precipitation method, and pre-coagulates the oyster protein isolate at ultra-long-term low temperatures. High-temperature induction of deep cross-linking significantly improves the gel properties of the oyster protein isolate. The prepared oyster protein isolate gel exhibits characteristics such as smooth surface, high gel strength, and high elasticity. This invention utilizes only temperature to control the aggregation degree, conformation, and intermolecular interactions of oyster proteins, thereby inducing the formation of a high-quality protein gel. Furthermore, the preparation process of this invention involves no organic chemical reagents or food additives, and no NaCl is added, resulting in a pure, safe, and simple oyster protein isolate gel formulation with high application value and industrialization potential.
Owner:GUANGDONG OCEAN UNIVERSITY

Preparation method of salt-reduced unrinsed silver carp balls added with plasma activated water

The invention discloses an application of plasma activated water in a minced fillet product. The invention provides a preparation method of plasma activated water. The plasma activated water is prepared by a plasma generating device under certain parameters. The plasma activated water is added into the unrinsed surimi to replace part of added water in the traditional surimi product, so that the salt-reduced surimi product is prepared. The addition mode maintains the gel strength of the salt-reduced surimi product and effectively improves the color and luster of the product on the premise of maintaining the whole moisture content of the surimi product.
Owner:BOHAI UNIV

Seamless soft capsule as well as preparation method and application thereof

The invention provides a film-forming composition, a seamless soft capsule shell prepared from the film-forming composition, and a seamless soft capsule containing the soft capsule shell. The film-forming composition comprises: 1%-4% of a first gelling agent; 0.5%-10% of high ester pectin; 0.75 to 15% of a plasticizer; and at least 80% water wherein the first gelling agent is a low acyl gellan gum. The film-forming composition is low in solution viscosity and high in gel strength at room temperature, the seamless soft capsule prepared by dripping the film-forming composition as a film-forming material is high in strength and uniform in appearance, and the dried soft capsule product can be quickly disintegrated in a water medium.
Owner:XIAN LE JIAN KANG KE JI (GUANG DONG) YOU XIAN GONG SI

Preparation method suitable for nano silicon dioxide sol grouting under high-temperature condition

ActiveCN119798569ADouble bondVinylsilane
The invention relates to the technical field of chemical grouting materials, in particular to a preparation method suitable for nano-silica sol grouting under a high-temperature condition, and aims to solve the problems that an existing grouting material cannot be used at a high temperature, and the gel strength is low and the gel rate is uncontrollable when single silica sol is used at the high temperature. The invention provides a preparation method suitable for nano-silica sol grouting under a high-temperature condition, which comprises the following steps: step 1, carrying out surface modification on small-particle-size spherical nano-silica sol by using vinyl silane to graft carbon-carbon double bonds on the surface of the nano-silica sol to obtain modified nano-silica sol; step 2, adding a water-soluble vinyl monomer and an initiator into the modified nano silicon dioxide sol; and step 3, adding a proper amount of a gel accelerator, and enabling the system to be in an environment of 70-120 DEG C, so as to obtain the high-strength grouting material with controllable gelation time.
Owner:CNPC BOHAI DRILLING ENG +1

Oyster-soybean compound protein gel constructed based on low-temperature synergy as well as preparation method and application of oyster-soybean compound protein gel

The invention discloses oyster-soybean compound protein gel constructed based on low-temperature synergy as well as a preparation method and application of the oyster-soybean compound protein gel, and belongs to the technical field of functional foods. The composite gel is formed by oyster protein and soybean protein isolate through low-temperature stabilization, medium-temperature construction and thermal induction treatment. The preparation method comprises the following steps: preparing an oyster protein suspension; preparing a soybean protein isolate suspension; the oyster protein suspension and the soybean protein isolate suspension are mixed, stirred and left to stand, a gel structure is preliminarily constructed and then subjected to thermal induction curing treatment, and after the thermal induction curing treatment is finished, the oyster-soybean compound protein gel is formed through storage at low temperature and can be used in the field of food processing. The oyster protein and the soybean protein isolate are combined, so that the composite gel has excellent gel strength, smooth texture and long-acting storage stability, no organic chemical reagent or food additive is used in the preparation process, the formula safety is ensured, the process is simple and convenient, and the composite gel shows huge application value and industrialization prospect.
Owner:GUANGDONG OCEAN UNIVERSITY

Marine food containing yellow croaker and preparation method thereof

The invention belongs to the field of marine food processing, and provides a marine food containing yellow croaker and a preparation method thereof.The marine food containing yellow croaker is prepared by adopting collaborative design of a minced yellow croaker protein-polysaccharide composite nano colloid powder intermediate and low-molecular fish collagen, through microbial transglutaminase cross-linking and cryoprotectant compounding regulation and control, and the marine food containing yellow croaker and the preparation method of the marine food containing yellow croaker are obtained. A minced fillet protein continuous phase network structure with uniformly dispersed nano-particles is constructed, the gel strength is 900-1300 g.cm, the gel strength retention rate is not lower than 80% after 6 times of freezing and thawing cycles are frozen for 3-5 times, the unfreezing drip loss is not higher than 8 wt%, the hardness is 1500-2500 g, and the taste characteristics of high strength and good elasticity are obtained. The technical problems that high gel strength and freeze-thaw stability of a traditional surimi product are difficult to consider, the taste is worse easily due to improvement of mechanical properties, nano-particles are difficult to uniformly disperse in a high-solid-content system and the like are solved, and the surimi product has wide application value in the fields of surimi products, quick-frozen prepared foods and marine functional foods.
Owner:FOSHAN XINYURUN FOOD CO LTD

Ganoderma spore oil grifola frondosa soft capsule preparation method based on cold preparation method

The invention discloses a preparation method of a ganoderma spore oil grifola frondosa soft capsule based on a cold preparation method. The preparation method comprises the following steps: firstly, carrying out high-speed shearing and nanocrystallization treatment on grifola frondosa extract, selenium-enriched yeast, squalene and ganoderma lucidum spore oil for later use; and then melting gelatin, glycerol, water and cocoa shell extract at low temperature to obtain a gelatin solution, and finally preparing the soft capsule. According to the invention, on the basis of ensuring sufficient dissolution of the gelatin, the influence of the traditional gelatin melting temperature on the gel strength, the viscosity, the three-dimensional structure, the production stability and other performances and the application effect can be effectively avoided. Meanwhile, the ganoderma lucidum spore oil, squalene, grifola frondosa extract and selenium-enriched yeast are ingeniously combined, so that the content of a landmark component triterpenoid compound in the content is remarkably increased, and the metabolic detoxification capability of the liver and the anti-inflammatory and immune regulation effects of the body are enhanced.
Owner:JIANMA PHARM (GUANGDONG) CO LTD

High-stability and low-sensitization 3D cell culture meat scaffold and preparation method thereof

The invention discloses a high-stability and low-sensitization 3D cell culture meat scaffold and a preparation method thereof, and belongs to the field of future food science and technology processing. The fish gelatin sodium alginate cell culture meat scaffold is prepared through covalent modification of sodium alginate with different concentrations, the problem that fish gelatin gel is unstable at 37 DEG C is remarkably improved, the gel strength is improved by about 282.42%, the hydrophilicity is remarkably improved, and the cell culture meat scaffold is suitable for being used for preparing the fish gelatin sodium alginate cell culture meat scaffold. Meanwhile, the release amount of mouse plasma histamine of intragastric sodium alginate covalently modified group fish gelatin is reduced by about 54.35%, and the release rate of beta-hexosaminidase of RBL-2H3 cells is reduced from 27.50% to 11.31%. The high-stability and low-sensitization cell culture meat scaffold is prepared from fish gelatin, sodium alginate and calcium chloride, the problem of low stability of a single fish gelatin cell scaffold is solved, and the potential sensitization risk of the cell culture meat scaffold is reduced.
Owner:DALIAN POLYTECHNIC UNIVERSITY

Temperature-sensitive contact lens eye moistening gel and preparation method thereof

The invention belongs to the technical field of contact lens care, and provides temperature-sensitive contact lens eye-moistening gel and a preparation method thereof. The temperature-sensitive contact lens eye-moistening gel is prepared from the following raw materials in parts by mass: a gel matrix, a surfactant, an osmotic pressure regulator, an active component, a chelating agent, a buffering agent and the balance of injection water, the composition of the gel matrix is defined. Chitosan, sodium hyaluronate and polyvinyl alcohol are compounded to serve as a gel matrix, a polyelectrolyte compound is formed, gelation time is shortened, gel strength and swelling resistance are improved, biocompatibility is improved, and drug-loaded delivery of active ingredients is achieved; the gel matrix and the surfactant are reasonably selected, the viscosity of the solution is increased, the gelation time is shortened, the excellent effect of relieving eye fatigue and dryness is achieved, the wearing comfort of the contact lens is remarkably improved, and the oxygen permeation effect of the contact lens is not obviously reduced after gel forming.
Owner:GANSU TIANHOU OPTICAL TECHNOLOGY CO LTD

Preparation method of high-gel-quality low-salt minced shrimp gel

The invention provides a preparation method of high-gel-quality low-salt minced shrimp gel, which comprises the following steps: S1, chopping and mixing shrimp meat to obtain minced shrimp meat; s2, adding salt into the minced shrimp meat, and chopping to obtain minced shrimp; s3, adding alkaline amino acid into the minced shrimps, and chopping to obtain amino acid-minced shrimps; and S4, heating and cooling the amino acid-minced shrimps to obtain the high-gel-quality low-salt minced shrimp gel. According to the preparation method disclosed by the invention, the texture property, texture and taste of the low-salt minced shrimp gel are improved, so that the indexes such as the texture property and the water-holding capacity of the low-salt minced shrimp gel all have ideal effects; the preparation method is simple, green, safe, easy to implement and suitable for industrial production; the prepared low-salt minced shrimp gel with high gel quality overcomes a series of problems of low shrimp meat content, high salt content, unsatisfactory texture characteristics, low moisture retention capacity, weak gel strength and loose structure of the existing minced shrimp products.
Owner:DALIAN POLYTECHNIC UNIVERSITY

Konjak gel food as well as preparation method and application thereof

The invention relates to the field of konjak food, provides konjak gel food as well as a preparation method and application thereof, and aims to solve the problems of poor stability, insufficient brittleness and poor antibacterial property of existing konjak gel food. According to the gel food, phosphorylated konjac glucomannan serves as a main body, chitosan / microcrystalline cellulose composite filler, carrageenan, sodium alginate, calcium salt, citrate and other auxiliary materials are added, a multi-cross-linked network structure is constructed through the synergistic effect of multiple components, and the stability and mechanical performance of gel are remarkably enhanced. In the preparation process, a temperature gradient control strategy is adopted, and ordered construction and layer-by-layer curing of a gel network are achieved. The obtained product has high gel strength, excellent brittleness, low bleeding rate and excellent antibacterial performance, can be widely applied to functional food simulating the mouth feel of animal cartilage, and has good storage stability and sensory quality.
Owner:SHANDONG HEARUN DIETARY HALL CO LTD

Mineralized gel type physalis alkekengi leavening agent and application thereof in preparation of physalis alkekengi bean curd

The invention provides a mineralized gel type physalis alkekengi leavening agent and application thereof in preparation of physalis alkekengi tofu. The method comprises the following steps: firstly, forming an EGCG-Ca < 2 + > complex from epigallocatechin gallate and tricalcium phosphate in soybean clear water, inducing TCP nanosheets to be self-assembled, and interpenetrating with a soybean protein network to construct a mineralized gel skeleton; the mineralized gel type sour slurry leavening agent is prepared by firstly preparing a skeleton, then immobilizing lactic acid bacteria in micropores of the skeleton and finally performing electrostatic grafting on soybean peptide, so that the gel strength, the water binding capacity, the flavor and the like of sour slurry bean curds are improved, and the nutrition and the quality of the bean curds are further improved.
Owner:BOHAI UNIV

Nano-silicon-loaded phenolic resin reinforced jelly as well as preparation method and application thereof

The invention relates to the technical field of oilfield chemistry, and discloses nano-silicon-loaded phenolic resin reinforced jelly as well as a preparation method and application thereof. The method comprises the following steps: (1) mixing phenol and ethylenediamine according to a molar ratio of 1: (0.07-0.1), then adjusting the pH value to 8-10, then carrying out a first reaction on the obtained mixture, silane coupling agent modified silicon dioxide and a dispersion stabilizer at a first temperature, then cooling to a second temperature, and carrying out a second reaction to obtain a reaction solution I; (2) carrying out third reaction on the reaction solution I and a first formaldehyde solution to obtain a reaction solution II; and (3) carrying out fourth reaction on the reaction solution II and a second formaldehyde solution to obtain the nano-silicon loaded phenolic resin cross-linking agent. The nano-silicon-loaded phenolic resin reinforced jelly prepared by the method disclosed by the invention has obviously higher gelling strength and high-temperature-resistant stability.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA) +2

High-elasticity composite hydrogel based on deacetylated konjac glucomannan and preparation method thereof

The invention discloses a deacetylated konjac glucomannan composite hydrogel and a preparation method thereof, the raw materials comprise deacetylated konjac glucomannan, agar, guar gum and water, the water and polysaccharide powder are mixed according to a certain proportion, magnetically stirred for 15 minutes, then placed in a water bath kettle at 90 DEG C for water bath for 30 minutes, taken out and cooled to room temperature, and the deacetylated konjac glucomannan composite hydrogel is obtained. And refrigerating in a refrigerator at 4 DEG C for 24 hours. The high-elasticity deacetylated konjac glucomannan composite hydrogel is obtained by controlling the adding amount of raw material powder, the deacetylation degree, the stirring time, the water bath temperature and the water bath time, improving the problems of poor gel strength, overlarge viscosity and poor thermal stability of konjac glucomannan single gel and remarkably improving the elasticity and the water-holding capacity of the gel.
Owner:JILIN UNIVERSITY

A preparation method of Ganoderma lucidum spore putty tree flower soft capsule based on cold preparation method

The present invention discloses a preparation method of Ganoderma lucidum spore oil and Grifola frondosa soft capsules based on a cold preparation method. First, Grifola frondosa extract, selenium-enriched yeast, squalene, and Ganoderma lucidum spore oil are subjected to high-speed shear nano-processing and then set aside; subsequently, gelatin is subjected to low-temperature gelation with glycerol, water, and cocoa shell extract to obtain a gelatin solution, and finally, soft capsules are prepared. While ensuring that gelatin is fully dissolved, the present invention effectively avoids the impact of traditional gelation temperature on gel strength, viscosity, three-dimensional structure, production stability, and other properties and application effects. At the same time, the Ganoderma lucidum spore oil and squalene, Grifola frondosa extract, and selenium-enriched yeast are cleverly combined to significantly increase the content of triterpenoid compounds, a characteristic component in the contents, thereby enhancing the liver's metabolic detoxification ability and the body's anti-inflammatory and immunomodulatory effects.
Owner:JIANMA PHARM (GUANGDONG) CO LTD

Mandarin fish prefabricated dish detection method and system and computer readable storage medium

The invention discloses a mandarin fish prefabricated dish detection method and system and a computer readable storage medium. The mandarin fish prefabricated dish detection method comprises the following steps: acquiring a gel strength original value, an elasticity original value, a water activity original value, an RGB image, a temperature value and a bacteria amount original value of a sample; preprocessing the elasticity original value, the moisture activity original value, the RGB image and the bacteria amount original value to form a first feature vector and a second feature vector corresponding to the sample; calculating the first feature vector and the second feature vector by using a preset neural network model to obtain a first qualified weight corresponding to the sample; on the basis of the original gel strength value, the temperature value and a gel strength correction model, calculating a gel correction strength value corresponding to the sample, and on the basis of the gel correction strength value, obtaining a second qualified weight corresponding to the sample; and on the basis of the first qualified weight and the second qualified weight, calculating a qualified coefficient of the sample, and outputting a second signal value that the sample is unqualified.
Owner:CHONGQING XIDA AGRICULTURAL SCIENCE & TECHNOLOGY RESEARCH INSTITUTE CO LTD

Classification method and classification model of whey protein powder texture function and application of classification model in yoghourt

The invention relates to a classification method and a classification model for texture functions of whey protein powder and application of the classification model in yoghourt. The classification method comprises the following steps: testing solubility a, hydration particle size b, gel strength c and acid heat treatment particle size d of the whey protein powder, and classifying according to a numerical range. The classification method provided by the invention can realize rapid discrimination and application recommendation of whey protein powder texture functions, not only eliminates quality risks caused by raw material differences from a raw material end, but also improves the development efficiency of products.
Owner:INNER MONGOLIA MENGNIU DAIRY IND (GROUP) CO LTD

A method for preparing a highly water-absorbent resin having improved gel strength and broad-spectrum UV resistance

The invention discloses a method for preparing a super absorbent resin with improved gel strength and broad-spectrum UV resistance, comprising the following steps: A, adding a neutralizer to an acrylic acid monomer, stirring while adding the neutralizer; B, after the reaction of step A is completed, carboxymethyl reed cellulose, acrylamide, fumed silica, nano zinc oxide, organic UV-resistant additive, crosslinking agent and oxidant are added in sequence, stirring and passing nitrogen, adding a reducing agent and then stirring the reaction; C, after the reaction of step B is completed, the temperature is raised to 90-100°C and kept warm for 1.5-2.5h, that is, the super absorbent resin prepared by the present invention has the advantages of high gel strength, wide UV-resistant wavelength range, good UV-resistant effect, high water absorption, simple process and low preparation cost, and the related product market is lacking, and has great application prospects in industries such as soil moisture retention, desert control, agriculture, forestry and flower transportation.
Owner:WEIFANG UNIV OF SCI & TECH

A method for removing fishy smell and improving gel properties of surimi based on the electric field effect and its application

The present invention discloses a method for removing fishy smell and improving gel properties of surimi based on the electric field effect and its application, which relates to the technical field of surimi product production. The method comprises the following steps: treating surimi rinsing wastewater with a low-voltage direct current electric field to obtain a rinsing recovery solution; using the rinsing recovery solution to rinse fresh surimi, and introducing nitrogen microbubbles during the rinsing process to fully contact with the surimi; then rinsing with clear water and dehydrating to complete the treatment. By selecting the rinsing recovery solution treated by the electric field and cooperating with the introduction of nitrogen microbubbles, the method of the present invention makes the content of myofibrillar protein and moisture content of the rinsed surimi relatively high, and the fat content and fishy smell substances significantly reduced; the gel strength of the final gel product reaches 493.03 g·cm, meeting the 3A grade surimi standard (gel strength ≥ 400 g·cm), effectively improving the quality, color and flavor of surimi gel; the operation is simple, the efficiency is high, and it is suitable for industrial production.
Owner:HUAZHONG AGRI UNIV

Vitamin A emulsion-encapsulated nemipterus virgatus meat sausages as well as preparation method and application thereof

The invention discloses nemipterus virgatus meat sausages encapsulated with vitamin A emulsion as well as a preparation method and application of the nemipterus virgatus meat sausages, and relates to the technical field of food processing. The invention develops a nemipterus virgatus meat sausage encapsulated with a vitamin A emulsion. The nemipterus virgatus meat sausage is prepared from the following raw materials: minced fillet, the vitamin A emulsion and food auxiliary materials. According to the nemipterus virgatus meat sausages developed by the invention, the whiteness of surimi products can be improved, the color and luster of the surimi products can be improved, the gel strength of the surimi is improved, the problems that existing fish sausages are heavy in fishy smell and poor in taste and flavor are solved, and a theoretical basis is also provided for research and application of functional surimi products.
Owner:BOHAI UNIV

Modified citrus fiber product

The present invention relates to a modified citrus fiber product, wherein the modified citrus fiber product has a gel strength of from 30 SAG to 100 SAG and a degree of esterification of from 30% to 100%. The invention also relates to a method for producing said modified citrus fiber product. The present invention avoids the use of an activation step involving the conversion of trapped water-insoluble pectin to free water-soluble pectin using chemicals (e.g., acids) while still obtaining a suitable amount of free water-soluble pectin to produce a citrus fiber product having a gel strength (SAG) of between 30 SAG and 100 SAG. Avoiding such an activation step ensures that the intrinsic factors of the pectin contained in the modified citrus fiber product are comparable to those found in the natural citrus fiber source.
Owner:CARGILL INC

High-gel-strength minced fillet-pigskin protein jelly food and production method thereof

The minced fillet is used as a raw material to produce the protein jelly food, and the product is rich in high-quality protein and high in nutritional value. A physical fishy smell removing method and a biological fishy smell removing method are combined, so that the fishy smell of the minced fillet is effectively removed. 50-100 parts of pigskin and 100 parts of minced fillet are jointly gelatinized to form binary protein gel, so that on one hand, the gel strength of the prepared product is improved, and meanwhile, the melting point of the product is improved. Besides, a microwave technology (the microwave power is 0.5-20kW and the treatment time is 60-600s) is adopted to combine a thermally induced gelation process and a sterilization process into one, so that microorganisms are effectively killed while the gelation process is realized. The fishy smell-removed minced fillet-pigskin protein jelly food with high gel strength can be obtained, and the food has a soft and elastic texture, a fine taste and extremely high nutritional value of fish meat, can be stored at normal temperature for a long time, can be directly eaten after being unsealed, and can also be shredded, sliced and seasoned for eating.
Owner:SICHUAN UNIV

Cross-linking agent for gelation as well as preparation method and application of cross-linking agent

The invention discloses a cross-linking agent for gelation as well as a preparation method and application thereof, and relates to the technical field of working solutions for petroleum engineering, the cross-linking agent for gelation comprises the following components in percentage by mass: 10%-30% of multi-benzene-ring-containing long-chain polyboric acid, 5%-10% of polyethylene glycol, 4%-8% of alkali, 10%-25% of auxiliary ligand and the balance of water. The long-chain polyborate with a large steric hindrance structure is used for preparing the organic boron cross-linking agent, and the multi-head organic boron cross-linking agent with a long molecular chain is prepared through complex reaction of polyhydric alcohol, polymeric alcohol and the long-chain polyborate. According to the cross-linking agent which takes long-chain polyboronic acid containing multiple benzene rings as a main chain segment, at least one boron ion is linked on different benzene rings and comprehensively shows a macromolecular and multi-boron ion structure, not only can the concentration of vegetable gum cross-linked with the cross-linking agent be greatly reduced, but also the strength of formed gel is higher due to multi-point cross-linking in space.
Owner:PETROCHINA CO LTD

Pickering emulsion with stable phycocyanin-rosmarinic acid conjugate and application of Pickering emulsion in minced fillet products

The invention provides a Pickering emulsion with stable phycocyanin-rosmarinic acid conjugate and application of the Pickering emulsion in a surimi product, and the Pickering emulsion is characterized in that PC-Ra prepared by oxidizing rosmarinic acid with laccase and then covalently conjugating with phycocyanin is used as an emulsifier, corn oil is used as an oil phase, and five groups of emulsions from PC-Ra20 to PC-Ra40 are prepared through homogenization. The emulsion is added into surimi in proportion, and the surimi product is prepared through chopping and mixing, sausage filling and two-stage heating and can be used as a fat substitute to effectively fill and strengthen a gel three-dimensional network. Experiments show that the emulsion can overcome the gelation defect of the surimi caused by direct addition of grease, the PC-Ra30 group has the optimal effect, the gelation strength and the water binding capacity of the surimi can be remarkably improved, the cooking loss is reduced, and lipid is effectively delayed; according to the invention, bioactive components are combined with an emulsion technology, and an effective solution is provided for developing high-quality and high-added-value green surimi products.
Owner:HAINAN TROPICAL OCEAN UNIV

Preparation method for improving quality of surimi product by using V-type starch-grease inclusion compound

The invention discloses a processing method for improving the quality of a surimi product by using a V-type starch-grease inclusion compound. The method comprises the following steps: preparing V-type starch, preparing a V-type starch-grease inclusion compound, blending raw materials, carrying out gradient thermal induction, cooling and shaping, carrying out vacuum exhausting and filling, and sterilizing. The V-type starch-grease inclusion compound is added into the surimi product, and the V-type starch can be embedded into a gel matrix after absorbing water and expanding, so that the flowability of water is effectively limited, the water-holding capacity of the surimi product is further enhanced, and the cooking loss is reduced; and pores in the gel can be physically filled and occupied, so that the gel network structure is more compact, the deformation resistance is improved, and the elasticity and the gel strength of the surimi product are enhanced, thereby optimizing the texture characteristics. The V-type starch-grease inclusion compound also effectively masks characteristic fishy smell substances of the surimi and releases specific flavor components of the starch-grease, so that the surimi product has better flavor characteristics.
Owner:GUANGDONG OCEAN UNIVERSITY