597 results about "Carrageenan" patented technology

The invention relates to a starch-based soft capsule shell and a preparation method thereof. The starch-based soft capsule shell is prepared from the following raw materials in parts by mass: 60 to 70 parts of hydroxypropyl starch, 9 to 20 parts of carrageenan, 5 to 15 parts of diquat, 5 to 15 parts of polylysine, 5 to 10 parts of hydroxypropyl methyl cellulose acetate succinate, 15 to 20 parts of glycerol and 30 to 40 parts of pure water. According to the soft capsule shell, hydroxypropyl starch serves as a base material, gelatin is not added, the conditions of poor weather resistance and fishy smell caused by use of gelatin are avoided, through the synergistic effect of all the components, the defects that a starch-based material is poor in plasticity, fragile and insufficient in mechanical strength are overcome, the structural stability is enhanced through chemical crosslinking, and the mechanical strength is improved; and the mechanical property is improved by virtue of physical compounding, so that the low-temperature resistance, high-temperature resistance and mechanical strength of the capsule skin are improved.

The invention relates to the technical field of microorganisms, in particular to a culture medium and a method for culturing Ackermania muciniphila for activating Amuc-1260 by using lambda-carrageenan as a carbon source, according to the culture method, the lambda-carrageenan is used for replacing a traditional carbon source, thallus growth and proliferation can be remarkably promoted, the effect is optimal under the condition of 2.00 g / L, and the culture cost is low. Compared with the conventional carbon source (glucose), the carbon source is improved by 92.91%. Further research finds that the lambda-carrageenan can induce the Akk bacteria to up-regulate the expression of glycoside hydrolase such as Amuc-1260 and enhance the activity of pathways such as glycosaminoglycan degradation, amino acid metabolism and insulin signals, so that the metabolic adaptability and energy utilization efficiency of the bacteria are improved. Meanwhile, the Akk bacteria secrete more functional short-chain fatty acids such as acetic acid, propionic acid and the like under the condition, and have the effects of regulating intestinal health and maintaining metabolic homeostasis. The invention provides a new theoretical basis and technical support for large-scale culture of Akk bacteria and development of a metabiotic product.

The invention provides a preparation method of a cell culture three-dimensional scaffold and cell culture meat, which comprises the following steps: firstly, preparing a gelatin-carrageenan mixed solution and a gel precursor solution of transglutaminase, dividing into two parts, incubating at constant temperature to obtain two parts of composite hydrogel, randomly freeze-drying one part to obtain aerogel, and freeze-drying the aerogel to obtain the cell culture three-dimensional scaffold. Stacking on the other part and incubating at constant temperature again to obtain the prefabricated double-layer gel. The prefabricated double-layer gel is directionally frozen, ice crystals grow upwards from the bottom, freezing is stopped after the temperature is reduced to the set temperature, and the cell culture three-dimensional scaffold is obtained through drying. The stent adopts an ordered-disordered partition design, parallel micro-channels are formed in the lower layer by using a directional ice template method, and muscle fiber arrangement is simulated; a porous spongy structure is constructed on the upper layer by using a random ice template method, and is adapted to adipocyte proliferation. Two layers of interfaces are interpenetrated and communicated, natural mechanical gradients are combined, natural tissue characteristics are re-engraved, the traditional limitation is broken through, the cell co-culture efficiency and the cultured meat quality are improved, and industrialization is promoted.

The invention discloses a preparation method of a slow-release solid preservative, and relates to the field of fruit preservation, and the preservative is prepared from the following raw materials in parts by weight: 5-8 parts of chitosan, 2-4 parts of carrageenan, 1-5 parts of sodium citrate, 2-3 parts of silicon dioxide, 3-4 parts of 1-methylcyclopropene, 2-3 parts of chlorine dioxide, 1-2 parts of water and 3-6 parts of baking soda. The preservation method of the slow-release solid preservative comprises the following steps: loading the solid preservative in a non-woven bag, placing the non-woven bag in a foam box or a packaging bag loaded with fruits, and sealing the foam box or the packaging bag. The baking soda in the preservative releases carbon dioxide, 1-methylcyclopropene and chlorine dioxide, and meanwhile, the physiological metabolism of the fruits and the generation of ethylene are effectively inhibited, and pathogenic bacteria are killed, so that the shelf life of the fruits is prolonged.

The invention belongs to the technical field of coating compositions. The invention provides environment-friendly water-based paint with high wear resistance and a preparation method of the environment-friendly water-based paint. The water-based paint is prepared from the following raw materials in parts by weight: 80 parts of waterborne polyurethane, 7-10 parts of modified montmorillonite, 1 part of a dispersing agent, 8-12 parts of microcapsules and 80 parts of water, the modified montmorillonite is obtained by modifying montmorillonite by adopting chitosan; the wall material of the microcapsule is composed of gelatin and carrageenan according to the weight ratio of 3: 1; a core material of the microcapsule is composed of castor oil and linseed oil according to the weight ratio of 2: 1. The water-based paint disclosed by the invention has excellent wear resistance on the basis of having excellent optical performance, mechanical performance, liquid resistance and self-repairing performance at the same time. The light transmittance of the obtained water-based paint reaches 95% or above, the hardness is 4H, the adhesive force is grade 0, the liquid resistance is grade 1, and the maximum mass loss of a paint film per 100 turns is only 12.0 g.

A wellbore fluid includes a continuous phase comprising an oleaginous fluid, a discontinuous phase comprising a non-oleaginous fluid, an emulsion of the discontinuous phase in the continuous phase, at least one emulsifier disposed around droplets of the discontinuous phase, at least one gelling material comprising at least one of xanthan gum, scleroglucan gum, gellan gum, carrageenan gum, or curdlan gum, and at least one crosslinker dispersed within the non-oleaginous fluid of the discontinuous phase. Related methods and treatment fluids are also disclosed.

The invention belongs to the field of food processing, and provides a preparation method of penaeus vannamei powder gel suitable for people with dysphagia, which comprises the following steps: taking penaeus vannamei meat, blending until no obvious particles exist, freezing, carrying out vacuum drying, powdering, sieving, mixing with water, fully hydrating to obtain a penaeus vannamei powder solution, adjusting the pH value of the penaeus vannamei powder solution to 9-11, stirring, adjusting the pH value to 6-8, and preparing the penaeus vannamei powder gel. And continuously stirring, adding carrageenan, heating and cooling to obtain the penaeus vannamei meal gel. The method disclosed by the invention is simple and easy to implement, and the pH migration treatment and the carrageenan treatment are utilized to generate a synergistic effect, so that the prepared penaeus vannamei powder gel meets the fifth-level standard of an IDDSI framework, and can meet the diet requirements of special crowds such as dysphagia patients on multiple aspects such as nutrition and texture.

The invention relates to a counter-ion adsorption high-voltage electrostatic spraying device and application thereof to preparation of a food sugar coating, and belongs to the technical field of equipment machinery and food processing. The device comprises a material conveying system, a high-voltage electrostatic spraying system, a sugar liquid supply system, a gas supply system, a sugar liquid recovery system, a microwave vacuum drying system and a control cabinet, the sugar liquid supply system and the gas supply system are both connected with the high-voltage electrostatic spraying system, the material conveying system is arranged below the high-voltage electrostatic spraying system, the material conveying system is connected with the microwave vacuum drying system, and the sugar liquid recovery system is further arranged below the material conveying system; the above systems are all controlled by a control cabinet. Through pulse switching of a high-voltage electrostatic field and a sugar liquid material, counter-ion charge accumulation of sprayed sugar liquid is realized, namely, positive charge sugar liquid (chitosan and the like) and negative charge sugar liquid (Arabic gum, carrageenan and the like) are alternately sprayed under the high-voltage electrostatic field, so that electrostatic adsorption and directional deposition of the sugar liquid on the surface of food are realized.

The invention relates to the technical field of food processing and making, and discloses a konjac food and a making method thereof, and the making method comprises the following steps: raw material pretreatment, swelling and dispersion, enzymolysis treatment, gel matrix preparation, flavor substance embedding, mixing and degassing, curing forming, ultrahigh pressure treatment and post-sterilization and packaging. In the invention, the konjac micro-powder is subjected to controllable enzymolysis through the compound bio-enzyme preparation, and the konjac micro-powder and the gel matrix liquid composed of carrageenan, gellan gum and curdlan gum in a specific ratio have a synergistic effect under a curing condition, so that the konjac colloid and the gel matrix are interwoven to form a compact and stable cementing system, and the texture of the konjac food is improved; according to the method, the plant-derived flavor extract is added, so that the taste of the plant-derived flavor extract is uniform and consistent, the defect that the traditional process product is unstable in texture or easily generates bad flavor is overcome, the plant-derived flavor extract is embedded by adopting beta-cyclodextrin, and the plant-derived flavor extract is converted into a microcapsule form through high-pressure homogenization and spray drying processes.

The invention discloses an elastic chewable nicotine oral product and a preparation method thereof. The elastic chewable nicotine oral product comprises a nicotine source and an additive, the nicotine source is dissolved in the mixed solution of the additive, so that the nicotine oral product forms a soft elastomer, and the nicotine is slowly released in the oral cavity through chewing; the nicotine source is extracted or chemically synthesized from tobacco; the additive comprises a gelling agent, and the gelling agent comprises one or a combination of more of gelatin, agar, konjac polysaccharide, xanthan gum, pectin, carrageenan, sodium alginate, semen plantaginis polysaccharide, guar gum, gellan gum, curdlan, whey protein, casein or soybean protein. The gel is added into the carrier to realize physical embedding of the nicotine, the elastic and chewable oral nicotine product can be obtained without bonding fixation, and the nicotine is released through gel swelling-diffusion regulation, so that the oral nicotine product has no residue in the oral cavity and does not pollute the package when being used, and the purposes of dynamically releasing the nicotine and improving the consumption experience are realized.

The invention discloses a targeted slow-release curcumin compound with an auxiliary liver protection function and a preparation method thereof.The preparation method comprises the steps that whey protein isolate is heated under the acidic condition to prepare whey protein isolate fibers, and then the whey protein isolate fibers are compounded with kappa-carrageenan; adjusting the mixed system to be alkaline by adopting a pH migration method, adding a curcumin alkaline solution, fully dissolving the curcumin alkaline solution, and combining the curcumin alkaline solution with the whey protein isolate fiber-kappa-carrageenan composite system; and adjusting the pH value of the system back to be neutral to obtain the high-load amorphous curcumin solution and the solid preparation. The whey fiber and the kappa-carrageenan are self-assembled in the pH circulation process to form a composite carrier, curcumin is converted into an amorphous state from a crystalline state, the solubility of curcumin is remarkably improved, the loading capacity is greatly improved to 70% at most, the heat stability, oxidation resistance and biological accessibility of curcumin are improved, targeted slow release of curcumin can be achieved, and the curcumin-targeted slow release preparation has a good application prospect. The positioning release performance of the curcumin in the intestinal tract part is improved, and the application form of the curcumin in liver protection function products is expanded.

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.

The invention discloses a preservative for preventing durian from cracking and a preparation method thereof, and mainly relates to the technical field of fruit preservation. Compared with the prior art, the chitosan is used as a main component and cooperates with the acetic acid, the polyglutamic acid, the sodium alginate, the sorbitol, the plant polyphenol nanoparticle emulsion and the compound gum such as the konjac gum, the carrageenan and the xanthan gum to act together, and the plant polyphenol nanoparticle emulsion obtained by a special preparation method is added; when the preservative film is applied to the surface of the durian, a layer of preservative film can be formed, and finally the technical purposes of improving the water locking performance and puncture resistance, reducing the weight loss rate, preventing the durian from cracking and prolonging the preservation period are achieved.

The invention relates to the field of electrocatalysis CO2 reduction reaction catalysts, and discloses a net-shaped cross-linked structure monatomic carbon-based catalyst and a preparation method and application thereof.The preparation method comprises the steps that carrageenan and soluble zinc salt are added into a urea solution, and continuous heating and stirring are conducted till sol is formed; freeze-drying the obtained sol to obtain aerogel; and calcining the obtained aerogel in an inert atmosphere, cooling, and carrying out acid pickling treatment to obtain the net-shaped cross-linked structure monatomic carbon-based catalyst. According to the invention, carrageenan, urea and zinc salt are used as raw materials to prepare the nitrogen-sulfur co-doped zinc monatomic carbon-based catalyst with a net-shaped cross-linked structure, and the catalyst has the advantages of high efficiency and controllable cost; and the obtained nitrogen-doped carbon-based monatomic catalyst has high catalytic activity.

The invention discloses a method and equipment for preparing antioxidant selenized carrageenan. The equipment comprises a fixed seat, a rack, a base and a kettle body mounted on the base, a heating layer is arranged in the kettle body, a main shaft is arranged at the bottom in the kettle body, and a motor in transmission connection with the kettle body is arranged at the bottom end of the kettle body; a stirring mechanism is arranged on the main shaft; the fixed seat is assembled on the rack and located above the kettle body, a first telescopic cylinder is arranged on the fixed seat, a piston rod of the first telescopic cylinder penetrates and extends to the position below the fixed seat, the tail end of the first telescopic cylinder is rotationally connected with a fixed frame, a movable plate is arranged at the bottom end of the fixed frame, and a plurality of material barrels are arranged on the movable plate in the circumferential direction of the movable plate and used for containing algae materials; a plurality of through holes are distributed in the surface of the material barrel; the problems that stirring of traditional equipment has dead angles, algal materials are not in uniform contact with hot water, carrageenan dissolution is not thorough, and additional filtration is needed for algal residue separation are solved, efficient carrageenan extraction is achieved, and the preparation quality and efficiency of selenized carrageenan are improved.

The invention belongs to the technical field of food additives and new materials, and discloses a thermostable embedding method and application of an alpha-amylase inhibitor, and the method comprises the following steps: respectively adjusting the pH values of an alpha-AL stock solution and an iota-CG stock solution to 6, then mixing the stock solutions according to the mass ratio of alpha-AL to iota-CG of 2: 1, and carrying out heat preservation for 2-3 hours, so as to obtain the thermostable embedding method of the alpha-amylase inhibitor. According to the method disclosed by the invention, the stable ion compound is formed under the condition that the pH is equal to 6 by utilizing the electrostatic interaction and the hydrogen-bond interaction between the negatively charged sulfuric acid group in the iota-carrageenan molecule and the positively charged amino acid residue on the surface of the white kidney bean alpha-amylase inhibitor. According to the compound, stable combination among molecules is achieved by constructing a structured water molecular layer barrier, so that the tolerance of the white kidney bean alpha-amylase inhibitor to heat treatment is remarkably improved, and the defect that the heat stability of the white kidney bean alpha-amylase inhibitor is poor is overcome.

The invention provides a temperature-sensitive hydrogel fire extinguishing additive, a preparation method thereof and a fire extinguishing agent. The temperature-sensitive hydrogel fire extinguishing additive is prepared from the following raw materials in parts by mass: 1 to 3 parts of methyl cellulose, 2 to 6 parts of cross-linking agent, 2 to 12 parts of lubricant, 10 to 20 parts of metal salt, 1 to 3 parts of hydrocarbon surfactant, 3 to 6 parts of phosphorus flame retardant, 3 to 5 parts of cosolvent and 1 to 5 parts of heat stabilizer. The cross-linking agent is selected from one or more of sodium alginate, sodium polyacrylate, polyacrylamide, carrageenan, guar gum, xanthan gum, genipin, tannic acid and sodium carboxymethyl cellulose, and the lubricant is polyethylene glycol and / or polyvinyl alcohol. The temperature-sensitive hydrogel fire extinguishing additive disclosed by the invention is non-toxic, harmless, non-corrosive, environment-friendly, easy to degrade, easy to prepare and store, low in viscosity, high in critical transition temperature and high in gelling speed, and can extinguish a fire disaster of the lithium ion battery more quickly, avoid re-combustion of the lithium ion battery and realize continuous cooling of the battery at the same time.

The invention discloses a low-sodium myofibrillar protein flavor prediction method and a low-sodium myofibrillar protein flavor prediction device. The method comprises the following steps: firstly, constructing a protein-flavor interaction system containing myofibrillar protein, potassium chloride, kappa-carrageenan and representative aldehyde flavor compounds; then, by means of spectroscopy, rheometer combination, an electronic tongue and the like, protein conformational change, typical aldehyde molecule binding rate and taste features are represented in a multi-dimensional mode. And establishing a random forest prediction model, taking protein conformation parameters as input, and taking a flavor binding rate and effective taste intensity as output. The model can reveal cross correlation between protein conformations and functions and identify key conformation parameters that affect flavor. And in combination with quantification and prediction capabilities of the model, a conformation-flavor relationship can be systematically analyzed, a basis is provided for optimization of a low-sodium formula, flavor is enhanced while salty taste is increased and bitter taste is inhibited, and healthy and sustainable development of low-sodium meat products is promoted.

The invention discloses bamboo-based fire extinguishing gel as well as a preparation method and application thereof, and belongs to the technical field of macromolecular flame-retardant materials. The technical problem to be solved is to solve the problems of fire risk caused by vibration in the transportation process of the lithium ion battery and extremely high ignition speed, long combustion duration, extremely high combustion temperature, high re-combustion risk, generation of poisonous gases such as carbon monoxide and the like, serious harm to human health and the like caused by fire of the lithium ion battery. The invention provides the bamboo-based fire-extinguishing gel with dual purposes, and the bamboo-based fire-extinguishing gel not only has good damping performance and thermal responsiveness, has excellent adhesiveness and coverage after being liquefied, but also can absorb a large amount of heat and reduce the temperature, and has the advantages of efficient fire-extinguishing performance, environmental friendliness and the like. According to the technical scheme, the bamboo-based fire extinguishing gel is characterized by being prepared from water, bamboo powder, urea, glycerin, carrageenan and hydroxypropyl methyl cellulose.

The invention discloses a high-toughness double-network hydrogel electrolyte as well as a preparation method and application thereof. The preparation method comprises the following steps: dissolving carrageenan in deionized water, magnetically stirring and heating until the carrageenan is completely dissolved, cooling, and adding a ZnSO4 solution for pre-crosslinking to form a carrageen-Zn < 2 + > solution; dissolving AM and a cross-linking agent in water to form an AM monomer solution; mixing with a carrageen-Zn < 2 + > solution, adding glycerol as a plasticizer, and uniformly stirring for plasticizing; and adding a photoinitiator, carrying out ultraviolet radiation to form a PAM chemical cross-linked network so as to obtain double-network hydrogel, and soaking the double-network hydrogel in a mixed solution of ZnSO4 and boric acid to strengthen the cross-linked network, thereby obtaining the hydrogel. The high-toughness double-network hydrogel electrolyte is stable in structure, excellent in conductivity, high in mechanical strength and good in flexibility, dendritic crystal growth can be inhibited, the ion migration efficiency and the interface stability can be improved, and the high-toughness double-network hydrogel electrolyte has wide prospects when being used for flexible electronic devices, new energy systems and other energy storage devices.

There is provided the use of carrageenan as a viscosity-modifying admixture in a flowable cementitious suspension; a viscosity-modifying admixture for a flowable cementitious suspension, the viscosity-modifying admixture comprising carrageenan; a method of modifying the viscosity of a flowable cementitious suspension, the method comprising adding carrageenan as a viscosity-modifying admixture to the flowable cementitious suspension. There is also provided a dry cementitious composition comprising carrageenan as a viscosity-modifying admixture and a flowable cementitious suspension comprising carrageenan as a viscosity-modifying admixture. The flowable cementitious suspension typically comprises the dry cementitious composition as well as water. The flowable cementitious suspension can be a self-leveling flowable cementitious suspension, such as grout or mortar for self-leveling flooring, crack injection, or and anchorage sealing, or a self-consolidating flowable cementitious suspension, such as a flowable concrete.

The invention provides a kind of gel material, including the following components: agar, carrageenan, konjac gum, additives; The mass ratio of described agar, carrageenan, konjac gum is 18-22:1-5:1-5; The described additives include potassium dihydrogen phosphate, potassium sorbate, food coloring. The venipuncture model of the present invention is a highly simulated human blood vessel model, which can simulate real human blood vessel structure, so that learners can perform practical operation in a simulated environment, improve learning effect, adopt agar as main material, simple to make, with low cost, convenient for large-scale production and promotion, single model single point can actually enter needle puncture and reach more than 70 times, improve mold service life, and reduce cost.

The invention provides curcumin composite particles for improving alcohol-related liver diseases and a preparation method of the curcumin composite particles, and belongs to the technical field of nutritional active ingredient delivery systems. According to the preparation method, zein is taken as a core carrier, curcumin encapsulation is realized through an anti-solvent precipitation method, a compact gel middle layer is constructed by further adopting the protection performance of carrageenan and combining calcium ion mediated ionic crosslinking, and then the outer layer is coated with galactosylated chitosan with liver targeting property through electrostatic adsorption, so that the curcumin-containing hydrogel is prepared. And the curcumin-zein-carrageenan-galactosylated chitosan composite particle with a core-shell-shell structure is innovatively constructed. Compared with free curcumin, the composite particle has obviously improved light and heat stability, realizes controlled release of curcumin in a gastrointestinal tract environment, exerts an effect of obviously improving the alcohol-related liver disease, and has a good application prospect in the aspect of development of functional products for preventing and treating the alcohol-related liver disease.

The invention relates to the technical field of aquaculture feed, in particular to babylonia feed and a preparation method thereof. The babylonia lutosa feed is prepared from the following raw materials: fish meal, shrimp meal, soybean meal, wheat starch, corn starch, fish oil, vegetable oil, sodium alginate, carrageenan, betaine, an amino acid mixture, a vitamin premix, a mineral premix and an antioxidant. The feed can be dried and stored at normal temperature, and is convenient to store and transport; before being used, the feed is soaked in clear water for 30 minutes and can be swelled and jellied, so that babylonia can eat conveniently; meanwhile, the zero-dissolution-loss characteristic is achieved, and pollution to water quality and water bottom is reduced; a good food calling effect is achieved, and the feeding rate of babylonia can be increased; moreover, eating safety is guaranteed, healthy growth of Babylonia lutosa is promoted, and breeding benefits are improved.

The invention provides a preparation method and application of graphene pain-relieving health-care paste, and the method comprises the following steps: mixing carrageenan with water to obtain a carrageenan solution, and carrying out ionization degradation on the carrageenan solution to obtain a carrageenan oligosaccharide solution; the preparation method comprises the following steps: stirring graphene oxide and a carrageenan oligosaccharide solution, cleaning to obtain a mixed solution, adding sodium alginate into the mixed solution to prepare a gel precursor, and adding an anhydrous calcium chloride solution and effective components into the gel precursor to obtain the pain-relieving gel, and drying the gel to obtain the health-care paste. The health-care ointment has the effects of promoting blood circulation, activating collaterals and inhibiting inflammation, and is suitable for various chronic pains such as rheumatic arthritis and lumbar muscle degeneration and acute pains such as traumatic injury and muscle strain; the composition is also suitable for auxiliary relieving of postoperative pain, and has safety and long-term effect. Due to the thermal conductivity of the graphene oxide in the health-care cream, local skin blood circulation can be accelerated, the permeation efficiency of the herbal extract is improved, and the medicine effect of the effective components is improved.

The invention belongs to a heat absorption heating material, provides a nano micro powder heating coating, and solves the problems that the existing heating material cannot be used for a long time and is difficult to achieve an expected effect. The coating is prepared by mixing the following components in parts by weight: 15 to 20 parts of waterborne polyurethane emulsion, 30 to 45 parts of conductive carbon black micro powder, 0.1 to 0.3 part of special conductive carbon black micro powder, 0.05 to 0.1 part of carrageenan, 0.4 to 0.6 part of carboxymethylcellulose, 1.3 to 1.7 parts of ethanolamine, 30 to 50 parts of purified water and 0.25 to 0.5 part of preservative oxytetracycline. The finally formed coating is black, and a black object can absorb visible light and does not reflect light. The conductive carbon black micro powder and the special conductive carbon black micro powder are uniformly mixed in the coating to absorb light energy, then the light energy is stored in the coating through the photoelectric coupling effect, and the energy is converted into heat energy to be released when the temperature is reduced, so that the temperature is kept. And the preservative is added, so that the coating is durable, and the phenomena of falling off and the like are avoided.

The invention discloses Chinese prickly ash polysaccharide soft sweets and a preparation method thereof.The soft sweets comprise water, sugar, Chinese prickly ash polysaccharide and gels, the sugar is at least one of sweetening agents such as white granulated sugar, honey and xylitol, and the gels are at least one of gels such as gelatin tablets, agar, pectin or carrageenan. Artificial additives are avoided, and the soft sweets have remarkable antioxidant activity, such as free radical scavenging capacity, meet the snack requirements, and also can provide health-care functions, such as immunity enhancement, antisepsis and anti-inflammation.

This invention provides a method for preparing a daidzein nanoparticle delivery carrier, belonging to the field of food processing technology. Using zein, carrageenan, and sodium alginate as raw materials, this invention utilizes ultrasound technology to construct a novel nanoparticle delivery carrier: zein nanoparticles loaded with a carrageenan / sodium alginate bistabilized layer, thereby improving the stability and bioavailability of daidzein nanoparticles. The advantages of this invention lie in the simplicity and environmental friendliness of the antisolvent precipitation method and ultrasound technology. The prepared composite nanoparticles possess stable physicochemical properties, small particle size, relatively concentrated particle size distribution, and high bioavailability. This invention enhances the practical application value of daidzein-loaded proteoglycan nanoparticles in the food processing industry and provides a theoretical basis for the application of daidzein nanoparticle oral delivery systems.

The invention provides a wet response directional self-cleaning down-proof fabric, a preparation method thereof and a down feather product, the preparation method of the wet response directional self-cleaning down-proof fabric comprises the following steps: S1, adding polyester polyurethane and microcapsules into an organic solvent to obtain a spinning solution; the microcapsule comprises a photocatalyst and a shell layer wrapping the photocatalyst, the shell layer comprises a component A and a component B, the component A comprises at least one of gelatin, Arabic gum, carrageenan and starch, and the component B comprises calcium alginate; s2, a knitted fabric serves as a receiving substrate, the spinning solution is subjected to electrostatic spinning, drying and hot pressing, the knitted fabric contains cellulose fibers, and the mass percentage content of the cellulose fibers in the knitted fabric is larger than 50%. The down-proof fabric capable of conducting moisture in one direction can be prepared, moisture of a quilt is accumulated on one side of the nanofibers in the using process, the self-cleaning function is triggered in the moisture accumulation state, and the down-proof fabric has the advantages of being breathable and soft.

The invention relates to the technical field of carrageenan oral preparation production, in particular to a preparation method and device of a high-selenium-content selenized carrageenan oral preparation, and the device comprises a storage assembly which comprises a storage cylinder, and a material cylinder is placed in the storage cylinder; the stirring assembly comprises a rotating shaft, a stirring plate is mounted on the rotating shaft, and a transmission assembly is arranged above the stirring assembly; the crushing assembly comprises a crushing block arranged in the stirring plate; the device has the beneficial effects that through cooperation of a transmission assembly and a stirring assembly, algae materials and other raw materials in a material barrel are stirred and mixed, in the stirring and mixing process, a large section of algae materials enter a crushing feeding opening, and when a rotating shaft rotates along a limiting column, a second clamping block moves along the tracks of a spiral groove and a first connecting groove; when a second clamping block moves along a spiral groove, the height of the second clamping block is gradually increased, then a receding cavity is extruded through a second supporting plate, gas in the receding cavity is discharged into a first gas storage airbag, and a crushing block is pushed to crush algae materials.