812 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 present invention provides a gel candy containing DHA and a preparation method thereof. The gel candy containing DHA of the present invention is made of the following raw materials: 1-10 parts of edible colloid, including one or more of pectin, gelatin, carrageenan, agar, starch, locust bean gum, and xanthan gum; 75-90 parts of sweetener; 5-15 parts of DHA microcapsule powder; 2-10 parts of moisture retainer; 0.5-5 parts of acidity regulator-buffer salt pair, including one or more of citric acid and its sodium salt or potassium salt, DL-malic acid and its sodium salt, lactic acid and its sodium salt. The present invention also provides a preparation method for the above-mentioned gel candy, adding DHA microcapsule powder and acidity regulator-buffer salt pair in the last stage before casting and molding and mixing evenly; it can be cast into a solid or sandwich product, and the moisture content of the obtained gel candy is 8-20%. The gel candy of the present invention has no fishy smell during the shelf life of 18 months, and the product does not return to sand or melt.

The invention relates to the technical field of water adsorption materials, in particular to an aluminum-based MOF composite adsorbent and a preparation method and application thereof.The aluminum-based MOF composite adsorbent is obtained by weighing Al-MOF, adding the Al-MOF into a lithium chloride solution, conducting ultrasonic dispersion, stirring, filtering and drying at the temperature of 80-120 DEG C; adding sodium alginate and carrageenan into deionized water, and stirring to obtain double-network hydrogel; and adding the double-network hydrogel into the aluminum-based MOF adsorbent, uniformly mixing, forming by pelleting equipment to prepare adsorbent particles, and drying the adsorbent particles at the temperature of 80-120 DEG C to obtain the aluminum-based MOF composite adsorbent. According to the invention, Al-MOF, sodium alginate and carrageenan are mixed and molded, so that a high-strength hydrogel network can be obtained, and Al < 3 + > in an MOF skeleton and functional groups in sodium alginate and carrageenan in the dual-network hydrogel are coordinated, so that the network structure is tighter and more stable; the free movement of water molecules in the hydrogel can be effectively limited, so that the swelling property and the mechanical stability of the hydrogel are further adjusted.

Disclosed herein is a water-soluble film including pullulan, carrageenan, a plasticizer, and a cross-linker, wherein pullulan comprises from about 50 wt.% to about 75 wt.% of the film and the cross-linker, when present, comprises from about 0.001 wt.% to about 5.0 wt.% of the film, based on the total weight of the film.

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 discloses a method for preparing soybean protein hydrolysate-polysaccharide composite gel based on enzymolysis treatment, and belongs to the technical field of food processing and manufacturing. According to the method for preparing the soybean protein hydrolysate-polysaccharide composite gel based on the enzymolysis treatment, the soybean protein hydrolysate is prepared by performing enzymolysis treatment on the soybean protein through papain, and meanwhile, the polysaccharide is added in an auxiliary manner, so that a theoretical basis is laid for actual production and industrial application of soybean protein products with excellent gel property. The main process comprises the following steps: (1) carrying out extrusion puffing treatment and enzymolysis; (2) spray drying; (3) papain treatment; (4) adding carrageenan; and (5) heating, cooling and molding. The gel property of the soybean protein is effectively improved through the action of the papain and the addition of the polysaccharide, better economic benefits can be created for soybean gel products and the processing industry of the soybean gel products, development of the technical field of food processing and manufacturing is promoted, and remarkable economic and social benefits are achieved.

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.

The invention discloses a chitosan-carrageenan blended composite membrane containing a sand fruit peel extract and Vc and a preparation method thereof. The preparation method comprises the following steps: preparing the sand fruit peel extract, preparing a chitosan and carrageenan composite membrane forming solution, mixing the sand fruit peel extract and Vc, and finally selecting a proper membrane forming method to prepare the chitosan-carrageenan blended composite membrane. The natural and degradable biological composite membrane with good antioxidant and antibacterial capabilities is prepared. The composite membrane is prepared from the following raw materials in parts by mass: 1 to 3 parts of chitosan, 0.5 to 1.5 parts of carrageenan, 0.1 to 0.5 part of a sand fruit peel extract, 0.1 to 0.3 part of Vc, 0.4 to 1.2 parts of glycerol and 0.01 to 0.5 part of tween-80. The composite film has the characteristics of good mechanical property, strong water retention capacity, obvious antioxidant and antibacterial effects, natural degradability and the like.

The invention relates to the technical field of biological medicine, and particularly provides visual hydrogel based on multiple response mechanisms as well as a preparation method and application of the visual hydrogel. The preparation method comprises the following steps: (1) preparing an inclusion compound from beta-cyclodextrin, hydroxypropyl-beta-cyclodextrin and anthocyanin; (2) respectively preparing a polyvinyl alcohol / rhein solution and a mixed solution of quaternary ammonium salt chitosan / hyaluronic acid / kappa-carrageenan; and (3) initiating dynamic crosslinking through phenylboronic acid, constructing a multi-network structure by cooperating with tannic acid, the clathrate compound and genipin, and performing gradient temperature control curing to form the hydrogel. The hydrogel has the pH / temperature / ROS response characteristic, the wound surface microenvironment state can be fed back in real time by means of anthocyanin color change, meanwhile, hyaluronic acid / polyvinyl alcohol can construct a 3D microchannel structure, ordered arrangement of collagen is promoted, wound surface healing is accelerated, and the wound surface healing effect is improved. Therefore, the problems that direct loading of anthocyanin is unstable, and a single response mechanism is difficult to adapt to a complicated microenvironment of a diabetic wound surface are solved.

A water-soluble film comprising carrageenan and a 1-99% wt plasticiser, the film having:a. a light transmittance of greater than 20% measured with at least one wavelength in the range 400-800 nanometres; andb. a thickness from 40 to 200 micrometres.

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 relates to a preparation method and application of a corn straw beverage, belongs to the technical field of plant resource processing, and solves the technical problem of activity loss caused by easy oxidative degradation of flavonoid compounds in a corn straw water extract. According to the technical scheme, the method comprises the following steps: crushing corn straws, soaking in water, performing heat extraction for multiple times to obtain an extracting solution, performing rough filtration and centrifugation, and concentrating to obtain a water extracting solution; and mixing the water extract, sucralose, citric acid, potassium sorbate and purified water to prepare a beverage, sterilizing and filling. Flavonoid compounds are embedded through a potato starch nanoparticle and beta-cyclodextrin composite carrier, a sodium alginate-chitosan microcapsule double-layer coating and microcapsule jelly particle preparation technology is combined, a gel network is formed by compounding kappa-carrageenan and konjac glucomannan, and the embedding stability and release controllability of active ingredients are improved. The beverage prepared by the method has both herbal flavor and crisp and tender taste of jelly particles, effectively delays degradation of flavonoid compounds, and is suitable for being applied to development of functional plant beverages.

The invention discloses a preparation method of soybean protein isolate / kappa-carrageenan composite gel loaded VD3, and belongs to the technical field of food processing. The method comprises the following steps: (1) preparation of soybean protein isolate: dispersing defatted soybean powder in ultrapure water, and extracting soybean protein isolate powder through alkali dissolution and acid precipitation; (2) preparing a soybean protein isolate / kappa-carrageenan compound solution: dispersing soybean protein isolate in deionized water to obtain a soybean protein isolate solution, adjusting the pH value to 7.0, dispersing kappa-carrageenan in the soybean protein isolate solution, and stirring for 2 hours to obtain a compound solution; and (3) preparation of VD3-loaded soy isolate protein / kappa-carrageenan composite gel: dissolving VD3 in ethanol to obtain a VD3 solution, fully stirring and mixing the VD3 solution with the compound solution obtained in the step (2), heating for 30 minutes, and refrigerating and storing for 12 hours to obtain the VD3-loaded composite gel. The texture structure of the gel can be remarkably improved, the composite gel with good texture and rheological properties is prepared, and the application of VD3 in the food industry can be improved when the composite gel is used for carrying VD3.

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.

Provided herein is a water-soluble film that includes carrageenan and 1 to 99% wt plasticiser, based on dry weight of the film. Also provided is a water-soluble capsule that includes the film.

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 technical field of food fermentation, in particular to a method for removing fishy smell of eucheuma, which comprises the following steps: pretreating eucheuma; mixing the pretreated eucheuma with a lactobacillus plantarum solution, and fermenting in a fermentation tank; the fermentation tank comprises a reciprocating pump and an air supply system; after fermentation is completed, removing the bacterial liquid, cleaning the eucheuma, and draining water to obtain frond of the eucheuma; after fermentation, washing the eucheuma, carrying out alkali treatment, washing to be neutral, boiling glue in a water bath, and centrifuging to obtain algal glue; the eucheuma is treated by adopting a microbial fermentation technology, chemical substances are not introduced, the cost is low, and the operation is simple; through the pressurized injection technology combining the reciprocating pump with the air supply system, the bacterial liquid is used for impacting the surface of the eucheuma to form pits, so that various substances can be conveniently separated out, the contact area between the bacterial liquid and the eucheuma is increased, a better fermentation effect is achieved, and the fermentation time is shortened; the damage to a carrageenan network structure and the degradation of a molecular chain in a microbial fermentation process are reduced.

The invention relates to the technical field of seawater desalination, in particular to a degradable and recyclable solar seawater desalination evaporator and a preparation method thereof. The degradable and recyclable solar seawater desalination evaporator comprises a water supply layer and an evaporation layer, the water supply layer is made of carrageenan hydrogel; the evaporation layer is made of ferroferric oxide / yttrium iron garnet ferrite / carrageenan composite hydrogel. The degradable and recyclable solar seawater desalination evaporator disclosed by the invention can efficiently evaporate seawater into water vapor under the irradiation of sunlight, so that the yield of fresh water is increased. The photo-thermal conversion efficiency is high, and solar energy resources can be fully utilized. The evaporator also has the advantages of degradable recovery and magnetic recovery, and the cost and the environmental influence are reduced.

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 discloses a thick milk base as well as a preparation method and application thereof. The thick milk base comprises the following raw materials: 0.2%-0.3% of a compound emulsifying thickener, 8%-10% of vegetable oil, 2.2%-2.6% of an emulsifier and water, wherein the mass of each component accounts for the total mass of the raw materials of the thick milk base; the compound emulsifying thickener comprises carrageenan, gellan gum, microcrystalline cellulose and sodium carboxymethyl cellulose, and the mass ratio of the carrageenan to the gellan gum to the microcrystalline cellulose to the sodium carboxymethyl cellulose is (1-3): 1: (7-9): (1-3). The thick milk base disclosed by the invention can be stored under a normal-temperature condition, is uniform and fine in tissue state, and has good preservation stability.

The invention relates to the field of soil remediation, and particularly discloses a fertilizer synergist with a soil remediation effect and a preparation method of the fertilizer synergist. The invention discloses a fertilizer synergist with a soil remediation effect. The fertilizer synergist comprises the following raw materials in percentage by weight: 30-50% of an organic matter modifier, 5-10% of a microelement chelating agent, 10-20% of a biostimulant, 5-10% of a beneficial microbial agent and the balance of a filler, the biostimulant is a seaweed extract, and the seaweed extract is at least one of carrageenan, sodium alginate, propylene glycol alginate and agar; through the synergistic effect of a multi-component formula, the fertilizer synergist is promoted to effectively deal with the problems of soil heavy metal pollution, salinization and organic matter loss, the soil structure is improved, and the product quality is improved.

The present invention relates to the technical field of seawater desalination, and in particular to a degradable and recyclable solar seawater desalination evaporator and a preparation method thereof. The degradable and recyclable solar seawater desalination evaporator of the present invention comprises a water supply layer and an evaporation layer; the water supply layer is a carrageenan hydrogel; and the evaporation layer is a ferroferric oxide / yttrium iron garnet ferrite / carrageenan composite hydrogel. The degradable and recyclable solar seawater desalination evaporator of the present invention can efficiently evaporate seawater into water vapor under the irradiation of sunlight, thereby increasing the output of fresh water. It has high photothermal conversion efficiency and can make full use of solar energy resources. The evaporator also has the advantages of degradable recycling and magnetic recovery, which reduces costs and environmental impacts.