28 results about "Algal polysaccharides" patented technology

The invention discloses a biochar-based soil improvement fertilizer and a preparation method thereof, and belongs to the technical field of agricultural fertilizers, the biochar-based soil improvement fertilizer comprises the following components by weight: 50-70 parts of modified biochar; 10-15 parts of a chemical fertilizer; a chitosan chain segment and an amino acid polymer chain segment are grafted on the modified charcoal; the raw materials of the modified biochar comprise biochar, chitosan and an amino acid polymer in a mass ratio of 1: (0.1-0.3): (1.5-2.5). In addition, the biochar-based soil improvement fertilizer also comprises 3-4 parts of zinc humate. According to the biochar-based soil improvement fertilizer disclosed by the invention, the adsorption capacity and anti-saturation capacity of biochar to anions and cations are improved, and meanwhile, the biochar-based soil improvement fertilizer is endowed with excellent soil hardening resistance and water and fertilizer retention performance, so that synergism and unification of soil improvement and efficient utilization of nutrients are realized.

The present application relates to the technical field of corn fertilization, and provides a corn whole growth period precise fertilization method, which comprises the following steps: S1, applying base fertilizer containing nitrogen fertilizer, phosphorus fertilizer, potassium fertilizer, brown algal polysaccharide, calcium ammonium nitrate, zinc citrate, potassium humate and gamma-polyglutamic acid between corn rows when corn is sowed; S2, spraying leaf fertilizer containing potassium dihydrogen phosphate, magnesium sulfate, alginic acid and polyaspartic acid during the corn filling stage; the base fertilizer is slow-release fertilizer, and after granulation, the base fertilizer is coated with a polyester composite layer and a wax layer in sequence. According to the present application, the base fertilizer is made into double-layer coated slow-release particles and applied with sowing, the outer layer of furfural / wax forms a hydrophobic barrier to inhibit the burst release and salt damage during the seedling stage, and the inner layer of polyester composite layer forms controllable water channels and slowly hydrolyzes with time, so that nutrients are supplied in stages in a platform mode during the corn growth period, and precise fertilization and efficient utilization are achieved during the whole growth period.

The invention relates to a biostimulant composition containing polymerized glutamate sugar ester as well as a preparation method and application thereof, and belongs to the technical field of fertilizer synergists. According to the scheme, the full-water-soluble composite biostimulant is prepared by taking polymerized glutamate sugar ester and algal polysaccharides as main functional components and compounding active substances such as gamma-aminobutyric acid. The product can achieve the functions of promoting crop rooting, improving nutrient absorption and utilization efficiency, improving crop stress resistance, improving crop quality, improving soil, preserving water and fertilizer and the like according to different composition components.

The invention relates to a lubricant for drilling fluid, a lubricant additive and a preparation method and application of the lubricant and the lubricant additive. The lubricant additive comprises C8-C14 vegetable oil, molybdenum disilicide, natural resin and / or modified natural resin, an algal polysaccharide solution, a nonionic surfactant and a defoaming agent. The C8-C14 vegetable oil with excellent thermal stability and the anti-extreme-pressure molybdenum disilicide are used as core lubricating components, and are compounded with the anti-salt emulsification system consisting of the natural resin, the algal polysaccharide and the surfactant and the defoaming agent, so that the lubricant still keeps stable lubricating property and emulsification state in extreme environments such as high temperature (more than 200 DEG C) and high salt; the defects that a traditional product is easy to decompose and demulsify are effectively overcome, the defoaming agent has excellent defoaming capacity and wide universality, and the efficiency and safety of deep well and ultra-deep well drilling operation are remarkably improved.

The invention discloses a biological organic leaf fertilizer as well as a preparation method and application thereof, and belongs to the technical field of agricultural planting. Comprising the following raw materials in parts by weight: 40-55 parts of soybean protein fermentation liquor, 8-12 parts of nano silicon dioxide aerogel, 10-15 parts of bacillus subtilis, 13-20 parts of an algal polysaccharide extract, 6-9 parts of fulvic acid, 3-8 parts of trace elements, 3-5 parts of a chitosan derivative and 0.1-2 parts of a film-forming agent. The components in the foliar fertilizer provided by the invention have a synergistic effect, so that the foliar fertilizer not only can effectively provide comprehensive nutrition for soybeans and promote growth and development of the soybeans, but also can enhance the stress resistance of the soybeans, especially has outstanding performance in the aspect of relieving waterlogging damage, and is beneficial to improving the yield and quality of the soybeans. The preparation method provided by the invention is simple and easy for large-scale production, and has remarkable economic benefits.

The application is high-fiber low-fat butter with immunoregulatory function and a preparation method thereof; the butter is prepared from water phase and oil phase according to a volume ratio of 60%-80%:20%-40%; the water phase comprises water, edible mushroom polysaccharide and algal polysaccharide, and the mass fractions of the edible mushroom polysaccharide and the algal polysaccharide are 0.5%-2.5% and 0.5%-2.5% respectively; the oil phase comprises vegetable oil, polyglycerol monooleate and beeswax; the mass fractions of the polyglycerol monooleate and the beeswax are 0.5%-1.5% and 2%-3.5% respectively; the preparation method is as follows: first, edible mushroom polysaccharide and algal polysaccharide are weighed according to the proportion of the volume of the water phase, and polyglycerol monooleate and beeswax are weighed according to the proportion of the volume of the oil phase; then, the weighed water phase substances are heated and dissolved in the water phase for standby; the weighed oil phase substances are heated and dissolved in the oil phase for standby; then, the obtained water phase is added to the obtained oil phase, and mixed and homogenized under water bath condition; finally, the obtained emulsion is cooled and homogenized under ice bath condition until the emulsion is coagulated, and the high-fiber low-fat butter with immunoregulatory function is obtained.

The invention relates to the technical field of agricultural fertilizers, and discloses a compound fertilizer based on bioactive hydroxyapatite superfine powder and a preparation method thereof. According to the fertilizer, animal bone-derived hydroxyapatite superfine powder is taken as a core and is subjected to compound activation through zeolite, organic silicon and titanium dioxide, and multifunctional activated powder with a core-shell structure is formed. Then compounding the activated powder with algal polysaccharides, polyglutamic acid and trace elements containing zinc, boron and molybdenum under the action of a dispersing agent, and preparing a stable concentrated suspension through a high-pressure homogenization process; or further mixing with a bentonite carrier, and preparing into a granular fertilizer through a granulation process. Through an innovative composite activation process, efficient slow release and utilization of nutrients are realized, the fertilizer is endowed with multiple functions of degrading pesticide residues, passivating heavy metals and inhibiting pathogenic bacteria, and the fertilizer is cooperated with biostimulant, so that the yield and stress resistance of crops are remarkably improved.

The invention belongs to the technical field of extraction and application of algae polysaccharide, and discloses gracilaria lemaneiformis polysaccharide as well as a preparation method and application thereof. The structural formula of the gracilaria lemaneiformis polysaccharide is as shown in the formula (1). The gracilaria lemaneiformis polysaccharide provided by the invention can promote reduction of cell melanin expression, has a whitening effect, and can be used for preparing medicines or cosmetics for treating / preventing skin photoaging pigmentation. The preparation method provided by the invention is green, safe, pollution-free, simple to operate, economical, time-saving and high in practicability.

The algal polysaccharide extraction and processing integrated device comprises a workbench and a bearing plate, a liquid nitrogen treatment tank and a feeding tank are arranged on the workbench, an enzymolysis tank and an extraction tank are arranged on the bearing plate, a material guide pipe is connected between the enzymolysis tank and the extraction tank, and a material guide pump is arranged on the material guide pipe; a feeding pipe penetrating through the workbench is connected between the enzymolysis tank and the feeding tank, the barrel can be transferred between the liquid nitrogen treatment tank and the feeding tank, the barrel can be inserted into the liquid nitrogen treatment tank and the feeding tank, through holes are distributed in the side wall of the barrel, a cover plate is arranged at the upper end of the barrel, a crushing shaft extending into the barrel is arranged on the lower side of the cover plate, and the crushing shaft is connected with the feeding fan. And the feeding fan and the cover plate are connected through a pipeline so as to blow air into the barrel body. According to the algal polysaccharide extraction and processing integrated device disclosed by the invention, a plurality of links such as liquid nitrogen embrittlement, crushing, conveying, enzymolysis and extraction in the algal polysaccharide extraction and processing process are integrated, so that the production efficiency is greatly improved, and the production cost is reduced.

The invention relates to the technical field of cosmetics, and particularly discloses a tearable aerosol mask and a preparation method thereof. Raw materials of the tearable aerosol mask comprise a humectant, a thickener, a composite film-forming agent, an active matter and water, and raw materials of the composite film-forming agent comprise acetylated modified pullulan, algal polysaccharides, azone and polyvinylpyrrolidone. The tearable aerosol mask is rapid and uniform in film forming, is fluid during spraying and is gel after adhesion, the dispersion characteristic of aerosol enables the raw material components to be in contact with skin more softly, the formed mask gives the skin fresh and cool and nourishing and has no thick and sticky feeling, the efficient skin instant repairing and moisturizing effects are achieved, the toughness and adhesive force of the mask are matched with the tearable requirement, and the tearable aerosol mask is suitable for being used as a mask. The skin care mask is not easy to break when being torn off, can clean redundant substances on the surface of the skin, and can effectively meet the requirements of people for skin care portability, instantaneity and high efficiency in a mobile environment.

The present application relates to the technical field of baked food, and particularly relates to an antioxidant baked composition and application thereof.The present application provides an antioxidant baked composition, which comprises an antioxidant composition and a baked ingredient; the antioxidant composition comprises the following components in parts by weight: 3-5 parts of chlamydomonas reinhardtii powder, 4-6 parts of tea tree flower powder and 3-5 parts of apocynum venetum tea powder.The chlamydomonas reinhardtii in the antioxidant composition of the present application contains algal polysaccharide and carotenoid, and provides high-quality protein and polyunsaturated fatty acid; the tea tree flower contains flavonoids and tea polysaccharide; the apocynum venetum tea contains flavonoid substances; the three raw materials are compounded in the present application, the active ingredients synergistically act, the antioxidant capacity is significantly improved, and the three raw materials synergistically enrich the nutritional composition (protein, dietary fiber and functional ingredients) of the product, realizing the dual values of "antioxidation + nutrition strengthening".

The invention provides a composite water body additive for domesticating parent fish of wild sal-family pseudosciaena crocea and application of the composite water body additive, and belongs to the technical field of aquaculture. The composite water body additive is prepared from the following components in parts by mass: 0.02 to 0.06 part of gamma-aminobutyric acid, 3 to 8 parts of esterified vitamin C, 10 to 15 parts of broad-spectrum aquatic antibacterial medicine, 20 to 50 parts of magnesium sulfate and 5 to 10 parts of algal polysaccharide extract. According to the compound additive disclosed by the invention, through scientific combination of various functional components with a synergistic effect, the compound additive has three functional modules, namely an anti-stress function module, an antibacterial function module and a water body stabilizing function module, and multi-dimensional regulation and control on internal and external environments of parent fish of wild sal ammoniac pseudosciaena crocea can be realized on the premise of not influencing basic parameters of water quality; the death rate of parent fishes can be effectively reduced, the feeding rate is improved, and the domestication period is remarkably shortened.

The utility model belongs to the technical field of algal polysaccharide purification, and particularly relates to algal polysaccharide purification equipment for an algal polysaccharide antiviral activity test, the algal polysaccharide purification equipment comprises an upper hopper and a lower hopper, an adjusting ring is rotatably connected between the upper hopper and the lower hopper, the adjusting ring is composed of two annular plates, an annular groove is formed in the inner wall of the upper hopper, and the annular plate is arranged in the annular groove. A coarse filter plate is arranged in the annular groove, and an elastic piece is arranged in the annular groove; a fine filter plate is arranged between the annular plate on the upper side and the feeding hopper, the inner wall of the annular plate on the lower side is fixedly connected with an aperture adjusting plate, the aperture adjusting plate abuts against the fine filter plate, and an angle positioning piece is arranged between the discharging hopper and the annular plate on the lower side. According to the utility model, the proper filtering aperture can be adjusted according to the separation requirement of seaweed for coarse filtration and fine filtration, and the separation effect is effectively improved.

The invention relates to the technical field of biological medicine, in particular to a composition for reducing the occurrence rate of renal edema and improving the glomerular filtration function and application. The composition comprises the following active ingredients: pseudo-ginseng, American ginseng powder and algal polysaccharides, and the active ingredients are crushed, sieved and uniformly mixed to prepare different dosage forms. The composition has remarkable and excellent effects on reducing the occurrence rate of renal edema and improving the glomerular filtration function, and compared with products in the prior art, the composition has the advantage that the use cost of raw materials is reduced.

This invention relates to the field of aquaculture technology, and in particular to a biological attractant based on Schizochytrium fermentation broth and its preparation method; the biological attractant based on Schizochytrium fermentation broth is obtained by processing the fermentation broth after oil extraction from Schizochytrium; the fermentation broth after oil extraction from Schizochytrium is the residual fermentation broth after supercritical CO2 oil extraction or enzymatic hydrolysis oil extraction from Schizochytrium; the preparation method includes: pretreatment of fermentation broth, sterilization and stabilization treatment, concentration and regulation, and filling and storage; the three core components in the fermentation broth work synergistically, umami amino acids quickly trigger the taste perception of aquatic animals, algal polysaccharides slowly release odor molecules to prolong the feeding attraction time, and DHA enhances natural tropism, significantly improving the feeding induction rate of Litopenaeus vannamei, and maintaining a stable feeding attraction effect even in rainy and low-temperature environments; relying on the natural viscosity and structural characteristics of algal polysaccharides, there is no need to add stabilizers such as xanthan gum.

The invention relates to algal polysaccharide atomized liquid for non-chronic wound nursing, which is prepared from the following components in percentage by mass: 0.8 to 1.0 weight percent of sodium alginate, 1.5 to 1.9 weight percent of algal polysaccharide, 0.6 to 0.8 weight percent of sodium chloride and the balance of PBS (Phosphate Buffer Solution). The application has the effect of improving the wound healing effect.

The invention discloses a formula of an abalone feed taking sea horse teeth as a raw material. Relates to the technical field of abalone feed formulas. 15-30% of a plant protein source; 5-12% of a composite mineral additive; 1-5% of a vitamin premix; 3-8% of an algal polysaccharide adhesive; 1-15% of spirulina powder; and the balance of the compound probiotic preparation. According to the formula, the sea horse teeth are used for replacing part of animal protein, the cost is low, the environment is protected, nutrition can be accurately supplied, the abalone growth performance, disease resistance and survival rate are improved, the meat quality is improved, and green breeding is facilitated.

The application discloses a kind of nutrient fertilizer for improving crop yield and application thereof, belong to crop fertilizer technical field.The nutrient fertilizer of the application includes the following raw materials by weight percentage: urea 45%-60%, humic acid salt 15%-25%, algal polysaccharide 10%-15%, potassium dihydrogen phosphate 4%-6%, trace element 1%-3%, ammonium sulfate 1%-3%, bitter gourd peptide 6%-10% and tannic acid 1%-3%.The application is reasonable by matching nitrogen, phosphorus and potassium and trace element, combined with low molecular bitter gourd peptide and low concentration tannic acid, so that the synergistic effect between each raw material, promote the absorption and utilization of nutrients for crops, significantly improve the fertilizer utilization rate and crop yield.

The invention relates to the field of animal nutrition and feed additives, in particular to an organic copper chelate as well as a preparation method and application thereof. The preparation method of the organic copper chelate comprises the following steps: (1) mixing amino acid, algal polysaccharides, trace element copper and an optional catalyst in the form of dry powder, and then adding a wetting agent accounting for 2-5% of the total weight of the materials for wetting treatment; (2) carrying out a pressing reaction on the humidified material under heating and pressurizing conditions; and (3) granulating a product obtained after the pressing reaction. According to the method, amino acid and algal polysaccharides are used as double organic ligands and are subjected to complex reaction with trace element copper under the action of a catalyst, and meanwhile, a compression molding process is combined, so that continuous integrated operation of reaction and molding is completed in the same system; and the method has the advantages of simple process, no wastewater, no organic solvent, high operation safety, high production efficiency and the like.

The application discloses a compound fertilizer for preventing and treating rice foul brood and a preparation method thereof and belongs to the technical field of fertilizers. The compound fertilizer is prepared from the following components in parts by mass: urea 20-25 parts, ammonium chloride 25-30 parts, potassium chloride 25-30 parts, calcium superphosphate 15-20 parts, animal manure 30-35 parts, plant straw 15-20 parts, modified attapulgite clay powder 15-18 parts, mixed plant extract 15-18 parts, potassium humate 10-15 parts, carboxymethyl chitosan 8-10 parts, carrageenan oligosaccharide 5-8 parts, algal polysaccharide 3-5 parts, compound microbial inoculant 3-5 parts and wintergreen oil 3-5 parts. The compound fertilizer contains organic fertilizer components, inorganic fertilizer components and biological fertilizer components, and the three components are synergistically combined, so that the disease resistance of rice can be effectively improved, the reproduction of the pathogenic bacteria of rice foul brood can be inhibited, and the occurrence rate of rice foul brood can be reduced.

The invention relates to the field of degradable plastics, in particular to an antibacterial film, a preparation method and a freshness protection bag. The antibacterial film is of a layered structure and comprises a polymer layer and a coating layer, the one or two coating layers are positioned on one side or two sides of the polymer layer; the polymer layer is prepared by melting and mixing poly (butylene adipate-co-terephthalate), polylactic acid, polymethyl ethylene carbonate, an inorganic filler, a chain extender, a slipping agent and an antioxidant, and the coating layer is prepared from an algal polysaccharide solution, origanum essential oil and bamboo leaf essential oil; by preparing the raw materials of the specific coating layer, including the algal polysaccharide solution, the origanum vulgare essential oil and the bamboo leaf essential oil, the oxygen permeability of the prepared film is lower than that of an uncoated polymer layer and a PE film in the prior art, and the preservation time of food can be effectively prolonged.

The invention belongs to the field of aquatic product processing and preservation, and provides a shrimp meat water-retaining agent and application thereof, and the shrimp meat water-retaining agent comprises algal polysaccharides. According to the water-retaining agent, the edible red algae polysaccharide subjected to ultrasonic treatment is adopted as a main component, and compared with a common phosphate water-retaining agent, the water-retaining agent has better safety and environment-friendly characteristics on the basis of providing excellent water-retaining performance and texture feature keeping performance.

The invention relates to a three-in-one hemorrhoid-preventing self-dissolving drug delivery treatment patch capable of being used in broad-spectrum underpants, and belongs to the technical field of medical care. The patch comprises a detachable adhesion layer, a temperature-sensitive slow-release layer and a core medicine layer, the core medicine layer is formed by compounding nanocarbon, marine active substances (algal polysaccharides and chitin), dragon's blood, borneol, gallnut, coptis chinensis and the like, and the targeting property is enhanced through a nanotechnology; and the temperature-sensitive slow-release layer adopts a compound of poly (N-isopropylacrylamide) (PNIPAM) and chitosan, and continuously releases drugs under the triggering of body temperature. The patch can be adhered to the crotch of a pair of underpants like a sanitary towel, can be self-dissolved for administration after being in contact with a focus, and is effective for internal and external hemorrhoids and mixed hemorrhoids. Clinical data show that the total effective rate reaches 95.8%, and no skin irritation is caused. The product integrates traditional Chinese medicines, nanotechnology and intelligent materials, and solves the problems of uncontrollable drug release and poor adaptability of the existing hemorrhoid patch.

The invention belongs to the technical field of aquaculture feed additives, and particularly relates to a preparation method of a clostridium butyricum fermentation metabolite and application of the clostridium butyricum fermentation metabolite in aquatic animal breeding. According to the clostridium butyricum fermentation medium disclosed by the invention, the fermentation medium is improved, and components such as methyl-beta-cyclodextrin, betaine and algal polysaccharides are added into the clostridium butyricum fermentation medium, so that accumulation of fermentation metabolites of the clostridium butyricum is facilitated, the fermentation effect of the clostridium butyricum is remarkably improved, and moreover, the fermentation effect of the clostridium butyricum is improved. The obtained clostridium butyricum fermentation metabolite is compounded with clostridium butyricum to prepare a feed additive, after the feed additive is used for culturing penaeus vannamei boone, the weight gain of the penaeus vannamei boone is obvious, the weight gain of the penaeus vannamei boone is increased from 7.3 g / head to 15.8 g / head, and meanwhile, the survival rate of the penaeus vannamei boone reaches up to 95%.

The application discloses a composite base material for promoting growth of edible fungi and belongs to the technical field of edible fungus cultivation. Components specifically comprise: main material composed of 35-45 parts of mixed wood chips and 20-30 parts of corn cob, nitrogen source auxiliary material composed of 2-7 parts of bran and 1-3 parts of corn flour, mineral additive composed of 1-3 parts of gypsum and 0.3-0.8 parts of calcium carbonate, bacteriostatic functional auxiliary material and 1-3 parts of loaded zeolite functional package; wherein the bacteriostatic functional auxiliary material is prepared by fermenting and pretreating 3-8 parts of tea chaff, 8-12 parts of coffee residue, 3-8 parts of water caltrop shell powder, 2-7 parts of bran and 1-3 parts of corn flour by microbial agents, and the loaded zeolite functional package is made of zeolite loaded with methyl jasmonate, algal polysaccharide and magnesium sulfate; the application overcomes technical bottlenecks such as difficult control of mixed bacteria pollution, limited use of chemical pesticides, unbalanced nutrient supply and difficult use of natural bacteriostatic materials through material innovation and process innovation.

The application provides a detoxification and repair medical dressing for treating and relieving stubborn vulvar leukoplakia and a preparation method thereof, and relates to the technical field of gel dressings. The medical dressing is composed of a gel component and a composite antibacterial repair component, and the composite antibacterial repair component is composed of modified corn starch, anise camphene, eugenol, algal polysaccharide and Gynura japonica fermented inactivated extract. The Gynura japonica fermented inactivated extract is obtained by fermenting Gynura japonica with Bacillus subtilis and lactic acid bacteria and then inactivating. The application overcomes the shortcomings of the prior art, can effectively relieve itching during the treatment of vulvar leukoplakia under the premise of having an antibacterial effect, shortens the overall treatment cycle, and improves the comfort of treatment.

The invention discloses a macroelement water-soluble fertilizer and a preparation method thereof. The macroelement water-soluble fertilizer is prepared from the following raw materials in parts by weight: 30 to 50 parts of urea, 25 to 35 parts of ammonium phosphate, 3 to 8 parts of potassium chloride, 20 to 25 parts of potassium sulfate, 0.2 to 0.5 part of a modified polyglutamic acid aid, 5 to 10 parts of mineral source humic acid microcrystals, 0.4 to 1 part of boric acid, 0.4 to 1 part of zinc sulfate, 0.2 to 0.4 part of algal polysaccharide and 0.1 to 0.2 part of filamentous Stefan. The macroelement water-soluble fertilizer disclosed by the invention has the effects of improving soil, preventing and treating diseases, promoting growth and improving quality.

Belonging to the technical field of edible fungus cultivation, the invention discloses a composite base material for promoting growth of edible fungi, which specifically comprises the following components: a main material composed of 35-45 parts of weed tree sawdust and 20-30 parts of corncob, a nitrogen source auxiliary material composed of 2-7 parts of bran and 1-3 parts of corn flour, a mineral additive composed of 1-3 parts of gypsum and 0.3-0.8 part of calcium carbonate, and an auxiliary material composed of 1-3 parts of gypsum and 0.3-0.8 part of calcium carbonate. An antibacterial functional auxiliary material and 1-3 parts of a supported zeolite functional bag; wherein the bacteriostatic functional auxiliary material is prepared from 3-8 parts of tea seed meal, 8-12 parts of coffee grounds, 3-8 parts of water chestnut hull powder, 2-7 parts of bran and 1-3 parts of corn flour through microbial agent fermentation pretreatment, and the supported zeolite functional bag is prepared from zeolite supported jasmonic acid methyl ester, algal polysaccharides and magnesium sulfate. Through material innovation and process innovation, the technical bottlenecks that infectious microbe pollution is difficult to control, the use of chemical pesticides is limited, nutrient supply is unbalanced, natural antibacterial materials are difficult to use and the like are overcome.