3180 results about "Sucrose" patented technology

A recovery treatment apparatus for trichloroethane in sucralose production. The rotation of an output shaft of a motor (7) drives multiple gas suction assemblies (31) to rotate, so that a negative pressure environment is formed, and the transmission of tail gas from the bottom of a water washing tower (1) into a gas guide pipe (2) is accelerated; and at this time, multiple atomizing nozzles (19) spray mist and the mist is sprayed to the tail gas passing through a sieve plate (23), then HCl gas in the tail gas is absorbed when in contact with water, thereby achieving the effect of purifying toxic gas HCl. Along with the rotation of a rotating rod (10), a collar (12) further drives L-shaped connecting rods (14) and turning blocks (15) to turn filter materials, so that collision and displacement occur between the filter materials; and at this time, particulate impurities adsorbed on the surfaces of the filter materials are cleaned under the flow of water vapor, and meanwhile, the vibration generated by dynamically moving filter materials can also cause the adsorbed particulate impurities to be shaken off. Thus, the continuous purification and adsorption effect of filter materials is improved, and the service cycle of filter materials can be prolonged at the same time.

The invention relates to the technical field of freeze-dried preparations, and provides exosome freeze-dried powder as well as a preparation method and application thereof. The exosome freeze-drying preparation is prepared by mixing an exosome solution and a freeze-drying protection solution and then freeze-drying the mixture, the concentration of the exosome solution in the mixed solution is 0.1-10% V / V, and the freeze-drying protection solution comprises 0.4-4% W / V of saccharides and 0.25-4% W / V of alcohols; the saccharide is trehalose, cane sugar or lactose; the alcohol is mannitol, sorbitol or a combination of mannitol and polyethylene glycol; and the solvent is sterilized water for injection or a PBS buffer solution. The exosome freeze-dried powder is stable in activity, small in irritation, good in safety and good in fibroblast proliferation promoting capacity, when the exosome freeze-dried powder is applied to supporting essence or masks in the medical beauty industry, the exosome activity of the exosome freeze-dried powder is still kept stable, and the application prospect is good.

The invention relates to a preparation method and application of high-compaction-density composite sodium ferric phosphate. The preparation method comprises the following steps: weighing a sodium source, an iron source and a phosphorus source according to a stoichiometric ratio of [xNa + (a-x) A]: [yFe + (b-y) B]: P = a: b: (c + 2), mixing and dispersing the iron source, the sodium source, the phosphorus source and a chelating agent into pure water, reacting for a period of time at a certain temperature, transferring into a sand mill for grinding, adding a dispersing agent, cane sugar, the dopants A and B, and obtaining slurry F after grinding; and carrying out spray drying on the slurry F to obtain powder K. The powder K is transferred to a tubular furnace, and the oxygen content is 1t under the N2 protective atmosphere; and calcining at the temperature of 450-600 DEG C under the pressure of 50 ppm, and then carrying out air jet pulverization to obtain sodium ferric pyrophosphate positive electrode material powder with high compaction density and a molecular formula of (NaxAa-x) (FeyBb-y) (PO4) cP2O7. When the product is used, the compaction density is high, the dynamic performance of the material is enhanced, the thermal stability and chemical stability of the material are improved, and the electrochemical performance is good.

The invention relates to a halophilic bacterium plasmid based on a sucrose lethal gene. The invention also provides a method for obtaining engineering halophilic bacteria without plasmids by using the halophilic bacteria plasmids.

The invention discloses a method for extracting extracellular vesicles from dried Sanguisorba officinalis rhizomes and application of the extracellular vesicles, and relates to the technical field of molecular biology and biomedicine.The method comprises the following steps that S1, rehydration is conducted, specifically, the dried Sanguisorba officinalis rhizomes are subjected to liquid nitrogen quick freezing and then ground into powder at the low temperature, the powder and hydration liquid are mixed according to the proportion of 1: 10 (w / v), the mixture is slowly stirred for 2-4 h at the temperature of 4 DEG C, and the extracellular vesicles are obtained; removing large-particle impurities by using sterile gauze or a filter screen, and collecting filtrate; according to the method, through the synergistic effect of multiple enzymolysis and in combination with cellulase, pectinase and the like, the degradation efficiency is remarkably improved, meanwhile, EDTA is chelated with metal ions, and the enzymolysis effect is enhanced. Short-time alternating ultraviolet light is introduced to activate'dormant 'vesicles, so that the yield and the biological activity are improved. Secondly, multiple protection mechanisms, such as vitamin C, EDTA (Ethylene Diamine Tetraacetic Acid), cane sugar, BSA (Bovine Serum Albumin) and an ultraviolet protective agent are adopted, so that the integrity and the biological activity of the vesicles are ensured.

The invention relates to the technical field of oral cavity cleaning and nursing materials, and discloses an oral cavity nursing composition containing plant extract components, which comprises plant extract components, inactivated probiotics, prebiotics and fluoride. The preparation method of the toothpaste product comprises the following steps: step 1, weighing corresponding components according to a formula, adding the cortex magnoliae officinalis extract, the lactobacillus paracasei, the fructo-oligosaccharide, the sucralose, the sodium benzoate and the sodium fluoride into the deionized water, stirring to fully dissolve, then adding the glycerol and the sorbitol, and stirring uniformly to obtain a mixture 1; fully mixing silicon dioxide, cellulose gum, hydroxyethyl cellulose and sodium lauryl sulfate to obtain a mixture 2; compared with the prior art, the oral cavity cariogenic bacteria inhibiting composition has the advantages that various oral cavity cariogenic bacteria are inhibited safely and effectively by using plant extract components, and beneficial bacteria proliferation is promoted by inactivating probiotics agglutinating harmful bacteria and prebiotics, occupation in oral mucosa is increased, colonization of harmful bacteria is reduced, so that the anti-sugar effect is achieved, and caries are prevented.

The present invention discloses a crack-channel polymer membrane based on sucrose fatty acid ester (SE) and a preparation method thereof. Sucrose fatty acid ester (SE) is used as an additive, and a membrane material with a crack-like high-porosity structure is prepared by a non-solvent-induced phase transformation method. The preparation method is universal in PMIA membrane, PVDF membrane, PES membrane, PSf membrane and PAN membrane. The microscopic effect of the amphiphilic property of SE between the casting liquid and the coagulation bath, as well as the microphase separation self-assembly strategy of SE itself, is utilized to regulate the multi-level scale membrane structure of the membrane material to realize a high-porosity membrane material with a specific crack-like surface structure, a high surface opening rate, and good uniformity of the surface pore size structure, thereby achieving a dual-effect improvement of the fine selection ability and permeability of the membrane; it can also give the membrane material permanent hydrophilicity, further improving the anti-pollution ability of the membrane, and can better meet the market demand for new filter membrane materials with excellent performance.

The invention relates to the technical field of asphalt modifiers, and particularly discloses an asphalt regenerant as well as a preparation method and application thereof. The asphalt modifier comprises an oil phase, a polymer phase, a nano reinforced phase and a functional additive phase, wherein the oil phase comprises petrochemical oil and vegetable oil; the polymer phase comprises four-arm radiation star-shaped SBS and a rubber powder lysis solution; the nano reinforced phase comprises silane coupling agent modified nano montmorillonite and graphene; the functional additive phase comprises maleic anhydride grafted polyethylene and sucrose ester. The asphalt regenerant provided by the invention is suitable for various types of aged asphalt, in particular to aged polymer modified asphalt, each failure phase of the aged polymer modified asphalt is accurately repaired through a multi-phase synergistic mechanism, full-dimension regeneration of the aged polymer modified asphalt from a molecular scale to macroscopic performance is realized, and the asphalt regenerant has a wide application prospect. Excellent applicability and reliability are shown in regeneration of various types of aged asphalt, and a powerful guarantee is provided for high-quality implementation of road engineering.

The invention relates to a method for increasing the sweetness value of carbohydrates by using an aroma substance containing isoeugenol, which comprises the following steps: mixing the carbohydrates and the aroma substance containing isoeugenol, and exploring the influence on the sweetness response value by using an electronic tongue and a molecular simulation technology. The aroma substance containing isoeugenol comprises isoeugenol or an isoeugenol capsule clathrate compound, the carbohydrate substance comprises cane sugar, and the isoeugenol capsule clathrate compound is an isoeugenol / gamma-cyclodextrin capsule clathrate compound. Compared with the prior art, the sweetening effect of the isoeugenol is obvious under the cane sugar concentration of 7wt%-9wt%; the sweetening effect of the isoeugenol capsule clathrate compound is higher than that of isoeugenol under the same condition, the aroma is more lasting and soft at high temperature, the sweet response value is larger, molecular docking shows that the capsule clathrate compound further strengthens the interaction between sucrose and sweet receptor protein, a theoretical support is provided for precise regulation and control of food flavor, and the isoeugenol capsule clathrate compound has good application prospects. The method can be used for developing novel food and beverage products.

The invention relates to a method for constructing HPLC (High Performance Liquid Chromatography) contents of multi-index components of a reference sample of traditional Chinese medicine powder, which comprises the following steps: step 1, preparation of a reference sample of Kaixin powder: taking polygala tenuifolia, ginseng, poria cocos and rhizoma acori graminei, and crushing into fine powder; 2, preparing a Kaixin powder reference sample and a reference substance detection solution; 3, detecting the Kaixin powder reference sample and the reference substance detection liquid by adopting an HPLC (High Performance Liquid Chromatography) instrument to obtain a chromatogram; and step 4, calculating the content of the effective components in the Kaixin powder reference sample according to the chromatogram. Wherein in the step 3, an HPLC (High Performance Liquid Chromatography) instrument is adopted for detection, and a chromatogram is obtained; comprising the following steps: step A, detecting the contents of polygala # imgabs0 # ketone III, 3, 6 '-dimustard acyl sucrose and beta-asarone in rhizoma acori graminei in polygala tenuifolia; step B, detecting the contents of ginsenoside Rg1, ginsenoside Re and ginsenoside Rb1 in the ginseng; and step C, detecting the content of tenuifolin in the polygala tenuifolia.

The invention relates to a preparation method and application of a carbon dot-based nano enzyme. The preparation method of the carbon dot-based nano-enzyme comprises the following steps: taking sucralose and B vitamins as raw materials, and preparing the carbon dot-based nano-enzyme through a one-pot hydrothermal method. The preparation method of the carbon dot-based nano-enzyme provided by the invention is simpler in catalytic condition and higher in safety. The carbon dot-based nano-enzyme prepared by the invention has the advantages of high oxidase-like activity, low drug resistance, high biocompatibility and the like, can inhibit multi-drug-resistant bacteria, and can be applied to the aspects of aquatic product preservation and the like.

The invention relates to the technical field of food processing, and in particular relates to a sparrow chensinensis Kangpu tea as well as a preparation method and application thereof, the preparation method comprises the following steps: extracting sparrow chensinensis and water according to a ratio of 1: (50-100) at 70-90 DEG C for 40-60 minutes, filtering, and adding cane sugar to obtain a fermentation substrate; the preparation method comprises the following steps: preparing seed liquid, namely activating casei paracasei, phytobacterium plantarum, acetobacter pasteurianus and kluyveromyces marxianus into seed liquid, inoculating the seed liquid into a substrate according to the inoculum size of 0.5-1.5%, fermenting for 5-10 days under the conditions that the temperature is 37 DEG C and the pressure is 0.03-0.05 MPa, and sterilizing (optionally drying) to obtain the parochetus ocellatus Kangpu tea. The preparation method of the parochetus ocellatus Kangpu tea is accurate and controllable in fermentation, safe and stable; the product retains the nutrition of the raw materials, the bioavailability of polyphenol after fermentation is improved, the antioxidant activity is enhanced, the flavor is soft, caffeine is avoided, and the product is suitable for a wide range of people and can be used for preparing antioxidant functional food.

The invention discloses a brassica rapa imago feed and a preparation method thereof, and belongs to the technical field of insect breeding. The Eye spot Brassica rapa adult feed comprises 11 to 15 parts of casein, 1 to 3 parts of Webster salt, 4 to 6 parts of cane sugar, 9 to 12 parts of cellulose powder, 0.2 to 0.4 part of L-cysteine, 0.2 to 0.3 part of choline chloride, 0.08 to 0.1 part of inositol, 0.325 to 0.4 part of composite vitamin, 2 to 3 parts of a nutritional ingredient ethanol solution, 12 to 14 parts of a nutritional ingredient aqueous solution, 1 to 2 parts of honey, 2 to 3 parts of agar powder, 0.03 to 0.04 part of cholesterol, 33 to 67 parts of apple jam, 0.3 to 4 parts of royal jelly and 80 to 120 parts of water. In addition, the invention also provides a preparation method of the feed for the Eye spot Brassica rapa imagoes. The feed for the Eye spot Brassica rapa adults can prolong the life of the adults and improve the egg laying amount at the same time.

The invention discloses a bifidobacterium pseudocatenum freeze-drying protective additive and application, and the bifidobacterium pseudocatenum freeze-drying protective additive is prepared from the following raw materials in percentage by weight: 2%-10% of dried skim milk, 5%-20% of cane sugar, 1%-6% of fructo-oligosaccharide, 0.5%-3% of sodium glutamate, 0.5%-2% of sodium ascorbate, 3%-15% of betaine and the balance of distilled water. The freeze-drying protective agent is simple in component composition, the survival rate of the bifidobacterium pseudocatenum in the freeze-drying process can be increased by using the freeze-drying protective agent, the freeze-drying survival rate of the bifidobacterium pseudocatenum reaches 76.3% or above, the stability of the freeze-drying preparation is guaranteed, and meanwhile the obtained freeze-drying preparation has the advantages of being easy to operate and the like, and has good application prospects. The preparation method of the freeze-dried preparation is simple and feasible, mild in condition, good in reproducibility, strong in controllability, suitable for large-scale production, and more convenient for clinical use and storage.

The invention belongs to the technical field of new energy, and particularly discloses a catalyst for catalyzing conversion of glucose into 5-hydroxymethylfurfural and a preparation method of the catalyst. The method is used for solving the problem of low HMF selectivity in the process of converting glucose into HMF. The preparation method comprises the following steps: firstly, synthesizing hollow mesoporous silicon spheres in the presence of absolute ethyl alcohol by taking hexadecyl trimethyl ammonium bromide as a structure-directing agent, ammonia water for providing an alkaline environment and tetraethyl orthosilicate as a silicon source of silicon dioxide; then, filling sucrose serving as a carbon source into the hollow meso-porous silicon spheres, and carbonizing and removing silicon to obtain meso-porous carbon microspheres; and finally, dipping the mesoporous carbon microspheres in a tin tetrachloride pentahydrate solution to prepare the tin-loaded mesoporous carbon microsphere catalyst. The catalyst has a large specific surface area, an excellent pore structure and good hydrothermal stability, has two acidic sites of Lewis acid and # imgabs0 # acid at the same time, and can efficiently catalyze conversion of glucose into HMF.

The invention relates to the field of genetic engineering and immobilized enzymes, in particular to a sucrose isomerase recombinant as well as a construction method and application thereof. Wild type sucrose isomerase (Sase) from dispersed pantoea is subjected to molecular modification, fusion expression is performed after screening of affinity peptide ligands, the specific enzyme activity of the obtained sucrose isomerase recombinant is 88% higher than that of sucrose isomerase, the enzyme activity level of the sucrose isomerase recombinant is remarkably improved, and the specific catalysis efficiency of the sucrose isomerase recombinant on a sucrose substrate is improved; and reference is provided for improving molecular modification of other enzymes. The sucrose isomerase recombinant has good thermal stability, and finally, research on embedding system optimization is performed on one-step purification and immobilization of SIase, so that the affinity directional immobilized enzyme microspheres which have high hardness and strength and can effectively reduce leakage or loss of enzyme molecules are prepared. The reusability of the sucrose isomerase recombinant is obviously improved.

The invention belongs to the technical field of chemical engineering and medicines, and particularly relates to polyether polyol of high-molecular-weight sucrose and a synthesis method of the polyether polyol. The average molecular weight of the sucrose polyether polyol is 5000-10000, adding an initiator, namely a mixture consisting of sucrose, small molecular alcohol and water, and an alkali metal catalyst into a reactor, heating, and introducing epoxide to carry out polymerization reaction; preserving heat, curing, heating and dehydrating; introducing epoxide for polymerization reaction, and adding water and an adsorbent for refining to obtain a refined polyether polyol stub bar; the preparation method comprises the following steps: adding a refined polyether polyol material head, DMC and an acidic material into a container, heating for dehydration, introducing epoxide for polymerization reaction, and adding water and an adsorbent for refining to obtain the polyether polyol of high molecular weight cane sugar. The sucrose polyether with the ultra-high molecular weight can be synthesized, is narrow in molecular weight distribution, high in functionality and stable in storage, and is applied to the fields of semi-rigid foam polyurethane, polyurethane elastomers and the like, or applied to micromolecule inclusion, recognition and slow release in the fields of medicines and foods.

The invention discloses a neutralization liquid layering tank and layering process for sucralose production, and particularly relates to the technical field of layering tanks, the neutralization liquid layering tank mainly comprises a layering tank, a stirring rod and a sliding groove column, the stirring rod is located in the layering tank, the sliding groove column is fixed to the top end of the stirring rod, and the outer wall of the sliding groove column is rotationally connected with the layering tank; a linkage transverse blocking mechanism is arranged on the inner wall of the sliding groove column; the linkage transverse blocking mechanism comprises a rotating ring arranged on the inner wall of the sliding groove column in a sliding mode. A linkage transverse blocking mechanism is adopted, the bottom end of a sleeve rod drives a push shaft to move horizontally, a sliding strip and an inclined rod synchronously drive a spacing sealing plate to move rightwards, the spacing sealing plate drives a rubber pressing strip to move rightwards, and the spacing sealing plate and a stirring strip can block and buffer neutralizing liquid flowing in the layering tank in sucralose production; a neutralization solution in sucralose production is quickly stood, so that quick layering operation is realized, and the layering efficiency is greatly improved.

The invention provides a lithium manganese iron phosphate material as well as a preparation method and application thereof. The preparation method comprises the following steps: step S1, ball-milling and mixing a manganese source, an iron source, a phosphorus source and water to obtain first mixed slurry; s2, carrying out ball milling on a lithium source, pyrophosphoric acid, cane sugar and the first mixed slurry to obtain second mixed slurry; s3, carrying out spray drying treatment on the second mixed slurry to obtain a composite precursor with a microsphere structure; and S4, calcining the composite precursor with the microsphere structure at the calcining temperature of 520-700 DEG C in an inert gas atmosphere to obtain the lithium manganese iron phosphate material. Based on the preparation method provided by the invention, the problems of low stacking density, low conductivity, low specific energy and complex process of the lithium manganese iron phosphate material in the prior art are solved.

The invention discloses a preparation process of instant donkey-hide gelatin granules. The preparation process comprises the following steps: preparing donkey-hide gelatin powder; preparing an adhesive from donkey-hide gelatin powder, hydroxypropyl methyl cellulose, sucrose ester-13 and water; putting the rubber powder into a raw material container of a boiling granulator for granulating; drying the granules in a microwave drying oven; and drying the granules in an infrared electric heating drying box, and spraying a coating agent solution for coating to obtain the instant donkey-hide gelatin granules. Through boiling granulation, a solid dispersion technology and a particle coating and microwave drying technology, the problems that instant donkey-hide gelatin particles are prone to caking, poor in dissolubility and poor in taste are solved, meanwhile, the smell of donkey-hide gelatin is reduced and the solubility is improved through selection of a coating agent, and the instant donkey-hide gelatin particles prepared through the technology reduce the dryness of donkey-hide gelatin, so that the quality of the donkey-hide gelatin particles is improved. Internal heat caused by long-term use of colla corii asini is effectively prevented, the content of volatile alkaline substances in the product is reduced, the stability is improved, and the product quality is improved.

The invention discloses a double-liquid magnesium phosphate early-strength high-strength grouting material and a preparation method thereof.The grouting material is composed of a liquid A and a liquid B. The liquid A is composed of powder A and water in parts by weight and comprises dead burned magnesia powder, a defoaming agent, steel slag powder, a retarder I and water, and the liquid B is composed of powder B and water in parts by weight and comprises powder B and water in parts by weight. Wherein the monopotassium phosphate, the superfine powder, the polymer rubber powder, the retarder II and the water have the advantages that the stirring time is shortened, the setting time is controllable, the flowability is good, the repair requirement can be met more quickly, the construction period is shortened, and the cane sugar and the borax are used as the retarders, so that the setting time can be controlled, and the early strength can be improved; surplus phosphate in a grouting material matrix is consumed by using the steel slag powder, so that some amorphous gel products can be generated, and the mechanical property is improved; the redispersible latex powder is utilized to form a polymer film in the slurry to wrap a hydration product, so that the water resistance is improved, and the synergistic modification effect is achieved.

The invention discloses a method for converting livestock and poultry manure into an organic fertilizer through microbial fermentation, and belongs to the technical field of livestock and poultry manure conversion. The method comprises the steps that firstly, the livestock and poultry manure is subjected to physical sorting, lime or monopotassium phosphate is added according to the pH value detection result, and the pH value is adjusted to 6.5-7.5; after determining nutrient components of the feces, adding soluble salt trace elements such as zinc sulfate and mixed carbohydrates of cane sugar and glucose; traditional strains of bacillus, lactic acid bacteria, saccharomycetes and actinomycetes are mixed with novel strains separated from the periphery of a livestock and poultry farm, optimized culture is conducted through a two-step culture method, and plant extracts such as lily extracts or livestock and poultry intestinal metabolites such as short-chain fatty acid are added in the culture process. The fermentation process adopts a rotatable fermentation tank body, and comprises three stages of fermentation of rapid heating, high-temperature stabilization and cooling decomposition. And finally, low-temperature vacuum drying, crushing, granulation and addition of a coating material are performed to prepare the organic fertilizer, so that efficient resource utilization of the livestock and poultry manure is realized.

The invention relates to the technical field of microorganisms, in particular to bifidobacterium bifidum BGLP1 capable of regulating sugar digestion and producing GLP-1 at high yield and application of the bifidobacterium bifidum BGLP1. The preservation number of the bifidobacterium bifidum BGLP1 is CGMCC (China General Microbiological Culture Collection Center) No.35718, and the bifidobacterium bifidum BGLP1 can be used for preparing the feed additive. The strain has the capability of inhibiting alpha-glucosidase and alpha-amylase; sTC-1 cells are stimulated to secrete GLP-1, and the blood glucose reducing pathway capacity of the intestinal tract is activated; the activity of pancreatic lipase is obviously inhibited, and the dietary fat absorption capability can be effectively reduced; redundant cane sugar is converted into exopolysaccharide, so that the probiotic function capability is improved; the capability of converting white fat into brown fat is promoted; macrophages are activated, and the body immune function is improved. In addition, the bifidobacterium bifidum BGLP1 also has relatively strong intestinal colonization ability, has good tolerance in artificial gastric juice and artificial intestinal juice, and can smoothly reach the intestinal tract of a human body.

The invention belongs to the technical field of agricultural biology, and discloses a method for inducing curcuma wenyujin tissue culture seedling test-tube micro rootstocks, which comprises the following steps: inoculating terminal bud cluster proliferation buds of curcuma wenyujin obtained by conventional tissue culture into a rootstock induction culture medium for rooting culture for 30 days to obtain tissue culture seedlings with rootstocks, the rhizome induction culture medium is prepared from 1 / 2MS, 0.1-1.0 mg / L of NAA, 30 g / L of cane sugar, 1-3 mg / L of choline chloride and 1-3 mg / L of compound sodium nitrophenolate, the pH is 5.8, and the weight ratio of choline chloride to compound sodium nitrophenolate is 1: (0.3-2). According to the method, the formation of the curcuma wenyujin test-tube micro rhizomes is induced in vitro, the sterile micro rhizomes are directly transplanted, and the micro rhizome artificial seeds are manufactured for sowing, so that a green seedling hardening and temporary planting link is omitted, and the seedling loss caused by strict requirements of green seedlings on humidity is reduced, and the test-tube micro rhizome seedlings are beneficial to storage and long-distance transportation; therefore, the seedling breeding efficiency of the rhizome plants is improved.

The invention provides a preparation method of a trazodone hydrochloride sustained release tablet, and belongs to the technical field of medicine processing. The preparation method comprises the following steps: (1) mixing a trazodone hydrochloride raw material medicine, cane sugar, povidone and carnauba wax to obtain a mixture; (2) preparing the mixture into molten particles by adopting a hot-melt extrusion technology; and (3) cooling and sieving the molten particles, adding magnesium stearate, uniformly mixing, and tabletting to obtain the trazodone hydrochloride sustained-release tablet. The trazodone hydrochloride sustained release tablet comprises the following components in percentage by mass: 45%-55% of trazodone hydrochloride raw material medicine, 15%-35% of cane sugar, 5%-15% of povidone, 5%-15% of carnauba wax and 1%-5% of magnesium stearate. According to the invention, a hot melt extrusion technology is adopted, so that the raw materials can be highly dispersed within a short heating time, the loss of the raw materials is avoided, the production cost is reduced, and commercialized production is facilitated.

The invention discloses a preparation method of omasycine tosylate for injection, and belongs to the technical field of pharmaceutical preparations. The preparation method of the olmacycline tosylate for injection comprises the following steps: filtering a mixture solution containing the olmacycline tosylate, the cane sugar, the pH regulator and the water for injection, filling and sealing, and freeze-drying to obtain the olmacycline tosylate for injection. According to the preparation method, the problem that in the prior art, intermediate product liquid medicine is not completely dissolved is solved, the prepared freeze-dried product is free of the problems of atrophy, collapse, bottom sticking, layering and the like, the preparation method is simple, easy to operate and reliable, the obtained freeze-dried product is low in moisture content and impurity content, the stability is improved, and the product quality is guaranteed.

The invention belongs to the technical field of pharmaceutical preparations, and particularly relates to an oral instant film with high drug loading capacity. The oral instant film agent comprises the following components: an active component, a film-forming material, a plasticizer, a coloring agent and a flavoring agent. The film-forming material is preferably combined with hydroxypropyl methylcellulose E15 and xanthan gum, so that the high drug loading capacity of the oral cavity instant film agent is ensured. Film-forming materials including hydroxypropyl methylcellulose E15 and xanthan gum are combined and compounded with a plasticizer polyethylene glycol 400, and sucralose is adopted as a flavoring agent, so that the stability of the oral instant film agent is ensured. The oral cavity instant film is good in appearance property, moderate in flexibility, good in taste, high in drug loading capacity, good in stability, low in cost, easy to operate, free of heating and suitable for industrial production.

A powdery food containing a sucrose-containing plant with a sucrose content of 2.5 mass % or more in terms of dry mass, a dietary fiber content of 1 mass % or more in terms of dry mass, has a particle sizes d50 after ultrasonication of 1,000 μm or less and has an acetoin content of 1 ppb or more and 40,000 ppb or less, is provided. The powdery food easily controls the burnt odor derived from sucrose and extract the sweet flavor peculiar to sucrose in a food and drink containing a powder derived from a sucrose-containing plant.

The invention belongs to the technical field of agriculture, and particularly relates to a method for promoting growth and development of rice based on illumination and nitrogen. One of the purposes of the invention is to provide a method for promoting growth and development of rice based on illumination and nitrogen. The method comprises the following steps: providing cultivation conditions of illumination intensity of 600-800 [mu] mol.m <-2 >. S <-1 > and nitrogen concentration of 5.51-8.11 mM for rice in a tillering stage of the rice. By accurately applying a specific combination of illumination intensity and nitrogen concentration in the tillering stage of rice, efficient loading and long-distance transportation of photosynthetic products (especially cane sugar and the like) in phloem are promoted, and the photosynthetic products are guided to be more effectively and directionally distributed to developed library organs (such as fruits, grains or root systems); therefore, the transfer and circulation efficiency of carbon-nitrogen substances in plants is improved synergistically on the whole, the waste phenomenon of nitrogen redundancy or local lack and ineffective accumulation of photosynthetic products is reduced, and finally, an important physiological regulation basis is provided for remarkably improving the yield and quality of crops.

The invention discloses a preparation method of high-viscosity cationic starch, which belongs to the technical field of modified starch, and comprises the following steps: crosslinking epichlorohydrin, ball-milling and cationizing; the epoxy chloropropane crosslinking comprises the following steps: mixing starch, calcium hydroxide and deionized water, stirring at 40-50 DEG C, adding sodium stearoyl lactylate, stirring at 50-55 DEG C, naturally cooling to room temperature, adding sodium chloride and epoxy chloropropane, stirring, dropwise adding a potassium hydroxide aqueous solution, stirring, adjusting the pH value to 6, filtering, taking filter residues, washing and drying to obtain crosslinked starch; in the step of ball milling, calcium hydroxide, sucrose fatty acid ester SE-11 and deionized water are mixed and then subjected to ball milling, and a ball-milled material is obtained; the prepared high-viscosity cationic starch is high in paste liquid viscosity and cationic substitution degree, good in paste liquid viscosity stability, uniform in substitution degree and paste liquid viscosity, high in reaction efficiency in cationization and low in alkali consumption.