1785 results about "Sucrose" patented technology

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 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 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 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.

The invention discloses high-absorption type egg white peptide sports protein powder rich in branched chain amino acid and a preparation method thereof, and relates to the field of foods for special diets. The preparation method of the sports protein powder comprises the following step of mixing the egg white peptide containing the DKVVDVD sequence, the whey protein powder, the skim milk powder, the strawberry essence, the sucralose, the composite mineral substances and the composite vitamins step by step according to a specific sequence. Compared with commercially available products, the product disclosed by the invention has no significant difference in sensory evaluation, but the content of branched chain amino acid is increased by 64.42%, and the particle size and the PDI value are respectively reduced by 28.20% and 17.62%, so that the product has higher absorption efficiency. The product is simple and convenient in preparation process, is nutritional and delicious, can meet the nutritional requirements of sports crowds, remarkably improves the nutrient utilization degree, and achieves the functional goals of promoting muscle growth and relieving sports fatigue.

The invention discloses a double-bacterium fermented low-beany-flavor functional soybean milk formula and a preparation method thereof. According to the formula, the adding amount of cane sugar is 4.2% of the mass of a mixed solution. The inoculation amount of the compound lactic acid bacteria is 2.8% of the mass of the fermentation substrate. Wherein the compound lactic acid bacteria comprise lactobacillus plantarum JM065 and lactobacillus gasseri JM1, and the ratio of the lactobacillus plantarum JM065 to the lactobacillus gasseri JM1 is 1: 2 according to the mass ratio of the lactobacillus plantarum JM065 to the lactobacillus gasseri JM1. The preparation method comprises the following steps: selecting, blanching, soaking, grinding, homogenizing, sterilizing, cooling, fermenting and after-ripening. The fermentation temperature is 42 DEG C, and the fermentation time is 8 hours. The soybean milk prepared by fermenting the lactobacillus plantarum JM065 and the lactobacillus gasseri JM1 has the characteristics of oxidation resistance, mellow taste, smooth mouthfeel and pure, fragrant and long aftertaste.

To provide a method for suppressing an increase in acid value of a frying oil and fat composition.SOLUTION: A method for suppressing an increase in acid value of a frying oil and fat composition, the method comprising adding to an edible oil and fat at least one emulsifier selected from the group consisting of polyglycerin-condensed ricinoleic acid ester, polyglycerin fatty acid ester, sucrose fatty acid ester, and sorbitan fatty acid ester, wherein further addition of a conditioned oil enables further suppression of the increase in acid value.SELECTED DRAWING: None

The invention relates to the technical field of biology, in particular to application of brassinolide in increasing the yield of lettuce latex. According to the invention, brassinolide is adopted as an active component and acts on lettuce plants, so that the yield of lettuce latex can be remarkably increased, and meanwhile, the contents of sucrose and isopentenyl pyrophosphate in lettuce are further remarkably increased. Compared with indoleacetic acid, the brassinolide provided by the invention is more suitable for improving the gum production performance of the plant lettuce, and the brassinolide and the indoleacetic acid are high in adaptability, so that a more excellent technical effect is obtained. In the use process, the use method of brassinolide is simple, the use amount is small, the function of remarkably improving the yield of lettuce latex, sucrose and isopentenyl pyrophosphate can be achieved by adopting brassinolide with low concentration, the cost is low, the effect is good, no new toxic or side effect is caused to the environment, and the brassinolide is suitable for application and popularization.

The present invention discloses a zero-fat zero-sucrose whipping cream, which comprises, by mass percentage, 3-5% compound protein powder, 20-30% maltodextrin, 1-3% compound stabilizer, 1-3% dietary fiber powder, 0-0.3% acidity regulator, and water added to 100%. The above raw materials are fully mixed to obtain a mixed powder; water is slowly added to the powder and stirred until completely mixed; a blender is used to whip for 6-8 minutes until soft peaks and a semi-solid state appear to obtain zero-fat zero-sucrose whipping cream. The zero-fat zero-sucrose whipping cream of the present invention has the characteristics of low calories and zero fat, and solves the problem of product quality degradation caused by reducing fat and sugar content in the prior art. The product is beneficial to human health, is easy to operate, has low production cost, and has high production efficiency. It also has a short whipping time, good whipping rate and stability, excellent decorating ability, and satisfactory taste and flavor.

The invention relates to the technical field of biology, in particular to a method and application of fungus-enzyme synergistic fermentation of bagasse pith, and the method comprises the following steps: (1) adjusting the water content of the bagasse pith to 60-70%, and adjusting the pH to 4.0; (2) adding the following components according to dry matter mass: 3% of phanerochaete chrysosporium liquid with the concentration of 1.5 * 10 < 8 > CFU / ml, and uniformly mixing; 1% of sucrose; the cellulase liquid is 20000U / kg, and the cellulase liquid is prepared by dissolving crude enzyme obtained by centrifuging after trichoderma hedgehog is fermented to produce enzyme in a PBS (phosphate buffer solution); and (3) putting the mixture into a fermentation tank, and performing sealed low-oxygen fermentation for 30 days to obtain the bagasse pith feed. According to the bagasse pith feed obtained by the method, the nutritional value of the bagasse pith can be improved, the fermentation quality is improved, the digestion potential is improved, the storage time is prolonged, and high-quality feed application of the bagasse is realized.

The invention relates to an emulsifier composition for meat products as well as a preparation method and application of the emulsifier composition. The emulsifier composition disclosed by the invention is prepared from the following components in parts by weight: 5 to 10 parts of sodium caseinate, 0 to 5 parts of sucrose fatty acid ester, 10 to 15 parts of collagen, 5 to 10 parts of glutamine transaminase, 60 to 70 parts of maltodextrin, 0 to 5 parts of sodium pyrophosphate and 0 to 5 parts of trisodium phosphate. The invention relates to a meat product containing the emulsifier composition, wherein the amount of the emulsifier composition accounts for 0.6%-1% of the total weight of the meat product. According to the invention, the obvious compounding effect among the monomer emulsifier, collagen, phosphate and glutamine transaminase is fully utilized, the functional complementation principle of various raw materials is exerted, and the synergistic interaction effect is generated. On the basis of enhancing the taste of the meat product, the oil and water retention property is improved to a greater extent, so that the yield is improved, and the production cost is reduced.

The invention discloses a preparation method of honey kangpu tea based on pure bacterium synergistic fermentation, and relates to the field of tea preparation. Comprising the following steps: culturing strains, namely culturing koal fotamentosa, zygosaccharomyces bayer and lactobacillus plantarum; black tea is added into boiling water to be soaked, sterilization is performed after filtering, and acacia honey is added after cooling to be evenly mixed; fermenting, namely inoculating the fermentation substrate with the foal foal bacillus, the zygosaccharomyces bayer and the lactobacillus plantarum, sealing with gauze, and carrying out aerobic fermentation; sterilizing and filling: after fermenting and planting, immediately performing sterile filtration or clear liquid, and then filling after pasteurization. Fermentation can be completed in 14 days through synergistic metabolism of three bacteria, the fermentation efficiency is improved, the fermentation period is shortened, unique sweet and sour balance is formed through synergistic effect of acetic acid and lactic acid, meanwhile, pure bacteria are used for fermentation, infectious microbe pollution is avoided in the fermentation process, and harmful metabolites such as aflatoxin in the honey kangpu tea are avoided.

The present invention provides an essence containing chlorella extract and a preparation method thereof. The chlorella extract process comprises the following steps: raw material pulverization; enzymatic hydrolysis with cellulase and trypsin; primary fermentation using a mixture of Bacillus natto and Bacillus pumilus; addition of bamboo leaf extract, corn steep liquor, and sucrose, followed by inoculation with Rhodotorula glutinosus for secondary fermentation to obtain the chlorella extract. The mixed fermentation of multiple strains exhibits a synergistic effect, resulting in greater enrichment of natural products during the fermentation process compared to single-strain fermentation. Furthermore, the present invention provides an essence containing chlorella extract, glycerin, sodium hyaluronate, honey, and water, which exhibits significant moisturizing, antioxidant, and soothing effects.

The invention relates to the field of freeze-drying protective agents, and particularly discloses a vacuum freeze-drying protective agent for lactobacillus plantarum LS-41. The vacuum freeze drying protective agent for the lactobacillus plantarum LS-41 comprises the following components: 15 parts of dried skim milk, 3 parts of cane sugar, 1 part of PBS dry powder, 6-10 parts of trehalose, 0.2-0.4 part of ascorbic acid, 0.06-0.10 part of sodium glutamate, 8-12 parts of sorbitol and 100 parts of ultrapure water. Through the synergistic effect of the trehalose, the ascorbic acid, the sodium glutamate, the sorbitol, the skimmed milk powder and the cane sugar, and improvement and reasonable matching of the category and the concentration of the protective agents, the damage of the lactobacillus plantarum LS-41 in the vacuum freeze-drying process can be reduced, and the freeze-drying survival rate of the lactobacillus plantarum LS-41 is increased.

The invention belongs to the technical field of gel. The invention provides high-strength starch sodium octenylsuccinate gel and a preparation method thereof.The preparation method comprises the steps that S1, corn and cassava starch are mixed according to the mass ratio of 1: (4.4-4.6) to obtain a mixture, and then the mixture and soft water are dispersed according to the mass ratio of 1: 1.1 to obtain starch milk; s2, adjusting the pH value of the starch milk to 9.0 by using a sodium hydroxide solution, then adding octenyl succinic anhydride at 25 DEG C, then adding sucrose ester and pectin, neutralizing the pH value to 4.5 by using an HC1 solution, and carrying out suction filtration, washing and crushing to obtain starch sodium octenyl succinate powder; and S3, gelatinizing the starch sodium octenylsuccinate powder, and storing the gelatinized starch sodium octenylsuccinate powder at low temperature to obtain the high-strength starch sodium octenylsuccinate gel. According to the invention, by reducing the ratio of corn starch to cassava starch, the viscosity of the prepared starch sodium octenylsuccinate is further improved while a lower gelatinization temperature is ensured.

The invention relates to the technical field of functional food processing, and discloses magnesium-rich gel soft sweets and a preparation method thereof. The jelly sweets comprise the following components in parts by weight: 3 to 15 weight percent of first gelling agent, 0.2 to 2 weight percent of second gelling agent, 20 to 50 weight percent of dietary fiber raw material, 10 to 40 weight percent of sugar alcohol raw material, 3 to 10 weight percent of acidity regulator, 0.3 to 1 weight percent of buffer salt, 0.4 to 2 weight percent of essence, 0.4 to 2 weight percent of pigment, 10 to 30 weight percent of mineral raw material and 0 to 0.5 weight percent of anti-sticking oil. The gel soft sweets are rich in magnesium element, and are suitable for people with magnesium deficiency, electrolyte supplementation after exercises and auxiliary conditioning of sleep disorders. The gel soft sweets are good in chewiness and coordinated in sour and sweet taste, sugar alcohol is partially replaced with low-GI dietary fibers, calorie intake is reduced, satiety is enhanced, intestinal health is supported, the taste is elastic, high-power sweeteners of sucralose and stevioside are not added, and the gel soft sweets are easily accepted by mass consumers.

The invention relates to a whitening and repairing composition containing PDRN and polypeptide and application of the whitening and repairing composition. The composition comprises sodium hyaluronate, PDRN, polypeptide, vitamin C and cane sugar. Sodium hyaluronate, nucleic acid and polypeptide are adopted, so that the activity of collagen in the skin is enhanced, the moisture of cuticle and the integrity of a fiber structure are kept, the content of melanin in the epidermis is reduced, the skin barrier is repaired, the skin blood circulation is improved, anti-oxidation and anti-inflammatory treatment is performed, the skin color is brightened, and chromatosis is relieved, and sodium hyaluronate, nucleic acid and polypeptide are matched with one another; meanwhile, the release rate of nutritional ingredients is slowed down after the composition is injected into the skin, the action time is prolonged, and a better anti-degradation effect is achieved.

The invention discloses stem cell freeze-dried powder for promoting skin healing and a preparation method of the stem cell freeze-dried powder. The freeze-dried powder comprises an effective component, a freeze-drying protective agent group and a polymer protective agent group, the effective component is umbilical cord mesenchymal stem cell conditioned medium freeze-dried supernatant, the protective agent group is selected from one or more of cane sugar, trehalose, lactose and mannitol, and the polymer protective agent group is selected from one or more of polyvinylpyrrolidone (PVP) and glucan. The preparation method comprises the following steps: collection of a conditioned culture medium, preparation of a freeze-drying protective agent solution, mixing treatment, low-temperature pre-freezing and freeze-drying, collection and packaging of freeze-dried powder and the like. The method can effectively retain stem cell-derived active factors and enhance the stability and redissolvability of the freeze-dried powder, and is suitable for skin wound repair, regenerative medicine and other scenes.

The invention belongs to the technical field of antibacterial polyurethane, and particularly relates to a preparation method of antibacterial polyurethane foam. The preparation method comprises the following steps: (1) adding 0.5-1 part by weight of water, 1-3 parts by weight of a catalyst, 1-6 parts by weight of a foam stabilizer and 0.5-1 part by weight of an inorganic antibacterial filler into 100 parts by weight of antibacterial polyether under the condition of 25-35 DEG C to obtain a combined material; (2) adding 100-110 parts by weight of polyisocyanate into the combined material obtained in the step (1) under the condition of 25-35 DEG C, stirring, foaming and curing to obtain polyurethane foam; the number-average molecular weight of the antibacterial polyether is 550-650, guanidine hydrochloride, cane sugar, diethylene glycol and ethidene diamine are used as initiators and react with epoxypropane to prepare the antibacterial polyether, and the mass fraction of epoxypropane in the antibacterial polyether is 75-80%. The foam prepared by the method is high in strength and high in antibacterial property.

The present invention relates to the field of microbial technology, and discloses Rhizopus microsporus HR3-26 and its application in the extraction of boletus polysaccharide. The present invention provides a new microbial strain, Rhizopus microsporus HR3-26, and allows Rhizopus microsporus HR3-26 to grow moderately in boletus powder added with sucrose to produce various hydrolases. After that, the fermented boletus powder is heated with water, and substances such as cellulose in the cell wall are hydrolyzed, which helps the bound boletus polysaccharide to dissolve during ultrasonic water extraction, thereby significantly improving the extraction yield of polysaccharide. The present invention applies Rhizopus microsporus HR3-26 to the extraction of boletus polysaccharide. Compared with the conventional method of water extraction and alcohol precipitation, the extraction yield of polysaccharide can be increased by 41.3%.

The invention discloses a cherry sugar transporter gene CpSWEET10 and application thereof, and belongs to the technical field of cherry gene engineering. A novel sugar transporter gene CpSWEET10 is obtained through cloning, the nucleotide sequence of the novel sugar transporter gene CpSWEET10 is shown as SEQ ID NO.1, and the coded amino acid sequence of the novel sugar transporter gene CpSWEET10 is shown as SEQ ID NO.2. The gene is highly expressed in cherry fruits, and the content of soluble solids and total sugar in mature fruits is remarkably positively correlated with the expression quantity of the soluble solids and the total sugar; through subcellular localization and sugar transport function defect type yeast mutant functional complementation experimental analysis, the protein coded by the CpSWEET10 gene is localized in a cytoplasmic membrane and has a sucrose transport function; the cherry sugar transporter gene CpSWEET10 disclosed by the invention can be applied to the improvement of the sugar degree character of the fruits, and a new gene resource is provided for molecular breeding for improving the high-sugar quality of the cherry fruits.

Formulations for antibodies and / or antigen-binding molecules (ABMs) that bind to Porphyromonas gingivalis are described. The formulations may be used in treating infections involving P. gingivalis, such as periodontal disease. The formulations comprise at least one of histidine, saline, acetic acid, citrate phosphate, sucrose, and / or Poloxamer P188. In some embodiments, the formulations may also be pH adjusted.

The invention provides a sore-throat relieving and detoxification granule and a preparation method thereof, and belongs to the technical field of medicines, the sore-throat relieving and detoxification granule comprises the following components: mint volatile oil, beta-cyclodextrin, a sore-throat relieving and detoxification extract, a filler and sucralose, meanwhile, the mint volatile oil and the beta-cyclodextrin are prepared into an inclusion compound, the inclusion compound and other raw materials are mixed and granulated, and the sore-throat relieving and detoxification granule is obtained. According to the sore-throat-relieving and detoxifying granules and the preparation method thereof, the stability of mint volatile oil in the sore-throat-relieving and detoxifying granules is improved, and the antipyretic and anti-inflammatory effects of the sore-throat-relieving and detoxifying granules are enhanced.

By engineering genetic traits associated with photosynthesis in plants, transgenic plants with increased crop yield can be generated, which will ultimately lead to increased food production in the field. To obtain beneficial genetic traits for enhanced photosynthesis, accelerated evolution is applied under salt stress in a cyanobacteria species, Synechococcus elongatus PCC 7942, by conditionally suppressing its mismatch repair system. Through high-throughput screening for biomass accumulation and sucrose production, it is discovered that specific amino acid changes in the pre-Dl protein of Photosystem II (PSII), encoded by the psbA genes, can improve efficiency of photosynthesis under salt stress, as well as pathogen resistance. Next, the same amino acid changes were made in Arabadopsis and proved that photosynthetic efficiency (measured via growth rate) is also increased in this model vascular plant.

The invention provides a dexketoprofen trometamol oral solution and a preparation method thereof. According to the dexketoprofen trometamol oral solution, polyethylene glycol 400 and hydroxypropyl methylcellulose are used as stabilizing agents, methylparaben and propyl hydroxybenzoate are used as bacteriostatic agents, sucralose and ammonium glycyrrhizinate are used as sweetening agents, essence is used as a flavoring agent, and the pH value of the solution is controlled to be 6.2-6.8 through a pH value regulator. The increase of the impurity A, the impurity B, the impurity C, the impurity E and the total impurity is obviously reduced, so that the product stability is obviously improved.

The invention relates to polygonatum cyrtonema polysaccharide and application thereof. The novel polysaccharide PRP is extracted and purified from polygonatum cyrtonema and is neutral inulin type polysaccharide. The PRP takes a node alpha-D-glucose-(22)-beta-D-fructose similar to cane sugar as a center. The C6 site of glucose has an additional beta-fructose (2-> 6) substituent, and two chains extend out of the core through a (2-> 1)-beta-fructose bond to form a Y-type moderate branch structure. Compared with other selenium nanoparticles with stable polysaccharides, the selenium nanoparticles coated with polygonatum polysaccharide provided by the invention have smaller initial particle size, more negative zeta potential, stable batch repeatability and excellent long-term stability.

To provide chocolates having physical properties suitable for molding before baking, retaining soft texture after thawing even passing a freezing step after baking, and suppressed in the occurrence of bloom, and to provide a frozen composite bakery food after baking, using the same.SOLUTION: A frozen composite bakery food after baking, having an excellent quality even after thawing is obtained by: combining with a bakery dough, chocolates which contain 20-60 wt.% of an oil and fat composition having a triglyceride composition satisfying all of the following (a)-(d) conditions, and contain 0.3 wt.% or more of a sorbitan saturation fatty acid ester and / or a sucrose fatty acid ester with an HLB of 4 or less, and baking and freezing the product. (a) a POP content is 18 wt.% or more; (b) POP / (PStP+PStSt+StOSt+StStSt) is 1.0 or more and 3.8 or less; (c) POP / POO is 2.5 or more; and (d) POP / (StOSt+StStSt) is 1.0 or more and 4.0 or less.SELECTED DRAWING: None

The invention relates to the technical field of gas hydrate generation and carbon dioxide capture and storage, and discloses a gas hydrate generation accelerant as well as a preparation method and application thereof. The gas hydrate generation accelerant is prepared from water, sucralose and graphene oxide dispersion liquid. According to the gas hydrate generation accelerant provided by the invention, sucralose and graphene oxide dispersion liquid are used, so that the surface tension of a solution can be effectively reduced, the gas consumption in the hydrate generation process is improved, and the induction time of hydrate generation is shortened and the generation efficiency is improved by strengthening the heat transfer and mass transfer processes in the hydrate generation process; efficient capture and storage of carbon dioxide are realized, and a wide prospect is provided for practical application of capture and storage of carbon dioxide by a hydrate technology.