294 results about "Potassium sorbate" patented technology

The invention belongs to the field of fermentation, and particularly relates to a complex microbial inoculant, original cheese, processed cheese with a blood sugar reducing function and preparation and application of the complex microbial inoculant. Wherein the processed cheese is prepared by the method comprising the following steps: mixing the components including raw cheese, sugarcane juice, corn oil, casein, concentrated milk protein, blueberry powder, mono / diglycerol fatty acid ester, sodium citrate, sodium tripolyphosphate, sodium hexametaphosphate, salt guar gum, potassium sorbate and water, and then emulsifying to obtain the processed cheese, the sugar cane juice, the corn oil, the casein, the concentrated milk protein, the blueberry powder, the mono / diglycerol fatty acid ester, the sodium citrate, the sodium tripolyphosphate, the sodium hexametaphosphate, the salt guar gum, the potassium sorbate and the water, the original cheese is prepared from a complex microbial inoculant, and the complex microbial inoculant comprises lactococcus lactis bacterial powder, lactococcus lactis subsp. Lactis bacterial powder, lactobacillus delbrueckii subsp. Lactis bacterial powder, lactobacillus plantarum bacterial powder and lactobacillus paracasei bacterial powder. The processed cheese provided by the invention has a better function of controlling blood sugar, and meanwhile, the processed cheese is fine and uniform in texture and has good smearing performance.

The invention belongs to the technical field of emulsion preparation, and particularly relates to cinnamon essential oil emulsion as well as a preparation method and application thereof. The cassia bark essential oil emulsion is prepared by jointly emulsifying cassia bark essential oil by utilizing a Chinese honeylocust fruit water extract and soybean protein isolate. The production process is simple, the production cost is low, large-scale production is facilitated, and the prepared cinnamon essential oil emulsion has good storage stability at the temperature of 4 DEG C and also shows excellent electrolyte, pH value, temperature and freeze-thaw stability. The method is suitable for the fields of food, packaging materials, medicines and the like, and the preservation capacity of the prepared cinnamon essential oil emulsion can be comparable with that of a commercial food preservative potassium sorbate.

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

The invention discloses a special feed for breeding bumblebee pollination swarms and a preparation method thereof, and belongs to the technical field of insect feed preparation, and the special feed for breeding the bumblebee pollination swarms comprises the following raw materials: white granulated sugar, glucose, potassium sorbate, epsilon-polylysine, vitamins, trace elements and water; the preparation method comprises the following steps: adding the white granulated sugar and the glucose into boiling water, uniformly stirring, cooling, adding the vitamins, the trace elements, the potassium sorbate and the epsilon-polylysine, uniformly stirring, and cooling to room temperature. The components such as the sugar source, the vitamins and the preservative are introduced to achieve a synergistic effect, so that the freshness of the sugar water is guaranteed, the intake of nutrient substances by the bee colony is improved, the survival rate of the bee colony is effectively increased, the development time of the early-stage bear bee colony is shortened, the growth speed of the early-stage pollination bee colony is accelerated, and the colony potential of the bee colony before pollination is increased.

The invention relates to the technical field of fire extinguishing agents, and particularly discloses a lithium battery fire extinguishing agent and a preparation method thereof. The degradable surfactant is selected from at least one of alkyl glycoside and fatty acid methyl ester sulfonate; the particle size of the nanoscale silicon dioxide particles is 10 to 100 nm; the composite flame retardant is formed by compounding an organic phosphorus compound and graphene oxide according to a mass ratio of 1: (0.5-2); the antifreeze agent is selected from at least one of ethylene glycol and propylene glycol; the thickening agent is selected from at least one of xanthan gum and sodium carboxymethyl cellulose; the preservative is selected from at least one of sodium benzoate and potassium sorbate; through the synergistic effect of the composite flame retardant, the fire extinguishing efficiency is remarkably improved, reburning is inhibited, in addition, nano silicon dioxide is uniformly dispersed after being subjected to surface modification to form a compact heat insulation layer, the degradable surfactant and the environment-friendly preservative are combined, and the agent is free of toxic residues.

The invention relates to the technical field of termite trapping and killing, and particularly discloses an environment-friendly termite trapping and killing strip and a preparation method thereof. The environment-friendly termite trapping and killing strip is prepared from microcrystalline cellulose, sodium carboxymethyl cellulose, potassium sorbate, pine sawdust, tapioca flour, xanthan gum and killing microcapsules. The killing microcapsule comprises a capsule wall and a capsule core, wherein the capsule core is prepared from the following raw materials: triflumuron, diflubenzuron, ammonium chloride, petroleum ether and sodium dodecyl benzene sulfonate; the capsule wall is prepared from the following raw materials: modified chitosan, sodium alginate, modified corn straw powder, Arabic gum and a sugarcane extract. According to the environment-friendly termite trapping and killing strip, all the components are matched, the excellent insecticidal effect is achieved, the pesticide can be slowly released through the killing microcapsules, the insecticidal time is prolonged, and the prepared trapping and killing strip can kill insects for a long time.

The invention belongs to the technical field of seasoning processing, and particularly discloses salad dressing capable of improving the stability of natural pigments and a preparation method of the salad dressing. The salad dressing capable of improving the stability of the natural pigment comprises the following raw materials: high fructose corn syrup, yolk liquid, white granulated sugar, potassium sorbate, lemon concentrated juice, table vinegar, water, glycerol, the natural pigment, titanium dioxide, sucrose fatty acid ester, edible salt, xanthan gum, soybean oil, acetylated distarch adipate, sodium ascorbate, mustard powder and a rosemary extract. The HLB (Hydrophile Lipophile Balance) value of the sucrose fatty acid ester is The synergistic effect of all the components is remarkable, multiple defense lines of oxidation resistance, system stability, corrosion prevention and the like are constructed, and the probability of natural pigment fading in the salad dressing storage process is reduced.

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

The invention discloses a feed for feeding cordyceps sinensis host hepialus larvae as well as a preparation method and application of the feed, and relates to the technical field of artificial feeds. The feed comprises the following components in parts by weight: 5-20 parts of beer yeast powder and / or casein, 30-80 parts of wheat germ powder, 20-40 parts of carrot powder, 0.2-5 parts of a modified preservative, 0.05-0.2 part of antibiotics, 0.2-5 parts of vitamins, 0.01-1 part of edible oil, 6-15 parts of agar and 200-400 parts of water. The modified preservative is composed of a chitosan oligosaccharide-natamycin compound subjected to plasma activation treatment and potassium sorbate according to the ratio of 1: 3-1: 5; a modified preservative composed of a chitosan oligosaccharide-natamycin compound subjected to plasma activation treatment and potassium sorbate is adopted, a porous microsphere structure is formed through a specific preparation process, and the contact area of the preservative and the feed is greatly increased. Agar and water form a gel matrix at a specific temperature, and nutritional ingredients and the like are injected into a coaxial micro-fluidic device, so that the preservative effect of the feed is remarkably enhanced.

The invention discloses an oyster enzymolysis ultrafiltration extract nasal spray and a preparation method thereof, the nasal spray comprises the following components: 5-10 wt% of oyster extract, 0.1-0.3 wt% of preservative, 0.05-0.15 wt% of sodium chloride and 0.1-0.3 wt% of emulsifier, the pH value is 5.5-6.5, the content of the preservative is 0.1-0.3 wt%, the content of the sodium chloride is 0.05-0.15 wt%, the content of the emulsifier is 0.1-0.3 wt%, and the balance is water. The preservative is one of benzalkonium chloride, sorbic acid and potassium sorbate, and the emulsifier is polysorbate 80. Through definite raw material composition, a step-by-step process and quality control, the bioavailability of active components is improved, the flavor of the product is optimized, the effect of safely and efficiently improving sleep is achieved, the problems of low bioavailability, poor flavor and potential safety hazards of an existing sleep improving product are solved, the process repeatability is high, and the preparation method is suitable for industrial production. The long-term use of people with chronic insomnia is facilitated.

The invention discloses oral multi-effect analgesic and anti-inflammatory gel and a preparation method thereof, and belongs to the technical field of medical gel. The gel is prepared from mussel mucin grafted hydroxypropyl chitosan, a poly (N-isopropylacrylamide)-co-acrylic acid copolymer, quercetin-zinc coordination nanoparticles, a local anesthetic compound wrapped by temperature-sensitive lipidosome, a gamma-polyglutamic acid-catechin gel matrix, aloe polysaccharide, dipotassium glycyrrhizinate, and sodium hyaluronate and potassium sorbate which can be selectively added, wherein the local anesthetic compound is prepared from the mussel mucin grafted hydroxypropyl chitosan, the poly (N-isopropylacrylamide)-co-acrylic acid copolymer, the quercetin-zinc coordination nanoparticles, the temperature-sensitive lipidosome, the gamma-polyglutamic acid-catechin gel matrix, the aloe polysaccharide and the dipotassium glycyrrhizinate. During preparation, part of the components and water are stirred to obtain a mixed solution, and then the other components are added and stirred into gel. According to the gel, the leakage rate of local anesthetics is reduced by stabilizing the liposome through the zinc ions, the quercetin adjusts the phase transition temperature of the liposome to realize preferential drug release at the pain part, the mussel mucin and the copolymer form a reversible hydrogen bond network to enhance the mucous membrane adhesive force, and the inflammatory environment triggers the gel permeation drug release, so that the gel has the advantages of multiple-effect synergy, strong adhesion and the like; the problems that existing oral gel is short in analgesia time and insufficient in anti-inflammation can be effectively solved.

The invention relates to the technical field of agricultural pest control, and particularly discloses a preparation method of an apolygus lucorum food attractant based on a composite plant extract. A preparation method of the apolygus lucorum food attractant based on the composite plant extract comprises the following steps: S1, treating a sesame raw material: taking the sesame raw material and crushing; s2, sesame extraction: taking the sesame particles obtained in S1, adding an ethanol water solution, performing ultrasonic-assisted extraction, and filtering to obtain a filtrate; s3, sesame concentration: performing vacuum concentration on the filtrate obtained in S2 to obtain a sesame extract; s4, material preparation: weighing corn germ powder, soybean powder, rice bran powder, a plant attractant methyl jasmonate, a saccharide aid maltitol and an antibacterial agent potassium sorbate, and uniformly mixing; s5, extracting; s6, mixing; and S7, drying and forming. The preparation method provided by the invention can be used for producing the special food attractant with slow release characteristic and high biological activity for the apolygus lucorum, and has the advantages that volatile active ingredients are efficiently dissolved out, and the structure is complete and reserved.

A composition (100) for inhibiting growth of microbial contamination is disclosed The composition includes a plurality of volatile antimicrobial components (110) including at least one of potassium sorbate and sorbic acid. The composition further includes a plurality of non-volatile antimicrobial components (120) including natamycin. A weight ratio of the plurality of volatile antimicrobial components to the plurality of non-volatile antimicrobial components is in the range of 10:2 to 10:1. The composition is placed at a distance from a target surface to inhibit microbial growth on the target surface by releasing the plurality of volatile antimicrobial components and the plurality of non-volatile antimicrobial components into a surrounding air. The target surface is exposed to microbial contaminants. moisture and humidity.

The present invention discloses the application of serine in the feed of Coccinella septempunctata, belonging to the field of feed. It also discloses the feed of Coccinella septempunctata added with serine, and its raw material composition is: dried fly maggot pupae powder, dried goose liver powder, rose pollen, dried kiwifruit powder, sucrose, olive oil, purified water, potassium sorbate, serine. Through the improvement of materials, the present invention improves the feeding effect of female Coccinella septempunctata, and by controlling the content of serine, more precise control is carried out on the egg-laying amount, feeding frequency, egg hatching rate and adult survival rate, improving the survival rate, egg hatching rate and egg-laying amount of Coccinella septempunctata, which is more beneficial to the feeding of female Coccinella septempunctata, and the cost is greatly reduced compared with the prior art.

The invention discloses wormwood acarid-removing granules and preparation equipment and method, the wormwood acarid-removing granules comprise a base material, wormwood powder and auxiliary materials, and the formula comprises the following components in percentage by weight: 35% of base material attapulgite clay powder and 20% of wormwood powder; the auxiliary materials comprise 10% of purple perilla, 10% of mint, 15% of radix stemonae and 15% of green prickleyash; based on the total weight of 100 parts of the basic auxiliary materials, the auxiliaries comprise 2-4 parts of sodium carboxymethyl cellulose, 0.5-0.8 part of potassium sorbate and 6-12 parts of deionized water, and the particle size of finished product particles is 1-5 cm. Through the arrangement of a driving rod, a stirring rod, a circular plate and a T-shaped rod, in the stirring and mixing process of mixed powder in a mixing cavity, a baffle continuously keeps blocking a discharging groove, it is ensured that all kinds of powder are not fully mixed, after mixing is completed, blocking of the discharging groove by the baffle is relieved, and the stirring rod can push the mixed powder to pass through the discharging groove, so that the mixing efficiency is improved. According to the preparation method, the raw materials enter the screw extruder, so that the preparation of the wormwood acarid-removing particles is completed, dust generated in the production environment is reduced, and meanwhile, the preparation efficiency of the wormwood acarid-removing particles is also improved.

This invention discloses a fruit juice jelly soda and its preparation method, relating to the field of food processing technology. The fruit juice jelly soda comprises liquid materials and carbon dioxide gas, with a volume ratio of liquid materials to carbon dioxide gas of 1:(1-2). The liquid materials comprise the following raw materials in parts by weight: 1000 parts water, 50-100 parts fructose syrup, 30-50 parts carbonated white sugar, 10-50 parts concentrated fruit juice, 5-10 parts sodium chloride, 5-10 parts compound thickener, 1-5 parts anhydrous citric acid, 1-3 parts potassium sorbate, 0.01-0.1 parts food coloring, and 1-3 parts food flavoring. The fruit juice jelly soda of this invention combines the flavor of fruit juice jelly with the refreshing taste of carbonated soda.

The present application provides a kind of complex probiotic paste, which combines Enterococcus faecalis, Saccharomyces cerevisiae and vitamin B 12 Producing lactic acid bacteria of canine source, adds prebiotics, flavoring substances and auxiliary substances such as paste matrix preparation.In the paste, the viable count of Enterococcus faecalis, Saccharomyces cerevisiae and lactic acid bacteria is 1-2:1-2:1-8;Paste matrix includes fructooligosaccharide 0.5-3%, psyllium husk powder 0.1-2%, goat milk powder 2-8%, chicken liver powder 1-5%, potassium sorbate 0.5-2%, xanthan gum 1-4%, and the balance is water.The above-mentioned complex probiotic paste can be stably stored for 56 days at 4 DEG C and normal temperature dry place, has good storage stability, good safety, and can adjust intestinal flora and increase the content of intestinal lactic acid bacteria.The above-mentioned complex probiotic paste has good palatability and oral tolerance for pets such as dogs and cats, and has good therapeutic effect on DSS-induced chronic enteritis diarrhea and vitamin B 12 Deficiency.

The present application relates to the field of natural gas decarburization, and discloses a decarburization solvent, a decarburization method and system of carbon-containing natural gas, the decarburization solvent comprising a main agent, an activator and an auxiliary agent; wherein the main agent is N-methyldiethanolamine, the activator comprises a primary amine and a secondary amine, and the auxiliary agent is selected from at least one of potassium sorbate, sodium sorbate and sodium sulfite.The decarburization solvent and the decarburization method provided by the present application can not only make the absorption and regeneration equipment flexible to follow the change of the CO2 content of the raw gas in the natural gas development process and expand, but also avoid the corrosion and foaming of the tower equipment in the conventional process; meanwhile, the absorption and regeneration performance of the decarburization solution can be improved under the condition of meeting the purification index, and the regeneration heat consumption and the power consumption for pressurization of the amine liquid circulation can be greatly reduced.

The invention relates to a sodium dichloroisocyanurate composite polishing solution capable of improving indium phosphide removal rate and surface quality. The polishing solution is prepared from the following components: nano silicon dioxide with the concentration of 8.0 to 12.0 weight percent, an oxidant with the concentration of 0.8 to 1.1 weight percent, a complexing agent with the concentration of 0.8 to 1.1 weight percent, a surfactant with the concentration of 200 to 500 ppm and the balance of deionized water, and the pH value of the polishing solution system is 8.9-9.1. The oxidizing agent is sodium dichloroisocyanurate; the complexing agent is potassium sorbate; according to the polishing solution, the removal rate and the surface quality of indium phosphide are obviously improved, and harmful gas is not generated to the maximum extent under the alkaline condition.

The present invention relates to a method for stabilizing an aqueous solution of beta amylase, in particular by using glycerol, potassium sorbate and sodium carbonate. The admixture of the additives is particularly effective over time in maintaining the enzymatic activity of the beta amylase. Another object of the invention consists of the use of said mixture for the specific function of maintaining the enzymatic activity of beta amylase. Another object of the present invention is to provide an aqueous solution of beta amylase comprising the above mixture. The final object of the invention consists of the use of said aqueous beta amylase solution for use in bread making, in the malt industry, as a food additive, as a digesting agent, for sweetener production, in pharmacy, and finally for the production of maltose and maltose-rich syrups.

The invention belongs to the technical field of pet food, and particularly relates to a collagen pet tooth cleaning bone and a preparation method thereof.The collagen pet tooth cleaning bone is prepared from, by weight, 60-100 parts of collagen, 10-30 parts of meat, 0-20 parts of edible powder, 1-10 parts of glycerinum, 1-3 parts of potassium sorbate, 0.2-1 part of vitamin E, seaweed extract and coconut oil, the addition amount of the seaweed extract is 0.1-0.5% of the amount of the collagen, and the addition amount of the coconut oil is 1-5% of the amount of the collagen; the collagen pet tooth cleaning bone is obtained through the working procedures of raw material pretreatment, ingredient stirring, extrusion molding and baking. The tooth cleaning bone is soft but sufficient in toughness, does not seriously wear pet teeth, can reduce pet halitosis and slow down the forming speed of dental calculus and dental plaque, and can be widely applied to pet oral cavity cleaning.

The invention discloses siraitia grosvenorii and stevia rebaudiana flavored syrup and a preparation method thereof, and belongs to the field of food processing. The syrup is prepared from 72%-99% of water, 0%-26% of erythritol, 0%-1% of mogroside, 0%-0.2% of stevioside and citric acid lt. 0.3% of potassium sorbate; the mass ratio of the mogroside to the stevioside is (1-5): 1, and the pH value of the mogroside and the stevioside is 3.5-5.5. The preparation method comprises the steps of raw material preparation, mixing and stirring, pH value adjustment, sterilization treatment, preservative addition and packaging. Through synergistic compounding of the sweetening agent and process optimization, the problems that an existing product is not coordinated in flavor and poor in stability are solved, and the product is fresh, sweet, free of peculiar smell, long in storage life, suitable for the fields of beverages, baking and the like and good in application value.

The invention discloses a potassium sorbate food additive anti-residue conveying feeding device, relate to the field of food additive conveying technology, including a screw conveyor and a quantitative feeder installed at the discharge end of the screw conveyor, the bottom end of the quantitative feeder is fixedly connected to a transport pipeline. When the present invention is used, when the food additives in the transport pipeline are transported to the transport elbow by the dynamic conveying equipment through the airflow, the super-hydrophobic coating of the super-hydrophobic coating film effectively reduces the adhesion residue of the food additive. The magnetostrictive vibrator generates high-frequency ultrasonic vibrations, which are transmitted to the thin piezoelectric vibrating film by the transfer hole of the titanium alloy coupling block and the porous gradient structure, produce high-frequency deformation, and are transmitted to the super-hydrophobic coating film, enhance contact vibration, directly apply shear force and peeling force to the attached powder food additive, so that it falls off from the super-hydrophobic coating film inner wall, avoid the powder additive adhesion residue.

The invention relates to the technical field of toy materials, in particular to antibacterial and mildewproof plasticine and a preparation method thereof, and the antibacterial and mildewproof plasticine specifically comprises the following components in parts by weight: 40-50 parts of starch, 20-25 parts of glycerol, 3-5 parts of polyethylene glycol, 0.5-0.8 part of an emulsifier, 5-8 parts of sodium chloride, 5-8 parts of hydrogen peroxide, 0.1-0.3 part of potassium sorbate, 0.2-0.3 part of phenoxyethanol, 3-7 parts of a composite nanoparticle material and 15-20 parts of water. The plasticine mostly adopts food-grade raw materials, is non-toxic and harmless, can guarantee the safety of a user, can reduce the allergy risk of children, can effectively inhibit bacterium breeding and avoid mildewing and deterioration of the plasticine by adding potassium sorbate, is suitable for long-term storage or multi-user use scenes, and has a good market prospect. In addition, a special composite nano-particle material is adopted as a carrier to load phenoxyethanol, so that the antibacterial aging can be effectively prolonged, and the long-term antibacterial effect is realized.

The invention provides a spicy walnut kernel and a preparation method thereof, and belongs to the technical field of food processing. The Chinese prickly ash sesame walnut kernels disclosed by the invention comprise the following components in parts by weight: 800-1200 parts of walnut kernels, 40-60 parts of Chinese prickly ash oil, 3-8 parts of chili oil, 3-5 parts of white granulated sugar, 3-5 parts of edible salt, 1-5 parts of monosodium glutamate, 3-8 parts of garlic powder, 1-5 parts of ginger powder, 3-8 parts of white pepper, 1-5 parts of a yeast extract, 0.02-0.1 part of disodium 5 '-ribonucleotide, 0.05-0.2 part of a rosemary extract, 0.1-0.3 part of an acanthopanax senticosus extract, 3-7 parts of amomum tsao-ko and 0.05-0.15 part of D-sodium erythorbate. 0.1 to 0.2 part of epsilon-polylysine hydrochloride, 0.1 to 0.3 part of potassium sorbate and 0.02 to 0.04 part of sodium pyrosulfite. The spicy walnut kernels prepared by the method are crisp and delicious, the nutrition of the walnut kernels is not lost, and the spicy walnut kernels are spicy, fresh and fragrant and have a long shelf life.

The invention discloses a carbon-based biological liquid organic water-soluble fertilizer as well as a preparation method and application thereof, and belongs to the technical field of biological organic fertilizers. The water-soluble fertilizer comprises the following raw materials in parts by weight: 15-25 parts of a seaweed extract, 10-15 parts of potassium fulvate, 5-10 parts of a compound microbial agent, 3-5 parts of potassium dihydrogen phosphate, 2-4 parts of potassium nitrate, 2-3 parts of urea, 2-3 parts of calcium nitrate, 1-2 parts of magnesium sulfate heptahydrate, 1-1.5 parts of a trace element-containing substance, 1-2 parts of sodium dodecyl benzene sulfonate and 0.5-1 part of potassium sorbate. The total amount of the components is 100 parts. According to the invention, three strains such as pseudomonas sevivaldi, bacillus pumila and bacillus thuringiensis are screened to play roles in three dimensions of promoting growth, improving rhizosphere environment and preventing and treating diseases and insect pests respectively, and are combined with organic components such as seaweed extract and potassium fulvate in the fertilizer and other components, so that the fertilizer has a good application prospect. A comprehensive system of nutrition, growth promotion, disease resistance and quality improvement is formed, and the yield and quality of grapes are remarkably improved.

The invention discloses sargassum pallidum polysaccharide oral liquid as well as a preparation method and quality evaluation thereof, and belongs to the technical field of pharmaceutical preparations. The oral liquid is prepared by taking sargassum pallidum polysaccharide as a main medicine and matching sucralose, potassium sorbate, chitosan and other auxiliary materials through pH regulation, chitosan flocculation and centrifugal purification processes. Chitosan is directly added after the pH value of the solution is adjusted to be acidic, and meanwhile, the taste is remarkably improved by screening and optimizing a flavoring agent. The process is efficient, the cost is controllable, and the obtained oral liquid is high in clarity, excellent in active ingredient retention and suitable for industrial production.

The invention provides an oral care composition for inhibiting helicobacter pylori and a preparation method of the oral care composition. The oral care composition comprises glycerin, xylitol, erythritol, thymol clathrate, garlic extract clathrate, propolis extract, lactoferrin, disodium ethylene diamine tetraacetate, menthol, potassium sorbate and purified water. The thymol clathrate compound is obtained by carrying out clathration on thymol through beta-cyclodextrin. The garlic extract clathrate compound is obtained by clathrating a garlic extract with beta-cyclodextrin. According to the oral care composition provided by the invention, the helicobacter pylori in the oral cavity can be effectively inhibited through reasonable proportioning of various components, so that the risks of ozostomia and stomach reinfection are reduced.

The invention relates to the technical field of oral care, in particular to a night spray type anti-caries spray as well as a preparation method and application of the night spray type anti-caries spray. 0.1%-0.3% of a grapefruit seed extract; 0.1 to 0.5 percent of sodium hyaluronate; 2-5% of xylitol; 0.02 to 0.05 percent of menthol; 0.05 to 0.12 percent of dipotassium glycyrrhizinate; 0.05 to 0.10 percent of potassium sorbate; through the synergistic effect of the sodium fluoride, the grapefruit seed extract and the xylitol, a three-dimensional protection system capable of promoting remineralization, resisting bacteria in a broad spectrum and specifically inhibiting deformation hammer balls is formed, and the anti-caries effect at night is remarkably improved.