103 results about "Sorbitol" patented technology

This invention provides a microcapsule-based deodorizing cat litter, a concentrated granular cat litter, its preparation method, and its application, belonging to the field of cat litter preparation technology. The invention uses a complex of modified starch, gum arabic, polyvinylpyrrolidone, and sorbitol as the wall material to encapsulate fragrances and / or enzymes, resulting in microcapsules. The cat litter prepared from these microcapsules achieves intelligent targeted deodorization. The wall material ruptures upon contact with moisture in urine or feces, precisely releasing the active ingredients, allowing for a slow and continuous release of the deodorizing components. The cat litter provided by this invention exhibits excellent deodorization, as well as good water absorption, dust control, and clumping properties. This cat litter successfully balances superior functionality, production feasibility, and cost control, making it a high-end cat litter with significant market potential.

The invention discloses a compound microorganism freeze-drying protective agent, a preparation method of the compound microorganism freeze-drying protective agent and a use method of the compound microorganism freeze-drying protective agent. Comprising the following raw materials in parts by weight: 0.03 part of disodium ethylene diamine tetraacetate, 5 to 15 parts of trehalose, 2 to 5 parts of sorbitol, 0.5 to 2 parts of ascorbic acid, 0.05 to 0.2 part of N-acetyl-L-cysteine, 0.1 to 0.5 part of polylactic acid-glycolic acid copolymer, 0.01 to 0.05 part of alpha-tocopherol and 1 to 3 parts of bentonite. The PLGA, the alpha-tocopherol and the NAC construct a three-stage synergistic anti-oxidation system from outside to inside: the PLGA is externally blocked, so that rapid consumption of an antioxidant is avoided, and slow release is realized; the alpha-tocopherol realizes oxidative damage repair of cell membranes; nAC maintains the internal reduction environment of cells, reduces oxidative stress and can regenerate alpha-tocopherol at the same time, and reutilization of resources is achieved.

The application discloses a preparation of isosorbide catalyst and its preparation method and application. The catalyst is an organic / inorganic hybrid material, wherein the organic component comprises a functional group containing two or more N atoms and a hydrophobic group without nitrogen, and the inorganic component is a mesoporous silica material. The catalyst provided by the application is applied to the reaction of sorbitol and dimethyl carbonate to prepare isosorbide, and has high catalytic performance.

The application discloses a low-sugar sugar coating, a preparation method thereof and a low-sugar skewer, the low-sugar sugar coating comprising 3-5 parts by mass of white granulated sugar and 5-7 parts by mass of a natural sweetener, and the white granulated sugar and the natural sweetener accounting for 10 parts by mass in total; the natural sweetener comprises trehalose and a polyhydric sugar alcohol; when the polyhydric sugar alcohol is sorbitol, the mass ratio of the trehalose to the polyhydric sugar alcohol is 1:0.75-7; and when the polyhydric sugar alcohol is xylitol, the mass ratio of the trehalose to the polyhydric sugar alcohol is 3-9:1. The low-sugar skewer comprises stuffing and a sugar coating wrapping the stuffing, and the sugar coating is the low-sugar sugar coating. The low-sugar sugar coating has a greatly reduced amount of white granulated sugar and is healthier; meanwhile, the sugar coating has a lower solubility and is easier to store; and compared with traditional sugar coatings and traditional skewers, the low-sugar sugar coating and the low-sugar skewer have a close or even better taste, and can meet the dual demands of consumers for health and taste.

The application provides a buffer for improving the stability of foot-and-mouth disease vaccine antigen, which contains milk serum, sodium chloride, sorbitol, glycine, K2HPO4.3H2O and KH2PO4. The buffer has the effects of improving the thermal stability of 146S antigen and obviously inhibiting the degradation of 146S antigen under the conditions of 4 DEG C and 37 DEG C. The antigen resuspended by the buffer and the prepared vaccine can be stored for a long time under the condition of 4 DEG C. In addition, the buffer is easy to prepare and dissolve, can be used as a medium for resuspending FMD antigen, is a good thermal stability protective agent for FMD antigen and vaccine, can be used in large-scale production, has strong practicability, can obviously reduce the degradation rate of effective antigen in foot-and-mouth disease vaccine under storage conditions and extreme conditions, and obviously improves the product quality.

The present invention relates to a composition with absorption capacity characterised in that it comprises 5% to 50% sodium carboxymethyl cellulose; 0.01% to 5% D-sorbitol; 0.05% to 5% citric acid and 50% to 95% water. The invention also relates to a method for producing a composition with efficient liquid-absorption capacity for various uses characterised in that it comprises: a) mixing 0.05% to 5% w / w citric acid and 0.01% to 5% w / w D-sorbitol; b) partially prepolymerising the mixture of point (a) at a temperature between 80°C and 180°C for 30 minutes to 12 hours until a branched cross-linking prepolymer that is completely soluble in water is formed; c) completely dissolving the cross-linking prepolymer in water in a proportion of between 50% and 95% w / v; d) adding between 5% and 50% w / w sodium carboxymethyl cellulose until it solubilises and forms a gel with a moisture content of between 30% and 95%; e) dividing and dehydrating the gel at a temperature between 40°C and 90°C for 1 to 24 hours until a solid product is formed with a moisture content below 10%; f) grinding and sieving the product to a size of 0.1 mm to 5 mm; and g) esterifying with heat at 80°C to 180°C for 15 minutes to 12 hours.

A patch composition for targeting herpes virus comprising the following ingredients: a patch base, trisodium phosphate, malic acid, sorbitol, sodium benzoate, cellulose gum, peppermint, sodium saccharin, naringin, wind wheel grass extract, xanthan gum, polyethylene glycol-8, calcium carbonate, hydroxyethyl cellulose, hydroxypropyl guar gum, sodium nitrate, hydrated silica, sodium lauryl sulfate, strontium chloride hexahydrate, tranexamic acid, two-faced needle extract, sodium monofluorophosphate, sea salt, potassium nitrate, sodium chloride, and purified water q.s.

The application discloses a kind of microbial fertilizer and its in improving white pulp soil carbon sequestration capacity and application in promoting straw decomposition, belong to the technical field of microbial fertilizer.The microbial fertilizer includes organic matter, biochar, microbial inoculant, trace element and microbial activator;The microbial inoculant includes bacillus ND2 and bacillus megaterium CICC 22681;The microbial activator includes fulvic acid, gamma-polyglutamic acid and sorbitol.The microbial fertilizer of the application has the dual function of white pulp soil improvement and straw decomposition, can accelerate straw decomposition, improve white pulp soil structure, improve soil fertility and carbon sequestration capacity, help agricultural waste resourceization and soil quality improvement collaborative development, in white pulp soil area or other barren soil area in future agricultural production, it is expected to become important technical support for promoting sustainable development of ecological agriculture, and application prospect is wide.

Provided is a composition capable of suppressing generation of a trimer even when an aliphatic aldehyde at a high concentration of 90 mass% or more is stored at a low temperature. The composition contains 90 mass% or more of an aliphatic aldehyde having 8-16 carbon atoms and 100 ppm or more and 1 mass% or less of an additive with respect to the mass of the aliphatic aldehyde, wherein the additive is one or more selected from the group consisting of polyalkylene glycol derivatives represented by formula (I), sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters, polyoxyethylene sorbitol fatty acid esters, amino acids represented by formula (II), anthranilic acid esters represented by formula (III), and pyrazine derivatives represented by formula (IV).

The present application provides a high-stability zero sucrose milk-containing solid formed product, and the preparation raw material comprises a sweetener selected from sorbitol, polydextrose and trehalose. By using a specific kind of sweetener to replace sucrose, the present application not only can reduce the heat of the product, but also can effectively improve the texture stability of the product. The sweetener used in the present application has good moisturizing performance and low crystallization tendency while maintaining sweetness, which helps to reduce water migration and sugar crystallization, thereby slowing down the hardening phenomenon of the milk-containing solid formed product.

The present application relates to toothpaste technical field, specifically, it relates to the bacteriostatic oral care toothpaste based on active ingredient of mountain ardisia. It includes sorbitol, hydrated silicon stone, deionized water, polyethylene glycol-8, sodium lauryl sulfate, essence, polyquaternium-22, cellulose glue, sodium saccharin, hydroxypropyl guar gum, sodium methyl hydroxybenzoate and mountain ardisia extract;The bacteriostatic oral care toothpaste based on active ingredient of mountain ardisia, by introducing the mountain ardisia extract with specific chemical composition into the formula system, effectively solve the problem that the existing oral care product is not strong in specificity to periodontal pathogenic bacteria, and the bacteriostatic spectrum is relatively single;The mutual synergistic effect relationship exists between the extract, not only broaden the inhibition spectrum of periodontal pathogenic microorganism, also can reduce the oxidative stress and inflammatory response of gingival tissue, thereby maintaining oral cleaning, improve the comprehensive performance of oral care product and the mildness of use.

The present invention relates to an oral pouch filler containing an active substance, characterized in that it comprises an excipient containing cellulose and a sugar alcohol, a binder, a pH adjuster, and a flavoring agent, wherein the sugar alcohol contains sorbitol. By using the oral pouch filler, the release rate of the active substance can be adjusted, and the absorption rate of the active substance into the user's body can be adjusted.

The present invention addresses the problem of providing an edible oil or fat that is usable for any kinds of foods, has an improved oxidation stability and shows a good flavor. A tea extract and sorbitol are stably dispersed in an oil or fat. Thus, the oxidation stability can be improved without increasing the content of the tea extract.

The application belongs to the technical field of oil exploitation, and particularly relates to a biological gel breaking enzyme protective agent for fracturing, a preparation method thereof and a fracturing fluid system. The biological gel breaking enzyme protective agent for fracturing comprises the following raw material components in parts by weight: ascorbic acid 0.2-0.4 parts, sucrose 0.2-0.4 parts, sorbitol 0.4-0.6 parts, glycerol 0.01-0.03 parts, glutamic acid 0.1-0.3 parts, histidine 0.1-0.3 parts, aspartic acid 0.1-0.3 parts, and the rest is buffer; and the total weight of the raw material parts is 100. The biological gel breaking enzyme protective agent for fracturing can greatly prolong the effective action time of the biological gel breaking enzyme, improve the poor stability of the biological enzyme preparation, and solve the problem that the biological enzyme preparation is easily affected by fluctuations to cause inactivation. The biological gel breaking enzyme protective agent for fracturing has good compatibility with the rest components of the fracturing fluid system, the biological enzyme can maintain activity even under limited field operation conditions, and the demand of reservoir reconstruction construction can be met.

An aqueous formulation includes a PEDF-derived short peptide (PDSP) having the sequence of one of SEQ ID NO: 1, 2, 3, 5, 6, 8, or 9; histidine having a concentration of 1 mM – 100 mM; and an antioxidant and optionally a non-ionic tonicity agent. The pH value is around 5–9. The antioxidant is nicotinamide, which is at a concentration of 50 mM – 1000 mM. The non-ionic tonicity agent is sorbitol, which is at a concentration of 0 mM – 500 mM. A concentration of the PDSP is 0.01% - 1% w / v.

This invention discloses a leak-proof, highly elastic phase change gel ice pack material and its preparation method. The ice pack material is based on a synergistically modified polymer matrix composed of polyvinyl alcohol and sodium alginate. A stable physical cross-linked structure is constructed through the synergistic effect of calcium chloride and sorbitol. Inositol is introduced as an organic small molecule structure regulator, ensuring that the phase change cold storage medium, polyol humectant, and inorganic stabilizing agent are uniformly and stably dispersed in the gel system. The phase change gel ice pack material obtained by the above preparation method maintains good structural integrity and elastic recovery performance under pressure and repeated freeze-thaw conditions, effectively reducing the migration and leakage risk of the phase change cold storage medium. It features stable phase change performance, significant leak-proof effect, and high safety in use, making it suitable for cold chain transportation, medical cold compresses, and daily cold storage applications.

This invention discloses an oil-resistant, high-temperature, fast-dissolving, edible packaging film and its preparation method, belonging to the field of biodegradable polymer materials technology. By mass percentage, the raw materials for preparing this oil-resistant, high-temperature, fast-dissolving, edible packaging film include 0.5-5.0% hydroxypropyl methylcellulose, 0.1-1.5% sorbitol, 1.0-9.0% gelling agent, 0.05-1.0% coagulant, and the balance being water. The gelling agent comprises carrageenan, low-acyl gellan gum, and xanthan gum in a mass ratio of 1:0.1-0.3:0.01-0.05, with the mass ratio of hydroxypropyl methylcellulose to xanthan gum being 1:0.01-0.1. This invention rationally combines three gelling components with different properties, along with hydroxypropyl methylcellulose and sorbitol, to achieve good mechanical properties and oxygen barrier properties, while also achieving high-temperature fast dissolution and oil resistance.

The present application relates to the technical field of process chemicals, and discloses a positive photoresist stripping solution and a preparation method thereof, which comprises the following steps: step one, mixing monoethanolamine, catechol and sorbitol at 60-65 DEG C and constant temperature stirring to prepare a structure precursor with a dynamic viscosity of 350-500 mPa s; step two, mixing dimethyl sulfoxide and dipropylene glycol methyl ether and cooling to 5-10 DEG C to prepare a low-viscosity cold trap continuous phase, and establishing a temperature gradient of at least 50 DEG C and a viscosity gradient of 70 times with the precursor; and step three, shearing the precursor into the continuous phase at a controlled rate, and blocking the hydrogen bond network dissociation by using temperature difference and shear force, wherein the present application uses a non-equilibrium state thermal / rheological process to construct metastable amine clusters, reduces the corrosion to the metal substrate through physical steric effect, and realizes the decoupling of stripping efficiency and material compatibility.

This invention discloses a eutectic solvent and its ultrasonic method for extracting polysaccharides from evening primrose seeds, belonging to the field of polysaccharide extraction technology. The eutectic solvent comprises a hydrogen bond acceptor and a hydrogen bond donor in a molar ratio of 1:(1~2); the hydrogen bond acceptor is choline chloride, and the hydrogen bond donor is a single component or a two-component. The single component includes any one of glycerol, malonic acid, lactic acid, 1,3-butanediol, butylene glycol, D-sorbitol, citric acid, and ethanol; the two-component is 1,3-butanediol and butylene glycol in a molar ratio of 2:(0.5~1). This invention uses an ultrasonic method with a eutectic solvent to extract polysaccharides from evening primrose seeds. The eutectic solvent and evening primrose seed powder are mixed in a certain proportion, and the polysaccharide extract is obtained after ultrasonic extraction. This significantly improves the extraction rate of evening primrose seed polysaccharides and greatly enhances the resource utilization rate of evening primrose. Compared with water extraction, it has a lower extraction temperature, shorter extraction time, and higher extraction rate.

The application discloses a kind of thermoplastic starch masterbatch of resistance to retrogradation and preparation method and application thereof, including the components in mass fraction as follows: 68-75 parts of raw starch, 2-5 parts of water, 22.5-29.8 parts of composite plasticizer, 0.2-0.5 parts of acid stabilizer;The composite plasticizer includes glycerol, sorbitol, and the obtained thermoplastic starch masterbatch is resistant to retrogradation, and has good plasticizing property.

A tablet including zinc histidine or a solvate thereof as an active ingredient, further including one or more ingredients selected from the group consisting of sucrose, sorbitol, xylitol, corn starch, and potato starch; and crystalline cellulose; and excluding D-mannitol as an excipient, lactose, fructose, and glucose, and a tablet including zinc histidine or a solvate thereof as an active ingredient, having a 15-minute dissolution value of 80% or more in the paddle method (test solution: water, rotate speed: 75 rpm) (excluding D-mannitol as an excipient, lactose, fructose, and glucose), obtained by the following steps: granulating zinc histidine or a solvate thereof, one or more components selected from the group consisting of sucrose, sorbitol, xylitol, corn starch, and potato starch, and crystalline cellulose, with a binder; drying the obtained granulate; and tableting the dried granulate.

This invention discloses a cefoperazone sodium and sulbactam sodium composition and its preparation method, comprising the following steps: preparing a chitosan-β-glycerophosphate sodium colloidal solution; mixing dry ice and sorbitol evenly, then adding the mixture to the colloidal solution, freezing, heating, and drying under reduced pressure to obtain chitosan-β-glycerophosphate sodium nanospheres; slowly adding cefoperazone sodium, sulbactam sodium, and chitosan-β-glycerophosphate sodium nanospheres to water for injection, stirring to dissolve; adjusting the pH to 7.1-7.5, adding an adsorbent for adsorption and filtration, adding dry ice; freeze-drying to obtain a cefoperazone sodium and sulbactam sodium mixed powder. The nanospheres of this invention, with a certain size gradient, are beneficial for the uniformity of the mixed powder of cefoperazone sodium and sulbactam sodium, resulting in a longer-lasting efficacy, better stability, lower hygroscopicity, and also playing an antibacterial role.

The application relates to a biodegradable heat-seal film and a preparation method thereof, and belongs to the technical field of heat-seal films. The biodegradable heat-seal film is prepared from the following raw materials in parts by weight: 45-55 parts of polylactic acid, 6-12 parts of modified cassava powder, 5-12 parts of toughening fiber, 8-18 parts of glycerol, 0.5-1.5 parts of sorbitol, 3-5 parts of citric acid and 4-8 parts of stearic acid. The modified cassava powder is obtained by wet heat treatment and oxidation treatment of cassava starch, and the toughening fiber is prepared by explosion and purification treatment of plants as raw materials. The biodegradable heat-seal film is prepared through the synergistic effect of polylactic acid, modified cassava powder and plant-based toughening fiber in a specific ratio. The wet heat-oxidation double-modified cassava powder improves the compatibility with polylactic acid and the degradation performance. The toughening fiber obtained by steam explosion and purification of multiple plants can provide anchor points for the biodegradable heat-seal film, so that the biodegradable heat-seal film is not prone to long fracture when being pulled.

The application discloses a carbon-coated nickel catalyst and a preparation method and application thereof in preparation of sorbitol from glucose by hydrogenation. The preparation method comprises the following steps: step one, preparing a supported nickel catalyst; step two, uniformly mixing the supported nickel catalyst with water, adding a soluble sugar carbon source compound, vacuum drying until the water is dried after room temperature immersion for 4-10 hours, to obtain a dry product; and finally obtaining the carbon-coated nickel catalyst by calcining the dry product at 400-900 DEG C under N2 atmosphere for 4-10 hours. The application provides the application of the carbon-coated nickel catalyst in preparation of sorbitol from glucose by hydrogenation, and the carbon-coated nickel catalyst has good stability and target product selectivity.

A lily and white kidney bean chewable tablet and its preparation method belong to the field of chewable tablet processing technology. The lily and white kidney bean chewable tablet comprises the following components in parts by weight: 20 parts dried lily powder, 25 parts white kidney bean powder, 10 parts maltodextrin, 5 parts sorbitol, 1 part magnesium stearate, 0.4 parts citric acid, and an appropriate amount of purified water. This invention disrupts part of the starch structure in lily, making its mucilage more easily absorbed by the human body. This component has an auxiliary effect on regulating blood lipids. The processing of white kidney beans avoids the phytohemagglutinin and trypsin inhibitors they contain, which hinder protein absorption and irritate the gastrointestinal tract. It also maximizes the retention of dietary fiber and B vitamins in white kidney beans, helping to control blood sugar and lower blood lipids.

The application discloses a transparent partially deacylated gellan gum and a preparation method thereof, and belongs to the technical field of post-processing of gellan gum fermentation liquor. The method comprises the following steps: diluting high-acyl gellan gum fermentation liquor to a polysaccharide content of 0.8-1.1%; adding sorbitol and buffer salt to adjust the pH to alkaline, adding lysozyme and protease to remove bacteria, proteins and to perform mild partial deacylation; adjusting the pH to terminate the deacylation, then reducing the viscosity at high temperature, and removing insoluble impurities through high-temperature and high-speed centrifugation; adding low-level alcohol to flocculate after the temperature is lowered and the pH is adjusted, and the finished product is obtained through solid-liquid separation, drying and crushing. The application solves the problem of clarification caused by high viscosity and high gel temperature, the prepared product has good transparency, a gel temperature of 50-60 DEG C, excellent gel elasticity, stable performance, and can be widely applied to food, daily chemical and pharmaceutical fields such as plant soft and hard capsules with high requirements on transparency, and fills the blank of commercial production of transparent partially deacylated gellan gum.

This invention belongs to the field of molecular diagnostic technology and discloses a premixed reagent solution suitable for multiplex fluorescent PCR systems, its preparation method, and its application. The premixed solution uses purified water as a solvent and 2 mol / L sorbitol, 25% (w / v) trehalose, 2% (w / v) glycine, 20% (w / v) dextran, and stock solution of Tween-20 as raw materials. The preparation method involves mixing the components thoroughly and then drying them in a hot air drying oven to obtain a transparent gel-like product. This product is compatible with multiplex fluorescent PCR using multiple primers and probes and multi-channel detection. It has advantages such as low hygroscopicity, good resolubility, and excellent stability. It maintains excellent amplification efficiency and detection sensitivity even after room temperature storage, requires no cold chain transportation, and is convenient to use. Furthermore, the process is simple, cost-effective, and has good batch reproducibility, making it widely applicable in nucleic acid amplification scenarios such as clinical diagnosis and food safety monitoring.