130 results about "Sorbitol solution" patented technology

The invention discloses a new technology to manufacture ethandiol, which is characterized by the following: liquefying starch emulsion; saccharifying; filtering; decolouring; separating through simulated mobile chromatogramic separating system; obtaining DX 99-99.7% glucose slurry; evaporating DX value glucose slurry to 50% as dried material; adopting ruthenium or nickel as catalyst; proceeding hydrogenation reaction to obtain the sorbitol solution; hydrogenolyzing for certain time under one catalyst of Ru, Ni / Ru and Co / Re to produce compound with ethandiol, glycerin and propanediol; cooling multi-alcohol; sedimenting; filtering; separating; decolouring; separating ethandiol, glycerin and propanediol.

An aqueous syrup for use in chewing gum, particularly pellet gum, comprises, on a dry basis, greater than about 98% polyols, of which i) about 50% to about 90% is sorbitol, ii) about 3% to about 30% is maltitol, iii) about 2% to about 20% are polyols, other than sorbitol and maltitol, with a degree of polymerization (DP) of 1 or 2, and iv) less than about 20% (and perhaps less than about 12%) are polyols with a DP of 3 or greater. The syrup is made with less than about 1.0% plasticizing agent, such as glycerin or propylene glycol. The syrup contains less than 5% water. The syrup can be made by evaporating a mixture of a sorbitol solution, a maltitol syrup and one or more polyols selected from the group consisting of mannitol, xylitol, lactitol, erythritol, hydrogenated isomaltulose, and combinations thereof. Methods of using the syrup to make chewing gum, and chewing gum products containing the syrup are also provided.

The invention discloses a method for preparing isosorbide by taking supported heteropoly acid as a catalyst. Sorbitol from a biological radical is used as a raw material to prepare the isosorbide directly through dehydration reaction. The method comprises the following steps: putting the catalyst into a constant temperature section of a fixed-bed reactor; introducing a reactant sorbitol solution into a reactor, and performing reaction through a catalyst bed after gasification; and separating a mixture obtained after the reaction to obtain the isosorbide. The method has simple operation process of the reaction, low production cost and light environmental pollution; the selectivity and yield of the isosorbide reaches up to 75.2 percent and 71.4 percent respectively, and the catalyst is easy to separate and recycle; and the method is a novel method which meets industrial demands and has strong practicality.

The present invention provide a method of catalyzing sorbitol to synthesize bio-petrol with higher total octane value. Using sorbitol as raw stuff, employing reaction apparatus with minisize high-pressure slurry bed as core, employing load type Pt as catalyst, active component of the load type Pt catalyst is Pt; vectors are HZSM-5 molecular sieve of 20-200 meshes; capacity of the Pt is 0.5-2.0% mass of the vector; mixing the deacidized catalyst and sorbitol solution and added into the slurry bed of the reaction apparatus; accessing hydrogen gas and starting the reaction. The invention employs the load type catalyst Pt to obtain a more than 80% conversion rate and C<5+>, and content of isoalkane in products is higher, consequently increasing the total octane value of products, and the obtained bio-petrol is more suitable for motor petrol.

The invention discloses long-shelf-life baking-resistant eggless salad sauce and a preparation method and application thereof. The salad sauce is made from 20-42% of salad oil, 15-19.6% of sugars, 6-10% of white vinegar, 6-8% of sorbitol solution, 3.6-5.6% of pre-gelatinized modified starch, 2-3% of maltodextrin, 3-4% of glycerol, 0.15-0.35% of an emulsifier, 0.4-0.9% of colloid, 0.25-0.7% of whey protein, 0.5-2% of edible salt, 0.1-0.3% of a sourness agent, 0.003-0.03% of an antioxidant, 0-0.3% of monosodium glutamate, 0.-0.3% of an essence, 0-0.1% of a preservative, 0-0.1% of a pigment, and the balance of water. The salad sauce has low moisture activity, has reduced rancidity, and may be preserved at normal temperature for 6 months when not opened; the salad sauce may reasonably mate with a bread base, the original shape is kept after baking, no holes are generated, and strong flavor and good oral melting property are achieved.

The invention provides an electronic cigarette liquid solvent and a preparation method for the same. The electronic cigarette liquid solvent provided by the invention is obtained after mixing solvents of propylene glycol, glycerol, 1,3-butanediol, d-sorbitol solution, xylitol solution and the like, and the formula comprises 20-60 parts of propylene glycol, 30-50 parts of glycerol, 10-30 parts of 1,3-butanediol, 1-10 parts of d-sorbitol solution and 1-10 parts of xylitol solution. By using the electronic cigarette liquid solvent provided by the invention in the electronic cigarette liquid formula, the smoke concentration of an electronic cigarette can be effectively increased, the fulfilling sense of the oral cavity can be improved, and the remaining taste can be improved. The preparation method for the electronic cigarette liquid solvent is simple and practicable, and provides a good basis for development for an electronic cigarette liquid.

The invention discloses a semi-dry noodle antistaling agent. According to 100% total weight percent, the semi-dry noodle antistaling agent is prepared by components by weight percent: 63-80% edible alcohol, 14.5-30% sorbitol solution, 0-1.5% propylene glycol, 0.5-1% mono-caprylin and 5-7.5% edible alkali (at least one of potassium carbonate, sodium carbonate and calcium hydroxide). A flour-mixingprocess comprises the steps of: taking the antistaling agent with the additive amount which is 10-15% of the weight of the flour, wholly dissolving the antistaling agent in the water (the water for mixing the flour), and abundantly and evenly mixing the flour. Aiming at the characteristic of the semi-dry noodle main body and the characteristic of the microorganism flora, the selected additive is a plurality of normally-used flour product quality modifying agents, so that the semi-dry noodle antistaling agent is safe and reliable, the quality guarantee period of the semi-dry noodle is prolonged, and the quality of the semi-dry noodle is improved; and the semi-dry noodle antistaling agent is low in price, simple to operate, and obvious in effect, so that the quality guarantee period of the semi-dry noodle is prolonged to be more than three moths under normal temperature, and the requirement of the industrial production is completely met.

Disclosed is an aqueous coating material containing (A) at least one saturated and / or unsaturated polyurethane and / or an ionically and / or non-ionically stabilized polyurethane grafted with olefinically unsaturated compounds, (B) at least one wetting agent or dispersing agent, and (C) at least one organic solvent selected among the group comprising dimethylsulfoxide, sulfolane, 2-methyl-1-butanol, 3-methyl-1-butanol, 2-methyl-1-pentanol, hexylglycol, 1,6-hexanediol, diethylene glycol, triethylene glycol, glycerin, trimethylolpropane solutions, pentaerythrite solutions, sorbit solutions, reactive polyether polyols having a number-average molecular weight of 110 to 6,000 Dalton and a hydroxyl number of 25 to 1,000 mg KOH / g, propylene glycol monobutyl ether, dipropylene glycol dimethyl ether, glycerin ethoxylate, ethyl-3-ethoxypropionate, gamma-butyrolactone, N-(2-hydroxyethyl); -piperidine, N-methylmorpholine, N-(2-hydroxyethyl)-morpholine, N-acetylmorpholine, N-cyclohexyl pyrrolidone, and N-octyl-2-pyrrolidone. Also disclosed are a method for producing said aqueous coating material and the use thereof.

The invention belongs to the technical field of nutritional products, and particularly discloses a low-sugar type DHA algal oil gel candy and a preparation method thereof. A formula of the low-sugar type DHA algal oil gel candy comprises the following components: a core material comprising DHA algal oil, flaxseed oil and walnut oil, and a wall material comprising water, gelatin, glycerol, a sorbitol solution, a maltitol solution and trehalose. The formula also contains the DHA algae oil, flaxseed oil, walnut oil and other substances closely related to vision protection and intelligence enhancement, solves the problems of easily oxidized deterioration and short shelf life of products in the prior art, and avoids the negative effects of excessive DHA supplementation.

An injecta for supplying multiple microelement to human body contains Cr, Cu, Fe, Mn, Mo, Se, Zn, I, F, sorbitol, hydrochloric acid and the water for injection. It is prepared through dissolving sorbitol in said water, adding hydrochloric acid to said water and dissolving iron chloride in it, respectively dissolving zinc chloride, manganese chloride, copper chloride, sodium selenite, sodium molybdate and potassium iodide in said water and adding them to said sorbitol solution, mixing with the solution of hydrochloric acid, respectively dissolving chromium chloride and sodium fluoride in said water and slowly adding them to resultant mixture, and regulating.

The invention provides electronic cigarette liquid with a blueberry flavor and a preparation method thereof. The electronic cigarette liquid with the blueberry flavor disclosed by the invention is prepared from propylene glycol, glycerinum, 1,3-butanediol, a sorbitol solution, a tomato extract, blueberry juice concentrate, an edible blueberry flavor and the like in a manner of evenly mixing according to the ratio, wherein the tomato extract is obtained by ultrasonic treatment, ethanol heating reflux extraction, and vacuum rotary evaporation concentration; the blueberry extract is obtained by squeezing extraction and vacuum rotary evaporation concentration. The electronic cigarette liquid with the blueberry flavor comprises the following components in parts by weight: 1-80 parts of propylene glycol, 1-70 parts of glycerinum, 1-30 parts of 1,3-butanediol, 1-30 parts of sorbitol solution, 1-10 parts of tomato extract, 1-10 parts of blueberry juice concentrate and 0.1-5 parts of edible blueberry flavor. The electronic cigarette liquid disclosed by the invention has good blueberry fragrance, fresh and sweet taste and moderate strength, and can meet the smoking requirements of consumers on fruity electronic cigarettes.

The invention discloses an elastic cake and a preparation method thereof and belongs to the technical field of food processing and production. The elastic cake comprises the following constituents in parts by weight: cake flour 70-90, fresh eggs 60-80, white granulated sugar 60-80, trehalose 2-2.7, vegetable oil 40-50, a cake emulsifier 7-9, glycerine or water 5-7, double-effect baking powder 3-5, salt 1-5, egg milk-flavored powder 0.5-3, carotene 0.1-0.5, a pastry improver 1-5, sorbitol solution 9-12, potassium sorbate 0.1-0.2, glucolactone 0.5-1.5 and sodium dehydroacetate 0.05-0.1. The elastic cake is prepared through the operation steps of performing constituent proportioning, performing stirring, performing standing, performing forming through a machine, performing baking, performing packaging on finished products, etc., in sequence. The elastic cake prepared by the method provided by the invention is fluffy, soft and elastic and has a good taste, high nutritional value and high elasticity. The shelf life of the cake can be extended effectively through the method.

The invention discloses a method for preparing high-purity sorbitol and daily-chemical-grade sorbitol, wherein the method includes the following steps: (1) carrying out a catalytic hydrogenation reaction on a saccharification liquid, to obtain a sorbitol solution having the sorbitol purity of not less than 90.0%; (2) purifying the sorbitol solution by a nanofiltration membrane, to obtain a sorbitol purified liquid having the sorbitol purity of not less than 97.0% and a sorbitol intercepted liquid having the sorbitol purity of not less than 70.0%; and (3) post-processing the sorbitol purified liquid, to obtain the high-purity sorbitol; and post-processing the sorbitol intercepted liquid, to obtain the daily-chemical-grade sorbitol. The method for preparing the high-purity sorbitol and the daily-chemical-grade sorbitol adopts the nanofiltration separation technology for purification of the sorbitol solution, the production process is simple, the equipment investment is low, no by-products are generated, and resources are fully efficiently utilized.

The invention discloses a method for making dehydrated rice. The method comprises the following steps of: selecting rice; washing; performing sugar permeability treatment, namely soaking in a 20 to 70 mass percent sorbitol solution at the temperature of 15 to 60 DEG C for 60 to 120 minutes; steaming or boiling; performing enzyme solution soaking, namely adding 0.2 to 0.5g of protease or cellulose into each 100g of rice, and soaking at normal temperature for 10 to 30 minutes in water; dispersing; drying, namely drying for 5 to 15 minutes by using microwaves with the power of 600 to 800W, and drying for 30 to 60 minutes by using hot air at the temperature of 70 to 90 DEG C; sterilizing; and packaging. Compared with a general method for producing the dehydrated rice, the method for making the dehydrated rice has the advantages that particularly, modes such as sugar permeability treatment, enzyme solution soaking, composite drying dehydration and the like are adopted for treatment, so that the reconstituability and mouthfeel of the product are effectively improved.

The invention discloses an isosorbide preparation method. The method comprises the following steps: 1) adding a phosphorus modified HZSM-5 molecular sieve into a sorbitol solution, and carrying out adehydration reaction to obtain a solid-liquid mixture; 2) filtering the solid-liquid mixture so as to obtain the filtrate; 3) performing actived carbon decoloration on the filtrate, and filtering again so as to obtain the filtrate; 4) performing ion exchange on the filtrate by virtue of D301 anion resins, 001*7 cation resins and D301 anion resins respectively so as to obtain ion exchange liquid; 5) concentrating the ion exchange liquid into Brix being 75-90%, and performing primary cooling crystallization; and centrifuging to obtain a crude isosorbide crystal; and 6) adding water into the crude isosorbide crystal, heating and dissolving to enable the Brix to be 70-85%, performing secondary cooling crystallization, centrifuging and drying, thereby obtaining the product isosorbide crystal. Compared with the prior art, the method disclosed by the invention has the advantages that the isosorbide produced by the method is high in yield, the number of by-products is few and the stability ishigh, so that the isosorbide preparation process is simplified, and the cost is reduced.

Disclosed herein is an aqueous coating material comprising (A) at least one polyurethane which is ionically stabilized, nonionically stabilized, or a combination thereof, and which is saturated, unsaturated, grafted with olefinically unsaturated compounds, or a combination thereof, (B) at least one wetting agent or dispersant; and (C) at least one organic solvent selected from the group consisting of dimethyl sulfoxide, sulfolane, 2-methyl-1-butanol, 3-methyl-1-butanol, 2-methyl-1-pentanol, hexyl glycol, 1,6-hexanediol, diethylene glycol, triethylene glycol, glycerol, solutions of trimethylolpropane, solutions of pentaerythritol, solutions of sorbitol, reactive polyether polyols with a number-average molecular weight of 110 to 6000 daltons and a hydroxyl number of 25 to 1000 mg KOH / g, propylene glycol monobutyl ether, dipropylene glycol dimethyl ether, glycerol ethoxylate, ethyl 3-ethoxypropionate, gamma-butyrolactone, N-(2-hydroxyethyl)piperidine, N-methylmorpholine, N-(2-hydroxyethyl)morpholine, N-acetylmorpholine, N-cyclohexylpyrrolidone, N-octyl-2-pyrrolidone, and a combination thereof. Also disclosed is a process for preparing the foregoing aqueous coating material.

The invention provides a nutrient cake and a making method thereof. The nutrient cake is prepared from, by mass, 100-120 parts of egg liquid, 60-80 parts of white granulated sugar, 50-70 parts of low-gluten flour, 45-55 parts of edible oil, 25-35 parts of dried meat floss, 10-15 parts of yolk powder, 8-12 parts of honey, 6-8 parts of d-sorbitol solution, 6-8 parts of trehalose, 5-7 parts of compound baking powder, 5-7 parts of cake emulsifier, 1-2 parts of edible salt, 0.1-0.2 part of potassium sorbate, 0.05-0.1 part of sodium dehydroacetate and 8-10 parts of water. The nutrient cake is prepared through stirring, leavening, filling, capping, baking, decapping, demolding, cooling, sterilization, nitrogen introduction and packaging. The product is golden in color, properly salty and sweet, fine and dense in texture, thick in egg flavor, balanced in nutrition, capable of achieving healthcare including digestion promotion and immunity enhancement, capable of being absorbed by the body easily, and capable of reducing the consumption of preservative and prolonging shelf life.

Disclosed are a liquid type dentifrice composition primarily containing silver particles which is drawn out in foam state when used to brush teeth to prevent the liquid dentifrice from flowing down during tooth-brushing, resulting in effective and convenient tooth-brushing function and exhibit bactericidal action and protect mouth and teeth from periodontal disease and other mouth diseases because of original properties of silver ingredients in the dentifrice composition; and, in addition to, a mousse type dentifrice formulation using the same that improves aesthetic property and product quality thereof. The inventive dentifrice composition primarily containing silver particles useful for mouthwash comprises: at least one surfactant selected from a group consisting of 0.5 to 3% by weight of SQdium lauryl sulfate, 0.05 to 1% by weight of sodium sarcosine laurate, 0.5 to 5% by weight of alkyl polyglucoside and 0.5 to 3% by weight of sucrose fatty acid ester; at least one wetting agent selected from a group consisting of 30 to 80% by weight of sorbitol solution and 0.5 to 5% by weight of glycerine; at least one solubilizing agent selected from a group consisting of 0.1 to 1% by weight of hydrogenated polyoxyethylene caster oil and 0.1 to 1% by weight of polyoxyethylene sorbitan monolaurate effective to solubilize flavor and active ingredients; 0.01 to 10% by weight of silver particles with bactericidal action; and the balance of purified water relative to total weight of the composition. The inventive mousse type dentifrice formulation comprising the above liquid dentifrice composition is prepared by steps of: introducing the dentifrice composition comprising silver particles as essential ingredient into a foam generating receptacle with constant capacity; and drawing the composition in foam form through outlet of the receptacle in order to brush teeth.

A process for converting aqueous sorbitol to xylitol and isosorbide in the presence of an acid catalyst, and in the absence of an enzyme or of a hydrogenating catalyst, is disclosed. In the process, a sorbitol solution is reacted with an acid zeolite to produce xylitol and isosorbide.

The invention discloses a fruit / vegetable cleaning solution, relating to the technical field of daily chemical industry. The fruit / vegetable cleaning solution comprises the following components in percentage by weight: 1-10% of tea bran extracts, 0.01-10% of dry powder of bacterial cells, 20-70% of sorbitol solution, a proper quantity of preservative and the balance of water. The fruit / vegetable cleaning solution has the beneficial effects that the dry powder of the bacterial cells playing a role in degrading pesticides is prepared into the cleaning solution, so that organic phosphate pesticides, organic chlorate pesticides and carbamate pesticides on fruits and vegetables can be degraded, and furthermore the aim of effectively removing residual pesticides is achieved.

The preparing method of emulsifier Span-80 for emulsion explosive comprises the following steps: 1, heating the sorbitol solution to remove the free water to produce sorbitol; 2, reacting sorbitol with the catalyst to produce sorbitan; 3, refining oleic acid to produce essential oil; 4, putting the oleic acid and sorbitan anhydride into the reaction kettle, with 3 hours of esterification reaction at the temperature of 210 - 220 oC ; 5, materials from the above-mentioned reaction is conducted the vacuum dehydration and esterification to obtain the crude product; 6, the crude product is cooled and precipitated, and the sediment is released after the completion of the precipitation, and the remainder is the product of the emulsifier Span-80. Advantages of the invention:through the long-term production practice and the study,it's found that changing the molar ratio of acid to alcohol feedstock could reduce the input of raw materials, reduce the amount of sorbitol residue, increase the amount of product produced and improve the product production rate.

The invention provides a moringa freckle-removing and whitening face cream and a preparation method thereof. The moringa freckle-removing and whitening face cream is prepared from the following components in parts by weight: 1-10 parts of a moringa total flavonoid extract, 0.05-1 part of litsea cubeba oil, 0.1-2 parts of olive oil and 1-5 parts of rose essential oil. The moringa freckle-removing and whitening face cream is prepared through the method which comprises the following steps that carbomer, glycerin and water are placed in a container to be shaken and fully mixed, then the mixture isheated to be swelled and is placed overnight, then Tween 80 is added, stirring is carried out until the Tween 80 is uniformly dispersed, then a 70% sorbitol solution, water, the moringa total flavonoid extract, poloxamer, ethylparaben and the litsea cubeba oil, the olive oil, the rose essential oil and triethanolamine are added sequentially, finally the pH value is adjusted to be 6.0, stirring iscarried out until gel is formed so as to obtain the moringa total flavonoid face cream. The moringa freckle-removing and whitening face cream has the advantages that the cosmetic raw material price is low, materials are convenient to drawn, the face cream is free of irritation to skin, various active substances synergistically act on the skin, and the freckle-removing effect of the face cream isbetter than the freckle-removing effect of common cosmetics.

A process is disclosed for making dehydration products from an aqueous sugars solution including pentoses, hexoses or both, for example, an aqueous high fructose corn syrup solution, or from an aqueous solution of one or more of the alcohols of such pentoses and hexoses, for example, from an aqueous sorbitol solution, by an acid-catalyzed dehydration using substituted sulfonic acids solubilized in the aqueous sugars or sugar alcohols solution.

The invention provides air clay and a preparation method thereof. The air clay is prepared from quartz micro-powder, pharmaceutical grade shell powder, polyoxyethylene, alpha olefin sodium sulfonate, glycerol and sorbitol. The preparation method comprises the following steps of: (1) adding the quartz micro-powder which is used as a main body, the pharmaceutical grade shell powder which is used as a molecular structure connecting carrier, and the alpha olefin sulfonate which is used as a reaction element into a reaction kettle; (2) raising the temperature to ensure that the quartz micro-powder fully react with the shell powder to achieve a fermentation effect; (3) when the temperature is up to 85 DEG C, stopping heating, adding the polyoxyethylene and continuously mixing; (4) pouring a product out of the reaction kettle, moving the product to a U-shaped mixer, adding a 70-percent of the sorbitol solution, stirring and mixing, wherein the rotating speed of the mixer is 15rpm; (5) lowering the temperature to be 60 DEG C, adding the glycerol, and adjusting the rotating speed of the mixer to be 10rpm; (6) observing a flocculent drawing state of the product and pouring the product out after the product is agglomerated. The usability of the air clay is the same as that of plasticine, the shaping function of the air clay is superior to that of the plasticine, the fermenting and drawing functions are provided, and the air clay can be modeled and played repeatedly and randomly.

The invention provides a formula of a cigarette cartridge. According to the formula, the cigarette cartridge is prepared from tobacco leaf extract, tobacco essence, a tobacco flavor, a tobacco juice solvent and deionized water, specifically, the cigarette cartridge is prepared from the following ingredients in percentage by mass: 6%-15% of the tobacco leaf extract, 8%-22% of the tobacco essence, 4%-10% of the tobacco flavor, 30%-45% of the tobacco juice solvent, and 12%-22% of the deionized water, wherein the tobacco juice solvent is prepared from the following ingredients: propylene glycol, glycerol, 1,3-butanediol, sorbitol solution and xylitol solution, specifically, the tobacco juice solvent is prepared from the following ingredients in percentage by mass: 20%-60% of propylene glycol,30%-50% of glycerol, 10%-30% of 1,3-butanediol, 1%-10% of sorbitol solution, and 1%-10% of xylitol solution. For the formula of the cigarette cartridge, improvement is carried out on the formula of the traditional cigarette cartridge, through the use of the tobacco essence and the tobacco flavor, the irritation generated when tobacco juice is smoked later is reduced, the tobacco juice solvent in the cigarette cartridge is improved, then the smoke concentration and mouth filling sense of the electronic cigarette are effectively improved, and thus the smoking of most smokers can be well satisfied.

An aqueous syrup for use in chewing gum, particularly pellet gum, comprises, on a dry basis, greater than about 98% polyols, of which i) about 50% to about 90% is sorbitol, ii) about 3% to about 30% is maltitol, iii) about 2% to about 20% are polyols, other than sorbitol and maltitol, with a degree of polymerization (DP) of 1 or 2, and iv) less than about 20% (and perhaps less than about 12%) are polyols with a DP of 3 or greater. The syrup is made with less than about 1.0% plasticizing agent, such as glycerin or propylene glycol. The syrup contains less than5% water. The syrup can be made by evaporating a mixture of a sorbitol solution, a maltitol syrup and one or more polyols selected from the group consisting of mannitol, xylitol, lactitol, erythritol, hydrogenated isomaltulose, and combinations thereof. Methods of using the syrup to make chewing gum, and chewing gum products containing the syrup are also provided.

The invention discloses a method for improving fermentation production efficiency of 2-keto-L-gulonic acid. The method comprises the following steps: inoculating a well cultured mixed bacterial liquid of ketogulonigenium vulgare and bacillus megaterium into a fermentation culture medium containing 2% of sorbitol, 1.1% of corn steep liquor, 0.2% of urea, 0.02% of magnesium sulfate and 0.05% of potassium dihydrogen phosphate, stirring the fermentation culture medium in a fermentation container at the rotational speed of 400rpm, enabling the ventilation ratio to be 1: 1, enabling the initial pH value of the culture medium to be 6.7, starting to perform flow feeding of a sorbitol solution with the concentration of 25% after 10h of the culture, and controlling the final total polysaccharide concentration of fermentation to be 10%; and regulating the pH value to 4.5-5.0 by using 50% of phosphoric acid solution, then continuously controlling the fermentation pH value to 6.7-7.3 by using 25% of sodium carbonate solution and adding casein tryptone. According to the method disclosed by the invention, the biological synthesis rate of the 2-KLG (2-keto-L-gulonic acid) by a mixed bacterial system is effectively improved, and the purpose of improving the fermentation production efficiency is achieved.

Disclosed are a liquid type dentifrice composition primarily containing silver particles which is drawn out in foam state when used to brush teeth to prevent the liquid dentifrice from flowing down during tooth-brushing, resulting in effective and convenient tooth-brushing function and exhibit bactericidal action and protect mouth and teeth from periodontal disease and other mouth diseases because of original properties of silver ingredients in the dentifrice composition; and, in addition to, a mousse type dentifrice formulation using the same that improves aesthetic property and product quality thereof. The inventive dentifrice composition primarily containing silver particles useful for mouthwash comprises: at least one surfactant selected from a group consisting of 0.5 to 3% by weight of SQdium lauryl sulfate, 0.05 to 1% by weight of sodium sarcosine laurate, 0.5 to 5% by weight of alkyl polyglucoside and 0.5 to 3% by weight of sucrose fatty acid ester; at least one wetting agent selected from a group consisting of 30 to 80% by weight of sorbitol solution and 0.5 to 5% by weight of glycerine; at least one solubilizing agent selected from a group consisting of 0.1 to 1% by weight of hydrogenated polyoxyethylene caster oil and 0.1 to 1% by weight of polyoxyethylene sorbitan monolaurate effective to solubilize flavor and active ingredients; 0.01 to 10% by weight of silver particles with bactericidal action; and the balance of purified water relative to total weight of the composition. The inventive mousse type dentifrice formulation comprising the above liquid dentifrice composition is prepared by steps of: introducing the dentifrice composition comprising silver particles as essential ingredient into a foam generating receptacle with constant capacity; and drawing the composition in foam form through outlet of the receptacle in order to brush teeth.

The invention provides natural skin whitening and tendering mask. A formula of the natural skin whitening and tendering mask comprises raw materials by weight as follows: 2.5 parts of polyethylene glycol, 0.3 parts of sodium alginate, 2 parts of zinc oxide, 0.3 parts of kaolin, 3 parts of glycerin, 3 parts of olive oil, 4 parts of honey, 2.5 parts of a common bletilla pseudobulb extract, 2 parts of a lemon extract, 2.5 parts of a coix seed extract, 2.5 parts of aloe gel, 2.5 parts of a sorbitol solution, 2.5 parts of ethyl p-hydroxybenzoate, an appropriate amount of ethyl alcohol, an appropriate amount of rose essence and the balance of distilled water. The dosage of the raw materials has a synergistic effect with the physicochemical property, so that the natural skin whitening and tendering mask has the functions of naturalness, easiness in absorption, spot reduction and skin whitening. The PH value of the mask is close to that of human skin, and the mask is free of irritation on skin; a user using the mask feels comfortable and soft remarkably and does not feel oily, and the natural skin whitening and tendering mask has obvious functions of whitening and smoothing skin, reducing spots and maintaining beauty.

The invention discloses a water soluble organic auxiliary heat stabilizer which is characterized in that a mercapto alcohol and a metal zinc oxide are used for synthesis to generate an organic metal complex as the stabilizer; the specific reaction steps are as follows: taking equivalent mercapto alcohol and zinc oxide into reaction at a temperature ranging from 60 to 120 DEG C for 120 minutes, washing by using a 5wt% sorbitol solution when the reactants are colorless and transparent, and filtering to obtain the organic metal complex as the stabilizer. The organic metal complex provided by the invention can be directly used as a PVC (Poly Vinyl Chloride) processing heat stabilizer, and meanwhile as an auxiliary heat stabilizer to improve the primary stability in the PVC processing course, and therefore, the later-stage operation limitation of the mainstream technology is improved and the production efficiency and use efficiency are greatly improved.