550 results about "Erythritol" patented technology

The invention discloses a citron and cichorium intybus composite solid beverage, and relates to the technical field of solid beverages, and the solid beverage comprises the following components: 20-30 parts of a citron extract, 50-70 parts of a cichorium intybus extract, 5-10 parts of erythritol, 1-2 parts of vitamin C, 1-2 parts of probiotic powder, 1-2 parts of citric acid, and 1-2 parts of ginger powder. According to the citron and cichorium intybus composite solid beverage, the cichorium intybus extract in the citron and cichorium intybus composite solid beverage is rich in dietary fibers and can help to improve intestinal health and promote digestion, citron and cichorium intybus contain rich antioxidant components and are beneficial to neutralizing free radicals and slowing down the aging process, and the components in the beverage can help to improve energy and promote digestion. The physical and mental states are improved.

The invention discloses a silicon dioxide reinforced high-hydrophobicity polyvinylidene fluoride membrane as well as a preparation method and application thereof, SiO2 nanoparticles are taken as a mechanical reinforcing agent and a structure regulator and are directly added into a membrane casting solution system, and solid-liquid phase separation is preliminarily induced on the surface of a primary membrane in combination with non-solvent spraying ethanol, so that the high-hydrophobicity PVDF membrane is successfully prepared. A unique multi-stage micro-nano structure consisting of mutually connected spherocrystals is constructed on the surface of the membrane, the hydrophobicity, aperture, porosity and mechanical property of the membrane are effectively improved, and the membrane shows excellent and stable separation performance in performance tests of seawater desalination and erythritol concentration, and has good application prospects in seawater desalination and erythritol concentration. The method shows huge application potential in the fields of wastewater treatment, food production and the like.

The invention belongs to the technical field of medicines and health-care products, and particularly relates to compound prebiotics with an intestinal tract improving function as well as a preparation method and application of the compound prebiotics. The compound prebiotics with the function of improving the intestinal tract, disclosed by the invention, are prepared from the following components in parts by mass: 2 to 5 parts of polydextrose, 1 to 2 parts of erythritol, 8 to 10 parts of oat beta-glucan, 4 to 6 parts of stachyose, 12 to 15 parts of beta-galactomannan oligosaccharide, 20 to 30 parts of isomaltooligosacharide and 2 to 4 parts of a multifunctional additive. The multifunctional additive comprises fructo-oligosaccharide, red wine polyphenol and fatty acid. The compound prebiotics provided by the invention not only can promote the growth and reproduction of probiotics, improve the micro-ecological balance in intestinal tracts, improve the immunity of the intestinal tracts and improve the functions of the intestinal tracts, but also can prevent diarrhea.

The additive 50 is used alone as a tablet or capsule, or together with a base product 54, to produce an enhancing product 52 that provides a health benefit 34 to a person 20 ingesting or using the additive 50, the additive 50 including an enzyme that stimulates the naturally occurring in the human body. The additive 50 has one or more hydrogenated substances 58, such as erythritol 58a, xylitol 58b, hydrogenated dihydromyricetin 58c and / or quercetin dihydrate 58d, and a flavonoid dihydromyricetin 14a. The flavonoid 14 may be extracted from Ampelopsis grossedentata plant 17 and / or a plant 16 selected from the genus Hovenia (e.g., Japanese raisin tree). The additive may also have one or more solvents 60, such as a bicarbonate compound 60a or an alcohol solvent 60b, a pH balanced acid 62, and / or a preservative 64. The base product 54 may be a liquid 66, a solid 68, a powder 70, a chew 72, a medicament 74, a cosmetic 76, or an emulsion or other coating product 78. The reinforced product 52 is a base product 54 reinforced by an additive.

The invention relates to natural plant hair dye, which comprises a bean extract, a lucid ganoderma extract, an astragalus extract, a polygonum multiflorum extract, vegetable fat, erythritol, L-proline, ferulic acid and gamma-aminobutyric acid, does not contain phenylenediamine, resorcinol, ammonium hydroxide, a vaccinium bracteatum thunb leaf extract and other components at all, and does not need to additionally add a thickening agent, a care agent and an alkalizing agent. The hair dye is good in hair dyeing effect, safe, reliable and non-irritant.

The invention discloses a flash release powder composition as well as a preparation method and application thereof. The flash release powder composition comprises erythritol, xylitol, fructo-oligosaccharide, a cooling agent and silicon dioxide, wherein in the flash release powder composition, the erythritol accounts for more than 80% by mass, the xylitol accounts for less than 1.5% by mass, the fructo-oligosaccharide accounts for 5%-15% by mass, the cooling agent accounts for 0.01%-3.0% by mass, and the silicon dioxide accounts for 0.5%-2.0% by mass; the flash release powder composition is prepared in a wet granulation mode, and in the wet granulation process, the cooling agent, ethyl alcohol and water are mixed to prepare granulation liquid, and the granulation liquid is sprayed into a mixed material of other raw materials; the quick-release powder composition can improve the aspects of choking powder, quick-release taste and granulation fluidity, and can be used for preparing multifunctional food, so that the prepared food can bring better consumption experience to consumers.

The invention discloses a sugar-free electrolyte beverage and a preparation method thereof, and relates to the technical field of functional beverages. The sugar-free electrolyte beverage comprises the following components in parts by weight: 80-90 parts of erythritol, 0.5-2 parts of an electrolyte component, 0.4-0.8 part of a buffer agent, 0.1-0.2 part of vitamin B6, 0.1-0.5 part of taurine, 1-3 parts of an auxiliary agent and 1000-1200 parts of water, the electrolyte component comprises at least four of edible salt, potassium chloride, magnesium sulfate, calcium lactate and calcium citrate, the buffer agent comprises potassium dihydrogen phosphate and sodium citrate, and the auxiliary agent comprises sodium dihydrogen phosphate and sodium citrate. The auxiliaries comprise citric acid, sodium benzoate and essence. The sugar-free electrolyte beverage disclosed by the invention is high in blood osmotic pressure recovery speed, does not cause blood sugar fluctuation when supplementing electrolyte for a human body, and tastes fresh and cool.

The invention relates to the technical field of electrolyte, in particular to electrolyte, a battery, a battery pack and electric equipment. The electrolyte comprises an additive, the additive comprises a first film-forming agent, and the first film-forming agent comprises erythritol disulfate and a compound as shown in the following formula (1), wherein R1 to R3 are independently selected from at least one of H and substituted or unsubstituted C1-C30 alkyl groups, and R4 to R6 are independently selected from at least one of H and F and have at least one F. The electrolyte is beneficial to formation of a more stable SEI film, thereby being beneficial to improvement of the cycle performance of the battery.

The invention discloses a preparation method of a high-curability environment-friendly dust suppression material, which is characterized by comprising the following steps: (1) weighing locust bean gum, putting the locust bean gum into a container, adding water, uniformly stirring, adjusting the pH value to 2-3 by using hydrochloric acid, adding sodium hypochlorite, heating to 50-60 DEG C, and reacting for 1-2 hours to obtain a mixed solution I; (2) adding waterborne polyurethane into the mixed solution I, heating to 60-80 DEG C, reacting for 1-1.5 hours to obtain a mixed solution II, adding erythritol, and sufficiently and uniformly mixing to obtain a mixed solution III; and (3) cooling the mixed solution III to room temperature, adjusting the pH value of the solution to be neutral, and adding a surfactant into the mixed solution III to obtain the dust suppressant solution. The mechanical property of the dust suppressant is improved, the evaporation rate of water can be reduced, a cured layer is prevented from cracking, the lasting time of the dust suppression effect is prolonged, and the need of repeatedly applying the dust suppressant is reduced.

The invention belongs to the technical field of flame retardance and antibiosis, and particularly relates to a flame-retardant and antibiosis composition for bamboos, flame-retardant and antibiosis bamboos, a preparation method and application, the flame-retardant and antibiosis composition for bamboos comprises the following components by weight: 5-8% of ammonium phosphate, 5-8% of nucleoside phosphate, 3-5% of phytic acid or phytate, 3-6% of urea, 1-3% of amino acid, and 8-12% of a hydroxyl-containing material; and the balance of water. The hydroxyl-containing material is one or more of soluble nano cellulose, a Tris reagent, sorbitol and erythritol; on the basis of keeping the original color of the bamboo, the flame-retardant and antibacterial effects of the bamboo are improved.

The invention belongs to the technical field of phase change materials, and particularly relates to an erythritol and fumed silica composite phase change material and a preparation method thereof.The preparation method comprises the following process steps that fumed silica and erythritol are mixed according to the mass ratio of 10: 90-30: 70, and a mixture is obtained; heating the mixture at 130-160 DEG C for 2-4 hours, and stirring for 5 minutes every 30 minutes in the heating process; the heated mixture is subjected to dipping treatment under the vacuum condition, and composite phase change material powder is obtained; the composite phase-change material powder is subjected to compression molding under the pressure of 3-5 MPa, the pressure is maintained for 3-7 minutes, and the erythritol fumed silica low-heat-conductivity shaped composite phase-change material is obtained, the problem of phase-change material leakage is solved, the packaging cost is reduced, meanwhile, the heat conductivity of the phase-change material can be reduced, the phase-change material has the heat insulation and heat storage capacity, and the thermal conductivity of the phase-change material is improved. The application in the field of thermal protection is facilitated.

The invention discloses a method for preparing erythritol bicyclic ethylene sulfate through efficient catalysis, which comprises the following steps: reprocessing a commercially available titanium silicalite molecular sieve, and reacting intermediate erythritol bicyclic ethylene sulfite (BES) and hydrogen peroxide under the action of a self-made catalyst to obtain the target product erythritol bicyclic ethylene sulfate (BDTD), the yield is 88%; and the obtained product is recrystallized to obtain the product with the purity of more than 99.5%, and the solvent and the catalyst used in the process can be recycled. The raw materials and auxiliary materials are commercially available, low in price and easy to obtain, the reaction yield is high, the product purity is high, the process cost is low, and the method is environmentally friendly, suitable for industrialization and extremely high in social use value and application prospect.

The present invention relates to the technical field of skin care products, and specifically discloses a soothing smoothie cream containing Centella asiatica extract and a preparation method thereof. The soothing smoothie cream containing Centella asiatica extract includes phase A, phase B, phase C, and phase D, wherein phase A is a compound of solvent, glycerol, butylene glycol, erythritol, allantoin, sodium carbomer, p-hydroxyacetophenone, polypropylene (ester) class / C10-20 alkyl acrylate cross-linked polymer; phase B is a compound of hydrogenated polyisobutene, caprylic / capric triglyceride, and polyglycerol-3 methyl glucose distearate; phase C is arginine; phase D is a compound of 1,2 hexanediol, dipotassium glycyrrhizate, saccharide isomers, Centella asiatica extract, white iris root extract, centella roxburghii extract, and white oak bark extract. The present invention has the advantage of further improving the soothing effect of skin care products.

A method for improving gut microbiota population in a subject by administering a composition comprising allulose, erythritol or a combination thereof. A method for increasing one or more colonic bacterial populations from the families Lachnospiraceae or Eubacteriaceae by administering a composition comprising allulose, erythritol or a combination thereof. A method for preventing, treating or ameliorating a disease in a subject by administering a composition comprising allulose, erythritol or a combination thereof. The disease may be one or more of metabolic syndrome, obesity, type 2 diabetes, insulin resistance, hyperlipoproteinemia, hyperuricemia, hepatic steatosis, hypercholesterolemia, hypertriglyceridemia, irritable bowel syndrome (IBS), colon cancer, allergy, non-alcoholic fatty liver disease, inflammatory bowel disease, cardiovascular disease, or inflammation. The bacterial population may be the species Anaerostipes hadrus, Blautia obeum, Anaerobutyricum hallii, Eubacterium rectale (Agathobacter rectalis), Eubacterium callanderi, Eubacterium limosum and Eubacterium maltosivorans. A composition comprising allulose, erythritol or a combination thereof and one or more colonic bacterial populations from the families Lachnospiraceae or Eubacteriaceae is also provided. The composition may in the form of a food composition.

The invention relates to the technical field of organic synthesis, in particular to a preparation method of erythritol sulfate. The preparation method of erythritol sulfate provided by the invention comprises the following two key steps: firstly, carrying out chlorination reaction on ethylene sulfate and chlorine under the catalysis of ultraviolet light to generate chloroethylene sulfate, and then carrying out dechlorination coupling reaction on the chloroethylene sulfate under the action of metal powder such as copper powder, zinc powder, iron powder and magnesium powder to obtain the erythritol sulfate. And the erythritol sulfate is prepared. Compared with the prior art, the novel method for preparing erythritol sulfate provided by the invention has the advantages that the use of sodium hypochlorite is avoided, and the generation of wastewater is reduced; moreover, the method provided by the invention has the advantages of mild reaction conditions, easily available raw materials and high reaction selectivity, the generation of byproducts can be effectively controlled in the reaction process, and the production efficiency and the product purity of the erythritol sulfate are remarkably improved.

The invention discloses a preparation method of citron fermented preserved fruit, and relates to the technical field of preserved fruit processing, the method comprises the following steps: washing citron, separating citron peel from citron pulp, carrying out fixation on the citron peel, and removing seeds and fixation on the citron pulp; mixing the folium eriobotryae, the citron peel, the white chrysanthemum, the Tibetan fritillary bulb and the mint in proportion, boiling in water, and filtering to obtain liquid medicine; uniformly mixing erythritol, stevioside, starch syrup and the liquid medicine in proportion to obtain a first composite sugar solution, and adding the first composite sugar solution and a complex microbial inoculant into the citron pulp subjected to fixation and seed removal to obtain primary fermented citron pulp; and uniformly mixing hyaluronic acid, starch syrup, konjac glucomannan and water in proportion to obtain a second composite sugar solution, immersing the primarily fermented citron pulp into the second composite sugar solution for secondary fermentation, and drying to obtain the citron preserved fruit. On the basis, the taste of the preserved fruit can be improved, the sand return phenomenon can be effectively inhibited, and the high-quality preserved fruit with a nutritional function and a stable texture is obtained.

The invention relates to the technical field of genetic engineering, in particular to application of a knockout Fum gene in increasing the yield of erythritol of a strain. The invention provides application of knockout of a Fum gene in a strain in increasing the erythritol yield of the strain, the amino acid sequence of protein coded by the Fum gene is shown as SEQ ID NO: 1, and the strain comprises yarrowia lipolytica. A Fum gene for coding fumarase in a yarrowia lipolytica genome is knocked out by utilizing a CRISPR (clustered regularly interspaced short palindromic repeats) technology, a recombinant yarrowia lipolytica CICC1457-delta Fum with obviously improved erythritol yield is obtained, the erythritol yield is improved by 75.7% and reaches 4.71 g / L compared with that of the original yarrowia lipolytica CICC1457, and in the fermentation culture process, the yield is increased by 75.7% and reaches 4.71 g / L; the thallus growth speed and thallus biomass are not obviously different from those of an original strain.

The invention discloses a method for co-producing erythritol from trehalose mother liquor and sodium gluconate mother liquor. Belongs to the technical field of erythritol production. The invention discloses and provides a method for co-producing erythritol from trehalose mother liquor and sodium gluconate mother liquor, which comprises the following steps: adding the trehalose mother liquor and the sodium gluconate mother liquor into a fermentation culture medium, fermenting by using candida lipolytica, enabling the conversion rate of the fermented erythritol to be 70%, and simultaneously filtering by using different nanofiltration membranes, according to the method, the erythritol finished product is obtained, the trehalose and sodium gluconate mixed solution is also obtained, and the trehalose and sodium gluconate mixed solution can be added into fermentation liquor again after being dissolved, so that cyclic utilization is realized; the production efficiency is improved, and the cost is saved.

The invention provides a water-soluble fertilizer containing rare earth and a preparation method thereof. The water-soluble fertilizer is prepared from the following raw materials in parts by weight: 30 to 40 parts of nitrogen phosphorus and potassium components, 10 to 15 parts of calcium magnesium components, 3 to 5 parts of mineral element components, 0.5 to 1.0 part of nickel cobalt selenium components, 10 to 15 parts of humic acid, 5 to 10 parts of sodium alginate, 5 to 10 parts of fish protein, 3 to 5 parts of pyroligneous liquor, 2 to 4 parts of chelating agents and 0.5 to 1.0 part of rare earth. Wherein the nitrogen-phosphorus-potassium component is prepared by mixing urea, monoammonium phosphate, diammonium phosphate and potassium nitrate according to the mass ratio of (2-3): (1-2): (1-2): (2-3), the anti-caking agent is prepared from starch phosphate, microcrystalline cellulose and nano clay according to the mass ratio of (2.0-4.0): (1.5-3.5): (1.0-2.0), and the chelating agent is prepared from ethylenediamine tetraacetic acid, erythritol, glycine, salicylic acid or derivatives thereof according to the mass ratio of (4-6): (2-3): (1-2): (0.1-0.6). The complex multi-element ligand system is formed by combined use of ethylenediamine tetraacetic acid, erythritol, glycine, salicylic acid or derivatives thereof. Through the synergistic effect of a multi-element ligand system, rare earth ions are more effectively stabilized, and more stable chelated rare earth is formed, so that the solubility of the chelated rare earth in water is improved.

The invention belongs to the technical field of genetic engineering, and particularly relates to application of a Fads gene in regulating and controlling the yield of erythritol produced by fermenting yarrowia lipolytica. The amino acid sequence of the protein coded by the Fads gene is as shown in SEQ ID NO.1, and the yield of the erythritol in the yeast can be remarkably increased by knocking out or knocking down the Fads gene. The result of the embodiment shows that compared with the original strain CICC1457, the growth speed of the Yarrowia lipolytica engineering strain 1k-CICC1457 with the Fads gene knocked out, which is constructed by the invention, is not changed; in addition, the total erythritol yield of the Yarrowia lipolytica engineering strain 1k-CICC1457 strain is obviously increased, and is increased by 1.67 times compared with that of the original strain.

To provide a topical composition with excellent adhesiveness to the skin.SOLUTION: A topical composition according to the present invention comprises (A) at least one polyhydric alcohol having a molecular weight of 100 to 200, and (B) at least one non-polymerizable cationic compound. The component (B) may be a compound containing a metal to be a divalent or higher cation in an aqueous solution, a basic amino acid, alkanol amine, or alkyl amine, and the component (A) may be glucose, sorbitol, fructose, xylitol, or erythritol.SELECTED DRAWING: None

The invention provides a probiotic composition for inhibiting helicobacter pylori as well as a probiotic agent and application thereof, and belongs to the technical field of probiotic functional products. The probiotic composition is prepared from the following components in parts by weight: 0.05 to 2 parts of a pediococcus pentosaceus strain A21358, 0.01 to 1.5 parts of a plant lactobacillus strain A21136, 0.05 to 1.5 parts of a lactobacillus rhamnosus strain A21149 and 0.03 to 1.2 parts of a lactobacillus reuteri strain A21325. The probiotic agent comprises the probiotic composition, resistant dextrin, xylooligosaccharide, erythritol, inulin, fructo-oligosaccharide, hericium erinaceus powder, fucoidin and at least one fruit powder selected from grape powder, passion fruit powder and kiwi fruit powder, wherein the specific weight parts of the resistant dextrin, the xylooligosaccharide, the erythritol, the inulin, the fructo-oligosaccharide, the hericium erinaceus powder, the fucoidin and the at least one fruit powder are selected from grape powder, passion fruit powder and kiwi fruit powder. The probiotic agent has the effect of inhibiting helicobacter pylori, and a new thought is provided for clinical related auxiliary treatment of helicobacter pylori infection.

The invention discloses a composition with effects of losing weight and reducing blood fat. Every 100g of the composition comprises the following components and contents: (1) 10-30mg of adiponectin functional fragments; (2) 5 to 15 mg of PCSK9 inhibitory peptide; (3) 1-5 g of a radix puerariae extract; (4) 1-3 g of garcinia cambogia extract; (5) 0.5-2 g of a green coffee bean extract; (6) 1 to 3g of microencapsulated fish oil; (7) 0.5 to 1g of chitosan; and 5 to 10 g of erythritol. Through the synergistic effect of various bioactive components, the composition can effectively reduce fat accumulation and reduce the blood fat level, and meanwhile has good taste and use convenience. The composition disclosed by the invention provides an innovative solution for losing weight and reducing blood fat, and has potential clinical and commercial application values.

The invention provides flash-soluble direct-drinking fungus powder and a preparation method thereof. The flash-soluble direct-drinking bacterial powder comprises the following components in parts by weight: 65-75 parts of erythritol, 10-16 parts of stachyose, 2-5 parts of L-arabinose, 1-3 parts of mono-and diglycerides of fatty acids, 2-5 parts of resistant dextrin and 2-10 parts of probiotics or metabiotics. By adopting the stachyose and the L-arabinose in parts by weight, the sweetness of the flash-soluble direct-drinking fungus powder is effectively reduced; on the premise of being matched with other components, the oligosaccharide shows the performance completely different from that of conventional oligosaccharide, particularly erythritol, stachyose and L-arabinose can be fully dispersed under the action of mono-and diglycerides of fatty acids, so that the effect advantages of the oligosaccharide can be better played, and the flash-soluble direct-drinking fungus powder can keep the flash-soluble characteristic and can be used for preparing the instant instant fungus powder. The oral liquid is quick to melt in the oral cavity, easy to swallow, strong in impact feeling and cool feeling, weak in mouth choking degree and mouth stickiness, weak in granularity, and weak in oral cavity covering feeling and oral cavity drying feeling of whole residues after swallowing.

The invention relates to the technical field of beverage processing, in particular to a poplar branch sweet dew beverage which comprises the following components in percentage by mass: 30-35% of mango pulp, 15-18% of coconut milk, 8-10% of sago, 3-5% of grapefruit pulp granules, 0.05-0.08% of a compound stabilizer, 4-6% of erythritol and 0.01% of calcium lactate. Wherein the compound stabilizer is composed of high-acyl gellan gum and low-ester pectin according to the mass ratio of 3: 1, and the mango pulp contains 20% of diced mangoes with the particle size of 3-5 mm < 3 >; the particle size of the grapefruit pulp particles is 1-2 mm. According to the method, the static limitation of the traditional Stokes law is broken through, the sedimentation velocity prediction error is compressed from + / -25% to + / -8% through the dynamic equivalent radius, the temperature-shear coupling function and the network inhibition factor, and a precise regulation and control tool is provided for development of high-stability pulp beverages.

The invention discloses a hawthorn, hippophae rhamnoides fruit and red date compound beverage with an anti-caries function and a preparation method thereof, and relates to the technical field of compound beverages. The preparation method comprises the following steps: crushing dried hawthorn for later use without specific particle size limitation so as to meet the contact requirement of subsequent extraction), sea-buckthorn primary pulp (without additional pretreatment requirement so as to ensure no spoilage) and red date primary pulp (with the quality requirement of the sea-buckthorn primary pulp); the specifications of the auxiliary materials and the solvent are as follows: stevioside (food grade, the purity meets the industrial standard), erythritol (food grade, white crystalline), distilled water (meeting the standard of pure water for food processing) and absolute ethyl alcohol (analytically pure and used for polysaccharide alcohol precipitation); according to the process, ultrasonic-assisted heat extraction, alcohol precipitation and freeze drying are taken as a core process, and the polysaccharide extraction rate of more than or equal to 15.5% is realized by optimizing extraction parameters.

The invention relates to the technical field of beverages, and particularly discloses a high-protein beverage containing psicose and a preparation method of the high-protein beverage. The high-protein beverage containing psicose is prepared from the following raw materials in percentage by mass: 13 to 17 percent of supplementary protein, 4 to 5 percent of an emulsifier, 3.10 to 3.14 percent of a flavoring agent, 0.02 to 0.06 percent of a thickening agent, 0.005 to 0.015 percent of a stabilizer, 0.008 to 0.01 percent of a coloring agent, 0.04 to 0.08 percent of an enzyme preparation and the balance of water, the flavoring agent is prepared from D-psicose, erythritol, sucralose and stevioside. The D-psicose in the flavoring agent is extremely low in calorie, does not cause increase of blood sugar and insulin, and has a unique taste, and the erythritol, the sucralose and the stevioside are matched, so that the taste of sucrose is reduced on the premise of low calorie, and the problem of bitter taste of a sugar substitute beverage is solved, so that the flavor of the protein beverage is improved.

The invention discloses an erythritol reductase mutant and application thereof, and belongs to the technical field of variation or genetic engineering. In particular discloses an erythritol reductase mutant with at least one of the following mutations relative to an amino acid sequence shown as SEQ ID NO: 1: K42R, I49A, I49V, F75S, L107Y, Y125A, Y125L and I296A, and application of the erythritol reductase mutant in increasing the yield of erythritol. The mutant capable of promoting synthesis of erythritol is obtained through three-dimensional modeling and key catalytic pocket searching, and the yield of the erythritol of the yarrowia lipolytica is remarkably increased by using the genetic engineering strain constructed by the mutant and can be increased by 77% to the maximum. The erythritol synthesis capability of the erythritol reductase mutant is greatly improved, the erythritol reductase mutant is more suitable for industrial application, the production cost can be remarkably reduced, and the production efficiency is improved.

This powder material for a cosmetic contains a powder for a cosmetic that has been surface-treated with a surface treatment agent. The surface treatment agent contains: component (a), a mannosyl erythritol lipid represented by formula (1); and component (b), an ester compound of glycerin and a fatty acid having 8-20 carbon atoms. The content of component (a) is 0.5-3 mass%. The content of component (b) is 0.1-10 mass%.

The utility model belongs to the technical field of sugar alcohol production equipment, and particularly relates to a pilot plant test combination device for sugar alcohol production. Comprising a pretreatment unit and a plurality of temporary storage modules, the pretreatment unit is connected with a refining unit through the temporary storage module, the refining unit is connected with a concentration unit through the temporary storage module, the concentration unit is connected with a purification unit or a finished product unit through the temporary storage module, and the purification unit is connected with the temporary storage module; the temporary storage module comprises an intermediate tank, the output end of the intermediate tank is connected with an intermediate pump through a pipeline, the input end of the intermediate tank and the output end of the intermediate pump are both connected with hoses and quick connectors installed on the hoses, and the temporary storage module is connected with all the units through the hoses and the quick connectors. According to the utility model, new raw material selection, new auxiliary material verification, process parameter adjustment, resin type selection and the like in the production process of sugar alcohols such as xylose, xylitol, erythritol, maltose and the like can be verified, and the risk caused by industrial production conversion can be remarkably reduced.