201 results about "Hexanoic acid" patented technology

The invention discloses a biosynthesis system for high-yield 1, 6-hexamethylenediamine and application of the biosynthesis system, and belongs to the technical field of biology. According to the method, key genes which are excavated and optimized in a 1, 6-hexamethylenediamine biosynthetic pathway are co-expressed in a single cell module or a multi-cell module, and different enzyme elements expressed by the cell module are subjected to enzyme cascade reaction, so that 1, 6-hexamethylenediamine can be efficiently synthesized by taking caprolactam or 6-aminocaproic acid as a substrate; furthermore, after the carboxylic acid reductase MaCAR is mutated, the catalytic activity of the carboxylic acid reductase MaCAR can be remarkably improved, and the yield of the 1, 6-hexamethylenediamine is further improved; in addition, the biosynthesis system disclosed by the invention directly takes the cell module as a whole-cell catalyst, and an enzyme purification step is avoided, so that the biosynthesis system has the advantage of low cost.

The application belongs to the technical field of daily chemical industry, and particularly relates to an emulsion and a preparation method thereof. The emulsion provided in the application comprises an emulsifier, glycerol, oil-phase active substance, pentaerythritol tetra(ethylhexanoate) and water; the emulsifier is a lipopeptide; the weight percentage of the lipopeptide and the glycerol is not less than 3%; the weight ratio of the oil-phase active substance and the pentaerythritol tetra(ethylhexanoate) is 1:3-10; the ratio of the sum of the weights of the lipopeptide and the glycerol to the sum of the weights of the oil-phase active substance and the pentaerythritol tetra(ethylhexanoate) is 1:3-10; and the ratio of the sum of the weights of the lipopeptide, the glycerol, the oil-phase active substance and the pentaerythritol tetra(ethylhexanoate) to the weight of the water is 1:1-4. The emulsion is prepared by using sodium bacillomycin, glycerol and pentaerythritol tetra(ethylhexanoate), can effectively inhibit the diffusion of the oil-phase active substance at the interface of the emulsion, reduce the oxidative degradation of the oil-phase active substance, and greatly prolong the effective action time of the oil-phase active substance in the emulsion.

This invention discloses a method for preparing high-quality bio-based 1,9-nonanediol, comprising the following steps: transesterification, precipitation, fatty acid methyl ester refining, ozone oxidation pyrolysis, solvent recovery, esterification, dimethyl azelaate refining, and hydrogenation to obtain high-quality bio-based 1,9-nonanediol. This invention achieves gradient and full-component utilization of vegetable oil raw materials: the oil-based portion of triglycerides is used to produce high-quality bio-based 1,9-nonanediol, while simultaneously producing byproducts such as methyl palmitate, methyl stearate, propionic acid, hexanoic acid, and nonanoic acid; the glycerol-based portion of triglycerides is used as a byproduct of glycerol production. This invention utilizes esterification to reconstruct the products of ozone oxidation pyrolysis, converting the high-boiling-point monomethyl azelaate into the low-boiling-point dimethyl azelaate, achieving efficient separation from saturated fatty acid methyl esters. The dimethyl azelaate, as a raw material, is then hydrogenated to obtain high-quality nonanediol, significantly reducing production costs.

The invention discloses a production method of high-grade flavoring liquor of Luzhou-flavor liquor, and relates to the field of liquor brewing. Aiming at the problems of insufficient substrate conversion, easy unbalance of flavor and easy rancidification of fermentation in the traditional double-round fermentation process, the technical scheme of combining double-round fermentation of 15-20% of fermented grains at the bottom of a cellar, mother grain acidity / starch double-index screening, precise regulation and control of sterile air in three-round fermentation / feeding before entering the cellar, and segmented distillation and graded storage is adopted. The process can improve the fermented grain conversion efficiency and stabilize the acidity of a fermentation system; the content of characteristic flavor substances such as ethyl hexanoate is greatly increased, and the flavor ratio is balanced; the sensory quality of raw wine is improved, and the cellar aroma and the ester aroma are stronger. The technological parameter range is feasible through experimental verification, the technical effect is obviously superior to that of a traditional technology, and the method is suitable for producing high-quality Luzhou-flavor liquor.

The present application relates to the technical field of surface treatment, in particular to a kind of biobased degradable cable material and preparation method thereof.Biobased degradable cable material includes 55-65 parts of poly-L-lactic acid and poly-3-hydroxybutyric acid-3-hydroxyhexanoate mixed matrix resin, 4-6 parts of dianhydride modified castor oil polyol, 10-15 parts of polyaminoval, 5-8 parts of nano enhanced filler, 6-10 parts of biobased plasticizer, 0.5-1.0 parts of antioxidant, 8-12 parts of environmentally friendly flame retardant.Dynamic ester bond crosslinking agent dianhydride modified castor oil polyol reaction forms dynamic ester bond crosslinking network, ester bond breakage occurs at high temperature beyond normal working range to release stress, temperature returns to normal and can recombine again;Semi-interpenetrating network enhanced phase polyaminoval forms interpenetrating structure with matrix resin in molecular chain interlacing mode, constructs stable heat-resistant skeleton, effectively inhibits high-temperature deformation, and its biobased structure ensures the overall degradability of the material, realizes the balance of heat resistance and degradability.

The invention discloses Leishan fish sauce sour essence as well as a preparation method and application thereof. The leishan fish sauce acid essence is prepared from ethyl acetate, absolute ethyl alcohol, ethyl isovalerate, ethyl hexanoate, isoamyl alcohol, furfuryl alcohol, ethyl lactate, ethyl caprylate, acetic acid, diethyl succinate, methyl salicylate, ethyl benzoate, ethyl laurate, hexanoic acid, phenethyl alcohol, 4-methyl guaiacol, ethyl myristate, ethyl palmitate, ethyl oleate, capsicum oleoresin, ethyl phenylacetate and ginger oil. And lactic acid, glycerol triacetate, ocimene, ethyl isovalerate, ethyl butyrate, anethole and phenylacetaldehyde. The Leishan fish sauce sour essence disclosed by the invention is soft and harmonious in overall fragrance, natural and vivid, still has stable flavor characteristics at high temperature, can make up the problem of flavor deficiency in sour soup products, realizes accurate reproduction and controllable release of composite fragrance, improves the standardization level of products, and effectively improves the preference degree of consumers.

The present invention belongs to the technical field of daily chemical industry, and specifically relates to an emulsion and a preparation method thereof. The emulsion provided by the present invention comprises an emulsifier, glycerol, an oil-phase active substance, pentaerythrityl tetra(ethylhexanoate) and water; wherein the emulsifier is a lipopeptide; the weight percentage of the lipopeptide relative to glycerol is not less than 3%; the weight ratio of the oil-phase active substance to pentaerythrityl tetra(ethylhexanoate) is 1:(3 to 13); the ratio of the total weight of the lipopeptide and glycerol to the total weight of the oil-phase active substance and pentaerythrityl tetra(ethylhexanoate) is 1:(3 to 10); and the ratio of the total weight of the lipopeptide, glycerol, oil-phase active substance and pentaerythrityl tetra(ethylhexanoate) to the weight of water is 1:(1 to 4). By compounding sodium surfactin with glycerol and pentaerythrityl tetra(ethylhexanoate), the emulsion can effectively inhibit the diffusion of the oil-phase active substance at an emulsion interface, reduce the oxidative degradation of the oil-phase active substance, and greatly prolong the effective action time of the oil-phase active substance in the emulsion.

The application belongs to the technical field of biological medicine, and particularly relates to a lactobacillus paracasei and application thereof. The lactobacillus paracasei ZY101 is preserved in the China General Microbiological Culture Collection Center, has a preservation number of CGMCC No. 32360, a preservation date of October 25, 2024, and an address of No. 3, Beichen West Road, Chaoyang District, Beijing. Compared with a commercial bacillus acidophilus, the apricot vinegar prepared by using the lactobacillus paracasei ZY101 has new substances including linalool, alpha-farnesene, 2-phenylacetic acid ethyl ester and geranylgeraniol, and further promotes the aroma of the apricot vinegar. Compared with the commercial bacillus acidophilus, the existing substances are obviously improved, and specifically include ethyl acetate, isoamyl acetate, ethyl octanoate, ethyl hexanoate, acetoin, methyl palmitate, gamma-deca-lactone, ethyl dodecanoate, delta-deca-lactone, trans-nerolidol and dihydro-beta-ionone.

This invention relates to the field of ethyl hexanoate processing technology, specifically to an automated continuous esterification equipment and method for natural ethyl hexanoate. It includes a reaction vessel, with a distillation column at the top. A primary condenser is connected to the top of the distillation column. The lower shell-side outlet of the primary condenser is connected to two parallel flow control lines. One flow control line connects to the upper end of the distillation column via a return pipe, and the other flow control line connects to a product recovery tank. The upper shell-side outlet of the primary condenser connects to a secondary condenser, and the shell-side outlet of the secondary condenser connects to a buffer tank, which is connected to a vacuum pump. A gas phase anti-impact structure is provided at the connection between the reaction vessel and the distillation column. This invention effectively improves the conversion rate and esterification quality of the ester through continuous esterification. The gas phase anti-impact structure effectively reduces the direct impact of the gas phase on the distillation column wall, significantly improving the gas phase control effect and the adaptability to the distillation process.

The invention discloses a moisturizing and repairing spray raw material capable of improving a spray effect and a preparation method of the moisturizing and repairing spray raw material. The moisturizing and repairing spray raw material is prepared from the following raw materials: glycerol tri (ethylhexoic acid) ester, glyceryl stearate citrate, stearyl alcohol polyether-21, cetyl alcohol palmitate, allantoin, sodium hyaluronate, panthenol, PCA sodium and water. According to the specific formula, the facial cleanser is prepared from the following raw materials: 58 to 68 percent of glycerol tri (ethylhexoic acid) ester, 13 to 23 percent of glyceryl stearate citrate, 2 to 12 percent of stearyl alcohol polyether-21, 2 to 12 percent of cetyl alcohol palmitate, 0.1 to 0.5 percent of allantoin, 0.01 to 0.2 percent of sodium hyaluronate, 0.01 to 1 percent of panthenol, 0.1 to 1.5 percent of sodium PCA and 1 to 4 percent of water. The light synthetic ester is used as a main body, the water-soluble moisturizing and repairing component is wrapped in the oil-based emulsified particles, the balance of a water phase system of a basic formula is not changed after the water-based emulsified particles are added for spraying, the viscosity fluctuation in winter caused by excessive water phase is avoided, meanwhile, the oil-based particles can carry functional components to be attached to the skin surface and slowly released, and the moisturizing and repairing effect is good. The long-term effect of moisturizing and repairing is improved.

The application provides use of zanamivir in preparation of a medicine for treating or preventing preeclampsia, and a corresponding medicine and treatment method; zanamivir can effectively improve high blood pressure, proteinuria, creatinine, neuraminidase and sialic acid elevation symptoms of preeclampsia, increase NO level, and improve pregnancy outcome. Zanamivir and hydroxyprogesterone caproate in combination show better effects.

The application provides a palladium ion extractant material and a preparation method thereof, and the pyridine-oxadiazole ligand is used as the extractant, most Pd 2+ in the aqueous phase can be extracted into the organic phase in a short time, and has a very high extraction rate; selective extraction separation of Pd 2+ under acidic conditions can be realized, the applicable range of acidity is wide, and excellent extraction capacity is achieved in the range of 0.2-4M nitric acid concentration; the extractant has excellent selectivity to Pd 2+ in the aqueous phase containing various metal ions; the pyridine-oxadiazole extractant has a good application prospect in the separation and recovery of Pd 2+ in high-level radioactive waste; the m-nitro-trifluorotoluene is used as a diluent of the extraction system, has good solubility to the organic ligand and the extractant, and the 2-bromohexanoic acid can increase the lipophilicity of the extractant.

This invention belongs to the field of organic agriculture, specifically a biological agent for promoting wheat photosynthesis and its preparation method. Addressing the problems of existing biological agents having relatively simple components, low absorption and utilization efficiency by wheat ears, and a tendency to reduce nitrate reductase activity, nitrogen utilization, and chlorophyll content in wheat leaves, the following solution is proposed: the biological agent comprises the following raw materials in parts by weight: 50-65 parts of yield-enhancing amine, 15-20 parts of choline chloride, 10-15 parts of diethylaminoethanol hexanoate, 5-10 parts of brassinolide, 3-5 parts of p-chlorophenoxyacetic acid, 1-3 parts of calcium diphenylureasulfonate, 2-5 parts of trace agents, and 2-4 parts of ethylene glycol styraldehyde. The biological agent of this invention can promote better photosynthesis in wheat, enhance nitrate reductase activity, and improve nitrogen utilization.

The presently disclosed subject matter provides an approach to address the needs for microscale control in shaping the spacial geometry and microarchitecture of 3D collagen hydrogels. For example, the disclosed subject matter provides for compositions, methods, and systems employing N-sulfosuccinimidyl-6-(4′-azido-2′-nitro-phenylamino)hexanoate (“sulfo-SANPAH”), to prevent detachment of the hydrogel from the anchoring substrate due to cell-mediated contraction.

Symmetric Star Poly(Substituted Glycolide) Homopolymers and Their Surface Properties The invention include the synthesis, thin film formation, surface properties, and comprehensive analysis of star-shaped well-defined symmetric poly(substituted glycolide) (s-PSG) homopolymers, which are alternatives to polylactides and polyglycolides. Four-armed symmetric poly(L-diisopropyl glycolide) (4s-PLDIPG) and poly(L-diisobutyl glycolide) (4s-PLDIBG) prepared by ring opening polymerization (ROP) under melt conditions with tin (II) 2- ethylhexanoate catalyst and pentaerythritol initiator exhibited high conversions (92-98%) and desirable PDI values (1.23-1.49). The NMR data of all s-PSGs showed that the methylene peaks of pentaerythritol were shifted, proving that polymerization took place in all arms. The molecular weights (Mn NMR, Mw GPC, Mn GPC) of s-PSGs determined by NMR and GPC data were consistent with the theoretical values. By increasing the side chain length of s-PSG homopolymers, there was a consistent increase in the water contact angles and surface roughness values of the thin films, whereas the surface free energy diminished.

The invention discloses silicone-oil-free makeup-keeping liquid foundation and a preparation process thereof. The liquid foundation is prepared from the following raw material components in parts by weight: 1-2% of an emulsifier, 49-56% of an emollient, 3-6% of a film-forming agent and 40-43% of powder, wherein the emollient is prepared from ethylhexyl palmitate, cetyl alcohol ethyl hexanoate, isododecane, isopropyl myristate and squalane; the prepared liquid foundation does not contain silicone oil, is free of physiological toxicity and irritation, good in air permeability and good in skin feeling, the smearing layering sense and continuity of the liquid foundation are improved, and the liquid foundation is easier to use and more comfortable.

The utility model belongs to the technical field of white spirit distillation. According to the continuous distillation equipment capable of directly utilizing the after-run steam disclosed by the utility model, the after-run steam is directly recovered and is recycled after being pressurized and heated, so that dual energy loss in a traditional condensation-re-distillation process is avoided, after-run cooling water does not need to be preset, meanwhile, the heat energy consumption is reduced by 40%, and the production cost is greatly reduced. Ethyl acetate and other heat-sensitive components in the after-run do not need to be subjected to a re-steaming link, flavor loss is reduced, the recovery rate of ethyl acetate in the after-run is increased to 98% from 80%, the content of ethyl hexanoate in high-quality liquor is increased by 15%, and the aroma coordination and quality stability of the liquor are effectively guaranteed. And after-run steam compression and cyclic utilization functions are integrated, a traditional liquid storage tank, a pumping system and re-steaming equipment are omitted, and the equipment investment and maintenance cost are reduced. The condensation liquid of the after-run part and the uncondensed wine steam are uniformly converted into saturated wine steam for recycling through the compression equipment, closed-loop recycling of after-run components is achieved, waste is avoided, and the utilization rate of raw materials is increased.

The invention discloses a weather-resistant polysiloxane silicone rubber glass decorative protective coating and a preparation method thereof, and relates to the technical field of protective coatings. The modified cellulose nanocrystal epoxy polysiloxane coating is prepared from the following raw materials in parts by mass: 83 to 100 parts of epoxy polysiloxane solution, 1.8 to 2.2 parts of cerium 2-ethylhexanoate, 8 to 9.5 parts of AG-80 epoxy resin, 36 to 43 parts of curing agent and 2 to 4 parts of modified cellulose nanocrystal, wherein the modified cellulose nanocrystal is prepared from a cellulose nanocrystal, heptadecafluorodecyl trimethoxysilane and MXene quantum dots. The hard and compact coating formed by mixing the components such as the epoxy polysiloxane solution, the AG-80 epoxy resin and the curing agent effectively improves the hardness and the salt spray resistance; by introducing the modified cellulose nanocrystals and cerium 2-ethylhexanoate, the adhesive force, the protective property and the weather resistance are further improved. Therefore, the method has a wider application prospect.

The invention discloses a method for producing medium-chain fatty acid through a core-shell structure magnetic polymer material reinforced biological carbon chain lengthening reaction, which comprises the following steps: by taking a perishable organic solid waste as a raw material, adding core-shell structure magnetic polypyrrole, adding a culture medium solution containing a substrate, adding a domesticated inoculum, and carrying out a reaction for 2-3 hours; a fermentation system for producing hexanoic acid through biological carbon chain lengthening is constructed for reaction, the reaction temperature is 30-40 DEG C, and the pH value is weak acidity; according to the magnetic polypyrrole with the core-shell structure, ferroferric oxide is used as a core, and polypyrrole is used as a shell; the problems that single magnetic particles are agglomerated, magnetic components are prone to loss, and traditional materials are difficult to recycle and large in adding amount are solved, and the performance stability and the reaction promoting capacity are enhanced by means of the structural advantages of the materials. Meanwhile, the efficiency of the carbon chain lengthening reaction and the yield of medium-chain fatty acid are remarkably improved, and high-valued conversion of the perishable organic solid waste is achieved.

The presently disclosed subject matter provides an approach to address the needs for microscale control in shaping the spacial geometry and microarchitecture of 3D collagen hydrogels. For example, the disclosed subject matter provides for compositions, methods, and systems employing N-sulfosuccinimidyl-6-(4′-azido-2′-nitro-phenylamino)hexanoate (“sulfo-SANPAH”), to prevent detachment of the hydrogel from the anchoring substrate due to cell-mediated contraction.

The invention provides a treatment method of 6-aminocapronitrile synthesis reaction residues from caprolactam, which comprises the following steps: firstly, feeding the 6-aminocapronitrile synthesis reaction residues from caprolactam and fresh water into a stirred tank reactor for primary hydrolysis reaction, and fixing a catalyst on a stirring paddle through a metal wire mesh; then the reaction liquid and ammonia gas enter a multi-section gas-liquid two-phase tower reactor and sequentially pass through reaction sections filled with metal oxides, molecular sieves and solid base catalysts, and deep hydrolysis of polymers, decomposition of aminocaproic acid and ammonolysis of caprolactam are achieved. According to the method, the hydrolysis rate is larger than or equal to 94%, the yield of 6-aminocapronitrile is larger than or equal to 90%, the method has the advantages of being capable of deeply hydrolyzing residues, simple in process and continuous in operation, the problems of insufficient hydrolysis and intermittent operation in the prior art are solved, the solid waste discharge amount in the hexamethylenediamine production process is greatly reduced, cost is reduced, economic benefits are improved, and the method is suitable for industrial production. A guarantee is provided for green, environment-friendly and safe production.

The invention relates to a multiphase synergistic high-strength and high-elasticity polyester elastomer as well as a preparation method and application thereof, and belongs to the technical field of high polymer material synthesis. The preparation method comprises the following steps: weighing dibasic acid I, dihydric alcohol and hydroxyl-terminated polyether, carrying out esterification reaction on the carboxyl-terminated polyether and the hydroxyl-terminated polyether to form an ester, and carrying out transesterification reaction on the hydroxyl-terminated polyether of the ester to prepare a polyester oligomer; adding caprolactam, carrying out a ring-opening reaction to generate aminocaproic acid, and carrying out an esterification reaction on aminocaproic acid and part of the polyester oligomer to form an amino-terminated and hydroxyl-terminated multi-component oligomer; adding binary acid II and a solvent, and carrying out salt forming reaction on the terminal carboxyl group and the terminal amino group at low temperature; and carrying out condensation polymerization in three forms, namely ammonium salt dehydration to form amido bonds, dehydration of terminal carboxyl groups and terminal hydroxyl groups to form ester bonds, and dihydric alcohol removal between the terminal hydroxyl groups to form ester bonds, so as to prepare the multi-block polyester elastomer. According to the invention, the interaction of hydrogen bonds is enhanced, and the tensile strength, tensile modulus and elastic recovery capability of the elastomer are improved.

To suppress fading of food and drink colored with an anthocyanin-based pigment.SOLUTION: An effective amount of at least one kind selected from the group consisting of furaneol, vanillin, maltol, ethyl butyrate, hexyl acetate, trans-2-hexenal, isoamyl acetate, methyl hexanoate, ethyl 2-methyl butyrate, ethyl 3-hydroxyhexanoate, alpha-ionone and damascenone is added to food and drink colored with an anthocyanin-based pigment. In addition, a pigment preparation and a food and drink composition containing the same components are provided.SELECTED DRAWING: None

The application provides a black fungus provenance characteristic molecular marker and application thereof, and the molecular marker comprises the following: the molecular marker 2-acetyl furan, beta-pinene and 2-pinene of Shaanxi black fungus; the molecular marker 2-propanol and 2, 6-dimethyl pyrazine of Heilongjiang black fungus; the molecular marker pentanal and 2-butanone of Jilin black fungus; the molecular marker n-hexanal and acetic acid of Zhejiang black fungus; and the molecular marker 2-methyl propionaldehyde and hexanoic acid of Fujian black fungus. The molecular marker can be used for identifying the provenance of black fungus. The application first provides the provenance characteristic molecular marker of black fungus, the molecular marker can replace all chemical components of black fungus and serve as a detection basis of the provenance of black fungus; compared with existing black fungus physical and chemical indexes and artificial sensory recognition analysis, the provenance characteristic molecular marker of black fungus provided by the application improves the accuracy and recognition rate of detection, and provides a simple, rapid and effective scheme for provenance identification of black fungus.

This invention discloses a process for producing sake based on multi-strain mixed fermentation and its flavor profile, belonging to the field of sake brewing technology. This invention provides a method using japonica rice from Northeast China as raw material, employing multi-strain, sequential low-temperature fermentation to regulate ester, acid, and alcohol production during the sake fermentation process. This results in a sake product with flavor compounds at levels and proportions comparable to Japanese sake. The strains include *Rhizopus oryzae*, *Rhizopus chinensis*, *Issaccharomyces orientalis*, and *Saccharomyces cerevisiae*. Compared to existing technologies, the microbial combination, inoculation amount, and inoculation sequence of this invention, combined with synergistic saccharification and fermentation, achieves a ratio of isoamyl acetate, ethyl hexanoate, ethyl lactate, and ethyl acetate, as well as a total ester content, reaching the levels of typical Japanese sake.

This invention discloses a method for preparing capsaicin-like substances by temperature-responsive eutectic solvent extraction, comprising the following steps: drying Yunnan chili peppers (after removing stems and seeds), pulverizing, sieving, and collecting the chili powder; mixing lidocaine (HBA) with six alkane-chain carboxylic acids (valerate, hexanoic acid, heptanoic acid, octanoic acid, nonanoic acid, and lauric acid) at a 1:1 molar ratio to form a homogeneous and transparent liquid, TRDES; weighing the chili powder, adding it to the TRDES aqueous solution, and extracting by shaking; after extraction, centrifuging, and diluting the supernatant to obtain capsaicin-like substances. This invention uses temperature-responsive eutectic solvent extraction to prepare capsaicin-like substances, which is simple, highly efficient, and allows for the recycling of extraction reagents, effectively saving resources. It has significant practical and industrial value for promoting the large-scale production of capsaicin-like substances and enhancing their high-value applications.

The application relates to the technical field of biomaterials, and particularly discloses a PHA combined microsphere as well as a preparation method and application thereof. The PHA combined microsphere provided by the application contains 10-40 wt% of PHA microspheres with a weight average molecular weight of less than 30000 Da and 1-40 wt% of PHA microspheres with a weight average molecular weight of more than 100000 Da, with the PHA being selected from one or more of poly-beta-hydroxybutyric acid, a copolymer of 3-hydroxybutyric acid ester and 3-hydroxyvaleric acid ester, a copolyester of 3-hydroxybutyric acid and 3-hydroxyhexanoic acid and poly(3-hydroxybutyric acid-co-4-hydroxybutyric acid). After the PHA combined microsphere is filled in the skin, on one hand, the PHA combined microsphere can be rapidly degraded in an early stage and promote the reproduction of fibroblasts and endothelial cells in a short time; on the other hand, the PHA combined microsphere can be continuously degraded within 21 weeks and cannot cause inflammation, so that the effect of persistent filling is achieved.

Biobased dielectric coolants and methods for making diverse high-quality biobased dielectric coolants using carboxylic acid and / or dicarboxylic acids produced from ozone cracking of lipids. The method can include reacting a fatty acid with one or more alcohols, diols, and / or triols to esterify the fatty acid to form esters having a kinematic viscosity @ 40° C. of less than 15 mm2 / s, according to ASTM D 445. The carboxylic acids and dicarboxylic acids can be nonanoic acid, malonic acid, propanoic acid, hexanoic acid, and / or azelaic acid, and can be derived from the oxidation of one or more lipids by ozone cracking.

To provide a novel composition that has the effect of maintaining or improving glucose metabolism function. [Solution] A composition for maintaining or improving glucose metabolism function, containing a hexanoic acid compound as an active ingredient.