155 results about "P-Hydroquinone" patented technology

The invention provides an alpha-glucosidase mutant and application thereof in synthesis of alpha-arbutin, and the alpha-glucosidase mutant comprises the following steps: maltose and hydroquinone are taken as substrates, the recombinant bacteria are taken as a catalyst, catalytic reaction is carried out under a heating condition, and the alpha-arbutin is obtained. According to the synthesis method, maltose and hydroquinone are used as reaction substrates, and alpha-arbutin is generated through whole-cell catalysis; meanwhile, the sequence of the alpha-glucosidase mutant is integrated onto a pRSEDuet-1 expression vector and transferred into escherichia coli BL21 (DE3) for expression, a reaction system of recombinant bacteria is optimized, the optimal catalytic condition is determined, the yield of alpha-arbutin under the optimal condition is 24.8 g / L, the yield can reach 95.6% and is improved by 1.2 times compared with that of an original strain, and the alpha-glucosidase mutant has a good application prospect.

The invention discloses a lignin-based epoxy resin derived porous carbon composite electrode material and a preparation method and application thereof, and belongs to the technical field of electronic materials. Sodium lignin sulfonate, hydroquinone and epichlorohydrin are used as main raw materials, m-phenylenediamine is added for polycondensation to prepare a lignin-based epoxy resin polymer, then lignin-based epoxy resin derived porous carbon is obtained through pre-carbonization and high-temperature pyrolysis, finally, the porous carbon adsorbs aniline and then is subjected to in-situ polymerization, and the lignin-based epoxy resin derivative porous carbon is obtained. The lignin-based epoxy resin derivative porous carbon composite electrode material is obtained. The lignin-based epoxy resin derived porous carbon has a hierarchical pore structure, the specific surface area reaches 2287.87 m / g, and the mass specific capacitance of the polyaniline-introduced composite electrode material reaches 497.7 F / g. The composite electrode material has excellent electrochemical performance, the preparation process is safe and easy to implement, the cost is low, and the application prospect is wide.

The invention discloses a high-performance PEEK composite material and application thereof in a robot skeleton, and belongs to the technical field of special engineering plastics, the PEEK composite material comprises the following components by weight: 50-80 parts of PEEK, 10-20 parts of an elastomer, 15-30 parts of carbon fiber, and 5-10 parts of a compatilizer, monomers 1-4 are copolymerized to obtain a hyperbranched polyaryletherketone copolymer, the hyperbranched polyaryletherketone copolymer is terminated by polysiloxane and modified by maleic anhydride, the monomer 1 is 4, 4 ', 4'-trihydroxy-3, 3 ', 3'-trimethoxytriphenylmethane, the monomer 2 is isopropyl hydroquinone, the monomer 3 is hydroquinone, and the monomer 4 is 4, 4 '-difluorobenzophenone. According to the high-performance PEEK composite material and the application of the high-performance PEEK composite material in the robot skeleton, the self-made compatilizer is added, so that the PEEK and carbon fiber composite material has the characteristics of high strength, good interfacial compatibility, good bending fatigue performance and the like.

The invention discloses a mechanically interlocked isohydrocarbon-like structure hydrogel and a preparation method thereof, and belongs to the technical field of hydrogel sensing. The preparation method of the mechanically-interlocked isohydrocarbon-like structure hydrogel comprises the following steps: firstly, preparing a carbon nano network solution by using hydroquinone; and then mixing the carbon nano network solution, acrylamide, water, a cross-linking agent and a photoinitiator, and treating under ultraviolet irradiation to obtain the hydrogel. The preparation method comprises the following steps: introducing a three-dimensional carbon nano network, blending the three-dimensional carbon nano network with an acrylamide monomer, and carrying out in-situ free radical polymerization to construct the mechanical interlocking isohydrocarbon-like structure hydrogel. The carbon nano network provides a continuous porous framework, a polyacrylamide chain segment is embedded into pores of the carbon nano network in the polymerization process, and a stable isohydrocarbon-like structure is formed through physical winding, space nesting and mechanical interlocking. The prepared hydrogel has excellent mechanical property, adhesion property and strain response capability, and provides a reliable and economical material basis for a flexible strain sensing function.

The invention discloses unsaturated polyester resin for repairing an ultraviolet curing pipeline, and belongs to the technical field of preparation of unsaturated polyester resin. The unsaturated polyester resin for repairing the ultraviolet curing pipeline is prepared from the following components in parts by weight: 20 to 30 parts of maleic anhydride, 15 to 25 parts of phthalic anhydride, 19.8 to 34.1 parts of ethylene glycol, 24.3 to 41.8 parts of propylene glycol, 4 to 10 parts of a composite ultraviolet curing agent, 1 to 3 parts of a modified temperature-sensitive agent, 2 to 5 parts of carbon nanotubes, 0.1 to 0.5 part of hydroquinone and 0.5 to 1.2 parts of an antioxidant 1010. The unsaturated polyester resin prepared by the method has excellent temperature-responsive phase change, mechanical property, catalytic photocuring property and chemical corrosion resistance.

The invention relates to the technical field of paint removers, and particularly discloses an environment-friendly water-based paint remover for tools as well as a preparation method and application of the environment-friendly water-based paint remover. The invention provides an environment-friendly water-based paint remover for tools. The environment-friendly water-based paint remover is specifically prepared from 280-320 parts of a main solvent, 40-54 parts of a solubilizer, 30-40 parts of a surfactant, 7-13 parts of a penetrating agent, 130-150 parts of monoethanolamine, 8-12 parts of sulfonic acid, 40-58 parts of caustic soda flakes, 1-5 parts of a thickening agent and 280-320 parts of water. The main solvent is formed by mixing benzyl alcohol and dipropylene glycol monomethyl ether according to the weight ratio of (0.1-1): (1-10); the preparation method of the penetrant comprises the following steps: reacting phthalic anhydride, ethylene glycol and hydroquinone to obtain modified polyester; and then mixing the modified polyester with isooctanol polyoxyethylene ether JFC-3 to obtain the modified polyester. The paint remover prepared by the invention has good paint removal efficiency, and can effectively improve the production efficiency of an automobile coating factory and reduce the comprehensive cost.

The invention discloses a tubular continuous flow preparation process and a tubular continuous flow preparation device for (R)-(+)-2-(4-hydroxyphenoxy) propionic acid. A hydroquinone aqueous solution and a sodium hydroxide solution are respectively preheated and mixed, and then enter a tubular reactor I for reaction to obtain a hydroquinone sodium alkaline solution. And pumping (S)-(-)-2-methyl chloropropionate into a reaction system, respectively preheating the (S)-(-)-2-methyl chloropropionate and the hydroquinone sodium alkaline solution obtained in the previous step, mixing the (S)-(-)-2-methyl chloropropionate and the hydroquinone sodium alkaline solution, carrying out nucleophilic substitution reaction in a tubular reactor II, and carrying out post-treatment on the reaction completion solution to obtain the high-purity (R)-(+)-2-(4-hydroxyphenoxy) propionic acid. According to the method, an optimization method combining a tubular reaction technology and kinetic research is adopted, and MATLAB simulation and experimental verification are combined, so that the reaction yield reaches 95% or above, and the purity reaches 99% or above; the method is high in reaction controllability, fully continuous in reaction process, convenient to operate, low in cost and suitable for industrial production, and the use amount of hydroquinone is greatly reduced.

The invention provides a silver substrate and a preparation method and application thereof.The preparation method comprises the steps that firstly, dispersed silver seeds are introduced to the surface of an aluminum-foil paper substrate through the reaction of silver nitrate and excessive alkali, and in-situ nucleation sites are provided for follow-up silver growth; and then, through in-situ reduction reaction of hydroquinone and silver nitrate, silver controllably grows on the basis of the silver seeds to form a structure rich in hot spots. Conventional raw materials such as aluminum foil, silver nitrate, alkali and hydroquinone are adopted in the whole process, complex equipment is not needed, and therefore the process is simple and low in cost; meanwhile, a step-by-step regulation and control mechanism ensures that a large number of'hot spots' formed by nano-structure gaps and tips are formed on the surface of the silver substrate, and the key structure can obviously enhance Raman signals, so that the high-sensitivity detection requirement is met. In conclusion, the method has the advantages of preparation convenience, cost and high performance of the product, a practical substrate which is easy to popularize and high in adaptability is provided for the field of surface enhanced Raman spectrum detection, and the method has remarkable application value.

The invention discloses a method for synthesizing alpha-arbutin through biotransformation, and belongs to the technical field of biochemistry. A gene cloning technology is utilized, sucrose phosphorylase Spase in leuconostoc mesenteroides and sucrose phosphorylase gtfa in bifidobacterium adolescentis are screened and found through a Deep Molecules and DLKcat algorithm on a Uniprot database, novopro is utilized for codon optimization, then the sucrose phosphorylase Spase and the sucrose phosphorylase gtfa are expressed on a plasmid vector PET-28a and are converted into an escherichia coli BL21 (DE3) strain, and the sucrose phosphorylase Spase and the sucrose phosphorylase gtfa in the bifidobacterium adolescentis are obtained. An engineering strain for heterologous expression of the gene is constructed by taking the gene as a chassis cell. According to the process, sucrose and hydroquinone are taken as co-substrates, and bioconversion is carried out under the action of sucrose phosphorylase from different sources to obtain alpha-arbutin.

A method for electrochemiluminescence detection of hydroquinone based on aggregation-induced emission Cd-MOF is provided, including: step 1, preparation of Cd-MOF material; step 2, mixing Cd-MOF material with co-reactant; and step 3, establishment and application of hydroquinone sensor. The organic ligand TPPE with aggregation-induced emission effect and CdCl2 are used to prepare self-luminous Cd-based metal-organic framework Cd-MOF with rigid and directional structure through coordination.

The application discloses a brazing flux capable of enhancing the radiation resistance of aluminum alloy brazing joints, and a preparation method and application thereof. The brazing flux is composed of 5-18% of an organic mixture and the balance of an inorganic mixture. The organic mixture is composed of 7-15% of EP-12 epoxy resin, 8-16% of EP-16 epoxy resin, 5-8% of F-51A high-temperature-resistant flame-retardant thermosetting phenolic resin, 5-8% of F-52A high-temperature-resistant flame-retardant thermosetting phenolic resin, 5-8% of resorcinol, 5-8% of hydroquinone and the balance of phthalic anhydride. The inorganic mixture is composed of 40-55% of CsF, 20-30% of AlF3, 0.005-0.01% of GaF3 and the balance of Al(OH)3. The brazing flux matches Zn-Al filler metal, can make the aluminum alloy brazing joint have good radiation resistance, and can significantly improve the shearing strength of the brazing joint.

The invention discloses a preparation method of p-phenylethylether, p-phenylethylether is prepared from hydroquinone and diethyl carbonate in a high-selectivity manner under the catalysis of a catalyst, and the catalyst is a Zr / Ho-loaded SAPO molecular sieve catalyst. The process is green and environment-friendly, few in three wastes, high in catalyst reaction activity, good in stability, simple to separate and high in product yield, and has a good industrial application prospect.

The invention discloses a carbon dot-based high-water-content tough hydrogel and a preparation method thereof, belonging to the technical field of hydrogels. The invention introduces specific carbon dots (hydroquinone carbon dots), utilizes the hydroquinone carbon dots as nanofillers, and connects them to the double cross-linked network of sodium alginate / polyvinyl alcohol hydrogel through hydrogen bonds to promote effective cross-linking polymerization. The introduction of the hydroquinone carbon dots can not only improve the conductivity, but also enhance the mechanical properties of the high-water-content hydrogel, and the preparation process is simple and the performance is excellent.

A frame glue material, a display panel, and a manufacturing method thereof are disclosed. The frame glue material includes a photoinitiator, a thermal curing agent, and an epoxy acrylate resin, and a chemical structural formula of the epoxy acrylate resin is:wherein, R includes at least one of resorcinol, hydroquinone, or bisphenol A.

The invention relates to the technical field of oil field chemicals, and discloses a hydrolysis-resistant organosilicon nonionic surfactant and a preparation method thereof. The problems that in the prior art, due to retention of fracturing fluid in the flowback process, the stratum permeability is reduced, and the oil and gas development effect is affected are solved. The technical scheme adopted by the invention is as follows: weighing 10-15 parts of acrylic acid; 60 to 70 parts of octylphenol polyoxyethylene ether; the preparation method comprises the following steps: uniformly mixing the following components in parts by weight: 20-30 parts of sodium hydroxide, 0.06-0.30 part of hydroquinone and 0.6-1.8 parts of p Introducing nitrogen and heating for reaction; adding 0.05% dichloromethane for dissolving, adjusting the solution to be neutral by using a sodium hydroxide solution, and carrying out reduced pressure distillation at 45 DEG C; after the reaction is finished, adding 5 parts of isopropanol and 0.005 part of chloroplatinic acid hexahydrate, uniformly mixing, introducing nitrogen, heating for half an hour, dropwise adding heptamethyltrisiloxane at a constant speed, controlling the reaction temperature at 80-120 DEG C, and reacting for 5-7 hours to obtain brownish yellow viscous liquid; and carrying out reduced pressure distillation on the brownish yellow viscous liquid at 45 DEG C.

The present invention provides an α-glucosidase mutant and its application in the synthesis of α-arbutin, including the following steps: using maltose and hydroquinone as substrates, and using the recombinant bacterium as a catalyst, carrying out a catalytic reaction under heating conditions to obtain the α-arbutin. The synthesis method of the present invention uses maltose and hydroquinone as reaction substrates and uses whole-cell catalysis to generate α-arbutin; at the same time, the sequence of the α-glucosidase mutant is integrated into the pRSEDuet-1 expression vector, transferred into Escherichia coli BL21(DE3) for expression, and the reaction system of the recombinant bacterium is optimized to determine the optimal catalytic conditions. Under the optimal conditions, the yield of α-arbutin is 24.8 g / L, and the yield can reach 95.6%, which is 1.2 times higher than that of the original strain, and has good application prospects.

The invention discloses an amylosucrase mutant and application thereof in synthesis of alpha-arbutin, the mutant is obtained by mutation of an amino acid sequence of amylosucrase derived from coprophilobacterium mediterranei, and the amino acid sequence of the mutant is shown as SEQ ID NO.4. The invention further discloses a preparation method of the amylosucrase mutant. Compared with a wild strain, the catalytic activity, the temperature stability and the substrate tolerance of the amylosucrase mutant disclosed by the invention are remarkably improved; the recombinant bacteria constructed by using the recombinant bacteria can be used as a whole-cell catalyst to efficiently catalyze a substrate to synthesize alpha-arbutin in a reaction system containing hydroquinone. Therefore, the amylosucrase mutant disclosed by the invention has a good application prospect.

The invention provides an oocyte in-vitro maturation culture solution additive and application thereof. The additive is tert-butylhydroquinone. By adding 100 [mu] g / mL of TBHQ into a basic culture solution, the first polar body discharge rate of oocytes is remarkably increased to 77.29%, the ROS level is reduced, and the blastocyst rate of in-vitro fertilized embryos is increased. The technology is suitable for breed conservation of livestock genetic resources such as sheep and can replace live livestock transportation to reduce the cost.

The invention relates to the technical field of new materials, and discloses a high-elasticity grouting material and a preparation method thereof.The method comprises the steps that after an acrylate mixture and triethanolamine are stirred to be evenly mixed, methyl methacrylate, styrene, vinyl trichlorosilane and N-hydroxymethyl acrylamide are sequentially added for stirring; adding an initiator and continuously stirring to promote the polymerization reaction; gradually adding heavy calcium carbonate, aluminum oxide and nano silicon dioxide, ensuring uniform distribution of the filler, adding butyl acrylate and hydroquinone, adding a defoaming agent and a dispersing agent, and continuously stirring to remove bubbles and ensure uniform distribution of the filler, so as to obtain a mixture; and pouring the mixture into a mold for curing to obtain the high-elasticity grouting material. The high-elasticity grouting material disclosed by the invention has excellent mechanical properties and durability, and is suitable for crack repair, water prevention, sealing and the like of various constructional engineering.

The invention provides a composition for preparing polyether-ether-ketone and an insulated cable. The composition comprises a copolymer and an organic solvent, and the copolymer is a copolymer of N-phenyl (4, 4 '-difluorodiphenyl) ketoamine and hydroquinone. The copolymer disclosed by the invention has excellent solubility in an organic solvent, the convenience of directly coating a conductor with the composition disclosed by the invention and preparing a polyether-ether-ketone insulating layer is greatly improved, the process difficulty is remarkably reduced, the insulating layer with uniform thickness can be generated through single-time coating and acid treatment, and the service life of the insulating layer is prolonged. The technical problem that the coating is not uniform when polyether-ether-ketone is directly used in the prior art is solved, and the risk of defects caused by extrusion thickness is remarkably reduced.

The invention provides a cleaning and preserving fluid for fetal brain tissues and a preserving method thereof, and belongs to the technical field of tissue preservation. The cleaning and preserving fluid comprises trehalose, nerve growth factors, a GlutaMAX supplement, Y27632, S-nitrosoglutathione, tert-butylhydroquinone, a Versene solution and polyvinylpyrrolidone, compared with a traditional tissue preserving fluid, the cleaning and preserving fluid not only can improve the purity of neural stem cells, but also can maintain the activity and the yield of the neural stem cells in fetal brain tissue, and the cleaning and preserving fluid has the advantages that the cleaning and preserving fluid is simple in structure and convenient to use. The structural integrity of the cells is guaranteed, a high-quality sample is provided for subsequent research on proliferation, differentiation and the like of the neural stem cells, and the method has a wide application prospect.

The invention discloses a medical-grade modified PEEK composite material and a preparation method thereof. The preparation method comprises the following steps: S1, dispersing a bioactive material into dissolved diphenyl sulfone, and heating until a solvent is volatilized to obtain a bioactive material / diphenyl sulfone composite material; s2, adding the bioactive material / diphenyl sulfone composite material into a reaction kettle, heating in an inert atmosphere until diphenyl sulfone is molten, adding sodium carbonate, difluorobenzophenone and hydroquinone, and continuously heating for reaction; s3, heating a polymerization product in S2, and then cooling to 250-260 DEG C; and when the temperature is reduced to 250 DEG C, naturally cooling, and pulverizing the obtained sample by a pulverizer. The preparation method comprises the following steps: firstly preparing a bioactive material / diphenyl sulfone composite material, and in a PEEK polymerization reaction process, adding nano particles as effective nucleation sites, and growing a PEEK polymer by taking the nano particles as crystal nucleuses, so that steric resistance potential energy exists among the particles, thereby enlarging potential barriers among the particles and effectively reducing the agglomeration phenomenon of the nano particles.

The application discloses application of a composition in preparation of sleep-improving preparations, and the composition comprises tert-butyl hydroquinone and linoleic acid. It is found by the application that neither the tert-butyl hydroquinone nor the linoleic acid can improve sleep alone, but the combination of the tert-butyl hydroquinone and the linoleic acid can improve sleep, increase total sleep time and single sleep time, and reduce the number of night awakenings and the number of night spontaneous activities. The composition of the application is safe and easy to obtain, has a good sleep-improving effect, and has a wide application prospect.

The invention relates to the technical field of medical suturing agents, and discloses a medical suturing agent for trauma and surgery and a preparation method thereof.The preparation method comprises the steps that 80 g of alpha-cyanoacrylate isobutyl ester, 0.4 g of acrylonitrile-butadiene rubber, 0.2 g of p-toluene sulfonic acid, 2 mg of hydroquinone and 20 mg of tert-butyl hydroxy anisd are weighed and evenly mixed in a 500 ml three-necked bottle; and adding the alpha-ethyl cyanoacrylate to 100g, stirring until the solution is clear and transparent, setting the filling amount of the medical suture agent to be 0.5 ml / bottle, aseptically filling the medical suture agent into a 1ml ampoule bottle, and carrying out lamp inspection, lettering and packaging to obtain a finished product. The medical suture agent disclosed by the invention is used for anastomosis of wounds in trauma and surgical operations, has the advantages of good stability, high bonding strength, high anastomosis speed, no whitening, good toughness, high yield, no toxicity, in-vivo degradation and no three causes, and has certain functions of stopping bleeding, relieving pain and inhibiting bacteria.

This invention relates to the field of polymer material processing technology, specifically to an impact-resistant, high-transparency acrylic sheet and its extrusion and calendering equipment and process, comprising the following components in parts by weight: 80-85 parts methyl methacrylate; 0.07-0.09 parts azobisisobutyronitrile; 0.001 parts hydroquinone; and 15-20 parts toughening masterbatch. The particle size of the toughening masterbatch is 2.0 mm to 2.5 mm, and the particle size difference between the polymethyl methacrylate particles and the toughening masterbatch is 0.2 mm to 0.5 mm. By combining a specific composite toughening masterbatch formula with precisely controlled particle size distribution, it can effectively resist the impact of door closing and object bumps, ensuring the structural integrity and durability of the components. The haze is ≤0.45%, which meets the stringent requirements for the "high-end" and transparent appearance of decorative parts such as A-pillars and trim strips, avoiding visual blurring caused by toughening.

The present disclosure relates to a body-derived odor removal composition. The composition for removing body-derived odors according to the present disclosure contains dimethylhydroquinone as an active ingredient, and thus has significantly excellent effects of removing body-derived odors, preferably body odors caused by nonenal, isovaleric acid, diacetyl, and the like.

The invention provides a preparation method of an antioxidant TBHQ (tert-butylhydroquinone), which comprises the following steps: adding a certain amount of reducing agent into hydroquinone in the presence of an acid catalyst and a solvent, heating to a reaction temperature under the protection of nitrogen, maintaining for a certain time, and then introducing isobutene to carry out alkylation reaction; after the reaction is finished, separating the acid phase catalyst while hot, cooling, crystallizing and filtering an oil phase to obtain a crude product, adding a certain amount of water and a reducing agent into the crude product, carrying out azeotropic distillation under the protection of nitrogen to remove a residual solvent, filtering while hot to remove DTBHQ, cooling, crystallizing and filtering filtrate to obtain a semi-finished product, and recrystallizing the semi-finished product by using a solvent to obtain the DTBHQ. And finally, filtering and drying in vacuum to obtain a white finished product TBHQ. According to the preparation method disclosed by the invention, through the design of the technological process, the output of oxidation byproducts TBQ and DTBQ is greatly reduced, the product quality and yield are improved, three wastes are reduced, the cost is reduced, and the shelf life of the product can be prolonged.

The application belongs to the technical field of lubricants, and provides a polyurethane lubricant, a preparation method and application thereof.The polyurethane lubricant provided by the application comprises the following components in percentage by weight: 8-20% of a polyurethane thickening agent, 80-90% of base oil, 1.5-3.5% of an antioxidant, 0.5-2.0% of extreme pressure anti-wear agent, and 0.1-1.5% of lubricant; the polyurethane thickening agent is formed by polycondensation reaction of 4,4'-dicyclohexyl methane diisocyanate (HMDI), polybutylene adipate (PBA) and hydroquinone di(2-hydroxyethyl) ether (HQEE). The polyurethane lubricant provided by the application has excellent high-temperature stability, wide temperature range performance, and extremely high load-carrying and wear resistance.

The invention belongs to the technical field of degradation modification of epoxy resin materials, and particularly relates to epoxy resin capable of being degraded in an acidic environment and a preparation method and application of the epoxy resin capable of being degraded in the acidic environment, and the epoxy resin capable of being degraded in the acidic environment is prepared from 2, 6-dialkoxy p-phenylenedioxy, 2-hydroxy-1, 3-propylidene and cross-linked 4, 6-dialkoxy p-phenylenedioxy, 2-hydroxy-1, 3-propylidene. The preparation method comprises the following steps: reacting 2, 6-dialkoxy hydroquinone monomers with epoxy chloropropane monomers to synthesize an epoxy resin prepolymer, and then cross-linking and curing the prepolymer by using a diphenylamine curing agent, thereby obtaining the pH-responsive dynamic covalent network containing C-O polar weak bonds, which is composed of 2, 6-dialkoxy hydroquinone units and 4, 4 '-subunit diphenyl nitrogen units. According to the 2, 6-dialkoxy hydroquinone epoxy resin prepared by the preparation method disclosed by the invention, mechanical, thermal and electrical properties of hydroquinone epoxy resin are retained, and meanwhile, the hydroquinone epoxy resin is internally degradable, so that sustainable development of the relationship between an epoxy resin material and the environment is effectively promoted.

The invention belongs to the technical field of functional foods, and relates to a high-dietary-fiber total-nutrient formula food as well as a preparation method and application thereof. The food consists of the following raw materials in parts by weight: 137-200 parts of casein, 2-3 parts of cysteine, 97-272 parts of corn starch, 90-132 parts of sucrose, 69-100 parts of maltodextrin, 334-350 parts of wheat cellulose, 48-70 parts of soybean oil, 35 parts of a mineral premix, 10 parts of a vitamin premix, 2.5 parts of choline tartrate and 0.008 part of tert-butylhydroquinone, wherein the wheat cellulose accounts for 33-35% of the total mass. The food is reasonable in proportion and stable in quality; the health effect of calorie-limited diet can be simulated under the condition that dieting is not needed, the influence on mouse liver genes is highly similar to that of calorie-limited diet, glycolipid metabolism of old mice can be improved, lipid accumulation is reduced, and the athletic ability and learning and memory functions of the old mice can be improved.