274 results about "Limonene" patented technology

The invention provides a rapid visual D-limonene detection method and application thereof, and belongs to the technical field of analytical chemistry, the method comprises the following steps: uniformly mixing ethanol and water to form a solvent system, sequentially adding template agents Pluronic P123 and Pluronic F127, phloroglucinol, 1, 3, 5-trimethylbenzene and ethylenediamine, and uniformly stirring at room temperature; after the reaction is completed, washing, centrifuging, drying and calcining an obtained sample to obtain DNCzyme; the method comprises the following steps: adding TMB, H2O2 and DNCzyme into an acetic acid-sodium acetate buffer solution HAc-NaAc, finally adding D-limonene, incubating, and carrying out visual detection on the solution. The method for detecting the D-limonene through colorimetric sensing is rapid, simple, convenient, low in cost, high in sensitivity and good in selectivity, and visual detection is achieved by combining a smart phone.

The present invention relates to the field of compound pesticides, and specifically to a compound pesticide containing Jinggangmycin and its application. The compound pesticide containing Jinggangmycin is composed of the following components by mass percentage: 10-70% active component, 1-3% antioxidant, 1-2% pH regulator, and the balance is a carrier and / or adjuvant; the active component includes active component A: Jinggangmycin and active component B: Danshensu, D-limonene and xanthan gum, and the mass ratio of active component A to active component B is 1: (0.4~5). The pesticide of the present invention is compounded by active component A and active component B, which can significantly improve the prevention and control effect, has a good effect in preventing and controlling rice diseases, and reduces the dosage and cost at the same time.

The invention discloses an attractant for citrus fruit flies, wherein the components thereof are as follows by mass percentage: (a) d-limonene content is 20-40%; (b) geranyl acetate content is 20-40%; (c) α-terpineol content is 20-40%; and (d) tert-butylphenol content is 5-20%. By using the invention, adult citrus fruit flies in a surrounding area of ​​about 1.5 mu can be lured and killed, large-scale spraying of chemical pesticides can be reduced, and the monitoring and prevention and control effects of citrus fruit flies can be significantly enhanced.

The invention relates to the technical field of cleaning agents, and discloses a biodegradable environment-friendly cleaning agent, which comprises: a composite surfactant system comprising at least one nonionic surfactant, an ampholytic surfactant and a chelating functional surfactant; the plant extract oil system comprises limonene and a eucalyptus oil mixture; the functional particle system comprises nanoscale enzyme microcapsules and slow-release type oxidized particles; the natural polysaccharide stable network system comprises at least two polysaccharide thickeners and a bio-based cross-linking agent, and the assistant system comprises a metal ion chelating agent, a buffer acid system and water. By introducing sodium polyaspartate as a green chelating surfactant, efficient chelating of calcium and magnesium ions under a hard water condition is realized, the cleaning power is remarkably improved, water stain residues are reduced, and the cleaning performance with wider adaptability is obtained.

The invention discloses a botanical attractant for thrips hawaiiensis in a banana field and application of the botanical attractant. According to the application, alpha-pinene, caryophyllene, DL-limonene, beta-pinene and D-limonene which have a remarkable attracting effect on thrips hawaiiensis are separated and identified from banana flower buds which are host plants of the thrips hawaiiensis, and effective concentrations of the compounds with the attracting effect on the thrips hawaiiensis are screened out; the five compounds are mixed according to a certain volume ratio to prepare the thrips hawaiiensis luring composition. Indoor and outdoor experiments prove that the trapping composition provided by the invention has remarkable trapping activity on thrips hawaiiensis in a banana field. The attractant provided by the invention is derived from plants, is simple to prepare, is environment-friendly, is non-toxic to people and livestock, and has a good popularization and application prospect.

The invention relates to the technical field of paint removers, and particularly discloses a paint removal composition, a paint stain cleaning agent and application of the paint stain cleaning agent. The paint stain cleaning agent provided by the invention is prepared from the following components in parts by weight: 30 to 40 parts of EDTA-2Na (Ethylene Diamine Tetraacetic Acid), 200 to 300 parts of caustic soda flakes, 140 to 170 parts of sodium alcohol ether sulphate, 160 to 180 parts of sodium xylene sulfonate, 400 to 450 parts of monoethanolamine, 1100 to 1300 parts of diethylene glycol monobutyl ether, 250 to 300 parts of limonene, 40 to 100 parts of saponin extract and 3700 to 3900 parts of water, the saponin extract is selected from one or more of soapnut saponin, fenugreek saponin and aescin; the invention further provides a paint stain cleaning agent prepared from the paint removal composition and application of the paint stain cleaning agent to cleaning of protective clothing. The paint stain cleaning agent provided by the invention can quickly permeate into paint and the contact surface of the paint and protective clothing, so that the paint on the surface of the protective clothing is dissolved and effectively stripped.

The invention discloses application of bacillus albordowii in cultivation for improving the flavor of fragrant rice, and relates to the field of fragrant rice cultivation and planting. According to the application, it is found for the first time that bacillus albordowii has the effect of improving flavor substances of fragrant rice, and when fragrant rice seedlings grow to the three-leaf and one-core stage, the roots of the seedlings are soaked with bacillus albordowii liquid; after the seedlings are transplanted to a field, the bacillus albopastoris bacterial liquid is sprayed to the soil at the roots of the seedlings, 24 main aroma components in the fragrant rice can be increased by 5.56%-12036.00%, the content of 2-ethyl-1-hexanol with rose fragrance is increased by 120 times or above, the content of 2-butyl-1-octanol with flower fragrance is increased by 235.71%, the content of 6, 10-dimethyl-(E)-5, 6-dimethyl-2, 6, 6-tetramethyl-1, 3-pentanedione with fruit fragrance is increased by 235.71%, and the content of 6, 10-dimethyl-(E)-5, 6-tetramethyl-1, 3-pentanedione with fruit fragrance is increased by 235.71%. The content of 2, 9-undecylene-2-ketone is increased by 132.50%, the content of limonene, the content of hexanal, the content of 2-heptanone, the content of 2-tridecanone and the content of 2-pentadecanone are increased by 50% or above, and the content of 2-acetyl-1-pyrroline (2-AP) is increased by 30% or above; the application method is more convenient to operate, and the overall flavor of the rice is improved more remarkably.

The invention relates to an agricultural film cleaning agent and a preparation method thereof, and belongs to the technical field of agricultural cleaning agents. The skin care product comprises the following raw material components: 50 to 90 parts of deionized water, 0.1 to 2 parts of a stabilizer, 0.01 to 1 part of protease, 0.01 to 0.5 part of cellulase, 0.01 to 0.5 part of lipase, 1 to 10 parts of limonene, 0.5 to 30 parts of an emulsifier, 1 to 5 parts of glycerol and 1 to 10 parts of a surfactant. The cleaning agent disclosed by the invention is simple and convenient in preparation process, green and environment-friendly in component, and capable of efficiently removing mildew spots, dust and other stubborn pollutants on agricultural films (such as greenhouse films and mulching films), recovering the transparency of the films, improving the growth environment of crops and prolonging the service life of the films.

The present invention relates to a method for treating a sleep disorder. Preferably, the invention relates to a method for treating a sleep disorder comprising the step of administering a pharmaceutical composition comprising a Cannabis extract and optionally one or more pharmaceutically acceptable carriers, diluents, adjuvants, excipients or any combination thereof, the Cannabis extract comprising a terpene fraction comprising limonene in an amount of at least about 5.4% by weight of the terpene fraction.

The invention belongs to the technical field of microbial fermentation, and relates to bacillus cereus capable of biologically converting limonene, the bacillus cereus is preserved in the China Center for Culture Collection, the classification name is Bacillus cereus GJ-02, the preservation number is CCTCC M 20251438, and the preservation date is June 23, 2025; according to the invention, the bacillus cereus strain capable of biologically converting limonene and having efficient conversion capability is separated and screened, a new strain resource is provided for microbial conversion of D-limonene, and a theoretical basis is provided for biosynthesis and metabolic engineering modification of terpenoids; therefore, the method has a wide application prospect in the field of microbial fermentation.

The invention belongs to the technical field of microbial fermentation, and relates to a nitrate reducing pseudomonas capable of biologically converting limonene, which is preserved in the China Center for Culture Collection, the classification name of which is Pseudomonas nitritiducens GJ-01, the preservation number of which is CCTCC M 20251439, and the preservation date of which is June 23, 2025, and the preservation number of which is CCTCC M 20251439. According to the invention, the nitrate reducing pseudomonas strain with efficient conversion capability and capable of biologically converting limonene is separated and screened, so that a new strain resource is provided for microbial conversion of D-limonene, and a theoretical basis is provided for biosynthesis and metabolic engineering modification of terpenoids; therefore, the method has a wide application prospect in the field of microbial fermentation.

The invention is suitable for the technical field of UV curing glue dissolving agents, and provides a glass surface UV curing glue dissolving agent, which comprises the following components by mass: 65-90 parts of ethanol, 1-3 parts of a surfactant, 0.9-2.2 parts of a corrosion inhibitor, 0.5-1.2 parts of a thickener, 1-3 parts of limonene, 2-5 parts of glycerin, 6-15 parts of vegetable oil, 3-6 parts of alkyl glycoside, and 1.5-3 parts of gamma-butyrolactone. Preferably, the surface active agent is one or more of alkyl-free phenol, polyoxyethylene-polyoxypropylene block copolymer or polyether modified siloxane; preferably, the sustained release agent is one or more of benzotriazole, methyl benzotriazole or sodium silicate. The product obtained by the invention is neutral and does not corrode glass after long-time soaking, and the peptized glass can be directly put into use, so that the loss of repair is reduced; aiming at common glue in the market, the adhesive has very good dissolving capacity, and is higher in universality; and the service life is prolonged, replacement is not needed, only the solution needs to be added when the solution is insufficient, and replacement is reduced.

The invention relates to an application of a limonene inclusion compound solution in bacteriostasis or insect killing. According to the limonene inclusion compound solution prepared by the invention, starch is used as a main raw material, and the conversion rate of cyclodextrin is effectively improved through an enzymolysis technology of a synergistic effect of dextrin debranching enzyme and beta-CGT enzyme. The limonene molecules can be uniformly dispersed in the aqueous solution in various stable forms, so that the solubility of the limonene molecules is remarkably improved, the biological activity of the limonene is effectively reserved, and the problem that the traditional solid powder aqueous solution is limited in part of application fields is solved. Compared with a conventional limonene product, the limonene inclusion compound solution has a remarkable prevention and treatment effect on various pests, shows broad-spectrum antibacterial performance and has a good inhibition effect on various bacteria such as escherichia coli and bacillus subtilis. Besides, the limonene inclusion compound solution also shows good stability and durability when applied to the fields of medicine, food or agriculture, and has wide market prospects and application values.

This invention provides a rapid and visual detection method for D-limonene and its application, belonging to the field of analytical chemistry. The method includes: mixing ethanol and water to form a solvent system, sequentially adding template agents Pluronic P123 and Pluronic F127, phloroglucinol, 1,3,5-trimethylbenzene, and ethylenediamine, and stirring at room temperature until homogeneous; after the reaction is complete, washing, centrifuging, drying, and calcining to obtain DNCzyme; adding TMB, H2O2, and DNCzyme to an acetate-sodium acetate buffer solution HAc-NaAc, and finally adding D-limonene, incubating, and then visually detecting the solution. The colorimetric sensing method for detecting D-limonene provided by this invention is rapid, simple, low-cost, highly sensitive, and selective, and can be visualized using a smartphone.

The invention relates to the technical field of cleaning tablets, and provides a multi-effect cleaning tablet for a kitchen waste processor and a preparation method of the multi-effect cleaning tablet. The multi-effect cleaning tablet comprises a foaming cleaning layer, an oxidation sterilization layer and a deep decomposition layer, the foaming cleaning layer is arranged on one side of the oxidation sterilization layer, the deep decomposition layer is arranged on the opposite side of the oxidation sterilization layer, and the foaming cleaning layer comprises sodium bicarbonate, gluconic acid-delta-lactone, alkyl glycoside, limonene and a chelating agent; the oxidation sterilization layer comprises sodium percarbonate, potassium hydrogen peroxysulfate, potassium carbonate, sodium citrate and a stabilizer; the deep decomposition layer comprises biological enzyme. Gluconic acid-delta-lactone is adopted in the foaming cleaning layer of the multi-effect cleaning tablet to generate gluconic acid, so that the system is prevented from instantly and violently turning over, a middle-layer peroxidation system is favorably released at a proper time, invalid decomposition is reduced, strong acid or violent pH fluctuation is prevented from permeating into an inner layer, the enzyme inactivation risk is reduced, the foaming process is mild, and the foaming effect is good. And the integral integrity of the tablet can be maintained.

According to the environment-friendly cleaning agent additive and the preparation method thereof, an environment-friendly water-based cleaning agent is prepared from waste peel resources such as orange peel and pericarpium citri reticulatae by means of microbial fermentation of the waste peel resources, the waste peel resources are fully utilized, effective components are extracted through a green and environment-friendly process, the production cost is reduced, and the environment-friendly cleaning agent additive is suitable for industrial production. And the environmental pollution is also reduced. The combined use of limonene, rhamnolipid, bio-enzyme and alkaline secretions significantly enhances the decontamination effect, fully utilizes natural resources, and reduces the dependence on chemical synthesis raw materials. The prepared cleaning agent additive has efficient degreasing capacity, is environment-friendly, and meets the requirements of sustainable development.

The invention discloses a selenium-rich Chinese wolfberry nutritional agent and a preparation method thereof, and the nutritional agent is prepared from the following components in parts by mass: 20-40 parts of calcium salt, 10-50 parts of sugar alcohol, 3-7 parts of limonene, 3-7 parts of a plant essential oil additive, 3-7 parts of an alcohol solvent, 2-6 parts of a pomegranate peel extract, 1-5 parts of an acidity regulator, 1-5 parts of polysaccharide and 0.01-1 part of a selenium nutrient. And 50 to 100 parts of water. The selenium nutrient and the sugar alcohol chelating agent are combined, so that selenium and calcium nutrients can be effectively supplemented to the Chinese wolfberry, limonene and the orange peel essential oil aid are natural plant source biological pesticides, and after the limonene and the orange peel essential oil aid are added, the effect of preventing and controlling plant diseases and insect pests of the Chinese wolfberry can be achieved while the selenium nutrient is supplemented to the Chinese wolfberry. The nutritional agent is sprayed twice after being prepared according to the preparation method, the first time is sprayed in the budding and flowering period, the second time is sprayed in the fruiting period, and the spraying amount is 9 kg / mu.

The application discloses a high-efficiency paint-removing liquid, a preparation method thereof and a wet wipe, wherein the high-efficiency paint-removing liquid comprises, in terms of mass fractions, an alcohol ether solvent, N,N-dimethyl-9-decenamide, an emulsifier, a penetrating agent, a humectant, limonene and a preservative; the alcohol ether solvent is used to improve the polarity of the whole system, can soften and swell the paint film well, and reduce the adhesion of the paint film to a base material; the N,N-dimethyl-9-decenamide is used as a main surface-active paint remover, and the penetrating property of the N,N-dimethyl-9-decenamide can make the paint molecular chain break, so that the paint molecular structure is decomposed; the alcohol ether solvent and the N,N-dimethyl-9-decenamide can cooperate to make the paint layer easy to peel off; the penetrating agent is further used to enhance the emulsification and dispersion of the paint, help the softened and decomposed paint particles stably disperse in the solution, prevent the paint particles from being redeposited, and facilitate subsequent cleaning and removal; and the limonene is used as a complexing agent and cooperates with other components to realize the high-efficiency and thorough paint-removing effect.

The invention relates to a method for catalytically pyrolyzing waste tires by utilizing modified sintering ash, which comprises the following steps of: performing high-temperature heat treatment modification on the sintering ash, and performing pyrolytic reaction on the modified sintering ash and the waste tires in a reaction furnace to obtain a pyrolytic oil liquid-phase product rich in monocyclic aromatic hydrocarbon and limonene. According to the invention, the modified sintering ash is used as a catalyst, so that the yield of pyrolytic oil in the pyrolysis process of the waste tire is increased, and the content of monocyclic aromatic hydrocarbon or limonene in the pyrolytic oil is increased. In addition, Fe and Zn metals are recovered through the rotary hearth furnace. The invention provides an efficient treatment and utilization mode of the sintering ash, meanwhile, the composition of the waste tire pyrolytic oil can be effectively improved, metal resources can be recycled, good environmental benefits and economic benefits can be generated, corresponding environmental problems can be solved, and considerable economic benefits can also be brought.

The invention relates to the technical field of traditional Chinese medicine detection, in particular to a method for determining the content of various components in blumea balsamifera oil. According to the method, a gas chromatography-mass spectrometry (GC-MS) technology is adopted, and chromatographic conditions are as follows: a chromatographic column is an SH-Stabilwax (30m * 0.32 mm, and the film thickness is 0.25 [mu] m) capillary column; the temperature of a sample inlet is 230 DEG C; the split ratio is 10: 1; the sample size is 1 microliter; the mass spectrum conditions are as follows: the ion source temperature is 200 DEG C; the interface temperature is 230 DEG C; the ionization mode is electron impact ion (EI); the detection voltage is 0.2 KV; the solvent is delayed for 2 minutes; the mass number scanning range is 30 to 400 amu; and SIM mode. According to the method disclosed by the invention, the contents of alpha-pinene, camphene, beta-pinene, limonene, p-cymene, camphor, alpha-coumarin, linalool, bornyl acetate, beta-caryophyllene, myrtenal, alpha-caryophyllene, L-borneol, perillaldehyde, caryophyllene oxide, guaiacol, beta-eudesmol and xanthoxylin in the blumea balsamifera oil can be simultaneously determined; the method provided by the invention has good precision, repeatability and stability, and the quality consistency of the blumea balsamifera oil can be quickly, accurately and effectively evaluated through detection of multiple components.

The invention provides a mild refreshing borneol essential oil compound as well as a preparation method and application thereof. The borneol essential oil compound is prepared from the following components in parts by weight: 1 to 50 parts of borneol, 0.1 to 50 parts of menthol, 1 to 10 parts of natural camphor, 0.1 to 0.5 part of herba dendrobii essential oil, 35 to 70 parts of carrier oil, 0.2 to 1 part of vitamin E, 1 to 3 parts of eudesmol, 0.2 to 1 part of limonene and 0.5 to 5 parts of cinnamomum camphora essential oil clathrate compound. The borneol essential oil compound prepared by the invention has the advantages of better stability, high essential oil retention rate, freshness and durability, mild components without skin irritation, and refreshing effect, and can be applied to preparation of products such as snorting essential oil, roll-on essential oil or vehicle-mounted fragrance and the like.

A procedure for the preparation of conjugates between poly(limonene carbonate) (PLC) and cellulose was described. This method allows the attachment of polyesters on the cellulose, which makes the final conjugate a high versatile and eco-friendly medium for the manufacture of new materials. In this respect, the olefin groups of the attached PLC were utilized for their crosslinking with the support of crosslinkers like dithiols. A further example of the adaptability of the functionalized cellulose with PLC was its incorporation into a commercially available matrix like divinylbenzene (DVB) in order to produce composite materials.

The invention discloses a specific luring composition for female adult tomato leaf miner as well as preparation and application thereof, and relates to the technical field of agricultural pest control, the active ingredients of the luring composition comprise limonene, terpinene, E-beta-caryophyllene and octadecane, and the weight ratio of the limonene to the terpinene to the E-beta-caryophyllene to the octadecane is 5: 3: 2: (1-5). The invention also provides a preparation method of the composition, which comprises the following steps: diluting the components with a solvent, mixing according to a ratio, and loading on a slow-release carrier such as a natural desulfurized rubber plug to prepare the lure. The trapping composition shows strong specific trapping activity to female adult tomato leaf miners, can be effectively used for trapping, monitoring and green prevention and control of female insects in the field, and has the advantages of being specific in effect, environmentally friendly, easy and convenient to prepare and the like.

The invention discloses a peach ketone synthesis method, which relates to the technical field of essence and perfume synthesis, and comprises the following steps: adding cyclopentanone and glacial acetic acid into a reaction container, starting stirring, adding manganese acetate (II) and cobalt acetate (II), and then adding acetic anhydride; introducing dried air below the liquid level, heating to 80-100 DEG C, dropwise adding D-limonene, and carrying out a heat preservation reaction after dropwise adding is finished; gC monitors the reaction endpoint, and the reaction is stopped when the product purity of the reaction liquid is not increased any more; after the reaction is finished, filtering, carrying out reduced pressure distillation to recover cyclopentanone, glacial acetic acid and unreacted D-limonene, after the recovery is finished, adding methanol and n-heptane into kettle liquid, carrying out water extraction, washing and liquid separation, washing an organic phase with a sodium bicarbonate aqueous solution, carrying out reduced pressure distillation on the organic phase to recover n-heptane, and after the recovery is finished, obtaining a peach ketone crude product; and carrying out crude drawing and rectification on the peach ketone crude product to obtain a peach ketone finished product. The method has the advantages of mild reaction conditions, low safety risk and few three wastes, and can obtain a high-purity peach ketone finished product.

The invention relates to a synthesis method of a limonene epoxidation reaction catalytic material based on light-enzyme synergy, which comprises the following steps: 1) preparing an aqueous solution containing zinc nitrate hexahydrate and CALB, and recording the aqueous solution as a solution A; preparing an aqueous solution containing 2-methylimidazole and sodium anthraquinone sulfonate (SAS), and recording the aqueous solution as a solution B; and 2) mixing the solution A and the solution B, reacting at a certain temperature for a certain time, carrying out solid-liquid separation after the reaction is finished, and washing and drying the solid to obtain the product. The catalyst is used for preparing 1, 2-epoxy limonene through limonene epoxidation, the reaction condition is milder, and the reaction efficiency is higher; the limonene conversion rate is as high as 91%, the selectivity of the product 1, 2-epoxy limonene is as high as 95%, the performance is stable, and the pH tolerance is strong.

The application relates to the technical field of paper wet strength agent, and discloses a high-solid-content wet strength agent and a preparation method thereof. The preparation method comprises the following steps: reacting a dibasic acid and a dibasic amine under the action of an acid catalyst to obtain a polyamide prepolymer; after the polyamide prepolymer is cooled, deionized water is added to adjust the solid content, then allyl glycidyl ether, limonene, organic modified montmorillonite and an initiator are added, and a polyamide intermediate is obtained through reaction; the polyamide intermediate is cooled to room temperature, and epichlorohydrin is added dropwise, and after reaction at room temperature, the temperature is increased for reaction, and the solid content is adjusted, and the high-solid-content wet strength agent is obtained. After the limonene in the wet strength agent is grafted, hydrophobic microzones are formed in the polymer network, the combination and penetration capacity of water molecules, paper fibers and the wet strength agent can be reduced, the wet resistance and wet strength of paper can be improved, and the organic modified montmorillonite can form synergy with the hydrophobic microzones constructed by the limonene, so that the wet strength and wet resistance of the wet strength agent are further improved.

The invention provides a laver seasoning base material as well as a preparation method and application thereof. In the preparation method, pectinase, cellulase and amylase are used for extraction in enzyme-assisted extraction, and protease and flavourzyme are used for conversion in flavor conversion. The laver seasoning base material prepared by the preparation method contains GGGTIGHPD, IGY, SFY, FYA, IAGF and IGGIF which are formed by enzymatic conversion and have small molecule peptides capable of enhancing flavor and improving oxidation resistance; the laver beverage is rich in laver oligosaccharide, algal peptide, flavor amino acid and taurine; the invention relates to the technical field of chemical engineering, in particular to a limonene and thiophene-3-ketone compound which is rich in limonene, thiophene-3-ketone, ethyl acetate, 2-hexenol, butyl acetate, dihydro-2-methyl-3-(2H)-furanone, 2, 6-dimethylpyrazine, 2-pentylfuran, 2-hexenal, benzaldehyde, 2, 3-octanedione and beta-ionone. According to the preparation method disclosed by the invention, full-effect utilization of nutrition and flavor components of the laver can be realized, and the prepared laver seasoning base material is delicious in taste, rich in nutrition, strong in flavor and clear in solution and can be quickly dissolved in water; the product can be used as various instant soup bases, cooking seasonings and even making base materials of various foods, and has good market application prospects.

The invention belongs to the technical field of plant protection, and relates to a rice leaf roller prevention and control technology, in particular to a trichogramma japonicum attractant and application thereof. The attractant is a solution containing an effective component, the effective component contains D-limonene, and the solvent is selected from one or more of dichloromethane, normal hexane and acetone. The trichogramma japonicum attractant is directly sprayed in a rice field or prepared into a lure, and the lure is placed in the rice field to release D-limonene to lure trichogramma japonicum; the trichogramma japonicum can parasitize eggs of the cnaphalocrocis medinalis to stop growth of the cnaphalocrocis medinalis when the cnaphalocrocis medinalis is damaged by the cnaphalocrocis medinalis. The application of the attractant can effectively improve the control efficiency of pests, and the attractant is green, environmentally friendly and easy to popularize.

The invention discloses a self-repairing flexible supercapacitor based on double dynamic bonds and a preparation method thereof, and the method comprises the steps: taking limonene (LIM) and lipoic acid (LA) as monomers, and carrying out one-pot polymerization to form a three-dimensional porous gel network P (LA-LIM) based on the synergistic effect of double dynamic bonds of hydrogen bonds and disulfide bonds; the multifunctional polymer gel P (LA-LIM)-IL with good flexibility, self-healing property and ionic conductivity is prepared by further introducing ionic liquid (ILs), and the flexible symmetric supercapacitor assembled by taking nitrogen-doped porous carbon (N-C) as an electrode shows excellent self-repairing property and environmental adaptability. The method is simple and convenient in process and low in cost, and has important practical value in the field of flexible energy storage devices.

This invention discloses a multi-target synergistic preservation method for fruits and vegetables based on the active ingredients of Torreya grandis aril, belonging to the field of fruit and vegetable preservation technology. The method includes the following steps: Step 1: Using Torreya grandis aril as raw material, Torreya grandis aril essential oil is extracted by steam distillation. This multi-target synergistic preservation method for fruits and vegetables based on the active ingredients of Torreya grandis aril combines four active ingredients—3-carene, D-limonene, δ-juniperol, and δ-juniperene—from the Torreya grandis aril essential oil with chitosan to construct an integrated synergistic preservation system of "antioxidant—enzyme inhibition—film protection—antibacterial action." This system protects the integrity of fruit cell membranes and delays softening and water loss, thereby overcoming the shortcomings of existing technologies that are single-function and unstable in effect. It achieves precise, multi-target intervention across the entire chain of postharvest physiological decline in perishable fruits and vegetables.