56 results about "Pinene" patented technology

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 belongs to the technical field of plant genetic engineering, and particularly relates to a promoter of a pinus massoniana terpene synthase gene Pm TPS (-)-alpha-pinene and application of the promoter. According to the invention, a promoter fragment of a Pm TPS (-)-alpha-pinene gene and three homeopathic action elements with jasmonic acid response on the promoter fragment are obtained from pinus massoniana. A complete promoter fragment of the Pm TPS (-)-alpha-pinene gene of the pinus massoniana is transformed into arabidopsis thaliana by means of agrobacterium mediation, and the promoter can drive expression of a GUS gene in leaves of the arabidopsis thaliana or nicotiana benthamiana. GUS staining and GUS enzyme activity of transgenic Bensi tobacco leaves are reduced along with deletion of jasmonic acid response cis-acting elements on the promoter. Furthermore, the yield of pine resin terpenoids can be increased by utilizing the promoter and the homeopathic element thereof.

A pest control composition includes from about 4 wt % to about 10 wt % of sodium lauryl sulfate; one or more C5 to C9 hydrotropic salt; from about 1 wt % to about 10 wt % of one or more active ingredients selected from the group consisting of corn mint oil, peppermint oil, spearmint oil, rosemary oil, thyme oil, citronella oil, clove oil, cedarwood oil, cinnamon oil, geranium oil, eugenol, 2-phenylethyl propionate, menthol, menthone, thymol, carvone, camphor, methyl salicylate, p-cymene, linalool, geraniol, cinnamyl acetate, cinnamic alcohol, cinnamaldehyde, citronellol, eucalyptol / 1,8-cineole, alpha-pinene, bornyl acetate, gamma-terpinene, and combinations thereof; and from about 60 wt % to about 95 wt % of water. The pest control composition exhibits a water peak in a 2H spectrum having a width encompassing 90% of the area of the entire water signal of about 50 Hz or more, as determined by the 2H NMR Method.

The invention discloses a pinene synthase mutant and application thereof in pinene production, and belongs to the technical field of bioengineering. Isoleucine at the 409th site of pinene synthase is mutated into valine, phenylalanine at the 443rd site of pinene synthase is mutated into alanine, overexpression is carried out in serratia marcescens (HBQA7), and an engineering strain ST17 is constructed. Under the condition of shake flask fermentation, the pinene yield of the engineering strain ST17 reaches 0.80 g / L; the yield is obviously increased to 43.2 g / L through amplification culture in a 30 L fermentation tank. The invention provides an efficient, economic and environment-friendly novel method for industrial biosynthesis of pinene.

The application discloses application of alpha-pinene and citral in combination in luring Spodoptera frugiperda, and belongs to the technical field of biological control. The application determines habitat selection and oviposition selection preference of Spodoptera frugiperda on different host plants, collects volatiles of nine kinds of host plants preferred by Spodoptera frugiperda by using a dynamic headspace method, and successfully screens out alpha-pinene and citral combination with good luring effect on female and male adult Spodoptera frugiperda by means of GC-MS technology, indoor behavior selection experiment and semi-field verification. Alpha-pinene and citral both belong to natural plant volatiles, and have the characteristics of easy acquisition, low cost, environmental friendliness and the like, and can serve as background materials or combined components of efficient luring agents of Spodoptera frugiperda. The application can effectively promote the construction and improvement of green control technology of Spodoptera frugiperda, and provides a new and effective tool for Spodoptera frugiperda control work.

The invention discloses a high-capacity aromatic pinene formaldehyde adsorbent and a preparation method thereof, the adsorbent comprises a meso-porous silicon substrate, pinene covalently grafted on the meso-porous silicon substrate and metal ions doped in the meso-porous silicon substrate, pinene is alpha-pinene or beta-pinene, the pinene and hydroxyl contained in the meso-porous silicon substrate form a covalent bond through a silane coupling agent, and the metal ions are doped in the meso-porous silicon substrate. The grafting amount of pinene is 5-15 wt%, the metal ions are one or more of Zn < 2 + >, Cu < 2 + > and Ni < 2 + > and exist in the form of metal oxides or metal hydroxylates, and the doping amount of the metal ions is 0.5-3 wt%.

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.

Methods and systems for recovering terpenes and controlling the composition of terpenes collected from wood drying processes are provided. In particular, a sorbent having adsorbed materials, including terpenes, from a wood drying process can be desorbed in a desorber, resulting in a gaseous stream containing terpenes, which can be condensed and collected from the gaseous stream. The conditions of desorption can be controlled to ensure a desirable amount of alpha-pinene and beta-pinene relative to other terpenes, such as dipentene and camphene, in the collected terpenes.

The invention relates to the technical field of organic photoelectric functional materials, and discloses a full-conjugate carbazolyl pinene chiral tetradentate platinum (II) or palladium (II) complex phosphorescent material as well as a preparation method and application thereof. According to the tetradentate platinum (II) or palladium (II) phosphorescent material disclosed by the invention, a pinene structure with large stereo steric hindrance, a donor carbazolyl structure derivative with anions and different acceptor structure units are introduced, so that the tetradentate platinum (II) or palladium (II) phosphorescent material has a large conjugate plane and a high conjugation degree, and an aggregation state-induced emission enhancement effect is realized; according to the palladium (II) complex phosphorescent material disclosed by the invention, the concentration quenching effect and exciton annihilation caused by long service life are effectively inhibited, and the photoluminescence quantum efficiency of the palladium (II) complex phosphorescent material is improved to the greatest extent, so that the phosphorescent quantum yield of the material is remarkably improved, and the piezo-chromic red shift effect is also realized; the vapor deposition method under specific conditions is applied to the luminescent layer of the electroluminescent device, and has great potential in the aspects of recording, data storage, sensors and the like.

The invention belongs to the technical field of food attractants, and particularly relates to a dichocrocis punctiferalis food attractant. The invention relates to a food attractant. The food attractant is prepared from alpha-pinene oxide, methyl glucoside caprylate and leaf acetate according to the mass ratio of 1: (1-3): (1-5). According to the food attractant for dichocrocis punctiferalis disclosed by the invention, the specific components alpha-pinene oxide, methyl glucoside caprylate and leaf acetate are combined and proportioned, and the alpha-pinene oxide, the methyl glucoside caprylate and the leaf acetate respectively play roles in three links of smell attraction, nutritional requirements and host recognition, and are mutually promoted and complemented and synergistic, so that the attraction, attraction and gathering effects of the food attractant on dichocrocis punctiferalis adults are improved; the trapping and killing effect can be greatly optimized, powerful support is provided for green and efficient prevention and control of dichocrocis punctiferalis, agricultural production loss can be reduced, and the quality of agricultural products and agricultural ecological safety are guaranteed.

This invention relates to the field of grain storage technology, and in particular to a natural plant essential oil insecticide composition, its preparation method, and its application. The natural plant essential oil insecticide composition comprises a main active ingredient and co-active ingredients. The main active ingredient includes cinnamaldehyde, allyl isothiocyanate, and cuminaldehyde. The co-active ingredients include 1,8-cineole, β-phellandrene, γ-terpinene, p-cymene, eugenol, α-pinene, linalool, and limonene. By volume percentage, the insecticide composition contains: cinnamaldehyde 15-40%, allyl isothiocyanate 20-40%, and cuminaldehyde 0.5-16.5%. The insecticide composition provided by this invention is made from natural plant essential oils, is stable, safe, environmentally friendly, does not pollute grains, and has an aromatic odor. It has a strong insecticidal effect on pests such as rice weevils in grains and has good application prospects in the field of grain storage.

The application discloses a pinene analogue containing an ester group and preparation and application thereof, and belongs to the field of agricultural chemicals. The pinene analogue containing the ester group provided by the application has a structural formula as shown in formula I: the application obtains a pinene analogue containing an ester group by esterification modification of an aphid alarm pheromone pinene; through biological activity research, it is found that the compound has double functions of repelling aphids and attracting natural enemies of the aphids, and has a good application prospect in green prevention and control of the aphids.

The invention discloses a polyamido pinene formaldehyde adsorbent and a preparation method thereof, the method comprises the following steps: S1, adding carbon tetrachloride into alpha-pinene, stirring at 0 DEG C, dropwise adding liquid bromine, reacting for a certain time, then washing to remove residual liquid bromine, and performing rotary evaporation to remove carbon tetrachloride to obtain 2, 6-dibromocamphane; s2, dropwise adding m-phenylenediamine into the 2, 6-dibromocamphane, reacting for a certain time at 30 DEG C, and then removing residual m-phenylenediamine by rotary evaporation to obtain polyaminophenene; and S3, loading the polyamido pinene on the base material to obtain the polyamido pinene formaldehyde adsorbent.

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.

The invention discloses a liquid petroleum resin preparation method and an obtained product, isoamylene, alpha-methyl styrene and alpha-pinene are uniformly mixed to obtain a mixed solution; adding a supported Friedel-Crafts catalyst into a part of the mixed solution, then adjusting the temperature and dropwise adding the C5 fraction and the residual mixed solution at the same time, carrying out a first-stage heat preservation reaction after dropwise adding, and then heating to carry out a second-stage heat preservation reaction, so as to obtain a reaction solution; and carrying out post-treatment on the reaction liquid to obtain the product. The preparation method of the liquid petroleum resin is improved, the high-quality liquid petroleum resin which is appropriate in softening point, narrow in relative molecular mass distribution and low in chroma can be prepared, meanwhile, the production process is simplified, energy consumption is reduced, pollutant emission is reduced, the requirements of industrial production and environmental protection are met, and the method is suitable for industrial production. The method has important practical significance and market value.

The present application relates to a kind of forest protection technical field, and is to solve the problem that there is no plant source attractant for effectively controlling the northern hairy chestnut bark beetle in the prior art.The active component of the attractant of the present application is composed of one or more of a-pinene, beta-caryophyllene and aggregation pheromone (S) -(-) - Ipsenol, (S) - (+) - Ipsidienol, and the mass fraction ratio of active component is (0.01-0.1) :(0.03-0.3) :(0.05-0.3) :(0.02-0.5).The carrier loaded with the attractant is placed in the trap and hung in the area where the northern hairy chestnut bark beetle occurs or may occur, 1.8 m away from the ground, to trap the northern hairy chestnut bark beetle.The attractant of the present application is applied to insect situation prediction and prediction, and a large number of trapping, to achieve the ideal effect of green prevention and control of the northern hairy chestnut bark beetle in the hazel garden.

The invention discloses a tomato leaf miner behavior regulating agent and a screening method and application thereof, and relates to the technical field of agricultural pest control, and the active ingredients of the behavior regulating agent are any one or more of limonene, E-beta-caryophyllene and terpinene. The screening method comprises the following steps: screening volatile matters with high affinity with a tomato leaf miner olfaction receptor from a tomato volatile matter library through a molecular docking technology, and carrying out biological activity verification in combination with an electroantennal potential experiment and a Y-type olfactometer behavior experiment, so as to accurately obtain the component with remarkable attraction activity. The behavior regulating agent can be used for preparing an attractant and is applied to green prevention and control of tomato leaf miners. According to the invention, efficient screening from a molecular mechanism to a behavior effect is realized, and a new product and technical support are provided for targeted prevention and control.

The present invention provides a distilled spirit having an orange aroma, and a method for producing the same. [Solution] In a distilled spirit, an extract of juniper berry fruit is added, and the concentration of myrcene per 100 v / v% alcohol concentration is adjusted to 30 ppm or more, the concentration of limonene per 100 v / v% alcohol concentration is adjusted to 15 ppm or more, the concentration of α-pinene per 100 v / v% alcohol concentration is adjusted to 65 ppm or less, and the concentration of terpinen-4-ol per 100 v / v% alcohol concentration is adjusted to 25 ppm or less.

This application provides a catalyst for the epoxidation of pinene and a method for preparing 2,3-epoxypinane. The catalyst comprises a peroxypolytungstate quaternary ammonium salt, wherein the peroxypolytungstate quaternary ammonium salt is selected from A3[PW4O] 24 ]、A2[SeW2O 14 ]、A3[AsW4O 24 ]、A3[(OH)SiW3O 18 ] and A2[SW2O 14 One or more of the following, wherein A is an organic quaternary ammonium salt cation with 8 to 24 carbon atoms. This catalyst can significantly improve the reaction rate, conversion and selectivity of α-pinene epoxidation to 2,3-epoxypinene.

This invention discloses a method for preparing camphor root volatile oil, which is used for anti-oxidation, anti-aspergillus flavus, and inhibition of aflatoxin synthesis. The camphor root volatile oil of this invention is extracted by steam distillation, with a maximum volatile oil content of 3.34%. Gas chromatography-mass spectrometry analysis of the chemical composition of the camphor root volatile oil confirmed that the main components include camphor, 1,8-cineole, linalool, α-pinene, and sapinene. When applied to inhibit the growth and toxin production of Aspergillus flavus, a volatile oil concentration of 3 μL / mL completely inhibits aflatoxin production. This volatile oil also possesses antioxidant activity, with a half-maximal inhibitory concentration (IC50) for scavenging ABTS free radicals. 50 Below DPPH radicals, its lowest IC50 value is... 50 The values ​​were 0.6115±0.4240 mg / mL and 1.7658±0.2488 mg / mL, respectively. This volatile oil can also inhibit and control Aspergillus flavus contamination in Job's tears, and has application value in the food and health industries.

Heat transfer compositions, and systems and methods using the composition, comprising: (a) a refrigerant comprising at least about 30% by weight based on all refrigerant components of trans-1-chloro-3,3,3-trifluoropropene (HFCO-1233zd(E)); and at least one compound inhibiting isomerization of said trans-1-chloro-3,3,3-trifluoropropene (HFCO-1233zd(E)) to cis-1-chloro-3,3,3-trifluoropropene (HFCO-1233zd(Z)), said at least one compound being selected from the group consisting of d-limonene, 2,6-diisopropyl naphthalene, β-pinene, farnesene, α-terpinene and combinations of two or more of these.

A fungicidal composition according to present disclosure comprises an essential oil derived from Pistacia atlantica including alpha-pinene, at least one surfactant, and at least one fatty acid. The composition is effective in rupturing fungal cell walls and demonstrates efficacy against multiple fungi. The composition may be formulated as an emulsion suitable for spray application. A method of preparation, involving extraction of the essential oil and mixing with surfactants and fatty acids, is also disclosed. The disclosed fungicidal composition eliminates the requirement for a preharvest interval (PHI).

The invention belongs to the technical field of polyether polyol synthesis, and particularly relates to bio-based high-strength polyether ester polyol and a preparation method thereof. The bio-based high-strength polyether ester polyol is prepared from the following raw materials: micromolecular polyol, a catalyst, a bio-based epoxide and a bio-based phenyl ester compound, the bio-based epoxide is one or more of limonene epoxide, alpha-pinene oxide and caryophyllene oxide; the bio-based phenyl ester compound is one or two of benzyl benzoate and benzyl cinnamate. The raw materials can be extracted from natural plants, full bio-based polyether ester polyol is realized, dependence on fossil resources is more thoroughly reduced from the source, a large number of cyclic and benzene ring structures are introduced into polyol molecules, and the obtained product is applied to the field of rigid polyurethane foam plastics and has a wide application prospect. The content of rigid groups in a molecular chain structure is increased, and compared with traditional polyether polyol, the strength of rigid polyurethane foam can be greatly improved.

To provide a distilled spirit with an enhanced rosemary flavor, and a method for producing the same. [Solution] In a distilled spirit, an extract of juniper berry seeds is added, along with terpinen-4-ol and β-pinene, and the ratio of the concentration of terpinen-4-ol to the concentration of β-pinene is adjusted to 4.5 or higher.

The invention belongs to the technical field of insect pest prevention and control, and particularly relates to application of a plant volatile matter to prevention and control of flower thrips, and the plant volatile matter comprises perillaldehyde and / or beta-pinene. Perillaldehyde and / or beta-pinene are / is separated from an aromatic plant perilla frutescens, has a remarkable repelling effect on the flower thrips, has a function of inducing natural enemies of the perilla frutescens, can effectively prevent and control the flower thrips, provides a scientific basis for a green prevention and control strategy of the flower thrips, development of plant-derived repellents and application of an ecological regulation and control technology, and has a wide application prospect. And the method has a relatively high application value.

The invention discloses a production process of high-purity camphorsulfonic acid, which comprises the following steps of: isomerizing alpha-pinene serving as a raw material into camphene under the catalysis of zirconium dioxide modified composite carbon-based solid acid, esterifying the camphene with anhydrous oxalic acid to generate oxalic acid dibornyl ester, and converting the oxalic acid dibornyl ester into isoborneol through alcoholysis. Carrying out hydrodeoxygenation on the isoborneol under the action of a Pd / C catalyst to generate camphor, and sulfonating the camphor to obtain a crude product; and continuously splitting through a simulated moving bed chromatography technology to obtain high-purity L-camphorsulfonic acid and D-camphorsulfonic acid finished products. According to the invention, waste eucalyptus powder and bamboo sawdust powder are taken as raw materials, alkali treatment and microwave activation are carried out to prepare a composite carbon carrier with a high specific surface area, zirconium dioxide nanoparticles are loaded, a solid acid catalyst with bifunctional catalytic sites is constructed, and efficient catalysis and cyclic utilization are realized. The continuous and high-purity separation of the chiral enantiomers is realized by utilizing the simulated moving bed chromatography technology, and the production efficiency and the product quality are remarkably improved.

This invention discloses a compound with a (9β-H)-pinene core that inhibits weed growth, its preparation method, and its applications. In this invention, the ethanol extract of the tuberous part of *Cornus mansoni* is purified by macroporous resin column chromatography, followed by recrystallization and C244-distillation. 18 Gradient elution was performed using reversed-phase medium-pressure column chromatography; finally, its chemical structure was identified by methods such as proton NMR, carbon NMR, and comparison with literature data. The compound icacenone in this invention exhibits significant inhibitory effects on the root growth of Arabidopsis thaliana, barnyard grass, and foxtail grass, while remaining safe for the growth of rice and Job's tears, making it a potential pesticide formulation for developing biological herbicides.

The invention relates to the field of microorganisms, in particular to a novel streptomyces strain capable of producing volatile antibacterial substances and application of the novel streptomyces strain. The streptomyces strain AMJ-169 related to the invention is identified as a new streptomyces strain, and also has obvious inhibitory activity on strawberry anthracnose pathogen, cucumber fusarium wilt pathogen, botrytis cinerea and the like. Volatile organic compounds generated by the strain AMJ-169 have remarkable inhibitory activity on papaya colletotrichum gloeosporioides, mango colletotrichum gloeosporioides, banana colletotrichum gloeosporioides and The volatile organic compounds and the volatile compounds thereof also have inhibitory activity on a variety of plant pathogens. The levorotatory-alpha-pinene can effectively reduce the scab diameter of strawberry anthracnose on strawberry fruits, and has significant inhibitory activity on strawberry anthracnose. The new streptomyces strain and the volatile antibacterial substance generated by the streptomyces strain provide a new way for biological prevention and control of strawberry anthracnose, and have wide development space and development and application prospects.

The invention discloses a preparation method of bonding wax for precision investment casting, and relates to the technical field of bonding wax. The preparation method of the bonding wax for precision investment casting comprises the following steps: performing polymerization reaction on a mixed monomer compounded from alpha-pinene and styrene in a low-temperature environment under the action of an immobilized chloroaluminate ionic liquid catalyst to form a polymer skeleton with a regular main chain and uniform molecular weight distribution, and subsequently adding phenol for reaction to obtain the bonding wax for precision investment casting. A phenolic hydroxyl active group is further introduced, so that the interaction of the resin with a wax matrix and a casting base material is enhanced; under the segmented hydrogenation process, the bimetallic catalyst can perform saturation treatment on the main chain of the resin, so that unsaturated bonds are reduced, and the thermal stability and aging resistance of the resin are improved.

This invention discloses a method for the continuous co-production and extraction of essential oil and flavonoids from Torreya grandis aril, achieving full resource utilization. It belongs to the technical fields of agricultural and forestry waste resource utilization, green extraction of natural products, and preparation of daily chemical products. Using Torreya grandis aril as raw material, the process involves steam explosion pretreatment, one-step simultaneous extraction with subcritical water, essential oil separation and purification, and flavonoid enrichment and refining. The extraction residue is dried, pulverized, and compounded to prepare natural antibacterial mosquito repellent incense and sanitary incense, achieving zero waste across all components. This process uses pure water as the sole extraction medium, leaving no organic solvent residue. The essential oil yield is ≥0.45%, α-pinene content is ≥60%, flavonoid extraction rate is ≥85%, and residue utilization is 100%. The process is shortened by more than 60%, energy consumption is reduced by 40%, and the process is highly continuous with significant added value. It can be used in cosmetics, food flavorings, antioxidant health products, and natural mosquito repellent daily chemical products, and is suitable for large-scale industrial application.