21 results about "Ocimene" patented technology

The invention discloses a traditional Chinese medicine combination effective part capable of improving diabetic peripheral neuropathy. The traditional Chinese medicine combination effective part is prepared from a volatile oil effective part, a water-soluble effective part and an alcohol-soluble effective part, the effective part of the volatile oil comprises alpha-ocimene, alpha-santalene, bisabolol, beta-bisabolol and nerolidol; the water-soluble effective part comprises salvianolic acid A, salvianolic acid B and tanshinol; the alcohol-soluble effective part is prepared from Z-ligustilide, alpha-masticinic acid, beta-masticinic acid, tanshinone IIA, and 2-methoxy-5-acetyl-furangermacane-1 (10)-ene-6-ketone, and the alcohol-soluble effective part is prepared from the following raw materials in parts by weight: 2-methoxy-5-acetyl-furangermacane-1 (10)-ene-6-ketone. The traditional Chinese medicine composition effective part provided by the invention can regulate blood sugar, improve the conduction speed of sciatic nerves, repair damaged tissues, inhibit oxidative stress reaction, resist inflammation and relieve pain, so that the diabetic peripheral neuropathy is improved, the curative effect is reliable, the safety is good, the adverse reaction is low, and the traditional Chinese medicine composition effective part can be used for preparing a medicinal preparation for improving the diabetic peripheral neuropathy.

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 invention relates to the technical field of analysis and detection, in particular to an electrochemical gas sensor for detecting ocimene and a preparation method of the electrochemical gas sensor. The preparation method comprises the following steps: dispersing multi-walled carbon nanotubes in a ZnO nanoparticle solution, and then coating the surface of an electrode with the ZnO nanoparticle solution to prepare a composite material modified electrode; then ocimene template molecules and acrylamide functional monomers are dispersed in an alcohol solvent, polymerization reaction is performed under the action of a cross-linking agent and an initiator, and a molecularly imprinted polymer solution is prepared; and finally, coating the surface of the electrode modified by the composite material with a molecularly imprinted polymer solution, and eluting template molecules to obtain the electrochemical gas sensor. The sensor can sensitively and accurately detect the content of ocimene gas released in plants, and realizes high-specificity and high-sensitivity stable and accurate detection of ocimene in a complex environment. The invention provides important theoretical basis and technical support for cultivating high-quality crops, and assists the innovative development of the field of crop breeding.

The present invention relates to a composition comprising delta-9-tetrahydrocannabinol (THC), alpha-bisabolol, guaiol, beta-caryophyllene and at least one terpene selected from the group consisting of linalool, alpha-humulene, nerolidol, caryophyllene oxide, alpha-pinene, camphene, beta-pinene, beta-myrcene, limonene, eucalyptol, ocimene, gamma-terpinene, terpinolene, alpha-terpinene, para-cymene, isopulegol and geraniol. The invention also relates to a pharmaceutical formulation comprising such composition. The pharmaceutical formulation according to the present invention may be used in medicine, specifically in the treatment and / or prevention of diseases associated with pain such as chronic cancer pain, somatic pain, visceral pain, central neuropathic pain, peripheral neuropathic pain or complex pain syndromes.

The invention discloses a facultative anaerobic bacillus altitudinis strain and an application thereof in tobacco, the facultative anaerobic bacillus altitudinis strain ZY02-1 is classified and named as Bacillus altitudinis, the strain is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.33916. The invention further discloses a preparation method of the facultative anaerobic bacillus altitudinis strain. The strain is a facultative anaerobic bacterium, can be fermented under two conditions of an aerobic environment and an anaerobic environment, can promote combined nicotine to be converted into free nicotine in a low-oxygen environment, increases the nicotine content of tobacco stems, effectively accelerates decomposition of aroma precursors such as polyphenols and terpenes in the tobacco stems, effectively increases aroma substances of the tobacco stems, and has the advantages of high yield, high yield and the like before re-drying. The bacillus altitudinis ZY02-1 is applied to moisture regaining tobacco stems for stacking fermentation, offensive odor of the fermented tobacco stems is reduced, aroma quality, aroma quantity and concentration are improved, nicotine, megastigmatrienone, geraniol and alpha-pinene are remarkably increased, and aroma components such as alpha-cedrene and ocimene are added.

The present invention discloses an isotactic cis-1,4-polyocimene, a preparation method, and an application thereof, belonging to the technical field of olefin polymer preparation. The present invention provides a novel isotactic cis-1,4-poly-β-ocimene, wherein the cis-1,4-structure content is ≥95% and the isotactic structure content is ≥90% (mm). Simultaneously, the present invention provides a rare earth catalyst system with high isotactic cis-1,4-structure selectivity for the polymerization of β-ocimene monomers, with the cis-1,4-selectivity reaching a maximum of greater than 99% and the isotactic selectivity reaching a maximum of greater than 99% (mm).

The present invention discloses a vermilion hairy moth attractant composition and application. The active substances of the composition are composed of 1 to 10 μg / μL of cis-9-hexadecenal, 10 to 100 μg / μL of (Z,Z,Z)-9,12,15-octadecatrienal, 10 to 100 μg / μL of (-)-α-pinene, 10 to 100 μg / μL of β-myrcene, 10 to 100 μg / μL of β-ocimene, and 1 to 100 μg / μL of β-caryophyllene. The active substances can be further obtained by using paraffin as a solvent to obtain an attractant. The attractant has a significant attracting effect, is used in a small amount, is easy to use, and has a strong target property. The attractant can be simultaneously applied to the vermilion hairy moth prevention and control and population dynamics monitoring, and is of great significance for the research and development of new technologies for the green prevention and control of the vermilion hairy moth.

The invention discloses a key gene NtOS for controlling ocimene biosynthesis in tobacco and application of the key gene NtOS. The nucleotide sequence of the key gene NtOS for controlling ocimene biosynthesis in tobacco comprises a sequence as shown in SEQ ID No. 1, and the coded amino acid sequence comprises a sequence as shown in SEQ ID No. 2. The NtOS gene is transformed into tobacco through amplification, enzyme digestion, expression vector construction and agrobacterium infection, the ocimene release amount of an obtained NtOS gene transformed tobacco plant is remarkably increased, it is proved that the NtOS gene is a key gene for controlling ocimene biosynthesis, the function identification of the tobacco NtOS gene enriches the gene resources of tobacco quality breeding, and the tobacco NtOS gene has a wide application prospect. The method has important theoretical significance and application value.

The application relates to the technical field of analytical detection, in particular to an electrochemical gas sensor for detecting limonene and a preparation method thereof. The preparation method is as follows: multi-walled carbon nanotubes are dispersed in a ZnO nanoparticle solution, and then a composite material modified electrode is prepared by coating the multi-walled carbon nanotubes on the surface of the electrode; then, limonene template molecules and acrylamide functional monomers are dispersed in an alcohol solvent, and a polymer solution is prepared by polymerization under the action of a crosslinking agent and an initiator; finally, the polymer solution is coated on the surface of the composite material modified electrode, and the electrochemical gas sensor is prepared after eluting the template molecules. The sensor can sensitively and accurately detect the content of limonene gas released by plants, realizes stable and accurate detection of limonene in a complex environment with high specificity and high sensitivity, and provides important theoretical basis and technical support for cultivating high-quality crops and helps the innovative development of the field of crop breeding.

The invention belongs to the technical field of organic synthesis, and particularly discloses a preparation method of ocimene, which comprises the following steps: uniformly mixing alpha-pinene and a high-boiling-point solvent, preheating through a preheater, then pumping into a fixed bed reactor filled with a Ga-ZSM-5 molecular sieve catalyst at a certain flow rate for isomerization reaction, and separating and purifying to obtain the ocimene. And after the reaction, cooling by a cooler to obtain a reaction crude product, and rectifying the crude product to obtain ocimene and alloocimene. According to the method, the aprotic high-boiling-point solvent and the Ga-ZSM-5 molecular sieve are adopted as catalysts, conversion of alpha-pinene to limonene can be reduced, meanwhile, side reactions are effectively reduced, and the selectivity of ocimene is improved. The catalyst is long in service life and can be regenerated after being inactivated, the raw material conversion per pass is high, the ocimene selectivity is good, and a certain foundation is laid for industrial production of ocimene.

The application provides a Chinese trichopoda japonica attractant and a preparation method and application thereof, and belongs to the technical field of biological pest control. The active ingredient of the Chinese trichopoda japonica attractant is composed of volatile substances of potentilla chinensis, and the volatile substances include (Z)-3-hexen-1-ol 10-15 parts, gamma-terpinene 10-20 parts, trans-beta-myrcene 60-70 parts and nerolidol 0.5-1 part in volume fraction. The Chinese trichopoda japonica attractant as the effective component is combined with a diluent to further obtain an attractant preparation. The volatile substances in the potentilla chinensis are used to perform olfactory behavior response on the Chinese trichopoda japonica and are applied, the obtained attractant or attractant preparation has obvious attracting effect, is harmless to other natural enemies and is environment-friendly, and provides a new reference means for biological control.

The invention relates to a process for preparing a polyisoolefin homo- or copolymer, preferably selected from butyl rubber, polyisobutylene and poly(isobutylene-co-para methyl styrene), the process comprising the step of polymerizing at least one isoolefin monomer and optionally at least one copolymerizable monomer, preferably multiolefin monomer, in the presence of a preformed polymeric stabilizer. The preformed polymeric stabilizer comprises repeating units derived from styrene and repeating units having pendant linear or branched saturated alkyl groups with at least 3 carbon atoms. Preferably, the repeating units with the pendant alkyl groups are derived from monoterpenes, especially myrcene or ocimene, or sesquiterpenes, especially farnesene, and subsequently hydrogenated. The preformed polymeric stabilizer advantageously stabilizes the slurry of the polyisoolefin homo- or copolymer, preferably selected from butyl rubber, polyisobutylene and poly(isobutylene-co-para methyl styrene), that is formed during polymerization in a solvent.

The invention relates to the technical field of intelligent monitoring, in particular to a tea tree disease and insect pest monitoring method based on machine learning fused with a gas sensor array. Volatile substances such as leaf alcohol, phenethyl alcohol, capraldehyde, linalool, farnesene, ocimene, geraniol, n-caprylic alcohol, benzaldehyde and leaf acetate are monitored respectively. By adjusting the working temperature of the sensor, multiple groups of sensor response data are collected, and the data are preprocessed. By comparing the combination of different dimensionality reduction methods and classification models such as a support vector machine and a convolutional neural network, optimizing the model performance by using cross validation and hyper-parameter tuning, selecting an optimal classification model, and in a concentration prediction stage, comparing various regression models respectively, and optimizing the model performance by combining cross validation and hyper-parameter tuning. According to the method, the tea plant diseases and insect pests can be efficiently and accurately monitored, and the method has a wide application prospect.

The invention relates to a tobacco flavor presenting fresh and sweet fruity flavor, flavor adsorption particles and application of the tobacco flavor and the flavor adsorption particles in cigarettes. The tobacco flavor comprises fingered citron peel essential oil, ocimene, linalool, beta-phellandrene, limonene, cyclohexene and beta-caryophyllene. Six specific spice components are creatively combined to form the mixed spice, compared with single fingered citron peel essential oil serving as a spice, the components in the spice are mutually matched and have a synergistic effect, fresh and sweet fruity flavor can be provided when cigarettes are smoked, the fruity, sweet and faint scent characteristics of the cigarettes are obviously improved, the aroma harmony is good, and the flavor of the cigarettes is greatly improved. The smoke characteristic of the cigarette can be improved; and after the perfume is used for slow release treatment, the stability of the fresh and sweet fruity flavor can be maintained, and the flavor of the perfume cannot be changed due to the change of the original proportion of the components in the slow release process, so that the stability of sensory expression is realized, and the sensory quality of tobacco products is comprehensively improved.

The invention provides a separated myzus persicae odorant binding protein and an application thereof, the protein can bind odorant substances including nerolidol, myrcene, ocimene, bisabolol, beta-ionone, (E)-4, 8-dimethylnonyl-1, 3, 7-triene (DMNT), (E, E)-4, 8, 12-trimethyl-1, 3, 7, 11-tridecatetraene (TMTT), E-beta-farnesene, geraniol and geranyl acetone, and the protein has the advantages that the protein can bind the odorant substances including nerolidol, myrcene, ocimene, bisabolol, beta-ionone, (E)-4, 8-dimethylnonyl-1, 3, 7, 11-tridecatetraene, (E, E)-4, 8, 12- The combination of the protein and the odorant can play an important role in biological control of insects.

The invention relates to the technical field of microorganisms, in particular to a method for improving quality and insect resistance of purple perilla through inoculation of arbuscular mycorrhizal fungi, which is characterized in that the arbuscular mycorrhizal fungi are rhizosporium endophyllum, and insects are beet armyworms. The arbuscular mycorrhizal fungi are inoculated, so that the growth of the aboveground part and the underground part of the purple perilla is remarkably promoted, and the biomass of the purple perilla is improved; accumulation of linalool, perillyl alcohol, perillaldehyde, elemene, ocimene and limonene in the perilla leaves can be promoted, and the quality of the perilla is improved; the content of defense secondary metabolites such as flavone and tannin of the perilla leaf and the activity of defense enzymes such as polyphenol oxidase and phenylalanine ammonialyase can be improved, and the resistance of the perilla leaf to beet armyworms is improved. After the arbuscular mycorrhizal fungi inoculated perilla leaves are eaten, the growth and development of the beet armyworms are inhibited, and the beet armyworms show that the weight and the body length are reduced, and the developmental duration is prolonged.

This invention discloses a method for preparing trans-1,2-polyocimene and its application. The method includes dissolving a rare earth compound, an organoboron compound, and an alkylaluminum compound in an organic solvent in a certain proportion under inert gas protection to obtain a catalyst composition solution; directly adding (E)-β-ocimene to the catalyst composition solution; or dissolving (E)-β-ocimene in an organic solvent to prepare an ocimene solution, and adding the catalyst composition solution to the ocimene solution; mixing the (E)-β-ocimene or the ocimene solution with the catalyst composition solution and reacting at a preset temperature for a period of time, then adding a terminator to terminate the polymerization reaction; after sedimentation and drying, trans-1,2-polyocimene is obtained. The catalyst composition used in this method can catalyze the polymerization of (E)-β-ocimene with high activity and high selectivity to obtain trans-1,2-polyocimene.

The invention discloses a high-terpene biological spice based on composite flora fermentation and application of the high-terpene biological spice. According to the preparation method, a tobacco extracting solution is obtained through assistance of microwaves and ultrasonic waves, and a small amount of tomato juice is added into the tobacco extracting solution; the preparation method comprises the following steps: firstly, carrying out aerobic fermentation degradation on macromolecular substances such as polysaccharides by using one microbial agent, then carrying out anaerobic fermentation degradation on components such as flavonoids and carotenoids by using another composite microbial agent, converting the components into fragrant components, and preparing the biological spice by adopting an aerobic-anaerobic fermentation mode. The perfume is richer in variety of fragrance components and can generate various terpene fragrance components, the terpene fragrance components such as limonene, linalool, alpha-pinene, beta-myrcene and geraniol are remarkably increased, and the terpene fragrance components such as alpha-santalene, geraniene, alpha-terpinene, thujopsene, alpha-cedrene, fennel ketone and ocimene are newly added, so that the fragrance of the perfume is enhanced, and the fragrance of the perfume is enhanced. When being used for traditional cigarettes or heated cigarettes, the cigarette essence can remarkably improve the aroma quality and permeability of the cigarettes, improve aftertaste and reduce irritation.

In one aspect, the disclosure relates to a vulcanizable rubber composition comprising a sustainable rubber polymer comprising an acyclic monoterpene monomer or an acyclic terpenoid monomer comprising at least two double bonds and a filler material. In some aspects, the acyclic monoterpene or terpenoid monomer is fully or partially hydrogenated. In another aspect, the acyclic monoterpene monomer can be myrcene, ocimene, allocimene, or any combination thereof, and the monoterpene can be present as a homopolymer or a copolymer with at least one other monomer. In a further aspect, the composition can also include a second rubber compound. Also disclosed are vulcanized rubber compositions including the vulcanizable rubber compositions following performance of a vulcanization step and articles such as, for example, tires and tire components comprising the vulcanized rubber.

The application relates to the technical field of semiconductor gas sensors for gas detection, and particularly relates to an in-situ construction method and application of a gas sensor for volatile aroma substance detection, which comprises the following steps: a zinc nitrate hexahydrate aqueous solution and a 2-methyl imidazole aqueous solution are mixed according to different molar ratios to obtain a precursor solution; a plane electrode is fixed on the surface of a glass slide with the plane electrode facing upwards, and then the glass slide is transferred into the precursor solution; the precursor solution is subjected to a hydrothermal reaction at 90 DEG C for 4h; after the hydrothermal reaction is completed, the glass slide is cooled to room temperature, the electrode surface is washed with deionized water, and the electrode is subjected to drying treatment after impurities are removed; the obtained dry electrode is calcined at 500 DEG C in an air atmosphere for 2h to construct an in-situ grown semiconductor sensor; the application realizes rapid sensing response to nine volatile aroma substances, and in the gas-sensitive research of volatile substances such as the volatile substance of ocimene in volatile aroma substances, the application shows excellent gas-sensitive characteristics.

Disclosed are production of terpenoid compound and the strain used by, which belong to the technical field of bioengineering. The disclosure constructs an engineered strain of Serratia marcescens in production of hemiterpenes or monoterpenes, and the engineered strain of S. marcescens can produce linalool, isoprene, isopentenol, 1,8-cineole, α-pinene, pinene, γ-terpinene, geraniol, (+)-limonene, (−)-limonene, myrcene, β-ocimene, sabinene, (−)-α-bisabolol, farnesol, longifolene, valencene, β-elemene, farnesene, patchoulol, pentalenene, and α-santalene. In a 30 L fermenter, the yield of linalool produced by the engineered strain of S. marcescens is 40.72 g·L−1.