39 results about "Methyleugenol" patented technology

The invention relates to a protein attractant for Bactrocera dorsalis Hendel and a preparation method thereof. The protein attractant for the Bactrocera dorsalis Hendel is prepared by blending hydrolyzed protein solution and methyleugenol, and the hydrolyzed protein solution is produced by adopting a byproduct of beer industry, namely waste beer yeast. Indoor bioassay results show that the attraction rate of a product on the Bactrocera dorsalis Hendel can averagely reach 71.7 percent, wherein the attraction rates on females and males are 58.3 percent and 85.0 percent respectively. The attractant and the method have the advantages of simple production technology, rich raw materials and the like; and the product has attraction effect on male and female adult insects of the Bactrocera dorsalis Hendel, has no pollution to the environment at the same time, is nontoxic to people and other beneficial insects, and has excellent application prospect.

The invention relates to two kinds of Bactrocera dorsalis imago attractant that is made up from 1-20wt% methyleugenol, 4-20wt% sugar, 10-30wt% alcohol, 10-30wt% vinegar, 30-75wt% water. The attractant has good effect to Bactrocera dorsalis and male adult, especially the male adult. The invention is low cost, easy to operate, and has good persistence.

Belonging to the technical field of citrus pest control, the invention specifically relates to a polyvalent protein attractant suitable for bactroceradorsalis (Hendel), its preparation method and application. The polyvalent protein attractant comprises by weight: 5-20% of polyvalent peptone; 5-20% of brown sugar; 10-20% of edible vinegar or 1-3% of ammonium acetate; 0.1-0.3% of a preservative; 0-2% of methyleugenol; and 0.1-1% of a pesticide. Water is added to the above components to a full formulation amount, and through fully stirring, dissolving and uniformly mixing, a polyvalent protein attractant for effective control of bactroceradorsalis (Hendel) can be obtained. The polyvalent protein attractant of the invention has the advantages of substantial attraction effect for female and male imagoes of bactroceradorsalis (Hendel), no environmental pollution, no toxicity to human and other beneficial insects, as well as simple production technology and low cost, etc.

The invention discloses a fruit fly trapping agent, as well as a preparation method and application thereof. The fruit fly trapping agent comprises a trapping agent A and a trapping agent B. Calculated according to volume fraction, the trapping agent A comprises dimehypo, brown sugar, vinegar, wine and water, and the trapping agent B is methyleugenol, wherein the mass percent of acetic acid in the vinegar is larger than 0.6%; the mass percent of alcohol in the wine is larger than 52%. According to the fruit fly trapping agent, smell diffused by the sugar and vinegar trapping agent and the methyleugenol is completely utilized to induce a fruit fly to enter a trapping bottle, and the fruit fly is killed by utilizing the dimehypo to achieve the effect of trapping and killing the fruit fly in the field. The trapping bottles are hanged at the periphery of an orchard, and therefore, an external insect source likely to invade the orchard can be prevented, and the control effect is strengthened. By utilizing the fruit fly trapping agent, male and female worms of the fruit flies can be trapped simultaneously, and the defect of only trapping the male worms of the fruit flies or the female worms of the fruit flies by other fruit fly trapping agents is overcome. In addition, because the dimehypo does not have pesticide smell, the trapping effect of the trapping agent is not affected.

The invention provides a bactrocera dorsalis amphoteric attractant as well as a preparation method and an application thereof. The bactrocera dorsalis amphoteric attractant comprises hesperetin, alcohols, ketones, methyleugenol, esters, vegetable oil, an antioxidant, added auxiliary components such as an antioxidant, an anti-ultraviolet agent and an anti-bactericide agent as well as a thickening agent, a slow-release agent and the like and is put in a deep color container with a cover so as to be preserved. The main components and the raw materials of the amphoteric attractant derive from natural plant extractives, so that the amphoteric attractant is environmentally-friendly and is safe for non-target organisms; the bactrocera dorsalis amphoteric attractant has a very good trapping effect on female adults and male adults of bactrocera dorsalis in combination with the integrated application of other solid sustained-release materials and is capable of effectively reducing the population cardinal number of the bactrocera dorsalis in a using region generation by generation. The bactrocera dorsalis amphoteric attractant is simple in synthesis process, low in cost and suitable for wide application and popularization in orange producing areas and other bactrocera dorsalis host crop producing areas and is also effective for injurious insects such as bactrocera zonata and melon flies.

This invention publics a detecting method about a nontoxic traditional medicine liao asarum. It is to extract volatile oil according to a method of volatile oil extraction from Chinese pharmacopeia, the 2000 edition, dissolve by cyclohexane, and inject it into gas-chromatograph-mass spectrometer to draft fingerprint pattern. Through the analysis result by computer, it is to get 28-wave crest, such as methyleugenol, safrole myristicin and so on, where the essential component methyleugenol is about 37 percent. The volatile oil extracted according to pharmacopeia is dissolved by acetic ester, added methyl alcohol, and injected into high efficiency liquid chromatography to get high efficiency liquid fingerprint pattern. It is to adopt liquid hypersonic extracted for 30 minutes by methyl alcohol-water (3:1) ,and inject it into high efficiency liquid chromatography to build detecting method about high efficiency liquid chromatogram for aristolochic acid.

The invention relates to a tephritidae insect pheromone attractant and a trap-killing agent adopting the attractant, and belongs to the technical field of the tephritidae insect pheromone attractant. The attractant comprises 1-50 parts of protein, 1-50 parts of methyleugenol, 1-50 parts of honeydew, 1-50 parts of ammonium acetate, 1-50 parts of nitro humic acid ammonium, 1-50 parts of 3-methylbutanol, 1-50 parts of butyl caproate, 1-50 parts of ethyl lactate, 1-50 parts of citionella oil, 1-50 parts of acetic acid, 1-50 parts of ethyl alcohol and 1-50 parts of agar. The attractant is compound pheromone attractant combining phagostimulating pheromone with sex pheromone and attract tephritidae insects in the aid of food, the combined tephritidae insect pheromone is used for promoting attraction, so that more tephritidae insects can be attracted to actively fly here for food, and insects which are a longer distance away and in a larger range can be attracted; the attractant further has the advantages of efficiency and stable slow release, can continuously trap and kill harmful insects for a long time and is non-poisonous, harmless and free of environment pollution.

The invention provides a colloidal composition for luring insects. The colloidal composition contains cuelure and methyleugenol and further contains a pressure-sensitive adhesive, a solid-phase carrier and a solvent. In addition, the invention further provides a spray and an adhesive tape for luring insects and a method for reducing harm of the insects. By adopting the technical scheme, the colloidal composition can make the proportion (harm rate) of the number of verminous fruits in the total fruit number reduced to 5-15% and remarkably lower than the proportion of an existing insect control preparation.

The invention discloses a compound type slow-release trypetid attractant and a preparation method thereof. The compound type slow-release trypetid attractant is prepared from methyleugenol, cue lure,beta-caryophyllene, a paraffin carrier and a cellulose acetate fiber tow, wherein the methyleugenol, the cue lure, the beta-caryophyllene and the paraffin carrier are mixed to fill the cellulose acetate fiber tow. The compound type slow-release trypetid attractant disclosed by the invention has a wider attracting range; the preparation method has the advantages of simpleness, low cost and strong operability; the speed of oxidizing and decomposing the active ingredients in the methyleugenol, the cue lure and the beta-caryophyllene can be reduced, the use amount is greatly reduced, and the methyleugenol, the cue lure, the beta-caryophyllene can be stably and continuously released for at least 12 weeks.

The invention discloses a pesticide capable of effectively repelling bactrocera minax female adult pests and an application of the pesticide. According to the invention, experiments discover that combined usage of methyleugenol and 4-(4-acetoxyphenyl)-2-butanone has a remarkable repellent effect on the bactrocera minax female adult pests, so that combination of the methyleugenol and the 4-(4-acetoxyphenyl)-2-butanone can be utilized as a repellent agent of the bactrocera minax female adult pests, and a novel idea is supplied for comprehensive prevention and control of bactrocera minax.

The invention discloses a method for measuring methyleugenol in cigarette mainstream smoke. The method comprises the following steps: preparing an internal standard solution, a standard working solution and a sample solution, performing gas chromatography-tandem mass spectrometry analysis and calculating the measurement result. 3,4-methylene dioxo acetophenone serves as an internal standard substance for quantifying, the optimized detection method is simple and convenient in operation, sensitive in response and accurate in quantitative analysis, interference brought by a complex sample matrix is effectively reduced, the target has good signal response and has high linear correlation due to the adopted chromatography-mass spectrum conditions, the detection limit is 0.31ng per cigarette, the relative standard deviation is 4.30 percent, and the adding standard recovery is between 94.85 percent and 112.51 percent. Therefore, the method is high in sensitivity, high in repeatability and high in recovery rate and is suitable for quantitative analysis of trace targets in the complex smoke matrix.

The invention discloses a method for synthesizing methyleugenol. The method is characterized by comprising the following steps: reacting 4-halo-benzenediol and methyl to synthesize 4-halo-benzenediolmethyl ether; reacting the 4-halo-benzenediol methyl ether and magnesium to produce magnesium halide 4-benzenediol methyl ether; and reacting the magnesium halide 4-benzenediol methyl ether and 3-halo-1-propyl olefin to produce methyleugenol. According to the method for synthesizing methyleugenol, provided by the invention, the methylation reaction is carried out first, and a Grignard reagent and3-halo-1-propyl olefin react to obtain the methyleugenol. The overall yield reaches 80% or higher, the purification is simple, and non-toxic dimethyl carbonate or alkyl halide is used in the process flow, so that the process is small in human toxic and side effects, and environmental pollution is reduced.

The invention belongs to a pharmaceutical composition for preventing atherosclerosis and its application; the pharmaceutical composition is prepared from the following materials: eugenol; it has the advantages of being effective in preventing atherosclerosis with obvious effect, stable quality control and suitable for long-term use by patients.

The invention provides an attractant for bactrocera dorsalis. The attractant for bactrocera dorsalis contains effective attracting components in percentage by mass as follows: 80%-90% of methyleugenol, 5%-10% of ethyl acetate and 5%-10% of butyl acetate, and further contains a slow release agent and an antioxidant. In the effective components, ethyl acetate and butyl acetate effectively enhance the attraction effect of methyleugenol, and action time of the attractant is longer and the effect is better by means of the slow release agent; by the aid of the antioxidant, the degree of oxidizationand decomposition of the effective attracting components by external factors such as air and light can be reduced, and duration of the effective attracting components is longer.

The invention relates to a bactrocera dorsalis drug and a preparation method thereof. The bactrocera dorsalis drug is prepared from the raw material components in percentage by mass: 5 percent to 10 percent of attractant, 0.5 percent to 1.0 percent of insecticidal composition, 2 percent to 5 percent of emulsifier, 2 percent to 5 percent of coemulsifier, 1 percent to 3 percent of solubilizer, and the balance of water. The preparation method comprises the steps of mixing the attractant, the insecticidal composition and the emulsifier according to the proportion, then adding one third of water under intense mixing, adding the coemulsifier after 10 minutes, continuously stirring for 20 minutes, adding the rest of water and solubilizer, and stirring for 30 minutes to obtain the bactrocera dorsalis drug. According to the bactrocera dorsalis drug and the preparation method thereof provided by the invention, the attractant and the insecticidal composition are emulsified and coated by the emulsifier so as to obtain a uniform solution drug, demulsification is continuously carried out along with the volatilization of water in the drug, and the attractant and the insecticidal composition are released; the technical principle is that through an emulsifying technology, the release speed of methyleugenol is retarded, and the time for attracting and killing the bactrocera dorsalis is prolonged.

The invention discloses an essence stock solution and a preparation method thereof. The essence stock solution is composed of the following ingredients by mass fraction: 3-6 parts of citronellol, 1-3 parts of geraniol, 3-5 parts of linalool, 1-3 parts of cinnamyl alcohol, 3-6 parts of phenethyl alcohol, 3-6 parts of phenylacetaldehyde, 1-3 parts of benzyl acetate, 0.5-1 part of methyleugenol, 0.5-1 part of ethyl cinnamate, 2-6 parts of benzaldehyde, 4-7 parts of glycerin, 4-7 parts of lemon oil, 2-4 parts of furfural, 2-5 parts of strawberry aldehyde, 1-2 parts of malt aldehyde, 1-3 parts of geranium oil, 4-7 parts of a mulberry leaf extracted liquid, 2-4 parts of agilawood, 20-30 parts of ethanol, and 25-40 parts of distilled water. The essence stock solution provided by the invention has the characteristics of vivid and soft aroma, strong natural sense, and good temperature resistance and fragrance retention, and the preparation process has the advantages of environmental protection and health.

The invention relates to a melaleuca bracteata sachet and a preparation method thereof. The preparation method comprises the following steps: S1, freeze-drying melaleuca bracteata leaves, crushing, sieving, adding an ethanol solution, and then putting into a flash extractor for extraction, suction filtration and precipitation; s2, heating a beta-cyclodextrin aqueous solution, adding the melaleuca bracteata extract, stirring, filtering, carrying out vacuum drying on a precipitate obtained by filtering, mixing with light calcium carbonate, a coupling agent, a white willow bark extract and loose polyvinyl chloride resin, cooling, and carrying out extrusion granulation; and S3, putting the obtained fragrant master batch into the capsule body to obtain the product. According to the invention, volatile components such as methyleugenol in melaleuca bracteata are extracted through extraction, then the volatile components are coated with beta-cyclodextrin, then the beta-cyclodextrin enters pores of loose polyvinyl chloride resin, and then the loose polyvinyl chloride resin is placed in the sachet, so that the volatile components can be dispersed in the pores of the loose polyvinyl chloride resin in the volatilization process of the methyleugenol; a human body can absorb components such as methyleugenol, and the sachet is endowed with an immune effect.

The invention belongs to the field of reconstituted tobaccos and particularly relates to a coating liquid for the reconstituted tobacco. The coating liquid for the reconstituted tobacco comprises methyleugenol and a coating liquid A, the weight ratio of the methyleugenol to the coating liquid A is less than 0.01%:1 and is not 0, wherein the coating liquid A is prepared through a method comprisinga step (1), a step (2), a step (5), an optional step (3) and an optional step (4) as follows: (1) extracting tobacco leftovers with water, and implementing solid-liquid separation to obtain a first liquid-phase material; (2) extracting a tobacco material with water, and implementing solid-liquid separation to obtain a second liquid-phase material; (3) concentrating the first liquid-phase materialto obtain a first concentrated solution; (4) concentrating the second liquid-phase material to obtain a second concentrated solution; (5) mixing the first liquid-phase material with the second liquid-phase material, or mixing the first concentrated solution with the second concentrated solution. The invention further relates to the preparation method of the coating liquid. The permeation rate of the coating liquid on a substrate is high, and the sensory quality of the reconstituted tobacco is not affected.

The invention discloses a methyleugenol molecularly imprinted polymer and a preparation method thereof. The preparation method comprises the following steps of 1) mixing methyleugenol as a template molecule, methacrylic acid or acrylic acid as a functional monomer and dichloromethane or chloroform as a pore-forming agent under ultrasonic waves to obtain a mixture; 2) adding ethylene glycol dimethacrylate as a crosslinking agent and azobisisobutyronitrile as an initiator in the obtained mixture, performing mixing under the ultrasonic waves, performing sealing after oxygen removal with nitrogenfilling, performing polymerization for 24-48h in a water bath with the temperature being 50-80 DEG C to obtain a solid product, and performing grinding and sieving; and 3) performing Soxhlet extraction and elution an drying on the sieved solid product to obtain the methyleugenol molecularly imprinted polymer, wherein the dosage ratio of the template molecule, the functional monomer and the crosslinking agent is 1mol to (3-10)mol to (10-35)mol; the dosage of the pore-forming agent is 50-150ml per gram of the template molecule; and the initiator is accounted by 0.5-2.0 percent of the total massof the template molecule, the functional monomer and the crosslinking agent. The methyleugenol molecularly imprinted polymer provided by the invention is strong in selectivity, large in adsorption capacity and high in removal efficiency when being used for separating the methyleugenol.

The invention provides an application of methyleugenol in preparation of a medicine for relieving hepatic ischemia-reperfusion injury. The methyleugenol comprises a medicine composition containing the methyleugenol and various pharmaceutically acceptable medicine preparations of the methyleugenol, has a protection effect on the hepatic ischemia-reperfusion injury, can relieve injury. The application of the methyleugenol in preparation of the medicine for relieving the hepatic ischemia-reperfusion injury has clinical practical significance and value for further development and application.

Provided is a lemon juice-containing beverage which gives a fresh sensation typical of lemon regardless of its low fruit juice content. One ppb or more of at least one phenylpropene selected from the group consisting of safrole, methyleugenol, and myristicin is incorporated in a lemon juice-containing beverage having a fruit juice content of not less than 1% and not more than 30% and comprising at least one aroma component selected from the group consisting of linalool, nonanal, and decanal.

The invention discloses a method for collecting aged larvae, pupae and adults of bactrocera dorsalis. Aged-larva-containing feedstuff is poured into an uncovered mesh box, the uncovered mesh box is suspended, then, a white plastic case is placed under the uncovered mesh box, and the aged larvae are transferred into the white plastic case by using a bouncing habit of the aged larvae so as to collect the larvae. The aged-larva-containing feedstuff is poured into the uncovered mesh box, then, the uncovered mesh box is placed into the white plastic case laid with sterilized sandy soil, the aged larvae are transferred into the sterilized sandy soil for pupation through bouncing, and then, the pupa-containing sterilized sandy soil is poured into another mesh box so as to screen out pupae. A bottle body and bottle bottom of a spring water bottle is provided with small holes, methyleugenol infiltrated sterilized degreased cotton is arranged in the bottle, then, the spring water bottle is suspended in an insect culture cage, and males are trapped into a trapping bottle through methyleugenol. A bottle cap of a glass bottle is provided with two glass tubes: one end of one glass tube is provided with gauze, and the other end of one glass tube is connected with a dust collector through a long plastic tube; one end of the other glass tube is open, and the other end of the other glass tube isconnected with a glass suction tube through a long plastic tube; and females are collected into the glass bottle through a suction force of the dust collector.

The invention discloses acaricidal missible oil and a preparation method and application thereof, and belongs to the field of veterinary drugs. The acaricidal missible oil comprises 1-5 parts of eugenol, 2-4 parts of thyme essential oil, 10-20 parts of methyleugenol and 1-2 parts of an emulsifier, wherein the emulsifier comprises calcium pyruvate, white mineral oil 26, an emulsifier OP-10 and pesticide emulsion 700. After the acaricidal missible oil is diluted, liquid medicine is uniform, stable and free of layering, all active ingredients of the selected main raw material plant essential oil have a remarkable synergistic effect, and the acaricidal missible oil is safe, green, efficient and free of toxic and side effects; in production and application, the acaricidal missible oil can effectively kill the chigger mites on chicken bodies, and the production cost is reduced.

The invention discloses an efficient tile surface detergent which is prepared from the following raw materials in parts by weight: 20-30 parts of methyleugenol, 15-30 parts of methyl salicylate, 10-20 parts of dipropylene glycol monomethyl ether, 1-5 parts of sodium bicarbonate, 50-100 parts of deionized water, 5-10 parts of betaine, 10-20 parts of hemp oil, 5-10 parts of carbon nano tubes, 8-12 parts of a tea seed extract and 12-25 parts of a plant extracting solution; the plant extracting solution is prepared from barberry, sowthistle tasselflower herb, creeping oxalis and common sorrel; the tea seed extract is obtained by performing carbon dioxide supercritical extraction on tea seeds. Most of the added raw materials are extracted from plants, are green, environmentally friendly and non-toxic; the efficient tile surface detergent is high in cleaning ability, can be used to eliminate dirt on the surfaces of tiles in a short time, and is made of the non-toxic, green and environment-friendly materials.

The invention relates to a detection method for volatile components in antiviral oral-liquid and belongs to the technical field of pharmaceutical analysis. The method comprises the following steps: extracting volatile components of a to-be-detected sample by adopting a steam distillation method, an extracting method, or an organic solvent reflux extracting method, and preparing a sample solution; finely weighing alpha-pinene, beta-pinene, terpinene-4-alcohol, terpilenol, borneol, methyleugenol, patchouli alcohol, beta-asarone, patchoulenone, and alpha-asarone, and preparing volatile component reference solutions by using an organic solvent; and determining the ten types of volatile components by using a gas chromatography simultaneously, so that medicinal material information can be relatively completely reflected, the product quality is relatively completely evaluated, the quality standard is increased, and simultaneously conditions are provided for the product manufacturing technique optimization.

The invention belongs to the field of anesthetics, and particularly relates to a compound anesthetic and a preparation method thereof. The compound anesthetic is prepared from the raw materials: propofol, methyleugenol, citric acid, menthol ice, herba cladostachvdis, radix paeoniae rubra, ethanol, lecithin and water through extraction and mixing of effective ingredients. The compound anesthetic has good anesthetic and analgesic effects and is small in side effect, and the preparation method is simple and easy to implement.

The invention provides a bactrocera dorsalis attractant with a male and female double attracting function. The bactrocera dorsalis attractant is prepared from the following components in percentage bymass: 15 to 20% of soy peptone, 5 to 10% of tangerine essence, 5 to 10% of mango essence, 0.5 to 1% of preservative, 20 to 35% of hot melt glue, 30 to 50% of methyleugenol, and 0.2 to 0.5% of serratia liquid, wherein the sum of percentages of the above components is 100%. The bactrocera dorsalis attractant has the advantages that the peptone, the fruit essences and the serratia liquid can producehigh activity on the female bactrocera dorsalis, the methyleugenol can produce extremely high activity on the male bactrocera dorsalis, the lasting property is high, and the controlled-release type male and female double attracting function is realized. The solid sol has strong sticking property, the adult trypetid can be directly attracted and stuck, and cannot fly out so as to reach the killingfunction, and the other insect-killing pesticide for killing is not required.

The invention discloses a medicine for killing nematodes by poisoning, and belongs to the technical field of nematode prevention and control. The main component of the medicine for killing the nematodes by poisoning is methyleugenol which is a natural compound extracted from plants, has a good poisoning and killing effect on the caenorhabditis elegans, inhibits the service life, egg laying number and acetylcholin esterase activity of the caenorhabditis elegans, and has the characteristics of low toxicity, low residue and safety to human and environment. The medicine can be applied to prevention and treatment of nematode diseases of medicinal plants such as ginseng, American ginseng and pseudo-ginseng, and can also be applied to prevention and treatment of nematode diseases of field crops such as wheat, corn, rice and potatoes and prevention and treatment of plant nematode diseases of vegetable crops such as Chinese cabbage, tomato, cucumber and the like. The medicine better solves the problems of high toxicity, environmental pollution, residues in crops and the like of the existing nematicide, and improves the safety of agricultural production.