55 results about "Methyl eugenol" patented technology

The invention relates to a preparation method of a sexual attraction slow-release formulation for fruit flies. By weight parts, the preparation method comprises the following steps: (1) dissolving 1-50 parts of methyl eugenol or cue-lure and 0.1-20 parts of toxic ingredients in 100 parts of organic solvent, for standby application, wherein the toxic ingredients include trichlorphon, abamectin, and emamectin benzoate or chlopyrifos; (2) stirring 1000 parts of polyatomic alcohol with molecular weight smaller than 3000 for 15-100 minutes at the temperature of 35-75 DEG C and vacuum degree of minus 0.1MPa; and (3) adding the standby solution of the step (1) in the polyatomic alcohol of the step (2), continuing stirring to be uniform, then adding 3000-10000 parts of isocyanate, continuing stirring for 120 minutes at the temperature of 35-75 DEG C and vacuum degree of minus 0.1MPa, stopping vacuum-pumping, and then obtaining pasty sexual attraction slow-release formulation for the fruit flies. The sexual attraction slow-release formulation prepared by the method is mainly used for monitoring fruit fly population density or preventing and controlling fruit fly pests in large area.

The present invention relates to one kind of delayed releasing citrus fruit fly attractant and the attractant consists of methyl eugenol as attracting component and toxic pesticide as well as silica with excellent delayed releasing effect and preferably methyl cellulose and sodium benzoate as delayed releasing synergist and stabilizer. The present invention has the advantages of high stability, lasting effect, convenient use and easy control.

An insect control formulation including methyl eugenol, cue lure and a biodegradable wax carrier is a surprisingly effective attractant for Oriental fruit flies (Bactrocera dorsalis) and Melon flies (Bactrocera cucurbitae). Formulation embodiments that include at least one insect toxicant are surprisingly effective for use in fruit fly MAT attract and kill systems, and are suitable for on-crop or off-crop uses. Formulation embodiments can be provided as aqueous emulsions having viscosities appropriate for use in aerial or backpack spray applications or for delivery using caulk gun-type or grease pump-type devices. Other formulation embodiments can be provided as solid blocks, granules or powders.

The invention discloses a method for measuring methyl eugenol in the mainstream smoke of cigarettes. The method comprises the steps of preparation of an internal standard solution, preparation of a standard working solution, preparation of a sample solution, gas chromatography-tandem mass spectrometry, drawing of a standard working curve and calculation of a sample result. According to the method, a C18 solid-phase extraction column is used for purifying sample extract for the first time, a dehydration technology is used for carrying out back-extracting on a target object, and then a gas chromatography-mass spectrometry selective ion monitoring method is used for measuring the methyl eugenol content of the mainstream smoke of the cigarettes; an internal standard method is used for quantification, so that constant column is not required, and errors caused by the reproducibility of the pretreatment method and precision problems of an apparatus can be reduced; a DB-5MS column with the best peak shape and the best separation effects is selected as a separation column, and GC-MS (gas chromatography-mass spectrometry) detection mode capable of simultaneously providing qualitative and quantitative information is adopted, so that the sensitivity of a response signal is improved, and the accuracy of an analysis result is ensured.

The invention discloses a bactrocera dorsalis slow-release type attractant which includes the following components by mass percent: 80-90% of methyl eugenol, 5-10% of a synergist and 5-15% of a slow-release agent, wherein the synergist adopts one or more of orange oil, psidium guajava essential oil, mango essential oil, loquat flower essential oil and carambola essential oil; the slow-release agent adopts one or more of vegetable oil and gutter oil. The bactrocera dorsalis slow-release type attractant provided by the invention adopts a simple, effective and pollution-free slow-release and synergistic technology, and includes not only methyl eugenol active substances but also plant essential oil which has a synergistic effect, as well as the slow-release drug for increasing the drug effect duration, so as to prolong the attraction time and improve the attraction effect of the bactrocera dorsalis attractant, and satisfy technology requirements for effective and long-lasting prevention and control. The raw materials used by the bactrocera dorsalis slow-release type attractant have the characteristics of being environment-friendly, low in cost and long in drug effect duration.

The invention discloses a method for extracting rose essential oil through combination of ultrahigh pressure and steam distillation. The method comprises steps as follows: (1), ultrahigh pressure pretreatment: fresh roses are put in a retort pouch, a citric acid aqueous solution is added to the retort pouch, and the retort pouch is sealed after uniform mixing; (2), the retort pouch is put in ultrahigh pressure equipment for ultrahigh pressure treatment; (3), after ultrahigh pressure treatment ends, steam distillation is performed. The yield of the rose essential oil is increased by 4.0%-119.05% in the same distillation time by means of an ultrahigh pressure and steam distillation combination technology while compared with that by means of an ordinary steam distillation technology; the content of methyl eugenol in the essential oil is reduced by 75.9%, the extraction speed is high, the quality of the essential oil is high and energy consumption is reduced.

The present invention relates to formulations of volatile organic compounds having effects on Otiorhynchus weevils e.g., Otiorhynchus sulcatus. In some embodiments, volatile organic compounds selected from (E)-2-hexenol, (Z)-2-pentenol, methyl eugenol and a combination thereof are effective for attracting Otiorhynchus weevils. The invention also relates to traps and particularly to a “weevil trap” combined with any one or more of the disclosed volatile organic compounds selected from (E)-2-hexenol, (Z)-2-pentenol, methyl eugenol, and light which are effective for monitoring and controlling Otiorhynchus weevils.

The invention discloses an essence. The essence is characterized by comprising the following components by weight percent: 26% of citronellal, 26% of geraniol, 5% of linalool, 2% of cinnamyl alcohol, 5% of phenethyl alcohol, 12% of phenyl acetaldehyde, 15% of benzyl acetate, 5% of methyl eugenol and 4% of linalyl acetate. In an embodiment 1, the essence comprises the following components by weight percent: 26% of citronellal, 26% of geraniol, 5% of linalool, 2% of cinnamyl alcohol, 5% of phenethyl alcohol, 12% of phenyl acetaldehyde, 15% of benzyl acetate, 5% of methyl eugenol and 4% of linalyl acetate.

The present invention relates to an application of methyl eugenol for controlling plant disease. Said methyl eugenol mainly is existed in extracts of natural plants of asarum and clove, etc, and has stronger effect for inhibiting and killing plant pathogenic eumycetes.

The invention relates to four main chemical compositions (3,5-dimethoxytoluene, 2,3,5-trimethoxytoluene, 3,4,5-Trimethoxytoluene and methyl eugenol) absorbable by human body after herba asari is applied and application of the four main chemical compositions to prepare pain-easing anti-inflammation medicines. Experiment research firstly discovers that 3,5-dimethoxytoluene, 2,3,5-trimethoxytoluene and 3,4,5-Trimethoxytoluene have effects of easing pain and diminishing inflammation in vivo, and methyl eugenol and combination of the four compounds have pain-easing effect. The chemical compositions and the combination thereof have good pain-easing anti-inflammation effects, and are beneficial for research and development of novel pain-easing anti-inflammation medicines.

A system for controlling tephritid fruit flies, comprising a first lure module for attracting tephritid fruit flies to eat a toxicant and a second cooling module for lowing environmental temperature to a temperature lethal to fruit flies but above the ice crystallization of fruit. The lure comprises: wax; oil; ethyl methyl eugenol or other suitable attractant; and Spinosad or other suitable toxicant.

The invention discloses a method for preparing a medicinal composition for the perianal anaesthetic analgesia of postoperation. The medicinal composition comprises the following raw materials: procaine, eugenol, peach gum, borneol, litsea cubeba oil, thalicimine and methyl eugenol, and is characterized in that: the method for preparing the medicinal composition comprises the following steps of: adding the peach gum into isopyknic water, adding the thalicimine which is sieved with a 200-mesh sieve, and stirring continuously for 30 minutes; adding the litsea cubeba oil, eugenol and the methyl eugenol at room temperature, and continuing to stir for 15 minutes; and adding the procaine and the borneol which is sieved with the 200-mesh sieve, continuing to stir for 15 minutes and packaging intoseparated bags. Clinical experiments prove that the medicinal composition for treating the perianal anaesthetic analgesia of the postoperation has the characteristics of high absorption, definite curative effect, high safety, and is worthy of clinical application and popularization.

The invention relates to a perfume, and especially relates to a forest scent type perfume. The perfume is composed of the following components: clove essential oil, almond essential oil, rosemary essential oil, cardamom essential oil, chamomile essential oil, grapefruit essential oil, tea tree essential oil, methyl eugenol, 2-tridecanone, rose ether, geranyl acetone, cyanin, hyaluronic acid, beta-carotene, eugenol, geraniol acetate, and the balance being alcohol with a concentration of 70 to 85%. The perfume gives off a broad and dignified scent, gives people a balance feel, and has a long lasting fragrance.

The invention discloses a plant essential oil capable of preventing and controlling neoschngastia gallinarum hatori. The plant essential oil is prepared from, by weight, 2-20 parts of thymol, 1-10 parts of eugenol, 1-10 parts of methyl eugenol, 0-15 parts of carvacrol, 1-20 parts of cinnamaldehyde, 0.1-2 parts of sanguinarine and 0.1-2 parts of chelerythrine. According to the characteristics of various plant essential oils, the optimal proportion for treating neoschngastia gallinarum hatori of chickens is screened out; the plant essential oil is compounded of a plurality of plant essential oils and has a very good antibacterial effect; the thymol and the cinnamaldehyde have an obvious synergistic effect in a mass ratio of 5:1, so that a medicament is safe, green and efficient and has no toxic or side effect, drug resistance, residues or incompatibility.

The invention belongs to the technical field of spice preparation, and particularly relates to a spice composition with plum blossom fragrance. The invention provides a spice composition with a jade butterfly plum blossom fragrance. The spice composition comprises basic fragrance components including benzaldehyde, benzyl alcohol, benzyl acetate and eugenol, and a characteristic component benzyl benzoate. The invention further discloses a spice composition with the fragrance of Armeniaca mume f.alphandii (Carr.) Rehd. The spice composition comprises basic fragrance components including benzaldehyde, benzyl alcohol, benzyl acetate, cinnamyl alcohol and cinnamyl acetate, and a characteristic component eugenol. The invention also discloses a spice composition with the fragrance of Armeniaca mume var. mume f. purpurea. The spice composition comprises basic fragrance components including benzaldehyde, benzyl alcohol and eugenol, and characteristic components including methyl chavicol and methyl eugenol. The spice composition is high in smell identification degree, closer to natural plum blossom characteristic fragrance and fewer in formula component variety, the spice manufacturing costis greatly reduced, and the spice composition is more easily accepted by consumers.

The invention belongs to the field of organic synthesis and particularly relates to a preparation method of methyl eugenol. The preparation method of the methyl eugenol comprises the following steps: a, adding right amount of sodium hydroxide solution into a reaction kettle, and dripping right amount of eugenol under a stirring condition; b, keeping stirring, controlling the reaction temperature to be 20 to 30 DEG C, slowly dripping excess methyl sulfate; c, after dripping, stirring for 1 h reaction continuously, and increasing the temperature to be 40 DEG C to 50 DEG C for 1 h reaction for resolving the methyl sulfate; d, dividing liquid, carrying out underpressure distillation to organic phases so as to obtain a product. The preparation method provided by the invention solves the problems of incapability of considering the yield and the cost at the same time and low product purity in a conventional preparation method of the methyl eugenol, and has the advantages of high yield, high product purity and low cost.

The invention discloses a plant essential oil microcapsule preparation capable of preventing and controlling the chigger mite disease. The plant essential oil microcapsule preparation comprises the following components in parts by weight: 2-20 parts of thymol, 1-5 parts of eugenol, 1-5 parts of methyl eugenol, 2-10 parts of carvacrol, 1-20 parts of cinnamaldehyde, 0.1-1.0 parts of sanguinarine, 0.1-1.0 parts of chelerythrine, 40-70 parts of auxiliary materials, and 30-60 parts of an emulsifier. The provided composite plant essential oil microcapsule can effectively prevent and control the chicken chigger mite, effectively inhibits the growth of other harmful bacteria, promotes the growth of beneficial bacteria, and quickly repairs lesions, so that the production and sales of bare chickensis protected from the skin disease affection caused by chigger mite.

The invention discloses a method for detecting an asarum medicinal material. The method is used for carrying out one-test multi-evaluation by taking 1-Asarinin which is low in price, easy to get and relatively stable structure as an internal standard substance to establish relative correction factors of the 1-Asarinin to Kakuol, methyl eugenol, 1-sesamin and the safrole, and the contents of five components of an asarum medicinal material are calculated through the relative correction factors. The method is economical, quick, accurate, stable and good in repeatability; the quality of the asarumtraditional Chinese medicinal materials can be comprehensively controlled; meanwhile, the detection cost is greatly reduced, and the problems that in the implementation process of the multi-index content determination method for the asarum medicinal material, due to more detection indexes, high reference substance consumption, difficulty in obtaining some standard substances, high detection operation difficulty and too high detection cost, the actual application of the method is greatly limited are solved.