109 results about "Isoeugenol" patented technology

A pre-vaporization formulation pre-vaporization formulation for an e-vaping device, the pre-vaporization formulation including a vapor former including a combination of propylene glycol and glycerol, and an additive including at least one of capsicum, allyl isothiocyanate, piperine, isoeugenol, carvacrol, thymol, menthol, monomenthyl succinate, N-(2-hydroxyethyl)-2,3-dimethyl-2-isopropyl butanamide, horseradish oil, garlic extract, onion oil, black pepper, cayenne pepper, ginger oil, thyme oil, cinnamon bark oil, turmeric, fenugreek, cardamom, rosemary extract, grapefruit oil and andrographis extract.

The invention provides a spicy spice for a kretek blasting bead, a preparation method and application thereof. The spicy spice is characterized in that the spicy spice is prepared by mixing the following raw materials in percentage by weight: 2 to 5 percent of clove bud oil, 0.5 to 1 percent of eugenol, 0.01 to 0.03 percent of thymol, 0.2 to 0.8 percent of beta-caryophyllene, 0.2 to 0.8 percent of guaiacol, 0.5 to 1 percent of isoeugenol, 0.1 to 0.5 percent of vanillin, 0.5 to 1 percent of benzyl alcohol, and the balance of a solvent. The spicy spice can not only cover adverse chemical smell produced by wall materials and package solvent when the kretek blasting bead is pinched, but also provide spicy fragrance coordinated with the fragrance of the tobacco, makes up the situation of distortion of clove fragrance during burning of the kretek, and enables the kretek to have conformable and natural spicy fragrance.

The invention relates to a method for simultaneously detecting residual amounts of 13 phenolic alcohol sensitization aromatics in a toy. The method realizes simultaneous detection of 13 phenolic alcohol sensitization aromatics such as benzyl alcohol, linalool, 4-methoxyphenol, citronellol, geraniol, 4-ethoxyphenol, anise alcohol, p-tert-butylphenol, cinnamyl alcohol, eugenol, isoeugenol, amylcinnamyl alcohol and farnesol in a toy for the first time by the gas chromatography-ion trap tandem mass spectrometry technology, and fills the technical gap. The method can be used for detecting plush toys, paster toys and plastic toys (prepared from ABS, PVC and PS materials), and has a wide application range and strong applicability. The ion trap tandem mass spectrometry realizes qualification and quantification by two-stage mass spectrometry MS/MS and thus the method has good qualification and quantification effects on a toy sample having a complex matrix.

The invention discloses a preparation method for synthesizing vanillin by using natural eugenol as raw material. The preparation method comprises the following steps: adding potassium hydroxide and n-amyl alcohol into a three-neck round bottom flask with volume of 250 ml and equipped with a backflow condensation tube, a magnetic stirring device and a constant-pressure dropping funnel through isomerization, dropwise adding the natural eugenol after stirring for dissolution, heating for backflow, then transferring a reaction solution into water for dilution, transferring lower-layer liquid to a separatory funnel in several times, and washing with a NaOH solution until the color of upper-layer liquid does not become light; combining all alkali liquors, and extracting with acetone, acidating and evaporating rotatably to obtain isoeugenol; adding a certain amount of nitrobenzene into the isoeugeno to oxidize double bond of propenyl of the isoeugeno, and then purifying a vanillin crude product, wherein the vanillin productivity can reach above 95.0%. The method has the advantages that the adoption of highly-toxic catalysts of carbonyl iron and the like in the isomerization process is avoided, the after-treatment technology is relatively simple, and the operation is convenient. An extraction agent can be recycled to lower the cost.

The invention provides a method for detecting allergens in cosmetics. The method comprises the steps of preparing a mixed standard solution of 56 allergen substances by a mixed solution of methanol and a 2g/L ascorbic acid aqueous solution, wherein single standard solutions are independently prepared for seven groups of isomers such as eugenol, isoeugenol and the like; carrying out mass spectrometry analysis in modes of positive-negative ion primary mass spectrometry full scanning and data-dependent secondary mass spectrometry scanning of a high-resolution mass spectrum of an electrostatic field orbitrap; collecting an accurate mass number of primary parent ions, retention time and secondary fragment ion information to establish a high-resolution mass spectrum database; carrying out mass spectrometry analysis on a to-be-detected sample by adopting extraction of the mixed solution of the methanol and the 2g 2g/L ascorbic acid aqueous solution; by utilizing the database, establishing screening and quantitative analysis methods by using Tracerfinder software; and detecting the allergen substances in the sample. The method is rapid, high in sensitivity and high in specificity.

The invention relates to lemon essence for water-based ink. The lemon essence is prepared from, by weight, 1%-30% of lemon essence, 5%-55% of compound modification oligosaccharide and deionized water. The lemon essence is composed of lemon oil, litsea cubeba oil, citral diethyl acetal, myrac aldehyde, bergamot aldehyde, lemonile, decanal, caprylic aldehyde, dodecanenitrile, citonellye nitrile, ethyl methylphenylglycidate, linalyl acetate, linalool, lilial, benzyl acetate, cyclamen aldehyde, terpilenol, terpinyl acetate, anisic aldehyde, verdyl acetate, geraniol, geranyl acetate, citronellol, citronellyl acetate, isocyclocitral, styralyl acetate, isoeugenol, ionone, heliotropin, iso-longitolanone, HHCB and ethyl alcohol. The invention further provides a preparation method of the lemon essence for the water-based ink. According to the lemon essence for the water-based ink and the preparation method of the lemon essence, the compound modification oligosaccharide is used as a wall material, the lemon essence is wrapped so that lemon nanocapsule slow-release essence can be formed, and therefore fragrance depositing and water solubility of the essence are improved.

The invention discloses an Escherichia coli for producing isoeugenol monooxygenase and a construction method and an application of Escherichia coli. The Escherichia coli is named as BL21 (DE3) IEM-PP, and the preservation number is CGMCC No. 8918. The construction method comprises the steps of amplifying whole genome DNA of soil as a template by a PCR (polymerase chain reaction) technology under the action of PCR primers to obtain fragments of which the lengths are 1438bp, carrying out gel extraction and recovery, purifying and linking with a T-vector pET21 (a) to obtain the recombinant strain BL21 (DE3) IEM-PP cloning vector recombinant plasmid PET21 (a)-IEM. The Escherichia coli can be applied in producing vanillin by the biotransformation of isoeugenol via the recombinant strain.

The invention discloses a method of producing vanillin by transforming isoeugenol via Saccharomyces cerevisiae. The method includes: S1, constructing Saccharomyces cerevisiae for producing isoeugenol monooxygenase; S2, inoculating the constructed Saccharomyces cerevisiae to an YPD (yeast extract peptone dextrose) liquid medium for shake culture; S3, centrifugally collecting bacteria, washing the bacteria with normal saline, and subjecting the bacteria to shake culture in an MGY (minimal glycerol) liquid medium; S4, centrifugally collecting bacteria, washing the bacteria with normal saline, subjecting the bacteria to shake culture in a liquid MM (minimal medium) for 3-5 days with OD600>6; replenishing methanol each day, and adjusting pH with ammonia to obtain fermentation liquor; centrifuging the fermentation liquor selectively to collect supernate; S5, adding isoeugenol, the supernate or the fermentation liquor and buffer solution according to a ratio of (0.1-0.6) g:(9-18) mL:(9-18) mL into a reaction container, and allowing shake transformation at 20-30 DEG C for 12-48 hours to obtain the vanillin. The vanillin is industrially produced using Saccharomyces cerevisiae, and the method is applicable to the food field and the like and is satisfactory and safe.

The invention discloses a spice formula for electronic cigarettes. The spice formula is characterized by comprising the following components: guaiacol, 2-methoxyl-4-methylphenol, 2-methoxyl-4-vinylphenol, isoeugenol, o-isopropylphenol, methyl cyclopentenolone, 3-ethyl-2-hydroxyl-2-cyclopentene-1-one, maltol, ethyl maltol and a solvent. The spice formula disclosed by the invention contains various components characterized by smoke and caramel aroma, wherein almost components exist in cigarette smoke. The spice formula disclosed by the invention which is applied to cores of the electronic cigarettes can be used for remarkably improving the feel of smoke and caramel aroma of the electronic cigarette smoke, so that the electronic cigarettes have the aroma characteristic which is close to that of cigarette smoke, thereby satisfying the demand of electronic cigarette consumers purchasing sensory characteristics of cigarettes.

The invention discloses a bioactive padding for a swine fermenting bed. The bioactive padding for the swine fermenting bed is prepared through the following raw materials in parts by weight: 23-27 parts of tomato seed meal, 3-4 parts of cocoa powder, 0.3-0.5 part of isoeugenol, 3-5 parts of bacillus subtilis fermented material, 2-4 parts of lactobacillus casei fermented material, 30-32 parts of duckweed, 8-9 parts of feather casing-powder, 16-18 parts of fine sand, 36-44 parts of maize straw, 27-29 parts of beer yeast paste, 1-2 parts of protease additive, 1.3-1.5 parts of cysteine hydrochloride, 1.0-1.2 parts of thiamine, 28-30 parts of vanilla legume, and proper amount of 45% ethanol solution and water. The bioactive padding is provided with various beneficial microorganisms having different functions and can timely absorb, decompose and digest the excrement of swine during the breeding process, so that the non-point source pollution of the swine excrement to environment can be removed; in addition, the degradation products can be treated as the padding compositions such as edible protein. Therefore, the resource recycling in swine breeding is achieved; the culture economic benefits can be increased; mass swine breeding can be carried out.

Vanillin bacteria from microbial conversion isobutyl aromatic phenol and its production are disclosed. The process is carried out by fermentation culturing under optimizing condition, converting isobutyl aromatic phenol for 24í½96hrs from fermentation liquor or free cell or fixed cell with conversion liquor containing vanillic acid 2í½4g/L, conversion reacting for 72hrs in water-organic solvent double-phase system with vanillin concentration 32.5g/L in organic phase, adsorbing vanillin in conversion liquor from resin, extracting from ethyl acetate and obtaining light yellow crystalline vanillin powder. Extraction rate reaches 87%, purity of product reaches 98.1% and recovery rate reaches 93.4%.

The invention discloses an essence for trapping mosquitoes and flies. The essence for trapping mosquitoes and flies is prepared from, by mass permillage, 15 parts of 9,12,15-ctadecatrienal, 18 parts of methyl 2-fluorobenzoate, 18 parts of D-sorbitol, 10 parts of p-hydroxyphenethyl alcohol, 20 parts of pinane, 30 parts of isoeugenol and the like. P-methylphenol, benzpyrole, androsterone, hexahydropyridine (piperidine), molecular carboxylic acid and the like are added to the essence. The essence can effectively trap injurious insects and also has the important technical advantage that no chemical pollution is produced.

The invention discloses a peanut successive cropping obstacle conditioner based on the allelopathic autotoxicity effect and an application method thereof. The conditioner is composed of, by mass, 3%-10% of phenylalanine, 0.2%-1% of o-tert-butyl phenol, 0.2%-1% of 3,5-dimethylbenzoic acid, 0.2%-1% of isoeugenol, 0.5%-3% of salicylic acid, 0.3%-1% of borax, 0.3%-1% of sodium molybdate, 0.5%-3% of zinc sulfate, 0.5%-3% of ferrous sulfate, 0.5%-3% of manganese sulfate, 3%-10% of ethyl alcohol and 65%-90% of water, wherein the mass percent sum of all the components is 100%. The conditioner is simple in preparation technology and low in cost. The self-poison resistance of peanut plants is improved; meanwhile, growth is conditioned, the stress resistance is enhanced, the peanut successive cropping obstacle solving effect is good, and the yield is increased by 15%-20% compared with a control group to which the conditioner is not applied.

The invention belongs to the field of organic synthesis, and particularly relates to an isoeugenol synthetizing method, which comprises the following steps: a, adding eugenol and potassium hydroxide as per certain proportion into a three-necked bottle, and adding a glycols solvent to serve as a reaction solvent; b, under protection of nitrogen, heating to 160-170 DEG C and performing enclosed reaction between the reactants for 6-8 hours; c, after reaction, adding acid untill the pH value indicates acidic; d, adding methylbenzene, stirring, filtering, and washing the solid with small amount of methylbenzene; e, separating out organic phases from the filtrate in the step d, extracting the aqueous phase of the filtrate with methylbenzene, and combining the organic phases; f, washing the organic phases with water until the pH value indicates neutral, removing the solvent by means of a rotary evaporator, and performing reduced pressure distillation, so as to obtain a product. The isoeugenol synthetizing method can acquire trans-isoeugenol with content of more than 90% through further reaction, and is more suitable for industrialized produciton.

The invention discloses a polypropylene conductive plastic and a preparation method thereof. The polypropylene conductive plastic comprises the following components in parts by weight: 40-50 parts of PP, 30-40 parts of carbon black, 20-25 parts of PP-g-MAH, 8-10 parts of ethylene-propylene rubber, 10-15 parts of powdered aluminum, 1-15 parts of titanium tetrabutoxide, 5-9 parts of dioctyl terephthalate, 5-6 parts of sodium sulfite, 10-19 parts of ammonium persulfate, 12-18 parts of diisobutyl phthalate, and 11-17 parts of isoeugenol. The polypropylene conductive plastic of the present invention has very good mechanical properties, high impact strength and relatively low shrinkage, good stability and no proneness of deformation; and also has good conductivity, so the plastic can be widely used in anti-electromagnetic interference products, etc., and can be used to replace metal materials, wherein superior performance and lower cost can be achieved.

The invention belongs to the technical field of tobacco and specifically relates to functional essence for heating non-combustible tobacco products. Functional essence for heating non-combustible tobacco products comprises following components in percentage by weight: 1 to 3% of m-dimethoxyphenol, 0 to 5% of p-dimethoxyphenol, 0.5 to 2% of 2,6-dimethoxyphenol, 0 to 3% of p-ethylphenol, 1 to 5% of 2-isopropylphenol, 0 to 4% of 3,4-dimethylphenol, 0 to 0.5% of m-dimethoxybenzene, 0 to 0.5% of p-dimethoxybenzene, 0-0.5%of 1-methyl-3-methoxy-4-isopropylbenzene, 1-3% of eugenol, 0-1% of isoeugenol, 0.5-2% of guaiacol, 0.5-1% of propyl ethyl guaiacol and 70-90% solvent. The functional essence of the invention has the characteristics of stable property, strong pertinence, convenient use and simple production process.

The invention discloses a resin capable of remolding and degrading biomass benzoxazine and a preparation method of the resin. The method comprises the following steps: synthesizing a full-biomass benzoxazine monomer by taking biomass decamethylene diamine and isoeugenol as raw materials through Mannich reaction; copolymerizing with a Schiff base monomer, and performing curing to obtain the biomass benzoxazine resin with remodeling and degrading functions. According to the invention, the benzoxazine resin is endowed with the characteristics of recoverability, remolding and degradation for the first time. Compared with the prior art, the benzoxazine monomer disclosed by the invention is green in synthesis, the prepared remodelable and degradable biomass resin has higher thermal performance and tensile strength, the remodeling efficiency is higher, and the degradation condition is simple. The material can be applied to the fields of aerospace, electronic information and the like with high requirements on heat resistance.