2090results about "Essential-oils/perfumes" patented technology

The invention discloses an essence composition based on a blueberry extract and a preparation method of the essence composition, and belongs to the technical field of daily chemical essence preparation. The essence composition is prepared from the following raw materials in parts by weight: 14 to 20 parts of blueberry extract inclusion, 50 to 60 parts of deionized water, 3 to 4 parts of surfactant and 1 to 2 parts of cosurfactant. The essence composition is formed by mixing and stirring the blueberry extract wrapped by the modified poly-levodopa, the deionized water, the surfactant and the cosurfactant, so that the defect problem caused by high-temperature extraction methods such as water vapor and the like is avoided, and the prepared essence composition has a long-time fragrance retention effect.

The invention relates to the technical field of microcapsule encapsulation, and a novel preparation method is adopted to prepare microcapsule perfume. The microcapsule takes natural gelatin and paraffin as composite wall materials, a gradient structure is formed by optimizing the mass ratio (1: 2.5-1: 3.75), the gelatin provides mechanical support, and the paraffin endows hydrophobicity and thermal control release characteristics. Dissolving a solution in which the mass volume ratio of gelatin to water is (1: 2.5)-(1: 3) under an ultrasonic condition; mixing the molten paraffin with the liquid spice and the emulsifier to form an oil phase; the oil phase and the gelatin solution are mixed through magnetic stirring at the rotating speed larger than or equal to 800 rpm till the solid phase and the liquid phase are completely fused; after cooling and curing, separating to obtain the solid microcapsule. And when the temperature reaches the melting point (45-65 DEG C) of paraffin, the wall material is molten and quickly releases the perfume, and the slow release performance is excellent at normal temperature. The material is wide in application field and high in compatibility, and has the advantages of being green, safe, high in environmental stability and controllable in trigger release.

The present invention provides an anti-fatigue essential oil composition and a preparation method thereof, belonging to the technical field of compound essential oils. The essential oil composition comprises a compound essential oil and a eutectic composition; the compound essential oil comprises 1 to 25 parts of Torreya grandis aril essential oil, 1 to 20 parts of cinnamon leaf essential oil, 1 to 20 parts of lemon essential oil, and 1 to 15 parts of ginger essential oil; the eutectic composition comprises 1 to 3 parts of borneol and 1 to 10.5 parts of menthol. A potassium citrate solution is added to Torreya grandis arils, a sodium acetate solution is added to cinnamon leaves, a potassium citrate solution is added to fresh lemons, and purified water is added to ginger. The juices are squeezed separately and then distilled to obtain Torreya grandis aril essential oil, cinnamon leaf essential oil, lemon essential oil, and ginger essential oil. The present invention combines the four essential oils in a proportioned mixture to produce a compound essential oil, and adds the eutectic composition to produce an essential oil composition. The essential oil composition has significant fatigue-relieving and mentally refreshing effects, and is not easily tolerated.

The present invention relates to the technical field of aromatherapy, and specifically discloses a compound essential oil for alleviating anxiety, its preparation method and application. A compound essential oil for alleviating anxiety comprises raw materials in the following parts by mass: 50 - 65 parts of sweet almond oil, 12 - 16 parts of French lavender oil, 0.5 - 1.2 parts of Xinjiang lavender oil, 6 - 9 parts of cypress oil essential oil, 1 - 3 parts of Virginia cypress oil, 0.1 - 0.3 parts of complete ylang-ylang oil, 0.7 - 1.3 parts of Xinjiang sclareol oil, 2 - 4 parts of bergamot oil, and 2 - 4 parts of eucalyptus oil. The preparation method of the compound essential oil for alleviating anxiety is to mix the raw materials to obtain the compound essential oil. The present application also provides an application of the compound essential oil for alleviating anxiety in aromatherapy products. The compound essential oil for alleviating anxiety in the present application has obvious effects of alleviating anxiety emotions and improving sleep quality.

The invention relates to the technical field of controlled-release microcapsules, and particularly discloses a pH-responsive mold-targeted controlled-release essence microcapsule for daily chemicals and a preparation method thereof.The preparation method comprises the following steps that S1, chitosan is dissolved with an acid solution, a catalyst and a pH sensitive reagent are added under the protective atmosphere for a reaction, and a pH-responsive graft copolymerization product is obtained through separation and purification; s2, mixing the pH response graft copolymerization product, a cross-linking agent and a mould targeting reagent for reaction, and dialyzing and purifying to obtain a microcapsule wall material; and S3, emulsifying essence by using an emulsifier, and then adding a defoaming agent, the microcapsule wall material, the sodium tripolyphosphate aqueous solution and a pH regulator to prepare the pH-responsive mold-targeted controlled-release essence microcapsule for daily use. The microcapsule integrates specific recognition targeting ability and pH response release ability to mould, and can accurately release natural essence with bacteriostatic and aromatic functions at the mould breeding part of clothes, so that the dual effects of bacteriostasis and aroma retention are realized.

The invention relates to a preparation method and application of a silicon-based biodegradable essence microcapsule, and the preparation method of the silicon-based biodegradable essence microcapsule comprises the following steps: S1, uniformly mixing oily essence and a silicon-based mesoporous material to obtain an oil phase; dissolving an emulsifier in water to obtain a water phase; s2, mixing the oil phase and the water phase, and homogenizing to obtain an emulsion; and S3, adding a diisocyanate compound and polypropylene carbonate into the emulsion, and carrying out a stirring reaction to obtain the silicon-based biodegradable essence microcapsule. A silicon-based mesoporous material is introduced in the process of preparing the essence microcapsule by taking polypropylene carbonate as a wall material, a synergistic wrapping system of the essence microcapsule is constructed, and the volatile essence is subjected to double-layer protection by utilizing a mode of combining physical adsorption and chemical crosslinking embedding, so that the fragrance retention time of the essence is prolonged, and the fragrance retention time of the essence is prolonged. Meanwhile, the embedding rate of the microcapsule can be effectively improved, and the application of the essence microcapsule in actual production can be promoted by combining the biodegradable characteristic of the polypropylene carbonate.

The invention belongs to the technical field of forest chemical industry and natural perfume extraction and separation, and particularly discloses a superheated steam distillation separation and recovery method for perfume components in cinnamon oil rectifying still residues. The method comprises the following steps: processing the cinnamon oil rectifying still residues by adopting a steam distillation method taking normal-pressure superheated steam as a desorption medium, carrying out condensation cooling and phase separation on distilled oil-water mixed gas, and collecting oily liquid or crystalline solid containing cinnamon spice components, and carrying out one or more physical isolation methods such as freezing crystallization, vacuum fractionation or rectification, recrystallization and the like to obtain natural cinnamon monomer spices such as o-methoxycinnamaldehyde, o-methoxycinnamic acid, phenethyl alcohol and the like. The method has the advantages of low equipment investment, simple and feasible operation, low production cost, clean and pollution-free process, good operation safety, high industrial application feasibility and the like.

Various aspects of this disclosure relate to methods to lower the activation energy of the cannabinoid decarboxylation reaction by performing the decarboxylation reaction in the gas phase. In some specific embodiments, the method relates to the decarboxylation of a cannabinoid performed in a short-path distillation apparatus or a thin-film distillation apparatus.

The invention relates to a novel method for preparing microcapsule slurry. The microcapsule slurry is also an object of the invention. Perfuming compositions and consumer products, in particular perfumed consumer products in the form of home care or personal care products, comprising the microcapsule slurry are also part of the invention.

A volatile composition dispenser includes a reservoir comprising a volatile composition; and an evaporative surface in fluid communication with the reservoir. The volatile composition comprises a first fragrance material that is a meta-(C1-C4 alkoxy)salicylaldehyde, and the first fragrance material is present in an amount of at least 0.0005%, by weight of the volatile composition. A process of treating an environment with a volatile composition dispenser includes providing a volatile composition dispenser and providing the meta-(C1-C4 alkoxy)salicylaldehyde to the environment. A weight loss of the volatile composition over less than 11 days ranges from 7% to 20%.

The invention relates to the technical field of essence refining, and discloses essence refining equipment with a double-layer countercurrent separation structure, the essence refining equipment comprises a reaction part, the reaction part comprises a tower body, the tower body is fixedly connected with an inner cylinder through a limiting column arranged at the bottom of the inner wall of the tower body, and meshes are formed in the inner cylinder. The essence refining equipment with the double-layer countercurrent separation structure can effectively solve the problems that in the prior art, flowing of materials in an extraction tower is lack of effective guide and control, essence raw materials are prone to forming uneven flow field distribution in the tower after entering from a single feeding port, the flowing path of the materials in the tower is irregular under the action of gravity, and the extraction efficiency is high. The problems that the extraction process cannot be uniformly carried out and the overall extraction effect of essence is affected due to the fact that the material concentration in the area close to a feeding port is high and the material concentration in the area far away from the feeding port is low in the prior art are solved.

The invention relates to the technical field of plant component extraction, in particular to supercritical extraction equipment for plant component extraction, which comprises an extraction mechanism, the device further comprises a sealing mechanism, a smashing mechanism and a crushing mechanism. Dry ice is crushed through the crushing mechanism to form dry ice particles, the dry ice particles are discharged into the crushing mechanism at a high speed through the crushing mechanism, spices in the dry ice particles are crushed, then the crushed spices are discharged into the extraction mechanism through the crushing mechanism, and the extraction mechanism is sealed through the sealing mechanism. Carbon dioxide gas is continuously discharged into the extraction mechanism through supercharging equipment, oil substances in the spices are dissolved in liquid carbon dioxide, the internal temperature of the extraction mechanism is adjusted through the extraction mechanism, the liquid carbon dioxide is in a supercritical state, and the oil substances in the spices are extracted by reducing the pressure in the extraction mechanism. The liquid carbon dioxide is gasified, and oil substances in the spices are left, so that the practicability of the equipment is improved.

Provided are: a compound represented by the following formula (1); a flavor-imparting composition including the compound; a consumer product containing the flavor-imparting composition; a method of imparting a flavor to an flavor-imparting composition, the method including a step of adding the flavor-imparting composition to an flavor-imparting composition; and a method of imparting a flavor to a consumer product, the method including a step of adding the flavor-imparting composition to a consumer product.

The present invention relates to a tobacco flavor base module, flavor and heated cigarette that improve the consistency of puff by puff, and belongs to the field of tobacco flavors and fragrances. The tobacco flavor base module is composed of the following components: 3,4-dimethyl-1,2-cyclopentanedione slow-release flavor, 3,5-dimethyl-1,2-cyclopentanedione slow-release flavor, methylcyclopentenolone slow-release flavor, ethylcyclopentenolone slow-release flavor, furfural slow-release flavor, 5-methylfurfural slow-release flavor, furfuryl alcohol slow-release flavor, 2-methyltetrahydrofuran-3-one slow-release flavor, 4-hydroxy-2,5-dimethyl-3(2H)furanone slow-release flavor, 3-pentene-2-one slow-release flavor, ethyl maltol slow-release flavor, maltol slow-release flavor, 5-methyl-2-furanmethanol slow-release flavor. The present invention prepares the slow-release flavor by making each component into a slow-release flavor and then mixes it as a tobacco flavor base module, which not only improves the consistency of puff by puff during puffing, but also significantly improves the burnt sweet fragrance characteristics of heated cigarettes.

The invention relates to the technical field of air purifying materials, in particular to a negative oxygen ion air purifying agent and a preparation method thereof.The negative oxygen ion air purifying agent is prepared from ethyl cellulose, hydroxyethyl acrylate, citric acid activated bentonite, beta-cyclodextrine, neodymium-doped tourmaline powder, modified plant essential oil, propylene glycol and carboxymethylcellulose. Sodium polyaspartate and a pH buffer agent. According to the invention, through a triple technology of terpene-free essential oil selection, metal ion modification and beta-cyclodextrin coating, the problem of negative ion consumption of traditional essential oil is avoided, and the release amount and durability of negative oxygen ions are remarkably improved through a catalytic synergistic effect.

The invention belongs to the technical field of plant essential oil, and particularly relates to osmanthus essential oil and application thereof in preparation of pure natural children shampoo capable of removing dandruff, relieving itching and controlling oil. By optimizing the extraction process of the sweet osmanthus essential oil and adopting a method of combining enzymolysis pretreatment with reflux extraction, the extraction efficiency and the active ingredient content of the sweet osmanthus essential oil are remarkably improved. Compared with a traditional extraction method, the extraction process disclosed by the invention has the advantages that natural active ingredients, such as linalool, beta-glucoside and the like, in the osmanthus fragrans essential oil can be better reserved, so that the antibacterial and oil control effects are improved. The osmanthus essential oil is applied to the shampoo for children, so that mild and efficient scalp care can be provided for children. Compared with the traditional shampoo, the shampoo for children not only can clean hair, but also can remarkably reduce the problems of scalp itching, dandruff, excessive grease secretion and the like, and meanwhile, the irritation of chemical components to the scalp of children is avoided.

The invention provides a method for extracting plant essential oil, and belongs to the field of plant extracts. The extraction method of the plant essential oil comprises the following steps: when the plant raw material is an air-dried plant raw material, mixing the plant powder with water, absorbing water, carrying out solid-liquid separation to obtain wet plant powder, and carrying out microwave extraction on the wet plant powder to obtain the plant essential oil, and when the plant raw material is a fresh plant raw material, performing microwave extraction on the plant powder to obtain the plant essential oil. The low-temperature freezing crushing pretreatment microwave heating solvent-free extraction essential oil is higher in yield and shorter in extraction time, the obtained essential oil is richer in component, no solvent is used, and solvent pollution can be reduced. The essential oil yield is higher due to low-temperature freezing and crushing pretreatment, the loss of volatile compounds in a mechanical crushing stage is reduced, the extraction time is shorter mainly due to an efficient heating mode of microwave heating solvent-free extraction, and essential oil components are richer from the combination of the essential oil and the low-temperature freezing and crushing pretreatment.

The invention is suitable for the technical field of essential oil extraction, and provides a docynia delavayi fruit aromatic essential oil extraction device and method, and the docynia delavayi fruit aromatic essential oil extraction device comprises a shell; the juicing barrel is rotationally installed in the shell, a plurality of sets of filtering holes are formed in the side wall of the end, close to the plugging cover, of the juicing barrel, and a rotating unit used for fixing the juicing barrel or driving the juicing barrel to rotate is further arranged in the shell; the processing mechanism is used for crushing and extruding the materials in the juicing barrel, and the processing mechanism is arranged in the juicing barrel; the driving unit is located below the processing mechanism; through cooperative arrangement of the processing mechanism, the driving unit and the discharging unit, the problems that when an existing docynia delavayi fruit aromatic essential oil extraction device is used, the crushing and juicing effect on docynia delavayi fruits is poor, the juice yield is low, the extraction amount of essential oil is seriously affected, and the extraction efficiency of the essential oil is affected are solved. And reduction of production cost is not facilitated.

A method for preparing an endogenous flavoring of an aromatic plant. The method comprises the following steps: providing the dry powder of an aromatic plant; subjecting the dry powder of the aromatic plant to supercritical CO2 extraction, so as to obtain an extract I; subjecting the extract I to freeze drying, thermal cracking and molecular distillation, and taking a distillate, so as to obtain an extract II; subjecting the dry powder of the aromatic plant to enzymolysis, filtration and concentration, so as to obtain an extract III; subjecting the extract III to the Maillard reaction and membrane concentration, so as to obtain extract IV; and mixing the extract I, the extract II, the extract III and the extract IV, so as to obtain an endogenous flavoring of the aromatic plant. In the preparation method, directional extraction of important aroma precursors of tobacco is conducted and is combined with a thermal reaction process, thereby creating new types of endogenous aroma of tobacco to enrich same and making up for the problems of insufficient aroma and poor abundance of existing endogenous flavorings for tobacco. In addition, provided are an endogenous flavoring of an aromatic plant prepared by using the preparation method and an E-liquid flavor concentrate comprising the endogenous flavoring of an aromatic plant.

The invention discloses an extraction method and application of lavender essential oil based on yeast fermentation pretreatment, and belongs to the technical field of plant active ingredient extraction. The method comprises the following steps: activating saccharomycetes, inoculating the saccharomycetes into a mixture containing a crushed lavender raw material and water, and fermenting at 30-38 DEG C for 20-28 hours to obtain fermentation liquor; then sterilizing and centrifuging the fermentation liquor to obtain supernate; and finally extracting the essential oil through steam distillation. Through yeast fermentation pretreatment, the lavender cell wall structure is effectively destroyed, essential oil release and active ingredient conversion are promoted, and the essential oil yield and antioxidant activity are remarkably improved. Compared with a traditional steam distillation method, the method has the advantages that the essential oil yield can be increased from 0.55% to 0.75% or above, and the DPPH free radical scavenging rate can be increased to 51.75% or above. The method is green in process and simple and convenient to operate, a new way is provided for high-value utilization of lavender resources, and the prepared essential oil can be used for developing cosmetics with anti-oxidation and anti-aging effects.

The invention discloses a carboxylic acid reductase DeCAR recombinant plasmid and application of the carboxylic acid reductase DeCAR recombinant plasmid in preparation of aldehyde spices, belongs to the technical field of bioengineering, and further provides a recombinant bacterium containing the recombinant plasmid, and the carboxylic acid reductase DeCAR is further produced by using the recombinant bacterium, or the recombinant bacterium is directly applied to production of the aldehyde spices. Compared with other biocatalysts for preparing aldehydes, the carboxylic acid reductase and the recombinant bacteria thereof provided by the invention have the advantages of wide substrate spectrum, high catalytic activity, strong substrate specificity and the like, and have wide application prospects in industrial application.

This application relates to a fruity wood flavor for electronic cigarettes and its preparation process. The flavor comprises the following components by weight: 10-15 parts antioxidant microcapsules, 15-25 parts grafted chitosan, 3-5 parts surfactant, and 10-20 parts cedar flavor. This application improves the antioxidant, antibacterial, and formaldehyde-scavenging properties of the fruity wood flavor for electronic cigarettes.

The invention discloses a preparation method and application of a layered column three-dimensional MOF enhanced mixed matrix membrane, and belongs to the technical field of pervaporation membrane separation. The preparation method comprises the following steps: firstly, dissolving a copper metal source and 2, 3, 6, 7, 10, 11-hexahydroxytribenzene in a solvent to obtain Cu < 2 + > and a deprotonated organic ligand, adding a pillar ligand bipyridine in situ, and co-coordinating the double ligand and Cu < 2 + > to generate a layered column three-dimensional MOF (Metal Organic Framework); and doping the layered column three-dimensional MOF into a polymer matrix to prepare a membrane casting solution, and coating the surface of a support body with the membrane casting solution to prepare the layered column three-dimensional MOF enhanced mixed matrix membrane. According to the invention, the pillar ligand dipyridyl provides a supporting effect for the three-dimensional MOF and constructs a three-dimensional pore channel at the same time; the affinity site of the three-dimensional MOF has conjugated pi-pi, hydrophobic and hydrogen bond interaction on the perfume; the three-dimensional MOF and a high-molecular polymer have excellent compatibility, and the mixed matrix membrane simultaneously has affinity of the three-dimensional MOF to 2-PE and hydrophobicity of a polymer matrix; the pervaporation membrane can be used for pervaporation membrane perfume separation.

The invention belongs to the technical field of plant essential oil separation, and provides a plant essential oil high-purity separation method based on a molecular distillation technology, which comprises the following steps: firstly obtaining a free path of a substance molecule to be extracted in a raw material, sequencing to obtain a free path gradient, then converting into a temperature gradient, and dividing into a gradient adjacent part and a non-gradient adjacent part overlapped temperature domain. And for the non-gradient adjacent part overlapping temperature domain, constructing a non-gradient temperature change curve, analyzing the stability, and performing regulation and control when the stability is not stable. The method comprises the following steps: uniformly dividing an overlapped temperature domain of a gradient adjacent part into subintervals, carrying out heating-constant temperature-cooling circulation on each subinterval, collecting a first fraction product by using an independent condenser, carrying out secondary and multiple molecular distillation, and dynamically adjusting the boundary of the subintervals in combination with GC-MS analysis so as to remove impurities. According to the method, high-purity separation of the plant essential oil is realized through association of a molecular free path and temperature in combination with multi-interval circulating distillation and real-time monitoring, the problem of insufficient separation purity in the prior art is solved, and the product purity is improved.

An aroma therapy device atomizes an aromatherapy solution and recaptures a portion of the water in the solution. The device includes a lid, main body, and base. The base houses electrical components. The main body is coupled with the base and defines a reservoir holding the solution and an air channel therethrough. An umbrella deflects air traveling through the air channel across the solution the reservoir to entrain the mist. The lid is attached to the main body. And a bowl within the lid includes fluting defining a gap that allows the entrained mist to travel from the reservoir into the lid. The lid includes arcuate walls that direct the mist towards the center of the device. Aromatic substances evaporate from mist particles traveling through the lid to generate an aromatherapy scent. The mist impacts the bowl where it condenses and is recycled into the reservoir.

The invention belongs to the technical field of preparation of flavors and fragrances, and particularly relates to a litchi-flavor microcapsule essence composition and a preparation method thereof. The preparation method comprises the following steps: mixing modified cyclodextrin, an emulsifier, an initiator and water according to a weight ratio of (4-7): (0.5-0.6): (0.03-0.05): (56-62) to form a dispersion liquid; mixing an acrylate monomer, litchi essential oil and absolute ethyl alcohol according to a weight part ratio of (1-2): (3-4): (45-51) to form an oil phase; mixing the dispersion liquid and the oil phase according to the weight part ratio of 1: 1, heating to 75-80 DEG C, reacting for 2.5-3.5 hours to obtain microcapsule emulsion, and performing spray drying on the microcapsule emulsion to obtain the microcapsule essence composition. According to the preparation method, modified cyclodextrin is constructed and then polymerized and wrapped, so that the high-temperature resistance and the fragrance-holding and slow-release performance of the prepared microcapsule essence composition are improved.

This invention discloses a flavoring microcapsule for heated tobacco products, its preparation method, and its application, belonging to the field of heated tobacco technology. The preparation method includes the following steps: dissolving zein in an aqueous ethanol solution to obtain a zein solution; dissolving chitosan in an aqueous acetic acid solution to obtain a chitosan solution; then adding heterocyclic flavorings, polyvinyl alcohol, and antioxidants to the chitosan solution and mixing to obtain a flavoring solution; mixing and stirring the zein solution and flavoring solution evenly; then emulsifying under cold conditions and freeze-drying to obtain the flavoring microcapsule for heated tobacco products. The preparation method of this invention can obtain heterocyclic flavoring microcapsules with good morphology, high heterocyclic flavoring encapsulation rate, and high flavor loading capacity. When used in heated tobacco products, these microcapsules exhibit a suitable sustained-release rate, long-lasting aroma, and good consistency in each puff; moreover, the preparation method is simple, safe, and environmentally friendly.

The invention relates to the technical field of nicotine oral delivery essence, and discloses a solid essence composition, solid essence prepared from the solid essence composition and application of the solid essence composition. The solid essence composition comprises the following components: a liquid essence base material, a water-soluble embedding medium and ethyl vanillin glucoside. The solid essence prepared from the solid essence composition can be used for preparing nicotine bags. The solid essence prepared from the solid essence composition provided by the invention is high in flavor stability; the prepared solid essence can still maintain the original flavor of the essence to a relatively high degree after being placed at high temperature and high pH for 12 hours; the overall stability of the solid essence is protected by adding ethyl vanillin glucoside and an embedding technology, so that the flavor, color and luster of the nicotine bag are improved.

The invention relates to efficient extraction equipment and an extraction method for pepper flavor substances in pepper beer production. The device comprises an extraction device body and a control system, the body is provided with a feeding mechanism and an extraction mechanism, and the feeding mechanism is composed of a pulverizer and a vibration separation device and can pulverize and screen pepper; the extraction mechanism uses a COsolution and wort to extract pepper, the control system comprises a flavor fingerprint spectrum database, a machine learning model and a real-time control unit, and intelligent regulation and control of the extraction process can be realized. The extraction method comprises the steps of raw material sensing, AI decision making, accurate execution, in-situ continuous extraction, closed-loop feedback and the like. By optimizing the extraction process and the equipment structure, the extraction efficiency can be improved, the flavor consistency of beer is ensured, and the energy consumption and the cost are reduced.

Maintaining or enhancing the solubility and stability of natural products in personal products is a desirable characteristic that can be attained by using natural eutectic solvents (NADES). The solubility and stability is shown at a range of concentration levels. Being able to enhance the solubility and / or stability of these natural products such as essential oils and / or fragrances will lead to improved personal care products. These newly formulated personal care products will not only possess the requisite solubility and stability of available products but the use of NADES compositions will also lower the toxicity of the products, thereby making them attractive targets for use and for further study.