1668results about "Essential-oils/perfumes" patented technology

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 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.

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 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 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 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.

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.

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.

The invention provides a cola production process-oriented Chinese herbal medicine active component deep learning optimization extraction control method, and belongs to the technical field of adaptive control systems. The method comprises the following steps: establishing a staged sequential extraction model, and respectively designing distillation and water decoction processes for volatile and non-volatile components; a hybrid intelligent controller based on LSTM and a feedforward neural network is constructed, and real-time optimization control of process parameters is realized; designing a multi-objective comprehensive reward function, fusing extraction efficiency, product quality, energy consumption and taste indexes, and performing model training through reinforcement learning; a layered online detection system is configured, and dynamic monitoring and data fusion of key indexes are achieved; executing staged sequential optimization control, and adjusting process parameters based on real-time data to realize efficient extraction of active components; and establishing an edge and cloud collaboration mechanism, and continuously optimizing a control strategy through federal learning. According to the method, the extraction efficiency, the control precision and the product quality are remarkably improved.

The invention relates to the technical field of microcapsule essence, in particular to rapid phase change microcapsule essence and a preparation method thereof. The rapid phase change microcapsule essence is prepared from the following raw materials in parts by mass: 10 to 20 parts of n-hexadecane, 1 to 5 parts of essence, 1 to 3 parts of lauryl sodium sulfate, 3 to 6 parts of mesoporous silicon dioxide, 0.1 to 0.2 part of hexadecyl triethoxysilane, 1 to 2 parts of hydroxylated hexagonal boron nitride, 0.05 to 0.15 part of polyvinylpyrrolidone, 0.1 to 1 part of glycidyl methacrylate and 5 to 15 parts of methyl methacrylate. The invention relates to a UV (ultraviolet) photoinitiator, which is prepared from the following components in parts by weight: 1 to 3 parts of epoxy soybean oil acrylate, 0.08 to 0.6 part of citric acid, 0.05 to 0.15 part of photoinitiator and 0.08 to 0.6 part of persulfate initiator. The microcapsule disclosed by the invention has the characteristics of storing energy and regulating ambient temperature and has aromatic smell, and the preparation method is mild in condition, simple and easy to control in process and suitable for large-scale popularization and application.

The present application relates to bicyclo[2.2.1]hept-5-en-2-ol and related compounds, methods of making them, and methods of using them as flavor and fragrance ingredients in food, cosmetic, pharmaceutical, consumer, and other compositions and products.

The invention relates to a preparation method of citrus essential oil and a product and application thereof, the preparation method comprises the following steps: (1) mixing a citrus peel raw material with enzyme and water, and performing enzymolysis treatment to obtain an enzymolysis treatment solution; (2) performing high-voltage pulse electric field treatment on the enzymolysis treatment liquid to obtain solid-liquid mixed liquid; and (3) carrying out steam distillation on the solid-liquid mixed solution, collecting distillate, and separating an oil phase to obtain the citrus essential oil. The citrus essential oil is prepared by utilizing an enzymolysis-high-pressure pulse-steam distillation combined extraction method, the extraction process is low in condition, no organic reagent is introduced, the extraction process is green and environment-friendly, the loss of volatile active ingredients of the essential oil is less, and two treatments of enzymolysis and high-pressure pulse are added before steam distillation treatment, so that the yield of the essential oil can be increased; moreover, the tyrosinase inhibitory activity and the anti-free radical activity of the essential oil are also obviously improved, and the two pre-treatments promote each other and have a synergistic effect in the aspect of the effects.

The invention relates to the field of agilawood essence extraction, in particular to an agilawood essence substance extraction method which comprises the steps of raw material pretreatment, subcritical fluid extraction, molecular distillation purification, alcohol extraction and concentration and macroporous adsorption resin purification. According to the method, subcritical low-temperature extraction and molecular distillation technologies are combined, efficient, high-purity and sectional extraction of volatile essential oil and non-volatile essence substances in agilawood under the low-temperature condition is achieved, damage to thermosensitive components is effectively avoided, and no organic solvent is left.

The application discloses a kind of wild caltrop (ground fruit) non-aromatic component deep processing and essential oil multi-function application method, belong to wild and artificial cultivation plant whole component utilization, natural perfume application and chemical industry raw material preparation technical field.The application uses wild caltrop (ground fruit) whole plant each part as raw material, respectively extracts water-soluble polysaccharide, dietary fiber, flavonoids and other non-aromatic active ingredients and natural essential oil, and non-aromatic active ingredients are prepared functional food / health care product / additive, and natural essential oil is expanded to antibacterial disinfection, skin moisturizing, mosquito repellent and other non-aromatic function field of insect repellent;Simultaneously, the remainder of deep processing is prepared organic fertilizer or cellulose / lignin chemical industry raw material by type, realizes wild caltrop (ground fruit) whole component, whole link wasteless high-value utilization.The application adopts physical / food-grade processing mode, introduces mild chemical auxiliary extraction / fragrance preservation process, guarantees essential oil characteristic fragrance retention rate ≥92%;Clear each process parameter interval and product raw material ratio, and all products meet food / daily chemical safety standards.The application is suitable for large-scale industrial production, and process is stable and feasible.

The essential oil extraction device comprises a distillation retort, a condenser and an oil-water separator, the inlet end of the condenser is connected with the distillation retort through a drainage pipe, the outlet end of the condenser is connected with a conveying pipe, a temperature sensor is arranged on the conveying pipe, and the oil-water separator is connected with the oil-water separator. The tail end of the conveying pipe is connected with a collecting pipe and a return pipe through a three-way valve; the outlet end of the return pipe is connected to a return port formed in the top of the distillation retort. Compared with the prior art, the device has the advantages that the three-way valve is additionally arranged on the pipeline between the condenser and the oil-water separator, the other outlet end of the three-way valve is respectively connected with the collecting pipe and the return pipe, and the tail end of the collecting pipe is connected to the oil-water separator; one of the outlets is selectively opened through the three-way valve, so that unsaturated essential oil droplets flow back to the distillation retort through the return pipe for secondary distillation, and the quality and purity of the essential oil are improved; meanwhile, the energy consumption and the cost are reduced.

The utility model discloses a device for extracting iris root oil by vacuum distillation, which belongs to the technical field of vacuum distillation extraction and comprises a distillation kettle, a top cover is arranged at the upper end of the distillation kettle, and a support frame is arranged on the top cover. Through the oil-water separation device, oil-water separation can be carried out at the first time by utilizing the oil-water separation device after condensation and liquefaction of an extracted substance, the process can be realized without an additional device, the whole extraction process is simplified, a lifting structure is arranged on an end cover, and when the amount of essential oil and water is changed, the lifting structure is arranged on the end cover; the lifting structure can rapidly adjust the height of the oil suction pipe, it is guaranteed that the tail end of the oil suction pipe is located in essential oil all the time, normal operation of oil-water separation work is guaranteed, the servo motor, the lead screw, the movable sleeve and other structures are adopted, adjustment is flexible and convenient, adjustment at any position can be achieved in the stroke, and the oil-water separation efficiency is improved. And the screw rod and the movable sleeve have a self-locking effect, so that the stability of the adjusted oil suction pipe can be guaranteed.

The perfume-containing particles are provided to delight consumers with an enhanced olfactory experience during and after the laundry process. Each such particle contains a perfume, polyethylene glycol, and water-soluble or water-dispersible filler particles, the water-soluble or water-dispersible filler particles being characterized by a particle size of 5 micrometers to 150 micrometers.

A hybrid encapsulate formulation obtained by mixing a starch / fragrance emulsion with a core-shell capsule suspension is provided as is a method of using the formulation in a personal care product, a beauty care product, a fabric care product, a home care product, a personal hygiene product, an oral care product and a method for releasing an encapsulated fragrance by moisture, shear, or a combination thereof.

The utility model belongs to the technical field of essential oil extraction devices, and particularly relates to a crushing and mixing device for wormwood essential oil extraction, which comprises a first shell, a first supporting plate is fixed at one end of the outer side of the first shell, a first motor is fixed at the upper end of the first supporting plate, and a rotating rod is fixed at the output end of the first motor. The rotating rod is rotationally connected to the interior of the first shell, cams are fixed to the two ends of the outer side of the rotating rod, fixing plates are fixed to the two ends of the interior of the first shell, a filter screen is arranged at the upper ends of the two fixing plates, a push rod is fixed to one side of the lower end of the filter screen, and the lower end of the push rod penetrates through the lower ends of the fixing plates. According to the device, impurities such as gravel and soil attached to the surface of wormwood can be filtered through the filter screen, the impurities are prevented from entering the subsequent essential oil extraction link, pollution of the impurities to essential oil is reduced, and the purity and quality of the extracted wormwood essential oil are improved.

A compound of formula (I), which is an ether or ester, as a precursor for producing an aromatic alcohol according to formula (II); their use as perfume precursors, as well as perfume compositions and consumer products comprising said compounds. (I) and (II).