932results about "Essential-oils/perfumes" patented technology

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 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.

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.

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 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 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 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).

The invention belongs to the technical field of spectral analysis, and particularly relates to a pharmaceutical volatile oil extraction interface detection method and system based on spectral analysis, and the method comprises the following steps: synchronously collecting water transmission light intensity and oil transmission light intensity at a plurality of vertical sampling heights, and combining initial calibration light intensity to obtain a phase state contrast; obtaining a scattering penalty weight in combination with the reference transmission light intensity; acquiring a compensation interface gradient based on the scattering penalty weight and the phase state contrast; performing global peak search on the compensation interface gradient to extract the interface height and the compensation interface gradient extreme value, and further obtaining the emulsification turbidity; and obtaining a safe oil collection index based on the set reference elevation, the interface height and the emulsification turbidity, and carrying out automatic liquid outlet control based on the safe oil collection index. According to the method, physical noise is effectively filtered to accurately lock a real chemical interface, a decision model of comprehensive purity and reserves is constructed, and the extraction purity and batch-to-batch stability of volatile oil are improved.

The invention belongs to the technical field of extraction of plant essential oil, and particularly relates to an extraction process of cumin essential oil. The extraction process specifically comprises the following steps: pretreating cumin seeds, and then carrying out supercritical CO2 gradient subsection extraction to obtain crude oil of a first incense section and crude oil of a body incense and a bottom incense section in sequence; respectively carrying out degassing, cold precipitation, filtration and clarification on the two sections of crude oil, carrying out molecular distillation, and cutting according to an accumulative distillation ratio to obtain light, medium and heavy fractions and residual liquid; and finally, directionally blending all fractions from different crude oils according to a ratio to obtain a final product. The method comprises the following steps: carrying out gradient extraction on first incense and base incense components in cumin through a process of segmented enrichment, segmented refining and directional blending, respectively rectifying the first incense and base incense components into functional fractions, and then carrying out directional combination; the process can synergistically improve the aroma level integrity, processing adaptability and storage stability of the essential oil under conventional equipment, and realizes designable flavor.

The application discloses a high-oil-content essential oil microcapsule powder and a preparation method thereof, and belongs to the technical field of microcapsules. The preparation method comprises the following steps: preparing a gelatin water solution, preparing an acacia water solution, preparing an acacia-starch water solution, preparing a chitosan-tannic acid water solution, preparing an emulsion, primary crosslinking, and secondary crosslinking. The essential oil microcapsule powder prepared by the method has high oil content, low surface oil content, excellent slow-release performance, solubility, long-term controlled-release performance and fluidity, and uniform particle size distribution.

The utility model discloses an extraction device for essential oil production and processing, which relates to the technical field of essential oil production and comprises an outer barrel body, a cover plate is arranged at the top end of the outer barrel body, an inner barrel body is arranged on the inner side of the outer barrel body, and a limiting ring is arranged on the outer side of the top end of the inner barrel body; the bottom end of the outer barrel body is fixedly connected with a base, one side of the base is provided with a plug hole, the top end of the base is provided with a heating plate, and the heating plate is arranged between the outer barrel body and the inner barrel body; a filter plate is arranged on the inner side of the inner barrel body, and a rotating shaft is rotationally arranged at the bottom end of the filter plate. By arranging the outer barrel body and the inner barrel body and arranging the heating plate between the outer barrel body and the inner barrel body, the heating uniformity of the inner barrel body can be effectively improved, and by arranging the stirring assembly on the inner side of the inner barrel body, internal essential oil raw materials can be effectively stirred, so that the essential oil raw materials can be heated more uniformly; the essential oil can be quickly changed into steam to be discharged from the liquid guide pipe, so that the extraction efficiency is effectively improved.

The conversion of nootkatol to nootkaten in the terpene blend is mitigated or prevented by substantially or completely separating the nootkatol, such as α-nootkatol, from compounds present in the terpene blend that catalyze the chemical reaction of nootkatol to nootkaten, and / or by neutralizing at least a portion of the compounds present in the terpene blend that catalyze the chemical reaction of nootkatol to nootkaten. Also disclosed are methods of preparing the terpene blend, the terpene blend, flavor compositions containing the terpene blend, beverages and foodstuffs containing the flavor compositions, fragrance compositions containing the terpene blend, and fragranced products containing the fragrance compositions.

The utility model belongs to the field of spice extraction, especially a kind of continuous countercurrent extraction device of natural spice extraction, in view of the low solid-liquid mixing efficiency in the prior art, and volatile component serious problem of dispersing, present and propose the following scheme, it includes herringbone's extraction pipe, the bottom fixed sleeve of extraction pipe is equipped with condenser pipe, one end of extraction pipe is fixedly connected with the feeding tank of intercommunication, the other end of extraction pipe is fixedly connected with the outlet slag pipe of intercommunication, the lower fixed mounting of outlet slag pipe is equipped with collection tank, in the utility model, through motor drive gear rack meshing, reciprocating movement is promoted piston, dynamic extrusion is carried out to spice, so that the particle size of spice is less than 2mm, prevent the non-uniformity of particle size during transfer and produce accumulation, improve solid-liquid mixing efficiency, furthermore, through the cooling water of 15-25 ℃ from condenser pipe circulation, through pipe wall exchange heat, maintain the temperature constant in extraction pipe, prevent heat-sensitive component volatilization.

The utility model relates to a pure dew and natural fragrance integration preparation technical field discloses a pure dew and natural fragrance integration preparation device, including heating base and distillation component, still including valve component, pipeline component, condensing component, separation box, water outlet pipe, distillation component can place on heating base, water outlet pipe sets up on separation box, the utility model discloses, when distillation, if want to prepare pure dew, can rotate the rotating ring clockwise, make steam enter between outer tube and inner tube, steam can be condensed to semiconductor refrigeration piece to the steam and separates pure dew and essential oil through separation box to pure dew and exports from water outlet pipe, completes the preparation of pure dew, if want to prepare incense, can rotate the rotating ring counterclockwise, make steam enter in the inner tube, and steam does not pass through essential oil separation and directly collects, can prepare incense, and the device can prepare pure dew also can prepare natural incense, can satisfy different preparation demand.

The invention relates to the technical field of plant essential oil extraction, and discloses a valerian-rich rhizoma nardostachyos essential oil directional preparation process, which comprises: taking a functionalized compound solvent, adding rhizoma nardostachyos coarse powder according to a liquid-solid ratio, stirring and soaking to obtain a solid-liquid mixture; the solvent component comprises process water, sodium xylene sulfonate, dipotassium phosphate and polyethylene glycol 400; introducing steam into the mixture, heating to maintain slight boiling, carrying out first-stage distillation, and removing distilled low-boiling-point components to obtain resident in the kettle; cooling the resident to a constant temperature, adding sodium chloride, and stirring until the sodium chloride is dissolved to obtain a heterogeneous mixed system; the heating system is subjected to second-stage distillation, and distillate is collected; and carrying out oil-water separation on the distillate, and collecting an oil phase to obtain a finished product of the rhizoma nardostachyos essential oil. According to the method disclosed by the invention, a hydrotropy-salting-out phase change mechanism is matched with fractional distillation, so that high-efficiency desorption and directional enrichment of valerianone which is difficult to volatilize are realized while acidic and light component impurities are removed.

To provide a novel flavor enhancer. [Solution] A flavor enhancer containing one or more compounds selected from group A below as an active ingredient. A method for improving the flavor of a flavor-imparting composition, comprising the step of adding one or more compounds selected from group A below to the flavor-imparting composition. A method for improving the flavor of a consumer product, comprising the step of adding one or more compounds selected from group A below to the consumer product. (Group A) cis-2,3-dimethylthirayran, trans-2,3-dimethylthirayran, 2,2,3-trimethylthirayran, 2,2-dimethylthirayran

The invention belongs to the technical field of traditional Chinese medicine compositions, and particularly relates to plant essential oil for relieving altitude stress and a preparation method thereof. According to the method, Tibetan medicine plants serve as core raw materials, active ingredients of the Tibetan medicine plants are completely reserved through a low-temperature smashing technology, and then the high-purity Tibetan medicine plant essential oil is accurately extracted through a supercritical CO2 extraction technology; then, according to efficacy suitability, Tibetan medicine plant essential oil is scientifically compounded with various selected plant essential oil, finally, the compound plant essential oil capable of effectively relieving acute altitude stress is researched and developed, component activity and practical efficacy are both considered, and a natural relieving scheme is provided for body discomfort in the altitude environment.

The application belongs to the field of daily chemicals, and particularly relates to a preparation method of hydrogenated castor seed oil and a scalp hair and hair shampoo thereof, which comprises the following steps: S1. crushing castor seeds and sieving to obtain castor seed powder; S2. treating the castor seed powder in a low-frequency pulse electric field and intermittent microwave to obtain pretreated castor seed powder; S3. mixing the pretreated castor seed powder with a composite enzyme preparation and performing subcritical extraction to obtain an extraction liquid; S4. filtering and distilling the extraction liquid to obtain a refined filtrate; S5. mixing the refined filtrate with a palladium-carbon catalyst to obtain a semi-finished product; and S6. passing the semi-finished product through a fixed bed layer of special activated carbon to obtain a first filtrate, and filtering to obtain hydrogenated castor seed oil. The application can retain active natural ingredients in the hydrogenated castor seed oil to a large extent, and significantly improve the content of effective ingredients, so that the product prepared from the hydrogenated castor seed oil has excellent maintenance effect.

To provide a deactivator for deactivating the psychological or psychoactive effects of nervous odor components.SOLUTION: A deactivator comprises cis-3-hexenol, cis-3-hexenyl acetate, and at least one component selected from the group consisting of combinations thereof. The deactivator deactivates the psychological and / or psychoactive effects of secreted components.SELECTED DRAWING: None

The utility model discloses a tangerine peel essential oil filtering and purifying device and relates to the field of essential oil extraction. Which comprises a filtering tank and is characterized in that the filtering tank is divided into an upper tank and a lower tank through a partition plate, a filtrate outlet is formed in the partition plate and communicated with the upper tank and the lower tank, a filtering assembly and a scraping assembly are arranged in the upper tank, and the edge of the filtering assembly is fixed to the inner wall of the upper tank; the scraping assembly is in contact with the filtering assembly, and the scraping assembly rotates to drive the edge of the scraping assembly to scrape the filtering assembly; a negative pressure hole is formed in the side wall of the lower tank and communicated with a negative pressure assembly through a pipeline, and when the negative pressure assembly is started, negative pressure is formed in the lower tank. The device has the advantages that the filtering frequency is reduced, and the filtering and purifying efficiency is improved.

The invention relates to the technical field of essences, in particular to a high-temperature-resistant long-lasting slow-release double-layer microcapsule powder essence and a preparation method thereof.The high-temperature-resistant long-lasting slow-release double-layer microcapsule powder essence comprises a core material and a wall material wrapping the core material, the wall material accounts for 75-90 wt%, and the core material accounts for 10-25 wt%; the core material comprises the following raw materials in parts by weight: an oil phase: 25-35 parts of oily essence and 0.5-6 parts of diisocyanate; a water phase: 10-20 parts of a surfactant, 2-6 parts of amino resin, 0.1-2 parts of a pH regulator and 44.6-84 parts of deionized water; the wall material comprises a starch derivative. The double-layer microcapsule powder essence is formed by coating the oily essence in a double-layer manner, the volatile oily essence is protected in a double-layer manner, the fragrance retention time of the essence is greatly prolonged, and on the other hand, the double-layer microcapsule powder essence has the effect of resisting high temperature and high pressure, can slowly release fragrance for a long time, and is safe and reliable. The problems that essence is easy to volatilize, not resistant to high temperature and not easy to use in a leather perfuming scene are solved.

The invention belongs to the technical field of plant extraction, and particularly relates to fokienia hodginsii heartwood essential oil and an extraction process and application thereof in termite prevention and control. The extraction process of the Fujian cypress heartwood essential oil comprises the following steps: mixing Fujian cypress heartwood powder, NaCl and water, carrying out ultrasonic treatment, carrying out steam distillation extraction treatment on the obtained mixture, and collecting an upper oily substance in an extracting solution, so as to obtain the Fujian cypress heartwood essential oil, the content of NaCl in the mixture is 8 to 10 weight percent. The key point of the invention is that NaCl with a specific concentration is added when the ultrasonic-assisted steam distillation extraction process is adopted to extract the essential oil from the Fujian cypress heartwood, so that on one hand, the extraction rate of the Fujian cypress heartwood essential oil can be improved, and on the other hand, the extraction of some heavy oil components with good biological activity in the Fujian cypress heartwood is facilitated; therefore, the obtained centella asiatica heartwood essential oil shows excellent contact killing, repelling and fumigating effects on termites.

The invention provides a silicon dioxide essence microcapsule which is characterized in that essence is coated in a hydrophobic organic compound in a mononuclear or multinuclear form to form a core layer; and silicon dioxide is a shell layer. The outer layer of the microcapsule is a silicon dioxide shell, the secondary outer layer is a hydrophobic organic compound which is solid at room temperature, and essence is dispersed in the secondary outer layer in a single-core or multi-core form. The preparation method adopts a soap-free method and comprises the following steps: mixing and emulsifying essence, an organic compound which is in a solid state at room temperature and a polyalkoxy siloxane precursor, and then performing hydrolytic condensation on the precursor on a water phase interface to form a silicon dioxide shell so as to realize coating. The method is environment-friendly, and a surfactant does not need to be added. The obtained microcapsule has the characteristics of high encapsulation efficiency, excellent long-acting slow release performance, excellent thermal response controlled release capability and capability of desorbing and reloading essence after being used, and has wide application prospects in the fields of daily chemicals, textiles, foods and the like.

The invention discloses a pogostemon cablin essential oil clathrate compound preparation device, and relates to the technical field of medicine preparation, the pogostemon cablin essential oil clathrate compound preparation device comprises a kettle body, the bottom of the kettle body is an arc-shaped lower sealing head structure; the flow guide cone is arranged in the center of the bottom of the kettle body, and baffles are vertically arranged on the inner wall of the kettle body in a circumferential array mode; the stirring assembly is arranged in the kettle body, and the stirring assembly is used for being matched with the flow guide cone and the baffle and is used for guiding liquid in the kettle body to circularly flow up and down; the outer circulation high-shearing assembly comprises a high-speed shearing device, a suction inlet assembly is arranged at the side bottom of the kettle body and communicated with a feeding port of the high-speed shearing device, and a backflow port is formed in the side wall of the kettle body and communicated with a discharging port of the high-speed shearing device; an outer circulation passage is formed between the kettle body and the high-speed shearing device; the ultrasonic-assisted assembly is arranged near the suction inlet assembly; and the essential oil injection pipe is arranged in the flow guide cone.

The invention discloses a flavor modifier, atomized essence and an aerosol generating device, and relates to the technical field of essence. According to the technical scheme, the flavor modifier comprises an active agent, a compound containing a phenolic hydroxyl group and-O-beta-D-glucosidic bond or a compound containing an alcoholic hydroxyl group and-O-beta-D-glucosidic bond is selected as the active agent, and the flavor modifier can be weakly combined with a Piezo channel in a trigeminal nerve to directly modulate a trigeminal nerve mechanoreceptor, so that the flavor of the trigeminal nerve is improved. The activity of the Piezo channel is inhibited, so that the sensitivity of the Piezo channel to mechanical friction of aerosol particles is reduced, and the nasal cavity roughness is reduced. Meanwhile, the flavor modifier disclosed by the invention can also cooperate with olfactory signals transmitted by other components in the atomized essence to jointly improve the smoothness, the fineness and the overall moist feeling of the fragrance.

The present invention relates to specific thioether-based fragrance precursor compounds of formula (I) derived from mercaptosilanes and selected fragrances, and a process for their preparation. Furthermore, the present invention relates to washing or cleaning agents, cosmetic compositions, and a perfume composition containing such fragrance precursor compounds. In addition, the present invention relates to a process for the long-lasting fragrance application of surfaces using the fragrance precursor compounds and compositions according to the invention.

The invention relates to a preparation method of peppermint essence, which solves the problems of quick volatilization and poor durability of the traditional peppermint essence by optimizing the combination of essence components and a slow-release carrier by adopting a multi-layer microcapsule slow-release technology and a nanocapsule technology. According to the method, essence components such as menthol, menthone and leaf isovalerate are mixed with at least two layers of microcapsules, the outer layer microcapsules slowly release fragrance, the inner layer microcapsules quickly release fragrance, and it is ensured that the fragrance is kept for a long time in the using process. Meanwhile, the essence is uniformly dispersed in different carrier systems through ultrasonic-assisted emulsification by adopting a nanocapsule technology, so that the stability and dispersity of the essence are improved. In addition, the temperature-responsive and pH-responsive polymer materials are introduced, so that the release rate of the essence can be adjusted according to the external environment, and the adaptability of the essence is further enhanced.