4111results about "Essential-oils/perfumes" patented technology

Compositions which are fragrant and contain at least a member set culled from a library of compositions, each being comprised of sub-combinations of selected terpenes. Fragrances that mimic that of various states of organic and synthetic aromatics including products, processes and those from non-combusted plant products, among other things, uniquitous products, processes, medicinals, and related moieties leverage databases of all known terpene groupings are offered for consideration, and have been provided, according to the instant teachings.

The invention discloses a separation and extraction system for torreya grandis aril essential oil and an essential oil production line, and the system comprises a squeezing mechanism which comprises a mesh bag for containing torreya grandis aril and a squeezing disc; the distillation mechanism comprises a distillation retort and a steam guide assembly, the distillation retort is connected with a feeding pipe and a steam conveying pipe, the feeding pipe is communicated with the liquid outlet channel, and the steam guide assembly is used for guiding steam introduced into the distillation retort; the condensation mechanism is connected with the distillation retort through a condensation guide pipe, and distilled volatile oil is guided into the condensation mechanism together with steam to be condensed; the oil-water separation mechanism is connected with the condensation mechanism through a separation guide pipe, and the oil-water mixture output by the condensation mechanism is guided into the oil-water separation mechanism for oil-water separation and extraction. The essential oil separation and extraction system and the essential oil production line are suitable for torreya grandis planting fields with limited yield to extract essential oil, and the situation that torreya grandis aril is discarded as waste, and resources are wasted is avoided.

The present invention discloses a method for improving tobacco leaf quality, and relates to the technical field of tobacco processing. A method for improving tobacco leaf quality of the present invention specifically includes the steps of preparing an enzymatic hydrolysis extract solution, a primary fermentation, and an alcoholization step, wherein composite flavoring particles are added in the step of preparing the enzymatic hydrolysis extract solution, the composite flavoring particles are based on magnetic ferric oxide / porous graphene oxide particles, and the pores of the matrix are filled with modified chitosan, lysine microcapsules are dispersed in the modified chitosan, and the modified chitosan is made of 2,3-epoxypropyltrimethylammonium chloride grafted modified chitosan. The present invention discloses a method for improving tobacco leaf quality, which can improve the smoking quality of tobacco leaves more comprehensively by using tobacco stem enzymatic hydrolysis extract solution and microorganisms, and has a better quality improvement effect.

The utility model relates to the technical field of rose essential oil preparation, in particular to a distiller for rose essential oil preparation, which improves the distillation efficiency, can clean the inside, ensures normal use, is convenient to move integrally and is beneficial to wide popularization. Comprising a distillation cylinder, a heating sleeve and a condensation mechanism, the outer wall of the distillation cylinder is sleeved with the heating sleeve, and the input end of the condensation mechanism is connected with the top output end of the distillation cylinder; the bottom end of the distillation cylinder is installed at the top end of the base, the base is installed at the top end of the moving mechanism, the water tank is installed at the left end of the top of the moving mechanism, the water tank is provided with the water adding opening and communicated with the distillation cylinder, and a supporting assembly is installed on the lower portion of the moving mechanism. The stirring mechanism is mounted in the distillation cylinder, a feeding hole is formed in the right end of the top of the distillation cylinder, and the feeding mechanism is mounted at the feeding hole.

The invention relates to the technical field of essential oil extraction and analysis, in particular to a vitex trifolia leaf essential oil extraction and component analysis and identification method which comprises the following steps: S1, pretreatment of vitex trifolia leaves: flushing the vitex trifolia leaves with clear water for 10-15 minutes, drying moisture on the surfaces of the vitex trifolia leaves, preparing an extraction device, setting the extraction device to be in an initial state, and extracting the vitex trifolia leaves; putting vitex trifolia leaves into an extraction device; s2, squeezing the vitex trifolia leaves: squeezing the vitex trifolia leaves of which the surface moisture is dried by an extraction device for 5-10 minutes to obtain squeezed vitex trifolia leaves and a vitex trifolia leaf oil-water mixture; s3, grinding the vitex trifolia leaves: grinding the squeezed vitex trifolia leaves for 10-15 minutes through an extraction device to obtain ground vitex trifolia leaves and a vitex trifolia leaf oil-water mixture; s4, filtering vitex trifolia leaf essential oil: filtering vitex trifolia leaves and the vitex trifolia leaf oil-water mixture through an extraction device to obtain a vitex trifolia leaf oil-water mixture; s4, extracting vitex trifolia leaf essential oil; the device has comprehensive functions and can effectively improve the extraction efficiency.

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 microcapsules, in particular to an organic-inorganic hybrid slow-release essence microcapsule and a preparation method thereof. The invention discloses an essential oil silane coupling agent which comprises the following components in percentage by weight: 10-35% of essential oil, 1-10% of a silane precursor, 0.01-2% of a silane coupling agent, 1-15% of polyisocyanate, 0.01-10% of an emulsifier, 0.01-10% of a polyamine compound and the balance of deionized water. Through the combination of sol-gel and interfacial polymerization methods, the stability of the essence is improved, so that the essence is not easy to volatilize or decompose after being stored for a long time or in different environments, the essence is effectively prevented from being in direct contact with air, and the lasting time of the fragrance is prolonged; in the using process of the organic-inorganic hybrid essence microcapsule, active substances are released in a slow release mode through the microcapsule, and environmental pollution and diffusion can be reduced.

The invention relates to the technical field of wormwood essential oil, in particular to a wormwood essential oil extraction method which comprises the following steps: S1, preparing materials, namely preparing fresh wormwood and water, purifying the water by using water treatment equipment, preparing the water into purified water, cleaning the wormwood by using the purified water, removing dust on the surface of the wormwood, and separating leaves and stems of the wormwood; s2, smashing, wherein wormwood leaves and wormwood stems are separated and cut up; s5, separation: disinfecting the wormwood essential oil through high-temperature and high-pressure equipment, then separating volatile oil and water, and then separating the essential oil from other impurities by adopting an extraction method. The method has the advantages that the purity of the wormwood essential oil is improved, and the quality of the wormwood essential oil is facilitated.

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 invention discloses a spice extraction device for spice processing, and belongs to the technical field of spice processing equipment. The spice extraction device for spice processing comprises a cylinder body and a power device and further comprises a planetary gear train, a gear ring is connected with the cylinder body, and a sun gear of the planetary gear train is connected with the power device; each transmission shaft is connected with one planet gear of the planetary gear train; the conical fixed grinding disc is arranged at the bottom of the cylinder body; each conical movable grinding disc is connected with one transmission shaft; the spoilers are arranged in the cylinder body, each spoiler is connected to one conical movable grinding disc, and the spoilers are used for stirring liquid in the cylinder body. According to the spice extraction device for spice processing, raw materials can be extruded and kneaded, and the raw materials and an extraction agent are fully stirred, so that the uniformity of the raw materials in the extraction agent is improved, the grinding effect of the raw materials is further improved, and the utilization rate of the raw materials is increased.

The present application relates to the technical field of deodorant preparation, and specifically to a method for preparing a plant-based bactericidal deodorant based on optimization of preparation parameters, the method comprising: mixing plant extract raw materials, extracting and purifying to obtain a mixed plant extract; washing wintersweet petals, drying and grinding to obtain wintersweet petal powder, adding ethanol solution for heating and reflux, centrifuging, taking the supernatant and chitosan, glacial acetic acid, water, and silver nitrate solution for stirring, and adaptively adjusting the temperature of the solution heated and refluxed after stirring to obtain a bactericidal composite material; mixing clove essential oil, lavender essential oil, and green tea essential oil evenly to obtain a mixed deodorant essential oil; mixing the mixed plant extract, the mixed deodorant essential oil, cyclodextrin, and the bactericidal composite material, and stirring evenly to obtain a plant-based bactericidal deodorant. The present application aims to adaptively adjust the reflux temperature considering the historical heating and reflux conditions to improve the quality of the preparation of the plant-based bactericidal deodorant.

The invention belongs to the field of sweet osmanthus essential oil extraction, and discloses an anti-oxidation continuous extraction device and method for sweet osmanthus essential oil. The extraction device comprises a steam box, a vent hole placement plate and a heating pipe, sliding grooves are symmetrically formed in the steam box, lifting assemblies are arranged in the sliding grooves and comprise sliding plates, and squeezing assemblies used for squeezing the upper surface of the vent hole placement plate are arranged on the upper surfaces of the sliding plates. After extrusion is completed, a hydraulic cylinder is started to enable the telescopic end of the hydraulic cylinder to drive a pressing plate to move upwards till a carding brush makes contact with the surface of an air hole containing plate, a cleaning plate is driven by a moving assembly to transversely move in the direction of a moving groove, and therefore a brush on the upper surface of the cleaning plate is driven to clean sweet osmanthus raw materials attached to the lower surface of the pressing plate; meanwhile, ventilation hole osmanthus fragrans raw materials attached to the surface of the ventilation hole placing plate are dredged and pushed aside through a carding brush to prevent the ventilation holes from being blocked to affect the distillation efficiency, extraction does not need to be interrupted during cleaning, and the extraction efficiency is improved.

The utility model discloses a spice counter-current extractor which comprises an extraction barrel assembly, the extraction barrel assembly comprises a plurality of extraction barrels which are connected in sequence, and the adjacent extraction barrels are connected in a sealed mode. Each extraction barrel is in a hollow barrel shape, a spiral shaft is coaxially arranged in each extraction barrel, and the spiral shafts in the adjacent extraction barrels are in spline connection; the spiral shaft is used for driving spices in the extraction barrel to move forwards through blades of the spiral shaft; a feed port is formed in the front end of the extraction barrel assembly, and a discharge port is formed in the rear end; the rear end of the extraction barrel assembly is provided with a solvent inlet, and the front end is provided with a solvent outlet; the screw shaft is connected with a motor; a plurality of extraction barrels are mutually connected to form the extraction barrel assembly, spices and an extraction solvent continuously enter from the front end and the rear end respectively, the spices are driven by a spiral shaft to move forwards, the extraction solvent flows backwards, the spices and the extraction solvent form a countercurrent potential, continuous extraction of spice essential oil is completed, the cleaning time of an extraction container is shortened, and the extraction efficiency is improved. Yield increase and efficiency improvement are facilitated.

The invention belongs to the technical field of membrane materials, and relates to a PDA / TA / FeOOH-PVDF self-cleaning membrane and a preparation method and application thereof.The preparation method comprises the steps that firstly, membrane pretreatment is conducted, and a pretreated PVDF membrane is obtained; 2, dopamine hydrochloride is dissolved in a Tris-HCl solution, then FeCl3. 6H2O and tannic acid are added to prepare a solution, then the pretreated PVDF membrane is placed in the solution, and the PDA / TA / Fe (III)-PVDF membrane is obtained after uniform mixing; 3, FeCl3. 6H2O is dissolved in water, then the PDA / TA / Fe (III)-PVDF membrane is added for in-situ mineralization, and a target product is obtained. According to the PDA / TA / FeOOH-PVDF self-cleaning membrane provided by the invention, the technical problems that PVDF is low in hydrophilicity and easy to pollute can be solved; the method is used for separating traditional Chinese medicine volatile oil and has excellent separation efficiency.

The invention relates to candida tropicalis, application of the candida tropicalis, a preparation method of tobacco flavor and the tobacco flavor, and belongs to the technical field of microorganisms. The method comprises the following steps: firstly, separating a series of saccharomycetes from a tobacco leaf sample, and screening out a saccharomycete H8 with strong fragrance from the saccharomycetes; the saccharomycetes H8 are identified by using morphology and molecular biology, the saccharomycetes H8 is candida tropicalis and is preserved in the China Center for Type Culture Collection (CCTCC), and the preservation number is CCTCC NO: M 20242185. Furthermore, the invention finds that the tobacco extract and the waste tobacco shreds are fermented by using the saccharomycetes H8, and the contents of various aroma components in the fermented fermentation liquor are obviously increased, so that the flavor of the tobacco extract is improved, the aroma amount and the aroma quality are obviously improved, and the smoke strength and the sweet aftertaste are promoted. Therefore, the candida tropicalis H8 provided by the invention has relatively great application potential in improving the quality of the tobacco products.

The invention discloses Rhododendron molle essential oil and a preparation method and application thereof, and the Rhododendron molle essential oil is prepared by selecting leaves, buds and / or annual branches of Rhododendron molle as raw materials through a subcritical extraction-molecular distillation refining method. The content of calamus alcohol in the essential oil is greater than or equal to 25%; the total content of the alcohol compounds is greater than or equal to 64%, the physicochemical properties of the essential oil are as follows: the refractive index is 1.5, the specific gravity is stable, the peroxide value is low, the saponification value is 15-10mg / g, the iodine value is 145-141 g / 100g, and the essential oil can be applied to the fields of skin care products, cosmetics and fragrances. The content of calamus alcohol in the essential oil is obviously higher than that of other Rhododendron molle essential oil extraction methods in the prior art; the total content of the alcohol compounds is greater than or equal to 64%, so that the chemical composition of the essential oil is enriched, and the biological activity of the essential oil is remarkably improved; the essential oil has good optical stability; the stable specific gravity shows that the components of the essential oil are not easy to change remarkably in the storage and use processes.

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 utility model relates to the technical field of spice filtering and purifying devices, in particular to a spice processing, filtering and purifying device which comprises a preparation cylinder, a discharging valve fixedly installed on a discharging pipe, a spiral feeder arranged at the bottom end of the discharging pipe, and a feeding end fixedly installed at the tail end of the discharging pipe. A liquid outlet pipe is arranged at the discharging end of the spiral feeder, a fixing ring is fixedly installed at the feeding end of the liquid outlet pipe, one end of the fixing ring is hinged to the discharging end of the spiral feeder through a hinge, and fixing protruding blocks are fixedly installed on the fixing ring and the other side face of a barrel at the end of the spiral feeder. The two fixing protruding blocks are fixedly connected through fastening bolts, a blocking ring is fixedly installed on the inner wall of the fixing ring, a supporting ring is arranged on the front side of the blocking ring, a mesh plate is arranged in the center of the supporting ring, and a filter screen is arranged on the surface of the mesh plate. The filtering and purifying device is convenient for filtering and purifying operation and discharging.

The invention relates to the technical field of essence preparation, and particularly discloses an essence microcapsule with a degradable shell as well as a preparation process and application of the essence microcapsule. The invention discloses a preparation process of shell degradable essence microcapsules. The preparation process comprises the following steps: step 1, weighing a proper amount of water, starch sodium octenylsuccinate, essential oil and polyisocyanate; 2, mixing starch sodium octenylsuccinate with water to obtain a continuous phase; step 3, mixing polyisocyanate with essential oil to obtain a dispersed phase; 4, mixing the continuous phase and the dispersed phase to obtain an emulsion; and 5, adding a sodium hydroxide solution, and carrying out a heat preservation reaction for 2-6 h to obtain the shell-degradable essence microcapsule. The prepared essence microcapsule shell can be naturally degraded after being used, so that pollution to the environment is reduced, the environmental protection performance of an essence product is effectively improved, and potential hazards of micro-plastic pollution to marine ecology and biodiversity are effectively reduced.

The invention discloses a method for preparing microcapsules from beta-cyclodextrin inclusion compound microcrystal stabilized sandalwood essential oil, and belongs to the technical field of microcapsule preparation. The method comprises the following steps: preparing sandalwood essential oil / beta-cyclodextrin inclusion compound microcrystals, emulsifying and dispersing the sandalwood essential oil by using the inclusion compound microcrystals as an emulsifier, adding resin, and carrying out a condensation reaction to prepare the microcapsule suspension. According to the preparation method, firstly, beta-cyclodextrin and essential oil are embedded to obtain clathrate microcrystals, then the clathrate microcrystals serve as an emulsifying agent, the emulsifying effect of the essential oil is improved, resin microcapsules are convenient to prepare, and the microcapsules prepared through the method are high in essential oil embedding rate and good in stability; beta-cyclodextrin inclusion compound microcrystals are selected as a Pickering emulsion stabilizer, so that the emulsifying and stabilizing effects are good, and the microcapsule emulsion is not layered.

The invention discloses a metal organic framework adsorption material and a preparation method and application thereof, and relates to the technical field of chemical adsorption material preparation, the metal organic framework adsorption material comprises the following raw materials: ZrCl4, 2-aminoterephthalic acid, imidazole, chloramine salt, plant essential oil, a pore-forming agent and the like. The invention also discloses a preparation method which comprises the following steps: dissolving ZrCl4, 2-aminoterephthalic acid and hydrochloric acid in N, N-dimethylformamide; the reaction liquid, dichloroalkane and xylene are mixed, and UIO66-Cl is obtained; the preparation method comprises the following steps: putting UIO66-Cl and aminoimidazole into xylene; reacting with glycidyl methacrylate; and sequentially adding the reaction product, plant essential oil, a pore-forming agent and the like into absolute ethyl alcohol, and reacting to obtain the metal organic framework adsorbing material. The adsorption material provided by the invention has selectivity on plant essential oil mainly containing alcohol and ketone chemical substances and is high in adsorption capacity.

The invention discloses a composite polydopamine aromatic microcapsule and a preparation method thereof, the core material of the composite polydopamine aromatic microcapsule is aromatic oil, a Pickering emulsion is prepared by encapsulating an aromatic compound through cellulose nanocrystals (CNC), and then a polyphenol compound is deposited outside emulsion drops to form an elastic interface film, so that the composite polydopamine aromatic microcapsule is prepared. And the outermost layer is coated with polydopamine. The composite polydopamine aromatic microcapsule disclosed by the invention can realize mechanical stimuli-responsive release, and the utilization rate of aromatic oil can be remarkably improved; the preparation method is simple, the reaction conditions are mild, the used raw materials are biodegradable substances, the green and environment-friendly requirements are met, and the application prospect is good.

The present invention relates generally to novel mixtures of (2E)-3-(1, 3-benzodioxol-5-yl)-N-phenyl-N-(tetrahydro-3-furyl)-2-acrylamide and to the use thereof.

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 belongs to the technical field of microorganisms, and relates to an aroma-producing yeast XW2-1 and application thereof. The aroma-producing yeast XW2-1 disclosed by the invention is clavipora lusitaniae and is preserved in the general microbiological center of the China Committee for Culture Collection of Microorganisms on June 14, 2024, and the preservation number of the aroma-producing yeast XW2-1 is CGMCC (China General Microbiological Culture Collection Center) No. 30947. The aroma-producing yeast XW2-1 disclosed by the invention is high in growth speed, relatively strong in tolerance and outstanding in aroma-producing effect, and can be used for tobacco aroma enhancement. The strain can ferment tobacco powder in a liquid state, the variety and content of aroma components in fermentation liquor are remarkably increased, and the total amount of the aroma components is increased by two times or above. The tobacco flavor produced by fermentation of the strain has typical aroma characteristics, the aroma enhancement effect is remarkable, the smokeability is high, and the smoking quality of tobacco products can be improved.

The invention discloses a spice squeezing system with a synergistic mechanism, and relates to the technical field of spice squeezing, the spice squeezing system comprises a mounting rack, an essential oil squeezing module is fixedly connected to the edge of the outer wall of the mounting rack, a pretreatment module is mounted on one side of the mounting rack, and an impurity filtering module is mounted on the other side of the mounting rack; the bottom of the impurity filtering module fixedly communicates with a finished product collecting module, a cooperative reciprocating mechanism is arranged, a limiting plate is used for limiting and controlling the opening and closing states of a pair of clamping blocks, and a reciprocating swing groove rod is matched, so that the swing groove rod serves as driving force, is intermittently closed and connected with the clamping blocks in a sleeving mode and drives the clamping blocks to move; finally, the rotating disc and the multiple layers of spices at the top of the rotating disc synchronously and intermittently rotate forwards and backwards, so that after the multiple layers of spices are pressurized and squeezed, the squeezed essential oil is thrown out in cooperation with forward and backward reciprocating rotation, the standing and squeezing process in the prior art is optimized, the essential oil collecting time is shortened, and the squeezed oil outlet rate is increased.

Described are liquid compositions that contain a desired (e.g., extracted) plant material such as cannabinoid, terpene, terpenoid, or the like, contained, e.g., dissolved, suspended, or emulsified, in the liquid, which contains surfactant; methods of preparing these types of liquid compositions; and methods of processing this type of liquid composition to collect, isolate, concentrate, or purify a desired target material contained in the liquid composition.

The utility model provides a spice plant essence mixing device, which relates to the technical field of plant essence, and comprises an adjusting sleeve, a mixing box is arranged in the adjusting sleeve, openings are formed in the two sides of the mixing box, feeding pipes opposite to the openings are arranged on the two sides of the adjusting sleeve, and the feeding pipes are connected with the adjusting sleeve. A pipeline net disc is fixed between the inner walls of the mixing box, the pipeline net disc is formed by weaving small pipelines which are communicated with one another, a plurality of connecting pipes are arranged at the bottom of the pipeline net disc, and air supply pipes are arranged among the bottoms of the connecting pipes. Steam of two different kinds of plant essence is guided into the mixing box through the feeding pipe, then cold air is supplied through the air supply pipe in the mixing box, and the cold air enters the pipeline net disc through the connecting pipe so that the steam can be condensed and liquefied; the motor drives the blades to stir in the mixing box, so that the two kinds of plant essence steam can be uniformly mixed.

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 an extraction process of wormwood blue essential oil, and aims to improve the yield, purity and color stability of essential oil. The process comprises the following steps: taking fresh wormwood, carrying out cold soaking treatment, and adding ethanol to enhance the dissolution of effective components; essential oil is extracted through heating reflux, citric acid is added in the extraction process to adjust the pH value, and the color of the essential oil is stabilized; the oil-water separation adopts a mode of combining standing and centrifugal separation, so that the purity of the essential oil is ensured. Anhydrous sodium sulfate or a molecular sieve is adopted for essential oil dehydration treatment, residual moisture is removed, and the stability of the essential oil is ensured. In addition, the ultrasonic-assisted extraction technology is combined, release of volatile oil is accelerated, the extraction efficiency is improved, the wormwood raw material is refrigerated, and loss of effective components is avoided. The method is simple in process and high in operability, and the obtained essential oil is high in purity and stable in color and has wide application prospects.