93 results about "Terpineol" patented technology

A multi-fluid kit for three-dimensional printing can include a fusing agent and a nanoparticle-containing agent. The fusing agent can include water and a radiation absorber, where the radiation absorber absorbs radiation energy and converts the radiation energy to heat. The nanoparticle-containing agent can include a liquid vehicle, high density nanoparticles, and a nanoparticle suspension compound selected from the group consisting of terpineol, ethyl cellulose, and a combination thereof.

The invention discloses a lactobacillus brevis SMF L6 strain for improving the characteristic flavor of fermented fish and application thereof, and belongs to the technical field of aquatic product processing. According to the method disclosed by the invention, low-temperature fermentation is carried out by utilizing a sake lactobacillus wide cloth SMF L6 direct vat set fermentation inoculant to regulate and control the flavor; the method can effectively promote the production of flavor substances such as n-hexyl alcohol, eudesmol, 2-ethylhexyl alcohol, 4-platycladi alcohol, linalool, 4-terpene alcohol, alpha-terpilenol, piperonone, beta-myrcene, alpha-terpinene, D-limonene, beta-phellandrene, gamma-terpinene and the like in the fermented fish. The content of pungent smell and fishy smell substances such as acetic acid, p-xylene, o-xylene, trimethylamine, methyl mercaptan and carbon disulfide is reduced.

An antifungal composition including a first essential oil, and a second essential oil, where the composition is configured to reduce disease onset, pathogen spread, or a combination thereof. Further, an antifungal compound including one or more aroma compounds selected from 4-(4-hydroxyphenyl)-2-butanone, furaneol, ethyl methylphenylglycidate, ethyl hexanoate, ethyl butanoate, beta-ionone, alpha-ionone, (R)-(+)-limonene, (S)-(-)-limonene, cis-3-Hexen-1-ol, nerol, linalool, 2-heptanone, alpha-terpineol, beta-damascenone, β-caryophyllene, ethyl 2-methylbutanoate, β-myrcene, gamma-octalactone, alpha-humulene, nerolidol, (E,E)-2,4-decadienal, (E,E)-α-farnesene, vanillin, phenylethyl acetate, citral, 3-methylbutan-1-ol, or a combination thereof.

The invention provides a method for regulating and controlling aroma of grape fruits through an exogenous plant growth regulator, which comprises the following steps of: spraying three exogenous plant hormones, namely methyl jasmonate, phenylalanine and strigolactones, on 'Hanxiangmi' grape fruits with strong rose aroma, and analyzing the aroma composition and content of the treated grape fruits. The result shows that the rose fragrance intensity of the'Hanxiangmi 'grapes is enhanced after the jasmonic acid methyl ester treatment; after strigolactones treatment, components such as alpha-terpilenol, beta-ionone, nonanoic acid, geraniol and the like in grape fruits are prominent, so that the treated grapes are converted into mixed fragrance type grapes with flower fragrance, fruit fragrance and grass fragrance, and the fragrance layers are rich; and the treatment effect of phenylalanine is not obvious. The invention provides a reference for the research of strigolactone in fruit quality.

The invention discloses a high-stability MEMS hydrogen sensor and a preparation method thereof. The high-stability MEMS hydrogen sensor is a semiconductor resistance type hydrogen sensor based on a metal oxide gas sensitive coating and sequentially comprises a silicon nitride supporting layer, a Pt / Ti heating electrode, a sensing electrode, a silicon nitride isolating layer and a metal oxide gas sensitive film from bottom to top. The metal oxides are high-purity antimony doped tin dioxide, tetraamino palladium nitrate and tetraammineplatinum nitrate. The preparation method comprises the following steps: mixing high-purity antimony-doped tin dioxide powder, tetraamino palladium nitrate powder and tetraammineplatinum nitrate powder, preparing gas-sensitive slurry from a mixed solution of terpilenol, diethylene glycol butyl ether acetate, ethyl cellulose, dibutyl phthalate and dioctyl phthalate, dispensing the gas-sensitive slurry on a central interdigital electrode area of an MEMS chip, and performing vacuum drying to obtain the gas-sensitive MEMS chip. And performing vacuum standing and slow heating to obtain the sensor. The sensor is low in detection lower limit and stable in resolution ratio after high-humidity aging.

The invention discloses a green production process for synthesizing 1, 8-terpineol and preparing perfume-grade terpilenol by dehydrating the 1, 8-terpineol, which comprises the steps of hydration reaction, centrifugal separation, acid water recovery, by-product recovery, dehydration reaction and secondary distillation. Wherein the turpentine hydration reaction conditions are as follows: a catalyst is composed of alpha-hydroxy acid and phosphoric acid or boric acid, intermittent stirring is performed at room temperature, the reaction is performed for 2-15 days, an IBC ton barrel can be adopted as a reaction tank, and the mass yield of terpin hydrate is greater than 100%. Citric acid or tartaric acid is adopted to catalyze the dehydration reaction of terpineol hydrate, and the selectivity of terpineol can reach 91% or above. Compared with a traditional process, the method has the advantages that the catalyst is low in corrosivity and does not need an enamel reaction kettle; the reaction is carried out at room temperature, and no cooling equipment is needed; centrifuging to obtain terpin hydrate crystals without alkali neutralization; acid water is easy to recycle, and almost no wastewater is discharged; an IBC barrel is used as a reactor, so that the equipment investment is low.

The present invention discloses a fermentation method for Antrodia camphorata mycelium and an auxiliary composition for fermentation of Antrodia camphorata. The method provided by the present invention comprises the following steps: S1. subjecting an Antrodia camphorata strain to liquid fermentation for 60-120 hours; S2. adding precursors to the fermented Antrodia camphorata strain liquid fermentation broth, and continuing the fermentation for more than 120 hours to obtain Antrodia camphorata mycelium; the precursors being coenzyme Q0, p-hydroxybenzoic acid, linalool, and α-terpineol, and the fermentation broth after adding the precursors having a coenzyme Q0 content of 100-500 mg / L, a p-hydroxybenzoic acid content of 20-300 mg / L, a linalool content of 0.1-0.5 mg / L, and an α-terpineol content of 0.3-0.7 mg / L. This method adds precursor substances of specific composition and concentration to the liquid fermentation broth of Antrodia cinnamomea at a certain time and combines them with each other, which is beneficial to the secondary metabolism of Antrodia cinnamomea and promotes the synthesis of triterpenoid compounds, thereby increasing the yield. Compared with the existing technology, the yield of triterpenoid compounds produced by Antrodia cinnamomea mycelium is increased, the culture cycle is shortened, and it is more suitable for large-scale production.

The application discloses a preparation method of a low-TCR low-cost ceramic heating tube, and comprises the following steps: (1) preparing an organic carrier: 60 parts by weight of terpineol, 20 parts by weight of ethyl cellulose, 10 parts by weight of a binder and 10 parts by weight of diethylene glycol acetate are placed into a magnetic stirrer and uniformly dissolved and mixed; (2) weighing metal powder: Mo: 50-70 parts by weight; Re: 20-30 parts by weight; Mn: 0-5 parts by weight; Cr: 10-15 parts by weight; by adopting Mo, Re, Mn and Cr in a specific ratio as the metal powder, the traditional mode of adopting metal ruthenium powder or a mixture of metal ruthenium powder and other common metal powder is replaced, the prices of Mo, Re, Mn and Cr are low, so that the preparation cost of the ceramic heating tube is effectively reduced, the purpose of low TCR is achieved, and the scale production is facilitated; meanwhile, the ceramic heating tube prepared by adopting the application has higher overall bending strength, and can better meet the use requirement.

The invention relates to the technical field of non-ferrous metal beneficiation, in particular to a flotation reagent composition for recycling micro-fine particle copper sulfide from copper oxide acid leaching residues and a beneficiation method of the flotation reagent composition. The flotation reagent composition for recovering copper sulfide from copper oxide acid leaching residues is characterized by comprising a collecting agent, a hydrophobic agglomeration agent and a foaming agent, and the collecting agent is ethyl thioacetate; the hydrophobic agglomeration agent is prepared from octadecyl triethoxy silane and kerosene; and the foaming agent is selected from terpilenol, methyl isobutyl carbinol or sec-octanol. The ethyl thioacetate serving as a collecting agent is stable in chemical property in an acid environment, weak in gangue mineral collecting capacity and good in selectivity in the copper sulfide mineral flotation process, and therefore the grade and the recovery rate of obtained copper sulfide concentrate are higher.

The invention provides hansenula polymorpha YC-C-16 capable of producing lactic acid and application of the hansenula polymorpha YC-C-16, and belongs to the technical field of microorganisms and wine brewing. The hansenula polymorpha YC-C-16 is characterized in that the hansenula polymorpha YC-C-16 is named as hanseniaspora uvarum in taxonomy, is preserved in the China Center for Type Culture Collection, has the preservation number of CTCC M 20252302, is preserved in Wuhan University on October 22, 2025, and is named as hanseniaspora uvarum in Wuhan University. The grape juice hansenula polymorpha YC-C-16 disclosed by the invention can be used for fermenting grape wine independently or together with saccharomyces cerevisiae, the content of lactic acid in the grape wine can be increased, and flavor substances such as ethyl butyrate, alpha-terpilenol, ethyl salicylate, ethyl myristate and trans-2-heptenal are added, so that the flavor level of the grape wine is increased. The hansenula polymorpha YC-C-16 provided by the invention can be widely applied to the field of wine fermentation.

1. The name of the design product: packaging box (4-terpineol eye pad). 2. The use of the design product: packaging box for packaging eye pad. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view.

The application discloses a hole transport layer precursor solution, a battery component and a preparation method thereof, a perovskite solar cell and an electric device, and belongs to the technical field of solar cells. The hole transport layer precursor solution comprises a self-assembled monolayer material and a composite solvent; the composite solvent comprises a phosphate ester solvent, an alcohol ether solvent, an alcohol solvent and a terpineol; the boiling point of the phosphate ester solvent is 190 DEG C-240 DEG C; the boiling point of the alcohol ether solvent is 210 DEG C-250 DEG C; and the boiling point of the alcohol solvent is 70 DEG C-90 DEG C. The hole transport layer precursor solution has improved stability and storability, improves the flexibility of a production process of a perovskite component prepared by the hole transport layer precursor solution, improves the batch stability and efficiency of the perovskite component, and meets the demand of large-area processing.

The invention provides an extraction process of a dunaliella salina fat-soluble anti-allergy active matter based on a caprylic acid-4-terpineol hydrophobic deep eutectic solvent, and belongs to the technical field of natural product extraction. The extraction process comprises the following steps: S1, adding dunaliella salina into a jasmine flower solution according to a ratio of 1: 20 (W / V), stirring and dispersing, and then centrifuging to obtain a wet substance; s2, octanoic acid, capric acid and 4-terpineol are mixed to prepare a hydrophobic deep eutectic solvent; s3, dispersing the wet substance in water to serve as algae liquid, adding a hydrophobic deep eutectic solvent, extracting for 30 minutes at the temperature of 80-100 DEG C, and centrifuging to take an upper oil phase; and S4, dissolving the oil phase in caprylic / capric triglyceride according to a ratio of 1-10% (W / W) to obtain the anti-allergy active matter. The extraction process is simple, the extracted active matter has good anti-allergy and anti-oxidation effects and safety, the fishy smell of dunaliella salina is effectively removed, and the active matter can be directly applied to cosmetics and other products.

The present invention relates to the use of citrus volatiles to repel the Pardosa pseudoannulata, and belongs to the technical field of spider repellents. The present invention provides the use of citrus volatiles to repel the Pardosa pseudoannulata. Based on this use, the present invention also provides the use of citrus volatiles to prepare a Pardosa pseudoannulata repellent, the use of the citrus volatile α-terpineol to repel the Pardosa pseudoannulata, and the use of the citrus volatile α-terpineol to prepare a Pardosa pseudoannulata repellent. The present invention utilizes α-terpineol, which has a repellent effect on the Pardosa pseudoannulata, to develop a spider repellent, which has great development potential and is of great significance.

The application relates to the technical field of ammonia gas sensors, and discloses a preparation method of a laser-induced graphene-based ammonia gas sensor, which adopts the following technical scheme: a preparation method of a laser-induced graphene-based ammonia gas sensor, comprising the following steps: S1, laser direct writing is performed on the surface of a polyimide film through a laser engraving device to form a set of interdigital electrode patterns on the surface of the polyimide film; S2, a gas-sensitive material is prepared, the gas-sensitive material is mixed and ground with terpineol and glass beads, and then the mixed gas-sensitive material is coated on the treated polyimide film; and S3, the polyimide film obtained in the step S2 is aged at 60-70 DEG C to obtain a flexible ammonia gas sensor. The flexible substrate with interdigital electrodes can be prepared in a low-cost manner.

The present application relates to a fragrance composition reproducing the fragrance of white lotus and a skin external composition and a fragrance product containing the fragrance composition reproducing the fragrance of white lotus, and particularly relates to a fragrance composition reproducing the fragrance of white lotus with excellent preference by adding 2-phenylethanol to pentadecane, p-xylene, heptadecane, sabinene, limonene, myrcene, alpha-terpineol, etc. analyzed by SPME method. The fragrance composition provided by the present application contains pentadecane, p-xylene, heptadecane, sabinene, limonene, myrcene, alpha-terpineol, etc. which are main components of the fragrance of white lotus, and also contains 2-phenylethanol, thereby reproducing the fragrance of white lotus and improving the preference of the fragrance.

Provided are compositions comprising terpene mixtures consisting of 1000-4500 ppm myrcene, 1000-4000 ppm terpineol, 1000-5500 ppm caryophyllene and 1000-45000 ppm nerolidol; 1000-4500 ppm alpha-pinene, 1000-4000 ppm sabinene, 1000-4000 ppm limonene, 500-4000 ppm borneol and 1000-4500 ppm caryophyllene; 1000-4500 ppm alpha-pinene, 1000-4000 ppm linalool, 1000-4000 ppm terpineol, 1000-4000 ppm borneol, 1000-4500 ppm caryophyllene and 1000-4000 ppm nerolidol; 1000-4000 ppm myrcene, 500-5000 ppm linalool, 1000-4500 ppm caryophyllene and 500-4500 ppm nerolidol; or 1000-5500 ppm alpha-pinene, 1000-4000 ppm limonene, 500-4000 ppm linalool and 1000-4500 ppm caryophyllene, and uses in therapy.

The present invention relates to the technical field of deodorant, disclose a kind of plant deodorant and preparation method thereof, its raw material includes 10-20 parts of plant essential oil, 1-3 parts of pinene, 1-3 parts of sabinene, 1-3 parts of linalool, 1-3 parts of myrcene, 1-3 parts of α-terpineol, 5-8 parts of polyethylene glycol monooleate, 2-5 parts of preservative, 5-10 parts of core-shell nano microspheres, 70-80 parts of deionized water by weight; the core-shell nano microspheres are prepared by using nano zinc oxide particles as core layer and trivalent iron ions as shell layer. In the present invention, plant deodorant not only contains active ingredients reacting with odor molecules, but also converts malodorous substances into odorless substances, effectively improves deodorization efficiency, and purifies the environment; and the compounding of plant essential oil and spices makes the fragrance more fresh and natural, and can also improve the persistence of fragrance retention, and achieve the effect of efficient and rapid deodorization.

The invention relates to bacillus velezensis JT-14 with high yield of terpene flavor components as well as a screening method and application of the bacillus velezensis JT-14, and belongs to the technical field of microorganisms and fermentation. The preservation time of the bacillus velezensis JT-14 with high yield of terpene flavor components is June 26, 2025, the preservation unit is Guangdong Microbial Culture Collection Center, and the preservation number is GDMCC 66597. The bacillus velezensis JT-14 screened by the invention has good safety, and can generate monoterpenoid substances (alpha-terpilenol, linalool, citronellol, carveol and the like) with flower fragrance, elecampane and faint scent and sesquiterpenoid substances (alpha-panaxene, cubene, elemol and gamma-apigene) with herbal fragrance in a substrate fermentation experiment. When the bacillus velezensis JT-14 is applied to tobacco leaf fermentation, the aroma of the aroma raw material obtained through fermentation can be integrally improved, and the aroma is softer.

The invention discloses ohmic contact modified thick-film copper paste adaptive to spinel ceramics and a preparation method of the ohmic contact modified thick-film copper paste. The ohmic contact modified thick-film copper paste comprises 80-85 wt% of high-purity copper powder, 0.5-1 wt% of an interface modifier, 4-7 wt% of a bonding aid, 0.3-0.8 wt% of a grain refiner, 0.2-0.5 wt% of an antioxidant aid and 12-15 wt% of a carrier. The preparation method comprises the following steps: drying in a high-temperature vacuum environment; weighing all the materials except the carrier, adding 4wt% of terpilenol, and stirring and mixing to obtain mixed powder; adding the terpilenol and the ethyl cellulose in the remaining proportion into the mixed powder, stirring and dispersing, and grinding for three times; after grinding is completed, terpilenol is added, and the viscosity of the copper paste is adjusted; the copper slurry is filtered, and large-particle impurities and aggregates are removed; and defoaming the copper paste to obtain the modified thick-film copper paste. The method has the advantages that the interface modifier provides excellent ohmic contact performance; the sintered copper paste is high in density, low in porosity, stable in sheet resistance and large in through-flow density, and is obviously superior to the traditional copper paste; the grain refiner avoids structural failure, and the long-term working reliability is improved; sn powder and copper form an alloy, so that the service life is prolonged.

To provide a beverage in which fresh feeling of fruit and juicy feeling of fruit are enhanced, a method for producing the beverage, and a method for improving flavor of the beverage.SOLUTION: The beverage contains fenchol and 4-terpineol. The method for producing the beverage includes a step of incorporating fenchol and 4-terpineol. A method for improving a flavor of a beverage according to the present invention is a method for improving a flavor of a beverage that enhances a fresh feeling of a fruit and a juicy feeling of a fruit, the method including the step of adding fenchol and 4-terpineol to the beverage.SELECTED DRAWING: None

This application discloses a method for preparing dihydroterpineol, relating to the field of terpene fragrance synthesis technology. The method comprises the following steps: Step 1, material preparation: α-terpineol, solvent, catalyst, hydrogen, and co-catalyst are prepared for use; Step 2, pretreatment: 90-100 parts of α-terpineol are mixed with 75-80 parts of solvent and stirred once until homogeneous, then 0.08-0.1 parts of co-catalyst are added and mixed again until homogeneous to obtain a stock solution; Step 3, continuous hydrogenation: The stock solution is pumped into a fixed-bed reactor filled with catalyst, while hydrogen is introduced and the temperature is controlled at 80-90℃ for continuous feeding and discharging to obtain a reaction solution; Step 4, distillation purification: The reaction solution is distilled to obtain dihydroterpineol; wherein the catalyst is a Pd-Mn-La / modified HZSM-5 catalyst. This application, by controlling the temperature at 80-90℃ for the preparation of dihydroterpineol, effectively improves product purity and yield, reduces preparation difficulty, and lowers production costs.

A new gypenoside based on gypenoside and its preparation and application, namely (4ζ)-α-terpineol 8-O-[β-D-xylopyranosyl-(1→6)-β-D-glucopyranoside], the molecular formula is C 21 H 36 O 10 , the structural formula is as follows: the application is obtained by extraction, purification and separation from gypenoside, has the activity of reducing lipid and reducing cholesterol, has the purpose of being prepared into lipid-lowering and cholesterol-lowering drugs, meanwhile, the application is simple in operation and high in feasibility, the prepared compound is high in purity, and has the prospect of industrial application.

The invention discloses low-temperature curing high-conductivity copper-silver composite conductive paste and a preparation method thereof. The conductive paste comprises silver-coated copper core-shell powder, epoxy resin, dicyandiamide, a silane coupling agent, alpha-terpilenol, a dispersing agent, hydrophilic fumed silica, glass powder and an organic copper complex. The silver-coated copper core-shell powder is prepared by the following steps: dispersing copper powder in absolute ethyl alcohol, adding a titanate coupling agent for grafting reaction, and centrifuging and drying after the reaction is completed to obtain modified copper powder; the modified copper powder is dispersed in absolute ethyl alcohol, a nitrogen-doped graphdiyne dispersion liquid is added for a composite reaction, separation and drying are conducted after the reaction is completed, and composite layer coated powder is obtained; and dispersing the composite layer coated powder in water, adding a silver ammonia solution and formaldehyde, and performing chemical reduction deposition on the surface of the composite layer coated powder to form a coated silver layer, so that the obtained composite slurry has high conductivity and heat resistance.

The invention provides a blood-sucking midge efficient repellent and a screening and identifying method thereof, and relates to the technical field of biology. According to the invention, an odor receptor gene FtaiOr1 which is highly expressed at the head of a female gnat is obtained through identification, and a transgenic drosophila melanogaster strain Or22ab- / -GAL4 which can be used for screening a blood-sucking midge repellent compound is constructed through heterologous expression of the gene in a drosophila melanogaster ab3A neuron; and UAS-FtaiOr1 (UAS-FtaiOr1). Six blood sucking midge repelling compounds (camphor, eudesmol, (+)-anisone, alpha-terpilenol, (S)-cis-verbenol and isoterpinene) are obtained by screening of the fruit fly strain. The compounds can be used independently or in a compounded manner, are friendly to non-target organisms and environment, can be directly applied to repelling and on-site prevention and control of blood sucking midges, and have important application value in the aspects of reducing midge bites and reducing the propagation risk of entomophilous diseases.

The invention relates to a solid oxide electrolytic cell isolation layer and a preparation method thereof, and belongs to the technical field of solid oxide electrolytic cells. According to the preparation method, a polyvinyl butyral (PVB)-terpilenol system is adopted as an organic carrier, then the organic carrier and SDC powder are subjected to ball milling treatment, slurry is coated on an electrolyte sheet through a screen printing process, and a sintering process is combined, so that the Sm0. 2Ce0. 8O2 (SDC) isolating layer with higher ionic conductivity and lower interface resistance is prepared. The isolation layer obtained by the invention effectively improves the overall electrochemical performance of the solid oxide electrolytic cell.

The invention relates to a method for evaluating the sensory quality of a tea aroma type distilled liquor based on instrumental analysis. The method comprises the following steps: 1) preparing a mixed standard solution containing linalool, alpha-terpineol, methyl salicylate, ethyl acetate, ethyl hexanoate, ethyl caprylate, ethyl caprate, ethyl laurate, isobutanol and isoamyl alcohol by adopting an ethanol aqueous solution; (2) preparing a sec-octanol internal standard solution by adopting absolute ethyl alcohol; 3) mixing the mixed standard solution or the tea aroma type distilled liquor with ultrapure water, sodium chloride and an internal standard solution to prepare a mixed standard substance test solution or a sample test solution; (4) analyzing the standard solution to be tested and the sample solution to be tested through an HS-SPME-GC-MS method, and calculating the content of 10 key flavor substances in the sample solution; and 4) judging the sensory quality of the sample according to a certain standard. According to the method, the sensory quality of the wine body is objectively evaluated according to the contents of the 10 key flavor substances in the tea flavor type distilled wine, and a reliable basis is provided for product quality control and market promotion.

This invention discloses a method for evaluating the quality of honeysuckle dew based on gas chromatographic characteristic spectroscopy, belonging to the field of pharmaceutical quality analysis. Through comparative analysis of a large number of samples, five volatile characteristic components in the GC chromatogram of honeysuckle dew were identified: n-hexanol, phytol, linalool, furfural, and α-terpineol. Based on this, a GC characteristic chromatogram of honeysuckle dew was established. This invention also identified two characteristic components with a strong positive correlation in content. By utilizing the GC characteristic chromatogram and the peak area ratio of the two positively correlated characteristic components, accurate detection of the quality of honeysuckle dew was finally achieved.

A multi-fluid kit for three-dimensional printing can include a fusing agent and a nanoparticle-containing agent. The fusing agent can include water and a radiation absorber, where the radiation absorber absorbs radiation energy and converts the radiation energy to heat. The nanoparticle-containing agent can include a liquid vehicle, high density nanoparticles, and a nanoparticle suspension compound selected from the group consisting of terpineol, ethyl cellulose, and a combination thereof.

The present invention relates to cosmetic cleaning preparations containing α-terpineol.