42 results about "Guaiacol" patented technology

The invention relates to a composition with functions of protecting gingiva and repairing enamel and a preparation method of the composition, and belongs to the technical field of oral care. The composition contains a functional additive, a plant compound fermentation extract and the like, the functional additive is a mixture of corn starch, calcium phosphosilicate, hydroxyapatite, ubiquinone, sodium guaiazulene sulfonate, menthol and vitamin E, and the plant compound fermentation extract is obtained by fermenting and purifying honeysuckle flowers, radix polygonati officinalis and dandelions according to a specific proportion. Through the synergistic effect of the fermentation extract and the functional components, the problems that an existing toothpaste body is hardened, the storage stability is poor, the gingival protecting effect is short, and the enamel repairing persistence is insufficient are solved, the gingival protecting effect can be enhanced, the enamel repairing effect can be improved, the stability of the toothpaste body can be optimized, the antibacterial property and the oral mucosa relieving effect are achieved, and the oral cavity repairing effect is achieved. And the preparation process is scientific and reasonable, and is suitable for daily oral care.

The invention discloses Leishan fish sauce sour essence as well as a preparation method and application thereof. The leishan fish sauce acid essence is prepared from ethyl acetate, absolute ethyl alcohol, ethyl isovalerate, ethyl hexanoate, isoamyl alcohol, furfuryl alcohol, ethyl lactate, ethyl caprylate, acetic acid, diethyl succinate, methyl salicylate, ethyl benzoate, ethyl laurate, hexanoic acid, phenethyl alcohol, 4-methyl guaiacol, ethyl myristate, ethyl palmitate, ethyl oleate, capsicum oleoresin, ethyl phenylacetate and ginger oil. And lactic acid, glycerol triacetate, ocimene, ethyl isovalerate, ethyl butyrate, anethole and phenylacetaldehyde. The Leishan fish sauce sour essence disclosed by the invention is soft and harmonious in overall fragrance, natural and vivid, still has stable flavor characteristics at high temperature, can make up the problem of flavor deficiency in sour soup products, realizes accurate reproduction and controllable release of composite fragrance, improves the standardization level of products, and effectively improves the preference degree of consumers.

The present application belongs to the technical field of electronic atomization, and particularly relates to a tobacco extract composition, a preparation method and application thereof. The tobacco extract composition comprises 2,6-dimethylpyrazine, 3-acetylpyridine, dihydroactinidiolide, cembranoid diol, maackiain, furfuryl alcohol and guaiacol. The mass ratio of (2,6-dimethylpyrazine+3-acetylpyridine) to dihydroactinidiolide is greater than 0.02; the dihydroactinidiolide content is greater than or equal to 0.02 mg / g in terms of dry matter mass; and the guaiacol content is 0.004-0.025 mg / g. The overall roasting characteristics are sufficient, and the smoke-like feeling is strong. The preparation method comprises the following steps: first extracting tobacco raw materials to obtain extract A, low-temperature secondary extraction of the extract A to obtain tobacco flavor, high-temperature secondary extraction of the extract A to obtain smoke flavor, and mixing the tobacco flavor and the smoke flavor in a certain proportion to obtain the tobacco extract composition.

The present application belongs to the technical field of electronic atomization, and particularly relates to a tobacco extract composition, a preparation method and application thereof. The tobacco extract composition comprises methylcyclopentenolone, guaiacol, neophytadiene, cedrene diol, dihydroactinidiolide, maltol, furaneol, palmitic acid, 6-ethyl-5,6-dihydro-2H-pyran-2-one and scopoletin; the range of (methylcyclopentenolone+guaiacol) / neophytadiene is 0.01-2.5 by mass; the guaiacol content is 0.003-0.02 mg / g by dry matter mass; the tobacco roasting aroma is richer, the tobacco roasting sweet note is more obvious, and the tobacco-like feeling is better. The preparation method comprises: extracting tobacco raw materials twice at medium and low temperatures to obtain tobacco flavor substances, extracting the tobacco raw materials at high temperature to obtain smoke flavor substances, and mixing the tobacco flavor substances and the smoke flavor substances at a certain ratio to obtain the tobacco extract composition.

This invention belongs to the field of atomization technology, specifically relating to a coffee extract, an atomizing matrix, and an electronic atomization device. The coffee extract provided by this invention, by mass fraction, comprises 350-450 parts furfuryl alcohol, 5-10 parts furfuryl formate, 2-5 parts 2-acetylfuran, 5-10 parts 5-methylfurfural, 20-30 parts furfuryl acetate, 10-20 parts guaiacol, 30-40 parts maltol, 5-15 parts 4-ethylguaiacol, 5-15 parts difurfuryl ether, and 10-20 parts 4-vinylguaiacol. The coffee extract provided by this invention has a low caffeine content but a strong characteristic coffee aroma; when applied to an atomizing matrix, it can enhance the taste and inhalation experience of the aerosol.

The present application provides a kind of marine bacteria capable of degrading lignin and removing nitrite, which is a deep-sea seabed sulfide source, and has the function of degrading lignin and removing nitrite.The strain of Halomonas sp.has a preservation number of CGMCC No.34690.The strain screened in the present application can grow and reproduce in seawater, can utilize guaiacol as a carbon source, and can remove nitrite.The strain of the present application has laccase activity, has laccase gene and nitrite reductase gene.The experimental results show that the cumulative removal rate of guaiacol after 2 days of culture is 56%, and the removal rate of nitrite after 4 days of culture is close to 70%, which has great application potential in the marine aquaculture industry.

The application discloses a Pediococcus acidilactici for improving color and flavor of low-salt solid-state soy sauce and belongs to the technical field of bioengineering. The application obtains a Pediococcus acidilactici WT1 which can grow well under higher temperature and certain salinity by being separated and screened from soy sauce mash. The P.acidilactici WT1 is strengthened to carry out low-salt solid-state soy sauce fermentation, so that the amino acid nitrogen of the soy sauce is increased by 9.43%, the contents of succinic acid and tartaric acid in the soy sauce are respectively increased by 71.87% and 5.43 times, the contents of umami and sweet amino acids are respectively increased by 35.16% and 13.44%, the total amount of volatile flavor substances is increased by 19.95%, and the color rate is increased by 21.36%. By strengthening the P.acidilactici WT1, the contents of main flavor substances, i.e., guaiacol and phenol in the soy sauce are respectively increased by 35.49% and 50.64%, and the contents of benzyl alcohol and isoamyl alcohol are respectively increased by 16.83% and 21.86%. Therefore, strengthening the P.acidilactici WT1 in the low-salt solid-state soy sauce fermentation process has important significance for improving the quality and flavor of the low-salt solid-state soy sauce.

A tobacco extract composition, a preparation method therefor, and a use thereof, relating to the technical field of electronic atomization. The tobacco extract composition comprises methyl cyclopentenolone, guaiacol, neophytadiene, a cembratriene-diol, dihydroactinidiolide, maltol, furanone, palmitic acid, 6-ethyl-5,6-dihydro-2H-pyran-2-one, and scopoletin. By weight: (methyl cyclopentenolone + guaiacol) / neophytadiene ranges from 0.01 to 2.5. By dry weight: the guaiacol content is 0.003 to 0.02 mg / g. Said tobacco has a rich roasted aroma, a pronounced sweet roasted flavor, and a more tobacco-like feel. The preparation method comprises: performing extraction on tobacco raw material twice at medium and low temperatures, and obtaining tobacco flavor compounds; performing extraction on the tobacco raw material at a high temperature, and obtaining smoke flavor compounds; and mixing the tobacco flavor compounds and the smoke flavor compounds in a certain ratio to obtain a tobacco extract composition.

The application discloses a preparation method of high-quality bran raw materials, comprising the following steps: 1) washing, drying, powdering, sterilizing and reserving wheat bran; 2) adding edible fungus seed liquid into the wheat bran and uniformly mixing and fermenting to prepare high-quality bran raw materials. The application also discloses the high-quality bran raw materials obtained by the preparation method and application thereof. After fermentation, the water absorption index, water-solubility index and swelling degree of the bran are significantly increased, wherein the water-solubility index is increased by 277% at most, the total phenol content is 5.91 times of that of the unfermented sample at most, the alkyl resorcinol content is 1.55 times of that of the unfermented sample at most, and the total antioxidant capacity of the raw material is improved to 311.23 U / g, which is 5.73 times of that of the unfermented sample. Meanwhile, the fermented raw material generates alcohol aroma substance 4-ethyl guaiacol, which further improves the quality of the raw material.

The invention discloses a formula and a production process of herbal plant extraction nourishing essence gel, and relates to the technical field of cosmetics. According to the formula, water, glycerin and butanediol are used as basic carriers, various plant extracts such as peony flowers, guaiacol and myrothamnus flabellifolia are compounded, the sum of the mass percent of all the components is 100%, and all the components are in a reasonable range. The production process adopts a segmented temperature-control stirring method, and comprises the following steps: firstly heating and dissolving the basic moisturizing component, then adding the plant active component, mixing and cooling, and finally inspecting, packaging and warehousing. Through the synergistic effect of various plant active ingredients, the traditional Chinese medicine composition not only can regulate qi and blood and relieve liver depression and qi stagnation, but also effectively assists and nourishes meridians and collaterals of the whole body, supplements yin blood of the whole body and enables qi and blood to softly run along with qi, is good in product stability, high in safety and controllable in cost, is suitable for daily nursing of qi and blood deficiency type skin, and has a wide application prospect.

This invention discloses a polypropylene composition and its applications, belonging to the field of polymer composition technology. The invention provides a polypropylene composition comprising polypropylene, a hindered phenolic antioxidant, a phosphite antioxidant, guaiacol, gallic acid, a dispersant, a light stabilizer, and a metal ion passivator. By incorporating the above components, the polypropylene polymer provided by this invention can synergistically enhance the anti-phenolic yellowing effect of the hindered phenol-phosphite composite antioxidant, resulting in a polypropylene composition that possesses both good anti-phenolic yellowing effect and good dyeing adsorption rate.

1. The name of the design product: medicine packaging box (compound guaiacolsulfonic acid and tripelennamine syrup). 2. The use of the design product: medicine packaging box. 3. The design points of the design product: in the pattern. 4. The picture or photo that best indicates the design points: front view.

The invention discloses rosin modified biomass phenolic resin and a preparation method thereof. The preparation method comprises the following steps: firstly, rectifying and extracting a guaiacol-rich fraction from wood tar; and then the fraction partially replaces phenol and is mixed with rosin and a basic catalyst, a copolycondensation reaction is carried out by adopting a step-by-step formaldehyde adding and segmented temperature control process, and finally, the target resin is obtained through decompression dehydration. Wherein the molar substitution rate of the guaiacol fraction to phenol is 10%-50%, and the using amount of rosin is 5%-30% of the total phenol mass. The preparation method disclosed by the invention is simple in process, phenol dependence and cost are reduced by utilizing a renewable resource, namely the wood tar, and the influence of phenol on human bodies in a traditional resin production process is avoided; a remarkable synergistic effect and an unexpected technical effect are generated in toughness, strength and thermal stability, and products prepared by applying the flame retardant to the fields of wood adhesives, molding compounds and the like have excellent performance.

The invention discloses a dispersion composition suitable for lyocell fiber production, a spinning solution and a functional fiber, and belongs to the technical field of lyocell fibers. The dispersing composition comprises NMMO, water and a dispersing agent, and the dispersing agent is a lignosulfonate substance and has a group structure obtained by substituting and modifying guaiacol-based lignin with amide, sulfonic acid and salt thereof. According to the embodiment of the invention, the modified lignosulfonate conforming to specification characteristics of specific components, groups and the like is applied to the NMMO system as the dispersing agent for the first time, so that the technical bottlenecks that the conventional dispersing agent is chemically incompatible, difficult to remove and non-uniform in dispersion in the NMMO system can be solved, and an excellent synergistic effect is obtained.

A tobacco extract composition, a preparation method therefor, and a use thereof, relating to the technical field of electronic atomization. The tobacco extract composition comprises dihydroactinidiolide, geranyllinalool, maltol, neophytadiene, megastigmatrienone, a cembratriene-diol, guaiacol, and furanone. By weight: dihydroactinidiolide / (geranyllinalool+ maltol)≥0.1. By dry weight: the geranyllinalool content ≥0.01 mg / g; and the maltol content is 0.005–0.05 mg / g. The disclosed extract has a tobacco-like feel, with a strong sweet and natural taste, and provides a pleasant tobacco-like experience. The preparation method therefor comprises: extracting twice at a low temperature to obtain tobacco flavor compounds, extracting twice at a high temperature to obtain smoke flavor compounds, and mixing the tobacco flavor compounds and the smoke flavor compounds in a certain ratio to obtain a tobacco extract composition.

We offer a corn tea beverage that reduces the scratchy feeling in the throat. [Solution] In a corn tea beverage, guaiacol and dimethyl sulfide at a concentration of 300 ppb or more are added, and the ratio of dimethyl sulfide content to guaiacol content (by mass) is set to 10 or more.

This invention discloses a strain of *Westernella greenis* and its application in flavor improvement in soy sauce, belonging to the field of microbial fermentation agent technology. The *Westernella greenis* F2 provided by this invention can significantly enhance the flavor of fermented seasonings, increase the content of volatile substances in fermented soy sauce, and increase the content of characteristic flavor compounds such as isoamyl alcohol, 1-octen-3-ol, 3-methylthiopropanol, guaiacol, furfural, and pyrazines. Simultaneously, it increases the levels of ethyl benzoate and ethyl acetate, which can mask undesirable flavors, demonstrating very broad application prospects.

The present application belongs to the field of microorganism and biological control technology, and particularly relates to a volatile bacteriostatic substance producing Paenibacillus polymyxa LC36 and application thereof. The strain is isolated from the rhizosphere soil of Codonopsis pilosula, and is identified as Paenibacillus polymyxa through morphological, physiological and biochemical and molecular identification. Research shows that Paenibacillus polymyxa LC36 can produce cellulase, protease and IAA and other various biocontrol related substances, and release various volatile organic compounds (VOCs), among which benzyl alcohol, guaiacol, 2-phenylethanol and the like show significant inhibitory effect on the pathogenic fungus of Codonopsis pilosula, Fusarium oxysporum. The results of pot experiment show that the strain has a control effect of 57.6% and 87.8% on the root rot and wilt of Codonopsis pilosula, respectively, and shows good biocontrol application prospect. The present application provides a new microbial resource and technical support for the green prevention and control of Codonopsis pilosula soil-borne diseases.

The application provides an atomized agent and a method for thickened oil viscosity reduction and cold production, and relates to the technical field of oil production.The atomized agent comprises the following components in parts by weight: 3-10 parts of a surfactant, and 1-3 parts of a dispersant; the surfactant comprises alkyl benzene sulfonate, a non-ionic surfactant and imidazole quaternary ammonium salt surfactant in a mass ratio of (50-65):(20-40):(10-15); wherein the non-ionic surfactant is obtained by the reaction of a fatty alcohol polyoxyethylene ether and guaiacol glycidyl ether. The atomized agent has good compatibility with nitrogen, good temperature resistance and salt resistance, can be used for the viscosity reduction of super-thickened oil, and can be used for the thickened oil cold production by mixing with nitrogen and atomization, so that the oil recovery can be efficiently improved.

The invention provides a waste-tea-residue-based capacitor electrode material, and a preparation method comprises the following steps: mixing and stirring waste tea residues, mango peel, guaiacol and butanol, carrying out a heating reaction, and then cooling to room temperature; introducing nitrogen into the reaction kettle, carrying out heating reaction again, cooling and filtering after the reaction is completed to obtain a solid product carbon-based precursor, and keeping a liquid product for later use; mgO and Al2O3 powder are mixed with the carbon-based precursor, a nitric acid solution is slowly added and stirred, the pH is adjusted to be alkaline, and a mixed solution is obtained through a heating reaction; transferring the mixed solution into a reaction kettle, adding a liquid product, introducing nitrogen to evacuate air, stirring and heating to carry out polymerization reaction, immediately cooling after the reaction is completed, and then filtering, washing and drying to obtain a target product. According to the method, the polyphenol, the nitrogen-rich tea residues and the mango peel are catalyzed by using the bimetallic oxide, and meanwhile, a process liquid product is utilized, so that high-value utilization of the tea residue waste is realized. The prepared solid product has a porous structure and good electrochemical performance.

The invention relates to a fermented beverage as well as a method of producing a fermented beverage, particularly a beer or beer-like beverage, with an ethanol content of between 0.0% and 1.0% by volume, the method comprising providing an ethanol containing fermented base beverage, reducing the ethanol content of the fermented base beverage by a de-alcoholisation step, followed by adding flavor to the fermented base beverage with reduced ethanol content to produce the fermented beverage, wherein the added flavor includes at least an amount of 4-vinyl guaiacol (4VG).

The application discloses a GEMA-MMA copolymer dielectric film and a preparation method and application thereof, and belongs to the technical field of polymer-based dielectric materials. The preparation method of the application adopts a biomass raw material guaiacol (GA) with lignin as a source, and methyl guaiacol methacrylate (GEMA) is prepared through an esterification reaction; GEMA and methyl methacrylate (MMA) are copolymerized to obtain the GEMA-MMA copolymer dielectric film, the polarization strength and the breakdown strength can be effectively improved, and the energy storage density of the polymer is more effectively improved. The preparation method is simple and has good repeatability, the breakdown strength and the energy storage density can be improved by controlling the molar ratio of the GEMA and the MMA copolymerization, the energy storage efficiency of the polymer is increased, and the breakdown strength and the energy storage density of the film capacitor can be improved.

The invention provides a hierarchical porous nickel catalyst based on dynamic lattice reconstruction as well as a preparation method and application of the hierarchical porous nickel catalyst. The preparation method comprises the following steps: (1) carrying out dynamic lattice reconstruction reaction on a carrier, a nickel source and an etching-reconstruction guiding agent in a hydrothermal medium under continuous stirring to form a metastable state intermediate; (2) carrying out temperature programming heat treatment on the intermediate, and curing the structure to obtain a composite oxide precursor; and (3) carrying out two-stage reduction activation on the precursor to obtain the hierarchical porous nickel catalyst. According to the invention, an organic template agent is abandoned, and the catalyst with three-dimensional through hierarchical pore channels is directly constructed from the carrier body through a dynamic lattice reconstruction technology, so that high dispersion of active sites, strong confinement and efficient mass transfer of reactants are realized. The catalyst shows about 100% of conversion rate and more than 99% of cycloalkane selectivity in deep hydrodeoxygenation reaction of biomass oil, especially conversion of guaiacol, and has excellent stability and wide industrial application prospect.

The invention discloses a purification device with an HPV inactivation effect for hawthorn kernel tar lotion production, and relates to the technical field of grease production, the purification device comprises a rack, a discharging frame is arranged on one side of the rack, a feeding frame is arranged on the other side of the rack, a rotating cylinder is rotatably connected in the rack, and a rotating shaft is arranged in the rotating cylinder. The two ends of the rotating cylinder communicate with the discharging frame and the feeding frame correspondingly. According to the invention, the first heating rod is used as an external heat source, and the second heating rods are circumferentially arranged at the center, so that a bidirectional synergistic heat radiation pattern from outside to inside and from inside to outside is formed, and the inherent defects of edge overheating carbonization and insufficient center pyrolysis of a traditional external heating type retort are effectively overcome. The hawthorn seed material is heated more uniformly, lignocellulose is cracked more sufficiently, the yield of light phenol components such as guaiacol with an HPV inactivation effect is remarkably improved, the consistency of batch-to-batch m-distillate components is enhanced, and the strict requirement of medicinal lotion for effect stability is met.

The preparation method comprises the steps of stir-frying treatment, soaking extraction and filtering separation: stir-frying high-temperature yeast powder prepared from hulled wheat until the scorch aroma appears, mixing the high-temperature yeast powder with base liquor of which the alcoholic strength is greater than or equal to 42% vol according to the mass ratio of (5: 1)-(10: 1), adding porous diatomite loaded with zinc oxide, and uniformly stirring to obtain the flavoring liquor. And sealing and soaking in a common pottery jar at normal temperature for 2-6 months, and then carrying out solid-liquid separation. The core design of the original scheme is respected, and further innovation is realized through subordinate claim optimization: microwave pretreatment and segmented temperature control frying synergistically activate enzyme activity, the critical proportion of (6: 1)-(8: 1) balances flavor and bitter taste, and porous diatomite directionally adsorbs tannin substances. The product is directionally enriched with flavor substances such as 4-vinyl guaiacol and tetramethylpyrazine, the removal rate of tannin bitter substances reaches 68%, the lead migration amount is controlled to be 0.002 mg / L or below, and the extraction period is only 4 months. The process does not need to transform the existing production line and is suitable for blending high-quality white spirit.

This invention belongs to the field of electronic atomization technology, specifically relating to a tobacco extract composition, its preparation method, and its application. The tobacco extract composition comprises dihydroactinol, geranyl linalool, maltol, neophytadiene, megalotrienone, cephalothrix trienol, guaiacol, and furanone; by mass: dihydroactinol / (geranyl linalool + maltol) ≥ 0.1; by dry matter: geranyl linalool content ≥ 0.01 mg / g; maltol content 0.005–0.05 mg / g; it has a tobacco-like sensation, with a strong sweet and natural feel, and a pleasant tobacco experience. The preparation method includes: extracting twice at a lower temperature to obtain tobacco flavor compounds, extracting twice at a higher temperature to obtain smoke flavor compounds, and mixing the tobacco flavor compounds and smoke flavor compounds in a certain proportion to obtain the tobacco extract composition.

The present application relates to a kind of 4-vinyl guaiacol oxygenase mutant and engineering strain for synthesizing vanilla in vitro and application thereof, the amino acid sequence of the 4-vinyl guaiacol oxygenase mutant is the amino acid sequence obtained by mutation based on the sequence shown in SEQ ID NO.1, the mutation site of the mutation includes any one or at least two combinations of W335, I404, V409 or Y413.The enzyme activity of the 4-vinyl guaiacol oxygenase mutant obtained by the present application is 1.4-6 times that before mutation, the mutant constructed by the present application can accumulate 16 g / L of vanilla within 24 h in vitro, and the conversion rate is more than 90%, which realizes the application of in vitro synthesis of natural vanilla.

This invention provides technology for adhesives and coatings that exhibit excellent adhesion in wet conditions and a softening temperature suitable for hot melting. [Solution] The hot melt composition comprises gelatin, polyethyleneimine, and at least one polycation of polylysine, and an aromatic compound which includes at least one of the following: an aromatic compound having two or three phenolic hydroxyl groups in the same molecule, an aromatic compound having a guaiacol skeleton, and an aromatic compound having a syringyl skeleton, wherein the number average molecular weight of the polycation is 4,000 or more and 10,000 or less, and in terms of solid content, the gelatin is 50% by mass or more and 80% by mass or less, the polycation is 10% by mass or more and 40% by mass or less, and the aromatic compound is 2% by mass or more and 10% by mass or less.

The application discloses coffee essence, atomized liquid and electronic atomization device, and belongs to the field of electronic atomizers. The coffee essence comprises 2-acetylpyrrole, vanillin, methylcyclopentenolone, maltol, furfuryl acetate, guaiacol, isopentyl alcohol propylene glycol solution, furfuryl mercaptan, 2-ethyl-3,5-dimethylpyrazine, isovaleric acid propylene glycol solution, 2,3,5-trimethylpyrazine, isobutyraldehyde, 2-methyl-3-(methylthio)pyrazine, isoamyl aldehyde, trigonellin, 4-hydroxy-2,5-dimethyl-3(2H)-furanone, 5-methylfurfural, dimethyl sulfide, 2-acetylfuran, 5-hydroxyethyl-4-methylthiazole, 2-acetylpyrazine, 4-ethylguaiacol, acetic acid, propionic acid, acetaldehyde propylene glycol solution, 4-methyl-5-(2-acetyloxyethyl)-thiazole and propylene glycol. The coffee essence has good stability, good compatibility and can accurately restore the real coffee roasting aroma.

The application discloses a strain of Zygosacharomyces rouxii and application of the strain in fermented food, and belongs to the field of fermentation engineering and biotechnology. The application provides a strain of Zygosacharomyces rouxii MY03, and the preservation number is CCTCC NO: M 20221652. The Zygosacharomyces rouxii MY03 is used for yellow rice wine fermentation, and the alcohol content, fusel and amino acid content of the prepared yellow rice wine have no significant difference compared with a traditional fermentation method, the organic acid content is reduced, the ethyl ester content is increased by 50.82%, the fusel and ester of the produced yellow rice wine are coordinated, the astringency, sourness and alcohol aroma are reduced, the aroma and taste are more balanced, the content of ethyl vinyl guaiacol is increased from 9.16 mu / g to 74.31 mu / g, the herbal aroma is prominent, and the flavor and sensory diversity of the yellow rice wine are increased.