60 results about "Coniferyl alcohol" patented technology

Particular aspects provide novel methods for redirecting carbon allocation in plants or cell culture from lignification to inherently more useful and tractable materials, and to facilitate the generation of, e.g., biofuels from the remaining plant roculture biomass. Particular aspects provided novel methods for converting monolignols into allyl / propenyl phenols, and for chavicol / eugenol formation or production. Additional aspects relate to the discovery of novel chavicol / eugenol synthases that convert p-coumaryl / coniferyl alcohol esters into chavicol / eugenol, and to novel compositions (e.g., novel proteins and nucleic acids encoding same), and novel methods using same for producing or forming chavicol / eugenol and other derivatives in cell culture and / or genetically modified plants, and for re-engineering the composition of plant biomass. Particular aspects provide novel methods for generation in culture or in planta of liquid / combustible allyl / propenyl phenols, and these phenolic products are utilized for (non-ethanol) biofuel / bioenergy purposes, while the remaining plant biomass facilitates the generation of other biofuels.

The invention discloses an enhancer for papermaking and a preparation method thereof, and belongs to the field of papermaking. The enhancer for papermaking comprises the following components in parts by weight: 20-30 parts of cationic polyacrylamide, 15-20 parts of hydroxypropyl methyl cellulose, 20-30 parts of coniferyl alcohol, 15-20 parts of polyethylene glycol, 10-20 parts of glyceryl stearate, 10-20 parts of starch, 5-8 parts of aluminum sulfate and 1-2 parts of sodium bicarbonate. The enhancer prepared by the method can be applied to the field of papermaking, paper prepared by the enhancer has good strength and certain waterproofness, and meanwhile, the preparation method disclosed by the invention is simple and can be applied to repeated production.

A process for the production of natural ferulic acid, coniferyl alcohol and / or vanillin, includes the bio-conversion of eugenol by a bacteria belonging to the Streptomyces genes including at least one nucleotide sequence SEQ ID NO:1 or SEQ ID NO:8 or any nucleotide sequence having at least 70%, preferably 80% and very preferably 90%, identity with the sequence SEQ ID NO:1 or SEQ ID NO:8.

An inductive production-increase agent for the honeybee pollination on flowering plants comprises (E)-9-Oxodec-2-enoic acid (9-ODA), R (-)-9-hydroxy-(E)-2-decenoic acid (R(-)-9HDA), S(+)-9-hydroxy-(E)-2-decenoic acid (S (+) -9HDA), Methyl 4-hydroxybenzoate (HOB), 4-hydroxy-3-methoxyphenylacetic (HVA), 9-Octadecenoic acid methyl ester (methyl oleate), (E)-4-(4-Hydroxy-3-methoxypheny)-3-2-propen-1-ol (coniferyl alcohol), hexadecanol and (Z9, Z12, Z15)-9, 12, 15-octadecatrienoic acid (linolenic acid); the invention can effectively induce a honeybee to pollinate on flowering plants. The inductive production-increase agent has a positive effect on the production increase of honeybee pollination on blueberries and cherries; it effectively extrudes the application of the queen bee flowing element in the inductive production increase in the pollination on blueberries and cherries.

The invention belongs to the technical field of medicine preparation, and particularly relates to a eucommia ulmoides extract composition and a preparation method and application thereof. The composition comprises the following components: geniposidic acid, chlorogenic acid, aucubin, and a mixture of pinoresinol diglucoside and dehydrodiconiferyl alcohol diglucoside. The extract composition can effectively treat primary hypertension or kidney deficiency syndrome, has no toxic or side effect, is small in dosage, and can effectively reduce the medication cost.

The invention relates to a fabricating method of a formaldehyde-free wheat straw medium density fiberboard, which comprises the following steps: wheat straw chemical-mechanical pulp is added with NaAc-HAc buffer to dilute pulp into wheat straw fiber suspension with mass concentration of 2-10%; coniferol-beta-D-glucoside that is 1-10% of oven dry wheat straw pulp, 0.05-0.5% of beta-glucosidase with concentration of 6.3u / mg, 1-12% of pectin colloid and 1-8% of cationic paraffin emulsion are respectively added in the suspension; and then, 10U / g-80U / g of laccase is added in the suspension to start reaction; the processed wheat straw fiber is scattered through an electric mixer; a fiberboard former is used to shape the fiberboard; excess water is removed by prepressing; and at last the fiberboard is obtained by hot pressing. By virtue of the fabricating method, the physical mechanical property and water-resistant performance of the wheat straw medium intensity fiberboard are improved; the pollution problem of free formaldehyde generated during the process of artificial board production and utilization is solved; waste materials such as crop wheat straw can be utilized; and the environment pollution is reduced.

The invention discloses a method for degrading lignin in seawater. The method comprises the following steps: at the temperature of 150-500 DEG C, after the lignin is mixed with the seawater for reaction for no less than 0.5 h, separating to obtain the mixed product of phenolic compounds, wherein the total weight of the mixed product of the phenolic compounds accounts for more than 20% of the weight of the lignin in feeding materials. The method has the advantages of wide source of raw materials, simplicity in separation, high product yield and the like, and is suitable for preparing the phenolic compounds such as coniferyl alcohol, tonquinol, vanillic aldehyde, syringyl derivatives and the like by using biomass resources as raw materials.

The invention discloses a method for synthesizing silibinin by virtue of an enzyme catalysis reaction, belonging to the field of biochemical industry. According to the method, four isomerides of the silibinin are synthesized by catalyzing coniferyl alcohol and taxifoliol by virtue of peroxidase in the presence of hydrogen peroxide. The reaction is carried out in a water phase, and the use of an organic solvent is avoided; and moreover, the reaction efficiency is high, 18.52mg / L of silibinin can be generated within 5 minutes, and the conversion rate is 85.31 percent. The method is a safe and high-efficiency method for synthesizing silibinin.

A process for preparing the Chinese-medicinal extract rich in coniferylester ferulate includes such steps as providing the powder of Chinese-medicinal material rich in coniferylester ferulate, supercritical CO2 extracting or organic solvent extracting, volatilizing the organic solvent to obtain refined oil, extracting by the mixture of organic solvents or organic solvent, and evaporating out the organic solvent. The application of said extract in preparing medicine, health-care product, or cosmetics for preventing and treating cardiovascular and cerebrovascular diseases is also disclosed.

The invention belongs to the technical field of polyester polyol preparation, and particularly relates to phosphorus-nitrogen synergistic flame-retardant polyester polyol and a preparation method thereof.The phosphorus-nitrogen synergistic flame-retardant polyester polyol is obtained by conducting condensation polymerization on a phosphate carboxylic acid compound I, a phosphate carboxylic acid compound II, micromolecular polyol and micromolecular polybasic acid under the action of a catalyst; wherein the phosphate carboxylic acid compound I is obtained by carrying out esterification reaction on 2-phosphonobutane-1, 2, 4-tricarboxylic acid and coniferyl alcohol under the action of concentrated sulfuric acid; the phosphate carboxylic acid compound II is obtained by carrying out esterification reaction on 2-phosphonobutane-1, 2, 4-tricarboxylic acid and 1H-imidazole-5-propanol under the action of concentrated sulfuric acid. The flame retardant property is improved through phosphorus-nitrogen synergism, and meanwhile, the aging resistance is improved. The invention also provides a preparation method thereof.

The invention provides a spiraea salicifolia stem and branch anti-rheumatoid-arthritis effective part and a preparation method and application thereof.According to the effective part, spiraea salicifolia stems and branches serve as raw materials, extract is obtained after 60% ethyl alcohol reflux extraction and ethyl alcohol pressure reduction recovery, the extract is purified with macroporous adsorption resin, and the total lignanoside effective part is obtained.The sum of weights of (+)-8'-hydroxy pinoresinol-8'-O-beta-d-glucopyranoside, (7R,8S)-dihydro dehydrogenation bis-coniferyl alcohol-9'-O-beta-d-glucopyranoside, (+)-lyonia ovalifolia tree ring lignans-9-O-beta-d-glucopyranoside and (+)-isolariciresinol-9-O-beta-d-pyran xyloside in the effective part ranges from 40% to 50%.The effective part is determined through the method that a modern separation means and pharmacological activity screening are combined, the ingredients of obtained effective part are clear, the content of active ingredients is high, it is shown through the in-vitro and in-vivo experiment results that the spiraea salicifolia stem and branch anti-rheumatoid-arthritis effective part inhibits generation of pro-inflammatory cytokine tumor necrosis factor-alpha, interleukin-1 beta and interleukin-6 to achieve the effect of treating rheumatoid arthritis.

The invention discloses a high-temperature-resistance low-square-resistance conductive silver slurry and a preparation method for the same. The high-temperature-resistance low-square-resistance conductive silver slurry is made by the weight parts of the following ingredients: silver powder 45-55, yttria nanometer powder 1-2, thallium oxide nanometer powder 1.1-1.2, urea 1.5-2.7, methyl cellulose 0.5-0.9, fatty alcohol sodium sulfate 0.4-0.8, medical stone 2-4, pastern 3-5, alkyd 1-3, glycerinum 2.4-3.7, coniferyl alcohol 2.4-3.6, accessory ingredient 30-40 and water. The conductive silver slurry has excellent performance of resisting high temperature, can resist high temperature of being over 200 DEG, and uses the yttria nanometer powder and the thallium oxide nanometer powder to increase the conductivity and adherence of the conductive slurry and is very promising.

The invention belongs to the technical field of papermaking, and particularly relates to a multi-functional composite reinforcing agent for papermaking and a preparation method thereof. The preparation method comprises the steps of: preparing doped halloysite nanotubes from halloysite nanotubes and aluminum nitrate as raw materials, and then using gamma-aminoethyl aminopropyl trimethoxy silane for modification treatment to obtain a modified nano material; by taking hydroxymethyl acrylamide as a raw material, preparing gelatinous polyhydroxymethyl acrylamide through an inverse emulsion polymerization method; preparing starch into starch slurry, adding polyhydroxymethyl acrylamide, carrying out grafting reaction to obtain grafted starch slurry, and carrying out etherification modification by using 3-chloro-2-hydroxypropyl-trimethoxy ammonium chloride to obtain modified starch slurry; and finally, adding the modified nano material and coniferyl alcohol into the modified starch slurry, and stirring for reaction. By adding the reinforcing agent, the strength of paper can be obviously improved.

The invention provides a spiraea salicifolia stem and branch anti-rheumatoid-arthritis effective part and a preparation method and application thereof.According to the effective part, spiraea salicifolia stems and branches serve as raw materials, extract is obtained after 60% ethyl alcohol reflux extraction and ethyl alcohol pressure reduction recovery, the extract is purified with macroporous adsorption resin, and the total lignanoside effective part is obtained.The sum of weights of (+)-8'-hydroxy pinoresinol-8'-O-beta-d-glucopyranoside, (7R,8S)-dihydro dehydrogenation bis-coniferyl alcohol-9'-O-beta-d-glucopyranoside, (+)-lyonia ovalifolia tree ring lignans-9-O-beta-d-glucopyranoside and (+)-isolariciresinol-9-O-beta-d-pyran xyloside in the effective part ranges from 40% to 50%.The effective part is determined through the method that a modern separation means and pharmacological activity screening are combined, the ingredients of obtained effective part are clear, the content of active ingredients is high, it is shown through the in-vitro and in-vivo experiment results that the spiraea salicifolia stem and branch anti-rheumatoid-arthritis effective part inhibits generation of pro-inflammatory cytokine tumor necrosis factor-alpha, interleukin-1 beta and interleukin-6 to achieve the effect of treating rheumatoid arthritis.

The invention provides a preparation method for a composite material for energy storage elements, which includes the following steps: (1) graphene oxide, meso-erythritol, coniferyl alcohol, tea cake meal, lignin, xylan, lactose and distilled water are mixed and stirred; (2) mixture is loaded into a hydrothermal reaction kettle and heated, and temperature is kept; (3) the mixture is cooled to room temperature, filtered, washed to be neutral and dried, so that a product A is obtained; (4) the product A, potassium hydroxide, sodium hydroxide and distilled water are mixed and stirred; (5) sucrose fatty acid ester, quillaic acid, quercetin, paraben, propylgallate, n-butyl stearate and isopropanol are mixed and stirred; (6) the mixtures are mixed, put into a tube furnace and sintered; (7) the sinter is cooled to room temperature, washed to be neutral and dried, so that the composite material is obtained. The specific capacitance value of the material prepared by the method disclosed by the invention is extremely high, the energy density is much higher than the energy density of conventional energy storage elements, the efficiency of discharge is high, moreover, the composite material can show good cycle stability, and the repetition utilization rate is high.

The invention discloses high-strength carbon paper which is prepared from the following raw materials in parts by weight: 7 to 9 parts of sodium carboxymethylcellulose, 5 to 8 parts of titanium dioxide, 12 to 15 parts of polyamine polyepoxide resin, 3 to 5 parts of polyethylene glycol, 3 to 4 parts of sodium benzoate, 4 to 6 parts of borax, 13 to 18 parts of aramid fiber, 6 to 8 parts of light calcium carbonate, 6 to 7 parts of styrene-butadiene latex, 3 to 5 parts of coniferyl alcohol, 7 to 8 parts of sodium bicarbonate, 7 to 11 parts of corn starch, 4 to 6 parts of fatty acid, 6 to 8 parts of benzotriazole and 12 to 16 parts of pigment. The high-strength carbon paper disclosed by the invention has the advantages of clearness in duplication, good duplication effect, high strength of duplication area and no decoloring.

The invention relates to the field of separation and detection of substances, and provides a method for synchronous detection of coniferyl alcohol and pinoresinol. First, high performance liquid chromatography is used to measure the absorbance of coniferyl alcohol and pinoresinol in a sample to be tested, wherein the detection wavelength is 280nm; The high-performance liquid chromatography adopts gradient elution, and the eluent in the gradient elution includes methanol and water; then according to the standard curve of coniferyl alcohol and the absorbance of coniferyl alcohol in the test sample, the coniferyl alcohol in the test sample is obtained. The concentration of alcohol; According to the standard curve of pinoresinol and the absorbance of pinoresinol in the test sample, obtain the concentration of pinoresinol in the test sample. The method provided by the invention can effectively separate coniferyl alcohol and pinoresinol in the sample to be tested, and detect the corresponding concentrations of coniferyl alcohol and pinoresinol respectively.

The invention discloses a method for degrading lignin in seawater. The method comprises the following steps: at the temperature of 150-500 DEG C, after the lignin is mixed with the seawater for reaction for no less than 0.5 h, separating to obtain the mixed product of phenolic compounds, wherein the total weight of the mixed product of the phenolic compounds accounts for more than 20% of the weight of the lignin in feeding materials. The method has the advantages of wide source of raw materials, simplicity in separation, high product yield and the like, and is suitable for preparing the phenolic compounds such as coniferyl alcohol, tonquinol, vanillic aldehyde, syringyl derivatives and the like by using biomass resources as raw materials.

In general the present invention relates to cross-linked-polymers (resins) from acrylated lignin oils, comprising di-acrylated dihydroconiferyl alcohol (DADCA). The present invention further provides methods for preparing such polymers, the building blocks and the use thereof in the manufacture of homo- and co-polymers comprising DADCA and DADCA-like molecules. In a further aspect, this invention elaborates on the possible applications of the polymers thus obtained.

The invention discloses a method for catalytically synthesizing silybin through laccase, and belongs to the field of biochemical industry. According to the method for catalytically synthesizing the silybin through the laccase, four types of isomerides of the silybin are synthesized by catalyzing coniferyl alcohol and taxifolin through the laccase. The reaction is conducted in a water phase, and use of organic solvent is avoided; the reaction efficiency is high, and 0.9694 mg / L of the silybin can be generated within 1 h. The method for synthesizing the silybin is safe and efficient.

The invention discloses a non-toxic polyvinyl chloride resin terminator and a preparation method thereof, and relates to the technical field of terminators, and the non-toxic polyvinyl chloride resin terminator comprises the following materials in parts by weight: ethylhexanoic acid 2-[4-(2-ethylhexanoyloxy)-2, 2, 6, 7-tetramethyl-4-piperidine-2-yl]-1, 2, 4- The composition is prepared from the following components in parts by weight: 20 to 30 parts of 2, 2, 6, 6-tetramethylpiperidine-1-yl]-ethyl ester, 15 to 25 parts of 1-bromo-n-pentane, 30 to 40 parts of coniferyl alcohol derivative compound, 25 to 35 parts of mustard acyl derivative compound, 60 to 70 parts of antioxidant and 60 to 150 parts of polymerization inhibitor. By introducing the coniferyl alcohol derivative compound and the sinapyl acyl derivative compound, the terminator has the advantages of high planting efficiency and non-toxic preparation, and the light stability can be effectively improved by mixing the ethylhexanoic acid 2-[4-(2-ethylhexanoyloxy)-2, 2, 6, 6-tetramethylpiperidine-1-yl]-ethyl ester and the 1-bromo-n-pentane.

The invention provides an oil-displacing discharge aiding agent as well as a preparation method and application thereof. The preparation method comprises the steps of S1, carrying out ring-opening reaction on coniferyl alcohol, ethylene oxide and a first solvent under an alkaline condition to obtain a product system containing a ring-opening compound; S2, carrying out sulfonation reaction on the product system containing the ring-opening compound, SO3 and a second solvent to obtain a sulfonate compound; and S3, mixing the sulfonate compound and a surface active substance to obtain the oil-displacing discharge aiding agent, wherein the surface active substance is a mixture of a fluorocarbon surfactant and ammonium bicarbonate, and the ring-opening compound and the sulfonate compound respectively have structural formulas shown in the description, and M < + > is a monovalent cation. The method is simple, low in cost and remarkable in effect of solving the problem that the multi-cycle steam huff and puff harvesting effect becomes poor.

A coniferyl alcohol or a Compositae family, Brassicaceae family, Umbelliferae family, Lamiaceae family, Liliaceae family or Amaranthaceae plant extract provides various uses associated with hTRPA1 activation, and, being a natural compound, involves relatively few side effects in the body and has substantial industrial applicability. The coniferyl alcohol or the Compositae family, Brassicaceae family, Umbelliferae family, Lamiaceae family, Liliaceae family or Amaranthaceae plant extract of the present invention not only will be a novel medical or food raw material which is helpful in maintaining homeostasis in the body associated with hTRPA1 activation, but can also be used to advantage in hTRPA1 antagonist screening.

The invention discloses a reinforcing agent for papermaking and a preparation method thereof, which belongs to the field of papermaking. The strengthening agent for papermaking is made of the following components by weight: 20-30 parts of cationic polyacrylamide, 15-20 parts of hydroxypropyl methylcellulose, 20-30 parts of coniferyl alcohol, polyethylene glycol 15-20 parts, 10-20 parts of glyceryl stearate, 10-20 parts of starch, 5-8 parts of aluminum sulfate and 1-2 parts of sodium bicarbonate. The strengthening agent prepared by the method can be used in the field of papermaking, and the paper prepared by adding the strengthening agent has good strength and certain water resistance, and meanwhile, the preparation method of the invention is simple and can be produced repeatedly.

The invention discloses a method for synthesizing silibinin through an enzyme-catalyzed reaction, and belongs to the field of biochemical industry. In the present invention, four isomers of silibinin are synthesized by peroxidase catalyzing coniferyl alcohol and docetaxel in the presence of hydrogen peroxide. The reaction is carried out in the aqueous phase, avoiding the use of organic solvents; the reaction efficiency is high, and 18.52 mg / L silibinin can be produced within 5 minutes, and the conversion rate is 85.31%. The method is a safe and efficient method for synthesizing silibinin.

This invention discloses a strain that degrades various lignin-derived aromatic compounds and its application in detoxification of hydrolysate. The strain is classified as *Rhodococcus ethereans*. Rhodococcus ether-eating Strain N1, deposited at the China Center for Type Culture Collection (CCTCC) on August 11, 2022, with accession number CCTCC NO: M 20221270, can degrade p-hydroxybenzoic acid, p-coumaric acid, ferulic acid, vanillin, coniferyl alcohol, and syringaldehyde. After lignin depolymerization, derivative phenolic inhibitors are formed, mainly divided into three types: S-type (syringaldehyde), G-type (ferulic acid), and H-type (p-coumaric acid), which affect the fermentation of the strain. The Rhodococcus bacterium in this invention can efficiently degrade SGH-type monomers, achieving a removal efficiency of up to 68.4% when applied to the biological detoxification of hydrolysate inhibitors. Strain N1 has significant application value in improving the conversion efficiency of lignocellulose hydrolysate and reducing the detoxification cost in industrial production.

The invention discloses a high-temperature-resistance low-square-resistance conductive silver slurry and a preparation method for the same. The high-temperature-resistance low-square-resistance conductive silver slurry is made by the weight parts of the following ingredients: silver powder 45-55, yttria nanometer powder 1-2, thallium oxide nanometer powder 1.1-1.2, urea 1.5-2.7, methyl cellulose 0.5-0.9, fatty alcohol sodium sulfate 0.4-0.8, medical stone 2-4, pastern 3-5, alkyd 1-3, glycerinum 2.4-3.7, coniferyl alcohol 2.4-3.6, accessory ingredient 30-40 and water. The conductive silver slurry has excellent performance of resisting high temperature, can resist high temperature of being over 200 DEG, and uses the yttria nanometer powder and the thallium oxide nanometer powder to increase the conductivity and adherence of the conductive slurry and is very promising.

The invention belongs to the biotechnology field, and particularly relates to a method for preparing dihydro-dehydro-di(coniferyl alcohol)glucoside (HMZG) through biotransformation. The dihydro-dehydro-di(coniferyl alcohol)glucoside (HMZG) is obtained from a strain with the preservation number of Bacillus subtilis ATCC 6633 through biotransformation, and three glucoside pure products (HMZG-1, HMZG-2 and HMZG-3) are obtained through repeated silicagel column chromatography purification. Therefore, the biotransformation method for efficiently obtaining the dihydro-dehydro-di(coniferyl alcohol)glucoside (HMZG) is established.

The invention relates to a bisphenol-A-free coating for a food packing material and a preparation method of the bisphenol-A-free coating, and belongs to the technical field of paints.The preparation method comprises the steps that S1, titanium dioxide serves as a matrix, sinapaldehyde and coniferyl alcohol are added for modification, and a composite antibacterial material is obtained; s2, premixing part of the raw materials to obtain a polyvinyl alcohol solution, an inulin solution and a casein dispersion liquid; s3, preparing a finished product of the coating for the food packaging material. Titanium dioxide is used as an antibacterial main body, coniferyl alcohol and sinapic aldehyde are added to prepare an antibacterial material, the advantages of all the raw materials are effectively exerted, the problem that the antibacterial function of a single raw material is insufficient is solved, and the prepared coating has the antibacterial property; in addition, casein and inulin are also added, and boric acid is used as a cross-linking agent to enable the system to form a net structure, so that the permeation difficulty of water vapor molecules in air is increased, and the barrier property of the prepared coating to water vapor is improved. The selected raw materials are environment-friendly, so that the prepared coating also has a relatively high degradation degree.