41 results about "Coniferyl alcohol" patented technology

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 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.

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.

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.

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 discloses an engineering bacterium for producing coniferyl alcohol, a construction method and an application of coniferyl alcohol production. The construction method comprises the following steps: fully chemically compounding TAL, COMT, 4CL and CCR genes; performing PCR cloning on hpaBC, yahK, metK and pntAB genes; fully chemical compounding pBPE001, pBPE002 and pBPE003; linking the genes TAL, hpaBC and COMT with pBPE001, thereby acquiring pTHM; linking the genes 4CL, CCR and yahK with pBPE002, thereby acquiring pLRH; linking the genes pntAB and metK with pBPE003, thereby acquiring pNAM; integrating the T7RNA polymerase gene into SyBE-002447 base strain, thereby acquiring a SyBE-002447(DE3) strain; converting pTHM, pLRH and pNAM into SyBE-002447(DE3), thereby acquiring the engineering bacterium SyBE-CNF; taking glucose as a carbon source and fermenting, thereby producing coniferyl alcohol. According to the invention, the engineering escherichia coli are used for producing coniferyl alcohol, so that the source problem of the coniferyl alcohol can be solved and the cost can be lowered.

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 provides an oil-displacing aid and a preparation method and application thereof. The preparation method includes step S1, performing a ring-opening reaction with coniferyl alcohol, ethylene oxide and a first solvent under alkaline conditions to obtain a product system comprising a ring-opening compound; 3 and a second solvent for sulfonation reaction to obtain a sulfonate compound; and step S3, mixing the sulfonate compound and a surface active substance to obtain an oil-displacing aid; wherein, the surface active substance is a fluorocarbon surfactant and a surface active substance. The mixture of ammonium bicarbonate, the ring-opening compound and the sulfonate compound respectively have the following structural formulas: M + is a monovalent cation. In addition, the method is simple and low in cost, and has a remarkable effect of solving the deterioration of the recovery effect of multi-cycle steam huff and puff.