17 results about "Alkylresorcinol" patented technology

The present invention relates to a method for producing alkylresorcinol, specifically 4-alkylresorcinol, and more specifically, to a method for producing 4-alkylresorcinol, which enables the production of 4-alkylresorcinol to have high yield and high purity, and which is environmentally friendly.

The invention discloses a wheat alkyl resorcinol content molecular marker and application thereof. The invention provides an application of a substance for detecting the genotype of an SNP site AX-109949078 in a wheat genome in any one of the following products or preparation of any one of the following products: A1) identifying or assisting in identifying the content of alkylresorcinol in wheat grains; a2) screening or auxiliary screening of wheat with high alkyl resorcinol grains; a3) breeding wheat with high alkylresorcinol grains; a4) wheat genetic breeding, and the SNP site AX-109949078 is the 81st site of SEQ ID NO.4. Experiments prove that a wheat alkyl resorcinol content site is determined, the SNP marker closely linked with the wheat alkyl resorcinol content site is AX-109949078, a KASP primer is developed according to the corresponding marker, and molecular marker-assisted screening can be carried out on the alkyl resorcinol content.

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 belongs to the field of synthetic biology, and particularly relates to a genetically engineered bacterium for synthesizing alkylresorcinol and a preparation method of the genetically engineered bacterium. According to the invention, through screening, it is determined that an appropriate expression vector containing a polyketide synthetase gene efficiently expresses and generates alkyl resorcinol in genetically modified host bacteria escherichia coli Nissle 1917, and the expression of an acetyl coenzyme A carboxylase gene related to an alkyl resorcinol synthesis path is further enhanced; the yield of the alkyl resorcinol is further improved, the maximum yield of shake flask fermentation reaches 27.17 mg / L, and a foundation is laid for large-scale industrial production of the alkyl resorcinol.

The invention relates to the technical field of cereal functional factor detection, and discloses a method for realizing cereal functional factor detection in a deep eutectic solvent. Specifically, the invention discloses a rapid visualization method for detecting vanillic acid and alkyl resorcinol in a deep eutectic solvent, the deep eutectic solvent synthesized by choline chloride-urea is used as a green solvent to construct a detection system, and a diazonium salt compound is used as a probe. The diazonium salt compound has good solubility and stability in a deep eutectic solvent, can be chemically reacted with vanillic acid and alkyl resorcinol to generate azo compounds with different structures, causes the change of optical characteristics, presents a remarkable visual effect, and has good application prospects. Therefore, the specific detection of the vanillic acid and the alkyl resorcinol in the eutectic solvent is realized. The detection method provided by the invention is green, efficient, stable and sensitive, has the characteristic of visualization, is suitable for actual samples, and is convenient to apply.

The present invention relates to a method for preparing alkylresorcinol, particularly, 4-alkylresorcinol, and to a preparation method capable of preparing high purity 4-alkylresorcinol in a high yield in an eco-friendly manner.

The invention belongs to the technical field of genetic engineering and plant disease prevention and control, and particularly relates to application of a TaARS1 gene in regulation and control of plant alkylresorcinol and / or plant resistance. The invention provides an application of the TaARS1 gene. The amino acid sequence of the protein coded by the TaARS1 gene is shown as SEQ ID NO: 3. The TaARS1 gene is developed and utilized, the variety and content of alkylresorcinol in wheat and other crops can be effectively increased, the resistance of plants to fusarium, especially fusarium graminearum, is enhanced, and the nutritional value of related crops is increased.

The invention discloses a preparation method of a high-strength glass fiber plate by using flame-retardant fast-curing glass fabric, and belongs to the technical field of preparation of glass fiber plates. The preparation method of the high-strength glass fiber plate using the flame-retardant fast-curing glass fiber cloth comprises the following steps: step 1, adding a composite flame retardant into deionized water, carrying out ultrasonic dispersion, adding the glass fiber cloth, and drying to obtain the treated glass fiber cloth; 2, phenolic resin and benzoxazine resin are added into a container, then 4-dodecyl resorcinol is added, oil bath stirring and constant-temperature heat preservation reaction are carried out, then the container is cooled for reaction, after the reaction is finished, modified phenolic resin is obtained, the modified phenolic resin, a composite curing agent and a dispersing agent are mixed and stirred, and composite resin is obtained; 3, the treated glass fiber cloth is added into the composite resin to be soaked, taken out, placed in a mold, pressed and cured, and the high-strength glass fiber plate is obtained. The glass fiber plate prepared by the method has excellent mechanical property and flame retardant property.

The present application relates to a kind of preparation method of 5-alkyl resorcinols compound. Specifically, the method includes the following steps: under the action of catalyst and persulfate, compound of formula (2) is subjected to dehydroaromatization reaction, and 5-alkyl resorcinols compound shown in formula (1) is obtained.

The present invention belongs to the technical fields of genetic engineering and plant disease control, and specifically relates to the use of the TaARS1 gene in regulating plant alkylresorcinol production and / or plant resistance. The present invention provides uses of the TaARS1 gene; the amino acid sequence of the protein encoded by the TaARS1 gene is shown in SEQ ID NO: 3. The development and utilization of the TaARS1 gene in the present invention can effectively increase the types and content of alkylresorcinols in wheat and other crops, enhance plant resistance to Fusarium, particularly Fusarium graminearum, and improve the nutritional value of related crops.

The invention provides a scalable and low cost process for synthesis of different high value 4-alkyl resorcinols such as 3-(2,4-dihydroxyphenyl)propanoic acid, 3-(2,4- dihydroxy-5-methylphenyl)-2-methylpropanoic acid, 4-methyl resorcinol, 4-isopropyl resorcinol and 4-hexyl resorcinol from their corresponding cyclohexane-1,3-diones. The present invention also provides a process for preparing cyclohexane-1,3-diones which is the starting materials for the synthesis of resorcinols.

To provide a method for producing an alkylresorcinol-containing liposoluble composition that comprises alkylresorcinol as a liposoluble constituent derived from bran of gramineous cereals, the concentration of alkylresorcinol being more than 5 mass%, and the composition having high purity; and to provide the alkylresorcinol-containing liposoluble composition.SOLUTION: This method comprises: adding and mixing n-hexane and an aqueous sodium chloride solution into a solution obtained by eluting liposoluble components from bran of gramineous cereals; separating by a liquid-liquid separation operation an n-hexane phase containing alkylresorcinol-containing liposoluble components; and volatilizing the n-hexane to obtain an alkylresorcinol-containing liposoluble composition.SELECTED DRAWING: None

The present invention relates to a use of a TaARS1 gene in regulation and control of a plant alkylresorcinol and / or plant resistance. Provided is a use of a TaARS1 gene, wherein the amino acid sequence of a protein encoded by the TaARS1 gene is as shown in SEQ ID NO: 3. By developing and utilizing the TaARS1 gene, and editing the TaARS1 gene in wheat, it is found that the alkylresorcinol content in wheat is reduced, and overexpression of the TaARS1 gene in wheat and other crops can effectively increase the alkylresorcinol content in wheat and other crops, enhance plant resistance to Fusarium, particularly Fusarium graminearum, and improve the nutritional value of the related crops.

The present invention relates to a combination of at least two different resorcinol derivatives, wherein one resorcinol derivative is a 4-alkylresorcinol of formula (I), a pharmaceutically acceptable salt, and / or a solvate thereof, and one resorcinol derivative is a 4-azoaryl resorcinol of formula (II), a pharmaceutically acceptable salt and / or solvate thereof, said combination for use as an antibacterial agent, a pharmaceutical composition comprising said combination, said pharmaceutical composition for use as a medicament, and said pharmaceutical composition for use in the treatment of bacterial or infectious diseases, in particular caused by Gram-positive bacteria.

The invention provides a scalable and low cost process for synthesis of different high value 4-alkyl resorcinols such as 3-(2,4-dihydroxyphenyl)propanoic acid, 3-(2,4- dihydroxy-5-methylphenyl)-2-methylpropanoic acid, 4-methyl resorcinol, 4-isopropyl resorcinol and 4-hexyl resorcinol from their corresponding cyclohexane-1,3-diones. The present invention also provides a process for preparing cyclohexane-1,3-diones which is the starting materials for the synthesis of resorcinols.

The present invention is directed to embodiments of a method for coloring hair using an oxidative hair coloring composition based upon the primary dye compounds MBB, Aminol and optional secondary precursor and coupler compounds PAP, DPE, MAP, AHT and EOAP, a carbonate and / or bicarbonate source, an alkalizer and one or more amino acids. Additional subsidiary precursors and couplers may be included to broaden the color space delivered by the primary dye compounds. The oxidative hair coloring composition is free of resorcinol and C1-C10 alkyl resorcinol. The L*a*b* color space of embodiments of the oxidative hair coloring composition as measured by L*a*b* techniques is about the same as that delivered by the resorcinol based composition.

To provide a method for producing an alkylresorcinol-containing liposoluble composition that comprises alkylresorcinol as a liposoluble constituent derived from bran of gramineous cereals, the concentration of alkylresorcinol being more than 5 mass%, and the composition having high purity; and to provide the alkylresorcinol-containing liposoluble composition.SOLUTION: There is provided a method for producing an alkylresorcinol-containing liposoluble composition, the method comprising: adding an alkali to a solution obtained by eluting liposoluble components from bran of gramineous cereals to adjust the pH to 10 or more; adding and mixing n-hexane to the resulting solution; separating by a liquid-liquid separation operation an n-hexane phase containing unnecessary liposoluble components other than alkylresorcinol to obtain an ethanol-containing solvent phase; adding an acid to this solvent phase to adjust the pH to 2 to 6, and adding and mixing n-hexane into the resulting ethanol-containing solvent phase; separating the n-hexane phase by a liquid-liquid separation operation; and volatilizing the n-hexane to obtain the alkylresorcinol-containing liposoluble composition.SELECTED DRAWING: None