11 results about "Sinapic acid" patented technology

The invention relates to a spleen-tonifying, appetite-stimulating and digestion-promoting traditional Chinese medicine preparation UPLC detection method and a fingerprint spectrum, and belongs to the technical field of medicine detection. The invention aims to solve the technical problems that the existing quality control method of the spleen-tonifying, appetite-promoting and digestion-promoting pills lacks comprehensive and objective analysis on the spleen-tonifying, appetite-promoting and digestion-promoting pills, and the problems of low precision, poor reproducibility, low efficiency and the like during detection of related components in the prior art are solved. According to the technical scheme, the UPLC detection method is characterized in that a mixed standard substance of gallic acid, 5-hydroxymethylfurfural, chlorogenic acid, sinapine thiocyanate, sinapic acid, hyperoside, 3, 6-dimustard acyl sucrose, hesperidin, naringenin, nobiletin and hesperetin is taken as a contrast, an acetonitrile-0. 1% formic acid aqueous solution is taken as a mobile phase, gradient elution is carried out, and the content of chlorogenic acid in the sample is detected. The qualitative and quantitative detection of the effective components of the spleen-tonifying, appetite-promoting and digestion-promoting pill is realized.

The invention belongs to the technical field of hygienic products, and particularly relates to a liquid sanitary towel absorption core and a preparation method thereof. The preparation method comprises the following steps: adding montmorillonite into water, then adding an activating agent and zinc chloride, and carrying out a stirring reaction to obtain pretreated montmorillonite; adding the pretreated montmorillonite into an ethanol water solution, then adding 3-aminopropyltriethoxysilane, and carrying out a heating reaction, so as to obtain sodium aminated montmorillonite; adding aminated Na-montmorillonite into DMF (Dimethyl Formamide), then adding sinapic acid and a catalyst, and carrying out a stirring reaction to obtain a filler; adding a filler, acrylic acid, alkyl methacrylate, acrylamide, a cross-linking agent and an initiator into water, and carrying out a heating reaction to obtain water-absorbent resin; uniformly mixing water-absorbent resin, a surfactant and water, and respectively coating the upper surface and the lower surface of the non-woven fabric with the mixture to obtain the liquid sanitary towel absorbing core. The absorption core body has high water absorption capacity, the menstrual blood penetration time is short, the absorption speed is high, and the back penetration amount is small.

This invention, entitled "A Pharmaceutical Composition, Formulation, Preparation Method, and Application for Alleviating Cerebral Ischemia-Reperfusion Injury," belongs to the field of pharmaceutical technology. The technical problem to be solved is to improve the efficacy of drugs in preventing and / or treating cerebral ischemia-reperfusion injury. The key technical solution is a pharmaceutical composition for alleviating cerebral ischemia-reperfusion injury, comprising sinapic acid and a second therapeutic agent, wherein the second therapeutic agent comprises at least one of edaravone, citicoline, and tetramethylpyrazine.

The invention relates to the technical field of anti-aging compositions, and discloses a preparation method of a water-soluble anti-allergy anti-aging composition, which comprises the following steps: mixing peony flower water, peony branches, a peony root bark extract, a peony root extract, butanediol, 1 part by weight of glycerol, polysorbate-20, ergothioneine, inositol, a mussel extract, 1, 2-propylene glycol and water to obtain a mixture; and adding 1, 2-hexanediol, modified sinapic acid, the essence extract and the intermediate 1 into a stirrer, and stirring to obtain the water-soluble anti-allergy and anti-aging composition. The amino acid contained in the intermediate 1 in the water-soluble anti-allergy and anti-aging composition can effectively improve the skin, and has an excellent whitening effect and a good moisturizing effect; wherein the peony flower water, the peony branches, the peony root bark extract, the peony root extract, the butanediol, the glycerol, the polysorbate-20, the ergothioneine, the inositol and the mussel extract have the effects of repairing, nourishing, relieving, resisting wrinkles and tightening.

The invention belongs to the technical field of agriculture, and particularly relates to a soilless culture method for improving pepper quality. The method comprises the steps of seed treatment, seedling raising, field planting, special nutrient solution supply and the like. The method is characterized in that the special nutrient solution is prepared by the following steps: reacting L-phenylalanine and sinapic acid under the catalysis of laccase to generate a quinone polymer reaction solution, and compounding the reaction solution with a mixed solution prepared from macroelements and trace elements such as calcium nitrate and ammonium dihydrogen phosphate to finally obtain the special nutrient solution. The quinone polymer generated by the enzymatic reaction can be efficiently absorbed by the root system of the pepper and is used as a signal molecule to activate the metabolic pathway of phenylpropane, so that the content of core quality indexes such as capsaicin, vitamin C and soluble sugar in the fruit is remarkably increased while the normal growth of the pepper is ensured, and the yield of the fruit is improved. The problem of insufficient chili flavor and nutrition of a conventional soilless culture technology is solved.

The application discloses a method for rapidly detecting 30 compounds in tea, such as catechins, flavonoids, anthocyanins, phenolic acids and amino acids, wherein the 30 compounds are gallic acid, theobromine, GC, protocatechuic acid, theophylline, EGC, theanine, chlorogenic acid, caffeine, catechin, syringic acid, caffeic acid, vanillic acid, epicatechin, EGCG, delphinidin, salicylic acid, GCG, p-coumaric acid, cyanidin, ferulic acid, sinapic acid, rutin, ECG, pelargonidin, myricetin, theaflavin, quercetin, apigenin and kaempferol. The application can realize simultaneous rapid qualitative and quantitative detection of the 30 compounds, and provides technical support for development of active substances in tea.

The invention discloses a strain of bifidobacterium breve and application thereof. The invention provides a Bifidobacterium breve FeiHeB16 strain, the Bifidobacterium breve FeiHeB16 strain is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.34753, and the preservation date is June 4, 2025. The invention further provides a preparation method of the Bifidobacterium breve FeiHeB16 strain. The Bifidobacterium breve FeiHeB16 strain has the advantages that the Bifidobacterium breve FeiHeB16 strain can be applied to the field of biological engineering, and the application range is wide. The bifidobacterium breve provided by the invention is helpful for enhancing immunity, can regulate the level of beneficial metabolites of an organism, especially sinapic acid, can regulate secretion of cell factors and can regulate the level of immune globulin, can be applied to preparation of related products, and has a huge application prospect.

A matrix solution used to be mixed with a sample in a matrix-assisted laser desorption / ionization mass spectrometry method. The matrix solution is an aqueous solution containing acetonitrile, ethanol, trifluoroacetic acid, and water. A content of the acetonitrile is 30 to 40 vol % based on the matrix solution. A content of the ethanol is 10 to 20 vol % based on the matrix solution. A content of the trifluoroacetic acid is 1 to 3 vol % based on the matrix solution. The matrix solution contains α-cyano-4-hydroxycinnamic acid, 2,5-dihydroxybenzoic acid, or sinapinic acid in a ratio of 5 to 20 mg / ml.

This application discloses a novel phenolic acid decarboxylase, its preparation method, and its applications, relating to the field of enzyme engineering technology. The novel enzyme was extracted from *Mycobacterium avium*, and its amino acid sequence is shown in SEQ ID NO: 3. This enzyme can efficiently catalyze the decarboxylation of hydroxycinnamic acid substrates such as ferulic acid, p-coumaric acid, caffeic acid, and sinapic acid to generate corresponding 4-vinylphenol compounds, with yields of 93.37%, 98.12%, 85.24%, and 11.21%, respectively. The catalytic activity against sinapic acid is significantly superior to most reported phenolic acid decarboxylases. Furthermore, under pH 8.5 and CO2 conditions, this enzyme can also reverse-catalyze the carboxylation reaction of 4-vinylphenol compounds to generate the corresponding hydroxycinnamic acid, with yields between 12% and 20%. It shows promising applications in the high-value utilization of lignin, food flavoring synthesis, and CO2 bioimmobilization.

The invention relates to a multifunctional bio-based lubricating oil additive as well as a preparation method and application thereof. Natural sinapic acid, a boron-containing compound and long-chain alkyl acrylate are used as components, the oil-soluble multifunctional bio-based lubricating oil additive is prepared through a protection-polymerization-activation three-step method, active sites are shielded firstly, and release is performed after polymerization, so that efficient copolymerization of multifunctional monomers is realized. The multifunctional additive structurally comprises three key functional units: a sinapic acid unit (m) for providing hindered phenolic hydroxyl and endowing excellent oxidation resistance; the side chain of the boron-containing unit (p) contains a boronic acid pinacol ester group, so that excellent wear resistance and friction reduction performance are provided; the long chain alkyl unit (n) provides good oil solubility and acts as a viscosity index improver. By adjusting the ratio of m: n: p, the performance emphasis of the additive can be customized according to different working condition requirements.

The invention provides an application of a hydroxycinnamic acid derivative in improving muscle texture and essential fatty acid deposition of plectropomus latifolius, and belongs to the technical field of development of aquatic feed additives. According to the present invention, after the caffeic acid, the sinapic acid and the p-coumaric acid in the hydroxycinnamic acid derivative are combined according to the mass ratio of (1-3): (1-3): (1-3), the muscle texture and the essential fatty acid deposition of the red pink bass can be effectively improved, and the feed additive, the red pink bass feed and the red pink bass breeding method are provided based on the combination; and the feed cost can be effectively reduced, the muscle quality of the red plectropomus latus is improved, and the content of essential fatty acid is increased.