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119 results about "Palmatine" patented technology

Palmatine is a protoberberine alkaloid found in several plants including Phellodendron amurense, Rhizoma coptidis/Coptis Chinensis and Corydalis yanhusuo. It is the major component of the protoberberine extract from Enantia chlorantha.

Stephania hainanensis total alkaloid extract and preparation method thereof

The invention belongs to the technical field of pharmacy, and particularly discloses a stephania hainanensis total alkaloid extract extracted from stephania hainanensis tubers and a preparation method thereof. The preparation process is as follows: material (stephania hainanensis dry tubers); grinding; soaking in a moderate amount of 0.01 to 10 percent of hydrochloric acid or sulfuric acid; 1 to 4 times of ultrasonic extraction; filtration; storng-acid cation exchange resin purification; solvent recovery for drying; and stephania hainanensis total alkaloid extract. The extract mainly comprises L-tetrahydropalmatine, palmatine, fangchinoline, hanfangchin and other active ingredients, the percentage by weight of stephania hainanensis total alkaloid is greater than or equal to 70 percent, the percentage by weight of the palmatine is greater than or equal to 20 percent, and the percentage by weight of the fangchinoline is greater than or equal to 40 percent. Reports on the stephania hainanensis total alkaloid extraction process are not found in related literatures so far, the operation flow of the method is simple, the purity of the product is high, the efficacy is remarkable, and the method disclosed by the invention is applicable to industrial production and the exploitation and utilization of local stephania hainanensis resources.
Owner:朱毅

Method for testing effective ingredients of Gegen Qinlian medicine

The invention provides a method to detect effective ingredients of radices puerarire, radices scutellariae and coptis chinensis medicine (Gegen Qin Lian Medicine) by high efficiency liquid chromatogrophy. The method consists of the following steps: firstly, a sampling liquid to be detected and a mixing control solution are prepared, which are then respectively detected by the following methods: a chromatographic column stuffed by octadecyl silane bonded silica gel is injected by the sample size of 1 to 20ul, the column temperature is controlled between 10 to 40 DEG C, then gradient elution is carried out by a mobile phase which is composed of phase A and phase B at a flow velocity of 0.3 to 1.5ml/min according to the stipulated procedure; moreover, multi-wavelength ultraviolet is employed to detect the eluent so as to obtain the high efficiency liquid chromatograms of the detected medicines and the control solution; finally, the high efficiency liquid chromatograms of the detected medicines and the control solution are compared so as to determine the effective components of puerarin, daidzin, wogonoside, baicalin, palmatine and berberine and the contents thereof. The phase A in the method of the invention is ammonium acetate solution with the concentration of 0.01 to 0.1mol/l, and the phase B is acetonitrile.
Owner:SOUTHERN MEDICAL UNIVERSITY

The preparation method of palmatine

The invention discloses a preparation method of fibrauretin which is applied in the chemical synthesis field of broad-spectrum antibiotics. The preparation method comprises the following steps: adding berberine hydrochloride in an organic solvent, and reacting at 100-150 DEG C under the catalysis of a Lewis acid to remove methylene and obtain an intermediate 2,3,9,10-tetrahydroxyberberine; placing the intermediate 2,3,9,10-tetrahydroxyberberine in a basic solvent to react under the action of a methylating agent at 30-40 DEG C and obtain an intermediate fibrauretin base; and heating the intermediate fibrauretin base in distilled water to dissolve, and adding hydrochloric acid to form the salt and obtain fibrauretin, wherein the organic solvent is selected from one of toluene and xylene, the Lewis acid is selected from one of aluminium chloride, boron tribromide and zinc chloride, and the methylating agent is dimethyl sulfate. The chemical synthesis method is adopted to prepare fibrauretin, thus the plant resource can be saved and the ecological environment can be protected; and berberine hydrochloride is used as the raw material, the raw material is cheap and easily available, the reaction steps of the synthetic route are short and the operations are simple, thus the cost can be saved and the method is suitable for industrial production.
Owner:NORTHEAST PHARMA GRP

Method for determining decumbent corydalis tuber total alkaloid extractive content with UFLC and method for establishing UFLC finger print thereof

The invention relates to determination of alkaloid content in decumbent corydalis tuber total alkaloid extractive. The determination method comprises the following steps: (1) preparing a decumbent corydalis tuber total alkaloid extractive solution; (2) preparing a standard solution; (3) respectively sucking the extractive solution and the standard solution of an equal amount, and carrying out UFLC determination to obtain a UFLC chromatogram; and (4) analyzing chromatographic peaks of protopine, bicuculline, xiawuning alkaloid, corydaline harmine, tetrahydropalmatine and palmatine in the chromatogram, and calculating contents thereof by an external standard method. Besides, the invention also provides a method for establishing a UFLC finger print of decumbent corydalis tuber total alkaloidextractive. The determination method can quickly and accurately determine contents of six main alkaloids in decumbent corydalis tuber total alkaloid extractive, and the UFLC finger print of decumbentcorydalis tuber total alkaloid extractive can be used for the overall control on substance groups in decumbent corydalis tuber total alkaloid extractive, thereby controlling the quality of extractivefrom the macro analysis perspective.
Owner:SHANGHAI INST OF PHARMA IND

Method and device for enhancing dissolution rate of effective components in coptis chinensis by electron beam irradiation

The invention relates to a method and a device for enhancing the dissolution rate of effective components in coptis chinensis, particularly to a method and a device for enhancing the dissolution rate of effective components in coptis chinensis by electron beam irradiation. The invention can solve the problem that existing traditional Chinese medicine extraction methods cannot have the characteristics of high effective component dissolution rate, high purity, low cost and suitability for industrial production at the same time. According to the method, electron beams are employed to irradiate the coptis chinensis medicinal material. The device for realizing the method of enhancing the dissolution rate of effective components in coptis chinensis by electron beam irradiation comprises an electron accelerator scanning box, an aluminum plate, a heat conduction instrument, a beam receiving plate, an insulation material body, cooling fans and a beam integrator. By adopting the method provided by the invention, the dissolution rate of berberine in the effective components is increased by 5%-10% compared with a blank sample not subjected to electron beam irradiation, the dissolution rate of palmatine is increased by 4.5%-11% compared with the blank sample not subjected to electron beam irradiation, and electron beam irradiation on the coptis chinensis medicinal material has no significant influence on chemical components. The method and the device can be used for extraction of effective components in coptis chinensis.
Owner:TECHN PHYSICS INST HEILONGJIANG ACADOF SCI

Method for detecting palmatine and berberine in Chinese patent medicine

The invention discloses a method for detecting palmatine and berberine in Chinese patent medicine and relates to the field of pharmaceutical analysis. The adopted principle is that active ingredient berberine and bamatine isoquinoline alkaloids have no fluorescence, and cucurbituril [7] (CB [7]) itself has no fluorescence; and however, the CB [7] can form a stable inclusion compound with the berberine and bamatine, and can allow the fluorescence sensitivity of the berberine and bamatine without fluorescence to be greatly increased and the fluorescence of a solution to be obviously enhanced. With the help of good separation ability of capillary electrophoresis, the inclusion compound formed by the berberine and bamatine and the CB [7] can also realize good separation without being influenced by other substances; and the method has good selectivity and is higher in sensitivity than an ultraviolet detection method by two orders of magnitude. The capillary electrophoresis / fluorescence analysis detection method has high sensitivity, good selectivity and strong anti-interference ability; compared with the existing capillary electrophoresis / ultraviolet analysis detection method, the method is higher by two orders of magnitude; and the method can also be used for analysis determination of the palmatine and berberine in biological samples.
Owner:SHANXI UNIV OF CHINESE MEDICINE

Palmatine ophthalmic gel and preparation method thereof

The invention relates to palmatine ophthalmic gel and a preparation method thereof. The method comprises the following steps: adding water for injection into a matrix and an antioxidant in a formula dosage, mixing, swelling or dissolving; adding a pH regulator for uniformly stirring, thereby obtaining a matrix liquid; weighing palmatine according to the formula dosage, adding the water for injection for dissolving, adding a preservative and an isoosmotic adjusting agent, uniformly mixing, adding the mixture into the matrix liquid, adding the water for injection to 1L, uniformly shaking, filtering by virtue of a micro-aperture filter membrane, sterilizing, and split charging, thereby obtaining the product. The gel comprises the following components: 0.5-30g of palmatine, 0.1-30g of a matrix, 0.1-20g of a pH regulator, 1-100g of an isoosmotic adjusting agent, 0.01-8g of a preservative and 0.02-5g of an antioxidant. Compared with palmatine liquid type eye drops, the product disclosed by the invention has certain advantages in the dosage form, the administration frequency can be reduced, loss of the medicine in the eyes is avoided, and the effect of the medicine for treating conjunctivitis and keratitis can be obviously improved.
Owner:昆明振华制药厂有限公司

Anti-acetylcholinesterase active composition in Chinese mahonia stem, and screening method and application of anti-acetylcholinesterase active composition

The invention provides an anti-acetylcholinesterase active composition in Chinese mahonia stem, and a screening method and application of the anti-acetylcholinesterase active composition. The composition is prepared from columbamine, jateorhizine, palmatine and berberine. According to the anti-acetylcholinesterase active composition, the traditional Chinese medicine Chinese mahonia stem is taken as a study object, based on an affinity chromatography principle, an immobilized enzyme technology is combined, an acetylcholinesterase reactor is prepared, an active compound fishing platform is constructed, four active components for anti-acetylcholinesterase are successfully screened and identified, an effective screening method for discovery of extracting anti-acetylcholinesterase active substances from the Chinese mahonia stem, when the compounds columbamine and jateorhizine are fixed, other compounds are correspondingly added to be mixed with the columbamine and the jateorhizine, when theconcentration of the columbamine or the jateorhizine is below IC60 or IC70, the obvious synthesis or summation effect occurs, according to the research, the compound components developing the anti-AChE activity in the Chinese mahonia stem extraction are discovered and identified for the first time, the combination with synthesis or summation is obtained, and the combination can be assuredly developed to a potential anti-AChE inhibitor.
Owner:SHENZHEN INST FOR DRUG CONTROL SHENZHEN TESTING CENT OF MEDICAL DEVICES

Extraction method and detection method for berberine and palmatine in cortex phellodendri chinensis

InactiveCN103149292ATransgender doesn't happenNo damageComponent separationFiltrationMass ratio
The invention discloses an extraction method and a detection method for berberine and palmatine in cortex phellodendri chinensis. The extraction method comprises the following steps: crushing dried cortex phellodendri chinensis and carrying out sieving with a 60-mesh to 80-mesh sieve; adding obtained powder in to a solvent according to a solid-liquid mass ratio of 1:10 to 1: 50; soaking the powder for 24 h at a normal temperature after mixing and sealing; placing an obtained mixture in a high pressure vessel and applying a pressure of 100 to 500 MPa at a temperature of 20 to 60 DEG C for extraction, with holdup time being 1 to 5 min; and centrifuging an extractive after pressure relief, taking a supernatant and carrying out filtration so as to obtain an extract of cortex phellodendri chinensis; wherein the solvent is selected from the group consisting of water, ethanol with a concentration of 10 to 90%, methanol with a concentration of 70% and acetone with a concentration of 70%. The supernatant is subjected to HPLC quantitative analysis so as to realize detection. According to the invention, structural changes and loss and reduction in physiological activity of an effective constituent caused by heat effects are avoided, extraction time is short and consumes a small amount of energy, and the detection method is simple, accurate and rapid and has high compactness and good repeatability.
Owner:SUZHOU UNIV

HPLC measurement method for content of multi-index components in rhizoma corydalis pain relieving drop pills

InactiveCN105467039ARealize multi-index quality evaluationQuality improvementComponent separationPharmacy medicineTetrahydropalmatine
The invention discloses an HPLC measurement method for content of multi-index components in rhizoma corydalis pain relieving drop pills. A high performance liquid chromatography (HPLC) method is adopted; a mixed contrast solution is used as a contrast, and tetrahydropalmatine is used as a reference; meanwhile, 7 main components, including protopine, palmatine, dehydro-corydaline, tetrahydropalmatine, corydaline, imperatorin and isoimperatorin, in the rhizoma corydalis pain relieving drop pills are measured simultaneously. According to the method, QAMS is realized; measurement of multiple components is realized by adopting relative correction factors among the components; the quality of the multiple components of a traditional Chinese medicine is controlled, thus realizing evaluation on quality of multiple indexes of the rhizoma corydalis pain relieving drop pills. The method is easy and convenient to operate, and quick; the detection cost and time are greatly reduced; the working efficiency and the practicability of the method are improved; the quality of traditional Chinese medicinal products can be controlled more effectively, comprehensively and accurately; stability and uniformity of the product quality are guaranteed, so that the aim of safe and effective taking of the product is fulfilled.
Owner:GANSU LONGSHENRONGFA PHARMACEUTICAL INDUSTRY CO LTD
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