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122 results about "Pharmacological Substance" patented technology

Pharmacology is the study of how substances interact with living organisms to produce a change in function. If substances have medicinal properties, they are considered pharmaceuticals. The field encompasses drug composition and properties, interactions, toxicology, therapy, and medical applications and antipathogenic capabilities.

Method for evaluating chemical composition of Rosa xanthina on basis of antithrombotic spectrum-effect relationship

ActiveCN108195989AComprehensive and accurate spectrum effect basisClear chemical compositionComponent separationMathematical modelSeparation technology
The invention discloses a method for evaluating chemical composition of Rosa xanthina on the basis of antithrombotic spectrum-effect relationship. The method comprises the following steps: preparing extract of different polar components of the Rosa xanthina with a modern separation technology; establishing fingerprint of extract of each component with high-performance liquid chromatography, and calibrating characteristic peaks; evaluating antithrombotic activity of different extract on the basis of platelet aggregation inhibition rate, prothrombin time, thrombin time and activated partial thromboplastin time as indexes; substituting fingerprint characteristic peak data and pharmacodynamical activity data into a mathematical model for spectrum-effect correlation analysis, and evaluating pharmacodynamical activity of the characteristic peaks. With adoption of the method for evaluating the chemical composition of the Rosa xanthina on the basis of the antithrombotic spectrum-effect relationship, the antithrombotic chemical composition in the Rosa xanthina can be evaluated rapidly and accurately, a scientific and effective method is provided for research of pharmacodynamic material basis and quality control of the Rosa xanthina, and reference is provided for further development of Rosa xanthina drugs or health care products for treating thrombotic diseases.
Owner:山西省医药与生命科学研究院

R language-based optimal extraction technology for extracting saponin and total flavonoids in liquorice

The invention discloses an R language-based optimal extraction technology for extracting saponin and total flavonoids in liquorice. A central composite design experiment in a response surface method is adopted, the saponin content and flavone content in liquorice are used as detection indexes, and an entropy weight method in an R language environment is adopted for weight assignment of the two indexes, a BP neural network and genetic algorithm mathematical model is established, and target optimizing is performed for the extraction technology to obtain an optimal extraction technology. The optimal extraction conditions are as follows: the ammonia concentration is 0.62%, the ethanol concentration is 64%, the reflux time is 1.8h, and the liquid-solid ratio is 12:1. Relative error between the comprehensive evaluation predicted value of the model and the average comprehensive evaluation value of a verification experiment is 1.43%, proving relatively good predictability of the neutral network and genetic algorithm. In the invention, the established mathematical model searching for the optimal extraction conditions for extracting saponin and total flavonoids in liquorice is scientific and feasible, and new reference and idea are provided for optimizing multiple targets of the chemical components and even effective substance basis of traditional Chinese medicine.
Owner:ZHEJIANG CHINESE MEDICAL UNIVERSITY

Preparation method for Chuzhou chrysanthemum extract powder

The invention provides a preparation method for Chuzhou chrysanthemum extract powder according to the characteristics of effective constituents contained in Chuzhou chrysanthemum, and the preparation method aims at a plurality of effective constituents of the Chuzhou chrysanthemum. A rotary evaporator is adopted to perform double extraction on the Chuzhou chrysanthemum, extracts of volatile oil and acetic acid are obtained, and then decoction dregs are added into ethanol water to perform extraction again with ultrasonic. Beta-cyclodextrin wrapping is performed on the volatile oil to obtain wrappage. Acid extract solution is concentrated, alcohol extract solution is concentrated after alcohol is recovered, two concentrated solutions are merged, and freeze-dried powder is obtained after the two concentrated solutions are frozen and dried. Eventually, the wrappage and the freeze-dried powder are porphyrized and mixed to obtain the Chuzhou chrysanthemum extract powder. According to the preparation method for the Chuzhou chrysanthemum extract powder, the extract method is selected aiming at the characteristics of the plurality of effective constituents of the Chuzhou chrysanthemum, and each effective substance is retained to the maximum extent; extraction time is short, the temperature for the whole process is smaller than or equal to 80 DEG C, damage to efficacy material is avoided, and the preparation method is high in efficiency, time-saving and labor-saving; and the extract powder can be used in place of the Chuzhou chrysanthemum, and can also serve as raw material for production of medicine and health care products.
Owner:时维静 +1

Preparation method and quality detection method of bupleurum oral solution

The invention discloses a preparation method of a bupleurum oral solution. The components of the preparation only contain one medical material, namely bupleurum. During preparation, a flocculant is used to remove impurity particles in the liquid medicine and the clear liquid which is obtained through centrifugal filtration is used to prepare the product. The method changes the previous train of thought that the water extraction and alcohol precipitation technology is adopted to clarify the liquid medicine, thus the production cost can be saved, resources and the environment can be protected, the basic effective substance of the original prescription is kept, the problem of the traditional technology that when the water decoction is filtered and concentrated to directly prepare, the finished product is stored for a long time to generate a lot of precipitate and have low clarity degree can be improved, the production efficiency can be obviously increased, the production cost can be reduced, the production process can be simplified, the prepared bupleurum oral solution preparation has high content of the effective component and the curative effect is more remarkable. In addition, theinvention also provides a detection method for measuring the component content of the bupleurum oral solution on the existing quality standard basis of the bupleurum oral solution, thus the inherent quality of the preparation can be better controlled and the quality supervision and detection can be performed effectively.
Owner:GUANGDONG ZHONGSHENG PHARMA

Traditional Chinese medicine soft capsule auxiliary material with universality and method for preparing traditional Chinese medicine soft capsules

The invention relates to a traditional Chinese medicine soft capsule forming core technology with universality and a traditional Chinese medicine soft capsule forming core process with universality. The process consists of the following technologies: preparing the content and emulsifying, preparing a capsule wall material and melting, pressing and forming, and drying. The process comprises the following three aspects: 1, a mixed emulsifier used for the traditional Chinese medicine soft capsules and a preparation method thereof; 2, a capsule wall material formula used for the traditional Chinese medicine soft capsules and a preparation method thereof; and 3, technical parameters for pre-drying and final drying in the method for preparing the traditional Chinese medicine soft capsules. The application research proves that the application range of the traditional Chinese medicine soft capsules is widened; the specific gravity of the drug effect material is improved, and the amount of auxiliary materials is reduced; the drug stability is high, and phenomena of layering, leakage, deformation and transfer are avoided; the difference control level of the device is improved; and the disintegration time limit prolonging is effectively controlled.
Owner:山西黄河中医药研究所(有限公司)

Application of trollius chinensis bunge extract in preparation of drugs for treating virus diseases

The invention discloses application of a trollius chinensis bunge extract in preparation of drugs for treating virus diseases. The purity of the trollius chinensis bunge extract is as follows: the total flavonoid content of the trollius chinensis bunge extract is higher than 50%. The trollius chinensis bunge extract is extracted from plants, traditional Chinese medicinal materials and Chinese herbal pieces all containing the trollius chinensis bunge. The trollius chinensis bunge extract can be applied to preparation of drugs for treating influenza virus H1N1, drugs for treating respiratory syncytial virus (RSV), and drugs for inhibiting the activity of and treating adenovirus type 3 (Adv3). The trollius chinensis bunge extract can be mixed with a barrier or an excipient acceptable on medicine to prepare the clinically acceptable medicinal preparation. According to the invention, the efficacy material for treating virus diseases from the traditional Chinese medicine, namely the trollius chinensis bunge extract, is found out, so that the scientific basis is provided for the clinical application of the extract, and the trollius chinensis bunge extract can be used as a natural antiviral agent, and has the characteristics of no addiction and smallness in dosage.
Owner:CHENGDE TIANYUAN PHARMACEUTICAL INDUSTRY CO LTD

Method for evaluating quality of Herba Cirsii Setosi through quantitative analysis of multicomponents by single marker

InactiveCN109991327ASimplified Quantitative Assay MethodReduce testing costsComponent separationClinical efficacyActive component
The invention provides a method for evaluating quality of Herba Cirsii Setosi through quantitative analysis of multicomponents by a single marker. According to the method for evaluating the quality ofthe Herba Cirsii Setosi through the quantitative analysis of multicomponents by the single marker, firstly, a HPLC content determination method for four main medicinal components in the Herba CirsiiSetosi is established; rutin is used as an internal reference substance, relative correction factors of another three active components are calculated, and the system suitability and the method reproducibility of the relative correction factors are investigated; chromatographic peak positioning is carried out according to relative retention time, the relative correction factors are combined for calculating the content of all to-be-detected components, through the mutual verification of the quantitative analysis of multicomponents by the single marker and an external standard method, it is proved that no significant difference exists in determination results; the problems that reference substances are high in costs and are not easy to obtain are solved, the content of index components is calculated through the relative correction factors and the chromatographic peak positioning, and the simultaneous determination of multiple medicinal substances in the Herba Cirsii Setosi is realized; and the costs can be saved, the operation can be simplified, the efficiency is improved, the detection sensitivity is high, the stability is good, the determination results are exact and reliable, andthe method has great significance for ensuring the quality control and the clinical effects of the Herba Cirsii Setosi.
Owner:XIAN MEDICAL UNIV

Fingerprint spectrum construction method and application of Chinese herbal compound containing angelica sinensis

The invention discloses a detection method of a Chinese herbal compound containing angelica sinensis. The method comprises the following steps: taking a Chinese herbal compound test sample and reference substances for detection, wherein the Chinese herbal compound comprises angelica sinensis, cassia twig, licorice, white peony root, ginger and jujube; the reference substances are gallic acid, paeoniflorin, ferulic acid, liquiritin, ammonium glycyrrhizinate and 6-gingerol; and the chromatographic conditions of the detection are as follows: a C18 chromatographic column is adopted, methanol or acetonitrile is used as a mobile phase A, an acid aqueous solution is used as a mobile phase B, and a gradient elution procedure includes that 5%-12% A for 0-20 min is performed; 12%-85% A for 20-90 min is performed; a flow velocity is 0.8-1.2 mL/min; a column temperature is 25-40 DEG C; and a detection wavelength is 210-330 nm; and obtaining component information or component and content information of the Chinese herbal compound according to a detection result. According to the invention, the chemical components of the Chinese herbal compound containing the angelica sinensis are comprehensively and systematically analyzed by applying a high performance liquid chromatography technology, and a theoretical basis is provided for deep research on quality control and a pharmacodynamic material basis.
Owner:HUNAN YINENG BIOLOGICAL PHARMA

Method for evaluating quality of gnaphalium affine by quantitative-analysis-of-multi-components-by-single-marker (QAMS) method

ActiveCN109991328ASimplified Quantitative Assay MethodReduce testing costsComponent separationChlorogenic acidClinical efficacy
The invention discloses a method for evaluating the quality of gnaphalium affine by a quantitative-analysis-of-multi-components-by-single-marker (QAMS) method. The method comprises the steps as follows: firstly, an HPLC content determination method for four main medicinal components in the gnaphalium affine is established; chlorogenic acid is used as an internal reference substance; relative correction factors of other three active components are calculated; the system applicability and the method reproducibility of the relative correction factors are inspected; chromatographic peak positioning is performed according to relative retention time; the content of each component to be determined is calculated in combination with the relative correction factors; and content determination resultsare proved to have no obvious difference by virtue of mutual verification of the QAMS method and an external standard method. The method disclosed by the invention solves the problems that the reference substance is high in cost and difficult to obtain; by virtue of the relative correction factors and the chromatographic peak positioning, the content of index components is calculated; synchronousdetermination of various medicinal substances in the gnaphalium affine is realized, so that the cost can be reduced, the operation is simplified, and the efficiency is improved; the method is high indetection sensitivity and high in stability; the determination results are accurate and reliable; and the method has a great significance on the quality control of the gnaphalium affine and the guarantee of the clinical effects.
Owner:XIAN MEDICAL UNIV

Method for carrying out quality control on platycodon grandiflorum (traditional Chinese herb) based on bioactivity assay

The invention relates to a method for carrying out quality control on platycodon grandiflorum (a traditional Chinese herb) based on bioactivity assay, which effectively realizes the quality control on platycodon grandiflorum and ensures the safe and effective clinical application of platycodon grandiflorum. The method comprises the following steps: crushing platycodon grandiflorum, and carrying out ultrasonic extraction on the crushed platycodon grandiflorum by using ethanol so as to obtain a dry matter; carrying out multiple proportion diluting on the obtained dry matter into seven groups by using normal saline according to an initial concentration at an agent distance of 0.5, thereby obtaining samples; preparing the platycodon grandiflorum into working reference substances according to the sample steps; dissolving phenol red by using a sodium bicarbonate solution, then making a standard curve through taking the dose of the phenol red as a x-coordinate and taking an OD (optical density) value as a y-coordinate; taking animals as experimental objects, grouping the animals, carrying out drug administration respectively, and putting the animals subjected to drug administration to death; then taking tracheas of the animals and putting the tracheas into normal saline, centrifuging and then taking supernate, determining the OD value at a wavelength of 546 nm, and calculating and comparing the secreted phenol-red content of the tracheas according to the phenol-red standard curve; and with the phenol-red content as an index, carrying out potency calculation. The method disclosed by the invention is easy to operate, stable, reliable, accurate in test and good in quality control effect, and can provide new ideas and references for the quality control and quality evaluation of other traditional Chinese herbs with undefined pharmaceutical active substances.
Owner:HENAN UNIV OF CHINESE MEDICINE
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