Composition for curing skin pruritus and preparation method thereof and quality control method
A quality control method and technology for skin pruritus, applied in skin diseases, drug combinations, medical preparations containing active ingredients, etc., can solve the problem of insignificant curative effect, and achieve stable pharmacological effects, good identification specificity, and good efficacy. Effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
experiment example 1
[0049] Experimental Example 1 Pharmacological Test
[0050] Drug group I of the present invention Fructus Xanthii (stir-fried, pricked) 190g, Tribulus terrestris 180g, Rhizoma Chuanxiong 190g, peach kernel 180g, Baiying 100g;
[0051] Drug group II of the present invention Cocklebur (stir-fried, pricked) 290g Kochia chinensis 250g Chuanxiong 240g safflower 120g Baiying 70g
[0052] Drug group III of the present invention Cocklebur (stir-fried, pricked) 270g Kochia scoparia 220g Chuanxiong 250g safflower 130g Baiying 70g
[0053] Drug group IV of the present invention Cocklebur (stir-fried, pricked) 200g Kochia chinensis 200g Chuanxiong 200g Safflower 200g Baiying 100g
[0054] Positive control group Commercially available Xiaofeng Zhiyang Granules
[0055] According to the prescription of above four groups of medicine of the present invention, be prepared into granule, compare the antipruritic and blood promoting effect between each group, determine the reliability of the cu...
experiment example 2
[0069] Experimental example 2 content determination experiment
[0070] Through a large number of experimental studies, it is determined to adopt high performance liquid chromatography to measure the content of ferulic acid in the medicine of the present invention, so as to improve the quality detection method of the medicine of the present invention. Some test results are as follows:
[0071] 1. Preparation of the test solution
[0072] ① Selection of extraction solvent
[0073] Take an appropriate amount of the pharmaceutical composition granule of the present invention, grind it finely, accurately weigh about 3g respectively, put in a stoppered conical bottle, accurately add 25ml of methanol-formic acid mixed solution in different mixing ratios, weigh, and ultrasonically process (power 250W, frequency 40KHZ) for 30 minutes, let it cool, make up the lost weight, compare the content of ferulic acid in different proportions of solvents after extraction for the same time, the...
experiment example 3
[0100] Experimental example 3 Identification experiment
[0101] 1) TLC identification of Rhizoma Chuanxiong
[0102] ① Preparation of the test solution
[0103] a, the selection of extraction solvent gets 18g altogether 4 parts of pharmaceutical granule of the present invention, respectively adds 50% ethanol, 75% ethanol, 95% ethanol, each 50ml of absolute ethanol, ultrasonic treatment 30 minutes, filter, filtrate evaporates to dryness, residue adds Dissolve in 2ml of absolute ethanol as the test solution. Compare different test product solutions on the fluorescent spot color development effect on the thin-layer plate, the results are shown in the following table:
[0104] extraction solvent
50% ethanol
75% ethanol
95% ethanol
Absolute ethanol
spot color effect
The fruit is very poor, there is
interference
spot color effect
poor fruit, dry
disturb
spot color effect
poor, disturbing
...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com