Chinese medicine granular containing notoginseng extract and preparation method thereof
A technology of traditional Chinese medicine granules and extracts, which is applied to medical preparations containing active ingredients, pharmaceutical formulas, drug combinations, etc., can solve problems such as lack of immediate release characteristics, low drug loading of granules, and unsightly appearance, and achieve physical Good properties, small specific surface area, regular particle size distribution
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0049] The preparation of active ingredient of the present invention: get astragalus 860.5g (65.6%), salvia miltiorrhiza 210.3g (16.1%), notoginseng 30.5g (2.7%), radish 20.6g (15.6%); , water decoction 2 times, add 7 times the amount of water each time, 2 hours each time, combine the decoction liquid, filter, concentrate the filtrate to 900ml, add 95% ethanol to make the alcohol concentration reach 70%, let it stand for 12-24 hours, filter, recover ethanol, and concentrate into an extract with a relative density of 1.32-1.38 (50-60°C); decoct the crushed Astragalus membranaceus with water twice, add 6 times the amount of water each time, and extract for 2 hours in sequence , 1 hour, combine the filtrate, when concentrated to about 1500ml, add 95% ethanol to make the alcohol concentration 60%, let stand for 12 to 24 hours, filter, reclaim the ethanol from the filtrate, when concentrated to about 400ml, add 95% ethanol to make the alcohol The concentration is 80%, let it stand ...
Embodiment 2
[0053] Preparation of the active ingredient of the present invention: get 400.6g (30.0%) of Radix Astragali, 440.8g (33.1%) of Salvia Miltiorrhiza, 110.2g (8.3%) of Radix Notoginseng, 380.6g (28.6%) of Radix Dalbergia, and prepare the cost according to the method of Example 1. Invention of active ingredients;
[0054] Preparation of masterbatch: Take a mixture of micropowder silica gel and chitosan with a weight ratio of 1:1 to pass through a 200-mesh sieve, 65% of which is used as a base material and put into the side spray pot of the fluidized bed, and another PVP K30 is added with water, extract, and prepared Adhesive forming agent-spray in as slurry, and sieve out small particles with a particle size of 120-180μ as the mother nucleus, then put the mother nucleus into the pot, continue to spray starch slurry, and at the same time, spray the remaining 35% from the powder gun The fine powder of micronized silica gel and chitosan is sprinkled in to make the particle size of th...
Embodiment 3
[0057] Preparation of the active ingredient of the present invention: take 770.3g (57.1%) of Radix Astragali, 220.8g (16.8%) of Salvia Miltiorrhiza, 40.8g (3.6%) of Radix Notoginseng, 300.5g (22.5%) of Dalbergia, and prepare the cost according to the method of Example 1. Invention of active ingredients;
[0058] Preparation of masterbatch: take a mixture of dextrin and starch with a weight ratio of 1:1 and pass through a 200-mesh sieve, 65% of which is put into the side spray pot of the fluidized bed as the bottom material, and starch and extract (after being folded and dried to account for the mother batch) 15% of the grain weight) and water to make a slurry and spray it in, and sieve out small particles (180-250μ) as the mother nucleus, then put the mother nucleus into the pot, continue to spray the starch slurry, and at the same time, spray it from the powder gun Sprinkle the remaining 35% dextrin and starch fine powder to make the particle size of the mother core grow, and...
PUM
Property | Measurement | Unit |
---|---|---|
particle diameter | aaaaa | aaaaa |
particle diameter | aaaaa | aaaaa |
particle diameter | aaaaa | aaaaa |
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