Plant extract used for preparing medicine for treating asthma and application thereof
A plant extract and extract technology, applied in the direction of drug combination, plant raw materials, medical preparations containing active ingredients, etc., can solve the problem that the curative effect of the original prescription has not been fully exerted, the extraction and refining process is backward, and the effective ingredients are not clear and other problems, to achieve the effect of retaining active ingredients, highly targeted treatment, and remarkable curative effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0043] Respectively crush Rhododendron aurantii and Aodi tea into 20 mesh coarse powder.
[0044] Use 60% ethanol to reflux extract 7 kg of crushed Rhododendron viola powder and further purify it with macroporous adsorption resin, add 60% ethanol 8 times, extract 3 times, each time for 0.5 hours; concentrate the extract to dry extract, add dry extract Dissolve 12 times the amount of ethanol in the ointment, filter, repeat 3 times, concentrate the filtrate to dryness, add 5 times the amount of water to dissolve, apply macroporous adsorption resin, elute with water 13 times the volume of the resin bed, discard the washing solution, and then use Elute with 20% ethanol 8 times the volume of the resin bed, discard the 20% ethanol eluate, and finally elute with 30% ethanol 10 times the volume of the resin bed, collect the 30% ethanol eluate, evaporate the ethanol, and dry under reduced pressure instant;
[0045] Extract 3 kg of Aodicha powder with 60% ethanol under reflux and furth...
Embodiment 2
[0049] Respectively crush Rhododendron aurantii and Aodi tea into 20 mesh coarse powder.
[0050] Extract 6 kg of crushed rhododendron powder with 70% ethanol under reflux and further purify with macroporous adsorption resin, add 75% ethanol 10 times, extract 3 times, 0.5 hours each time; concentrate the extract to dry extract, add dry extract Dissolve 7 times the volume of the ointment in ethanol, filter, repeat 2 times, concentrate the filtrate to dryness, add 5 times the volume of water to dissolve, apply macroporous adsorption resin, elute with water 9 times the volume of the resin bed, discard the washing solution, and then use Elute with 10% ethanol 9 times the volume of the resin bed, discard the 10% ethanol eluate, and finally elute with 35% ethanol 11 times the volume of the resin bed, collect the 35% ethanol eluate, evaporate the ethanol, and dry under reduced pressure instant;
[0051] Extract 4kg of Aodicha powder with 70% ethanol under reflux and further refine t...
Embodiment 3
[0055] Respectively crush Rhododendron aurantii and Aodi tea into 20 mesh coarse powder.
[0056] Extract 2 kg of crushed Rhododendron viola powder with 80% ethanol under reflux and further purify it with macroporous adsorption resin, add 75% ethanol 8 to 10 times, extract twice for 1.5 hours each time; concentrate the extract to dry extract, add Dissolve 8 times the amount of dry extract in ethanol, filter, repeat 4 times, concentrate the filtrate to dryness, add 10 times the amount of water to dissolve, apply macroporous adsorption resin, elute with water 7 times the volume of the resin bed, discard the washing solution, Then elute with 5% ethanol of 13 times the volume of the resin bed, discard the 5% ethanol eluate, and finally elute with 25% ethanol of 10 times the volume of the resin bed, collect the 25% ethanol eluate, evaporate the ethanol to the fullest, reduce pressed to dry;
[0057] Extract 8 kg of Aodicha powder with 80% ethanol under reflux and further refine th...
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