Composition for treating asthma and preparing process thereof
A composition and asthma technology, applied in the field of medicine, can solve problems such as poor quality controllability, large dosage, and mixing of inactive substances, and achieve the effect of easy quality control and reduced dosage
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0021] Preparation of volatile oil of Schisandra chinensis: 168g of schisandra chinensis was crushed into 10-mesh powder, added 8 times of water, soaked to the heart, extracted by steam distillation for 4 hours, and volatile oil of schisandra chinensis was obtained. Preparation of total acid of Schisandra chinensis: Suction filtration of the water extract obtained after extracting volatile oil from 168g of Schisandra chinensis, collecting the filtrate, adding 8 times of water to the filter residue, decocting and extracting for 1 hour, suction filtration, combining two filtrates, and concentrating under reduced pressure at 60°C to relative The density is 0.10, exchange on HZ201 strong basic anion exchange column, the flow rate is 1 ~ 2BV / h, wash with deionized water until neutral after exchange, discard the deionized water eluate, and elute with 0.5M hydrochloric acid 70% ethanol solution , flow rate 1-2BV / h, 12 BV elution, collect eluate, concentrate under reduced pressure, eva...
Embodiment 2
[0024] Preparation of volatile oil of Schisandra chinensis: 168g of schisandra chinensis was crushed into 5-mesh powder, added 10 times of water, soaked to the heart, extracted by steam distillation for 6 hours, and volatile oil of schisandra chinensis was obtained. Preparation of total acid of Schisandra chinensis: Suction filtration of the water extract obtained after extracting volatile oil from 168g of Schisandra chinensis, collecting the filtrate, adding 5 times water to the filter residue, decocting for 1 hour, suction filtration, combining the two filtrates, and concentrating under reduced pressure at 60°C to relative The density is 0.10, exchange on HZ201 strong basic anion exchange column, the flow rate is 1 ~ 2BV / h, wash with deionized water until neutral after exchange, discard the deionized water eluate, and elute with 0.5M hydrochloric acid 70% ethanol solution , flow rate 1-2BV / h, 12 BV elution, collect eluate, concentrate under reduced pressure, evaporate at 60°C...
Embodiment 3
[0027] Preparation of volatile oil of Schisandra chinensis: 168g of schisandra chinensis was crushed into 20 mesh powder, added 5 times of water, soaked to the heart, extracted by steam distillation for 3 hours, and volatile oil of schisandra chinensis was obtained. Preparation of total acid of Schisandra chinensis: Suction filtration of the water extract obtained after extracting volatile oil from 168g of Schisandra chinensis, collecting the filtrate, adding 10 times water to the filter residue, decocting and extracting for 1 hour, suction filtration, combining two filtrates, and concentrating under reduced pressure at 60°C to relative The density is 0.10, exchange on HZ201 strong basic anion exchange column, the flow rate is 1 ~ 2BV / h, wash with deionized water until neutral after exchange, discard the deionized water eluate, and elute with 0.5M hydrochloric acid 70% ethanol solution , flow rate 1-2BV / h, 12 BV elution, collect eluate, concentrate under reduced pressure, evapo...
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