Cordate houttuynia preparation taken through nose
A technology for Houttuynia cordata and fresh Houttuynia cordata is applied in the field of nasal preparations of Houttuynia cordata and its production process, which can solve the problems that patients with nasal inflammation cannot be used conveniently, are not suitable for treating rhinitis, sinusitis, trouble to open, etc. It is not easy to contaminate bacteria and deteriorate, the effective ingredients are clear, and the production cost is low.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0024] Embodiment 1: get fresh houttuynia cordata 2000g, add water 20000ml, water steam initial distillation, obtain initial distillate 1000ml; Initial distillate adds water for injection 1000ml to carry out redistillation again, collects fresh houttuynia cordata distillate 1000ml of redistillation, detects The content of methyl n-nonanone, the main component in the fresh Houttuynia cordata distillate, is kept at 0.5-50 μg per milliliter, adding 17 g of sodium chloride, 2 g of polysorbate-80, 3 g of sodium bisulfite, and p-hydroxybenzoic acid Methyl ester 0.3g, propyl p-hydroxybenzoate 0.1g, mix well, add water for injection to 2000ml, adjust the pH value to 5.5 with sodium hydroxide, then filter with a 0.22μm filter membrane, and sterilize with flowing steam at 100°C After 30 minutes, aseptically dispense into nasal drop bottles or spray bottles.
Embodiment 2
[0025] Embodiment 2: get fresh houttuynia cordata 12000g, add water 240000ml, water steam initial distillation, get first distillate 1000ml, first distillate adds water for injection 1000ml to carry out redistillation again, collect the fresh houttuynia cordata distillate 1000ml of redistillation, detect The content of methyl n-nonanone, the main component in the fresh houttuynia cordata distillate, is kept at 0.5-50 μg per ml, and 17 g of sodium chloride, 10 g of polysorbate-80, 3.5 g of sodium bisulfite, and 0.4 g of thimerosal are added , mix well, add water for injection to 2000ml, and adjust the pH value to 6.5 with sodium hydroxide, then filter through a 0.65μm filter membrane, sterilize with circulating steam at 100°C for 30 minutes, and aseptically dispense it into nasal drop bottles or Available in a spray bottle.
Embodiment 3
[0026] Embodiment 3: Get 6000g of dried Houttuynia cordata, add water 90000ml, steam initial distillation, obtain first distillate 1000ml, first distillate adds water for injection 1000ml to carry out redistillation, collects the dried houttuynia cordata distillate 1000ml of redistillation, detects The content of methyl n-nonanone, the main component in the dried Houttuynia cordata distillate, was kept at 0.5-50 μg per ml, and 18 g of sodium chloride, 7.5 g of polysorbate-807.5 g, 4.0 g of sodium bisulfite, and p-hydroxybenzene were added. Ethyl formate 2.0g, mix well, add water for injection to 2000ml, and adjust the pH value to 6.0 with sodium citrate, then sterilize and filter with a 0.22μm filter membrane, sterilize with steam at 100°C for 30 minutes, sterile Dispensed in a nasal drop bottle or a spray bottle.
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