Detection method of yupingfeng oral liquid
A technology of Yupingfeng oral liquid and quality control method, which is applied in the directions of measuring devices, instruments, scientific instruments, etc., can solve the problems that the quality of preparations cannot be controlled quickly and easily, the requirements for instruments and equipment are high, and the costs of consumables and reagents are high. The effect of identification time, strong specificity, and easy judgment
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0014] Below in conjunction with the examples, the present invention is further described, the following examples are illustrative, not limiting, and the protection scope of the present invention cannot be limited by the following examples.
[0015] A kind of quality control method of Yupingfeng oral liquid, the steps of its method are:
[0016] Identification of Radix Astragali and Fangfeng by Thin Layer Chromatography
[0017] ①Preparation of the test solution: Take 10 ml of Yupingfeng oral liquid sample, extract by shaking with water-saturated n-butanol 3 times, 20 ml each time, combine n-butanol solution, wash 3 times with ammonia test solution, each time 20 ml, evaporate the n-butanol solution to dryness, add 1 ml of methanol to the residue to dissolve, and use it as the test solution;
[0018] ② Preparation of reference substance solution: take astragaloside IV reference substance and 5- 0 - Take an appropriate amount of methyl visamidol glycoside reference substance, ...
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