Preparation method of acne-removing essence containing green tea extract
A technology of green tea extract and essence, which is applied to skin care preparations, drug combinations, pharmaceutical formulas and other directions, can solve problems such as difficulty in observing and grasping treatment depth, difficulty in controlling treatment, interfering with surgical vision, etc., and achieves good acne-removing effect. , Regulating oil secretion, good therapeutic effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0025] A preparation method of an acne-removing essence containing green tea extract, comprising the following steps:
[0026] Step 1: Take 2kg of green tea, crush it into coarse powder, remove volatile components by steam distillation, and obtain green tea residue, add ethanol with a volume concentration of 95% according to the ratio of material to liquid 1:5, and stir and extract at 50°C for 3 hours , take the supernatant by filtration, and repeat the extraction 2 times;
[0027] Step 2: Combine the supernatants obtained in the two times, concentrate under reduced pressure until there is no ethanol, and obtain the ethanol extract of green tea;
[0028] Step 3: Add 5 times the volume of deionized water to the green tea ethanol extract to make a suspension, add 1 times the volume of petroleum ether to the suspension, extract at room temperature for 3 hours, and subtract the petroleum ether after the layers After pressure concentration to remove petroleum ether, the green tea ...
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