Method of extracting eucalyptus and bamboo wood flavonoid
An extraction method and technology of flavonoids, which is applied in the field of extraction of flavonoids, can solve the problems of little knowledge and achieve the effects of easy operation, good controllability, and increased added value
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0021] A method for extracting eucalyptus and bamboo flavonoids, the preparation steps comprising:
[0022] (1), using ethyl acetate solvent and ultrasonic wave to extract the extract from the bamboo slices, the extraction temperature is 100°C, then evaporate and recover the solvent at a temperature of 100°C and 0MPa vacuum to obtain the bamboo extract;
[0023] (2), dissolving the bamboo extract with methanol at 60° C. to obtain a methanol extract solution;
[0024] (3), adding pH to the methanol extract solution is a saturated solution of lead acetate water of 6.0, until no precipitation, filtering to obtain the filtrate, and then adding a saturated solution of lead acetate with a pH of 7.5 in the filtrate, adding alkaline The substance is sodium hydroxide, and the addition amount is 0.01% (mass ratio), until there is no precipitate, the precipitate is obtained by filtration, and then the precipitate is dissolved with ethanol to obtain an ethanol solution;
[0025] (4), add...
Embodiment 2
[0028] A method for extracting eucalyptus and bamboo flavonoids, the preparation steps comprising:
[0029] (1), use acetic acid solvent, adopt microwave to extract extract from bamboo shavings, extraction temperature is 0 ℃, then evaporate at 5 ℃ temperature, 0MPa vacuum, recover solvent, obtain bamboo wood extract;
[0030] (2), dissolving the bamboo extract with methanol at 10°C to obtain a methanol extract solution;
[0031] (3), adding pH to the methanol extract solution is a saturated solution of lead acetate water of 7.5, until no precipitation, filtering to obtain the filtrate, and then adding a saturated solution of lead acetate with a pH of 7.5 in the filtrate, adding alkaline The substance is potassium hydroxide, and the addition amount is 0.01% (mass ratio), until there is no precipitate, the precipitate is obtained by filtration, and then the precipitate is dissolved with ethanol to obtain an ethanol solution;
[0032] (4), add potassium sulfate in the ethanol so...
Embodiment 3
[0035] A method for extracting eucalyptus and bamboo flavonoids, the preparation steps comprising:
[0036] (1), using ethanol solvent to extract the extract from bamboo fiber, the extraction temperature is 100°C, then evaporate and recover the solvent at 100°C temperature and 0.99MPa vacuum to obtain the bamboo extract;
[0037] (2), dissolving the bamboo extract with methanol at 60° C. to obtain a methanol extract solution;
[0038] (3), adding pH in the methanol extract solution is the lead acetate water-saturated solution between 6.5, until no precipitation, filters to obtain the filtrate, then adds the lead acetate water-saturated solution between 6.0 in the filtrate , adding an alkaline substance is potassium carbonate, and the addition amount is 5% (mass ratio), until no precipitation is obtained, the precipitation is obtained by filtration, and then the precipitation is dissolved with ethanol to obtain an ethanol solution;
[0039] (4), add sodium sulfate, potassium s...
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