Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Method for extracting carnosic acid from Rosmarinus officinalis

A carnosic acid and rosemary technology, applied in the separation/purification of carboxylic acid compounds, organic chemistry, etc., can solve the problem that the extraction process of carnosic acid is easily damaged, the product yield and quality are unstable, and the market adaptability is poor. and other problems, to achieve the effect of guaranteed purity, stable content and low production cost

Inactive Publication Date: 2019-11-19
吴俊
View PDF6 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a method for extracting carnosic acid from rosemary, so as to solve the single product obtained by the traditional carnosic acid extraction process, poor market adaptability and carnosic acid being easily damaged during the extraction process. Problems with damage, unstable product yield and quality

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for extracting carnosic acid from Rosmarinus officinalis

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] In the present embodiment, the method for extracting carnosic acid from rosemary comprises the steps:

[0029] 1) Take 1 kg of rosemary dry leaves (wherein the content of carnosic acid is 2.41%) and pulverize into rosemary leaf powder;

[0030] 2) Add 6 L of ethanol with a concentration of 85% to the rosemary leaf powder and extract in a slightly boiling state for 2 hours, filter while hot after extraction to obtain the first extract and the first filter residue, and continue to add volume to the first filter residue 85% ethanol that is 6 times the mass of the first filter residue is used for secondary extraction, and the second extraction is extracted in a slightly boiling state for 2 hours. After extraction, the second extract and the second filter residue are obtained by filtering while hot. The conditions of extraction obtained the third extract and the third filter residue, combined the first extract, the second extract and the third extract, concentrated to drynes...

Embodiment 2

[0035] Get rosemary dry leaves 10kg (wherein carnosic acid content 2.41%) is ground into rosemary leaf powder and carries out pilot test after, test condition is consistent with embodiment 1, finally obtains the first product, and the first product is all reprocessed into a second product.

Embodiment 3

[0037] Get rosemary dry leaf 100kg (wherein carnosic acid content 2.41%) is ground into rosemary leaf powder and carry out pilot test after, test condition is consistent with embodiment 1, finally obtains the first product, and the first product is all reprocessed into a second product.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
purityaaaaaaaaaa
purityaaaaaaaaaa
Login to View More

Abstract

The invention relates to a method for extracting carnosic acid from Rosmarinus officinalis. The method comprises: taking dried Rosmarinus officinalis leaves, and crushing into Rosmarinus officinalis leaf powder; adding an ethanol solution with a concentration of 75-85% to the Rosmarinus officinalis leaf powder, carrying out reflux extraction to obtain an extraction liquid, carrying out pressure reducing concentration on the extraction liquid until achieving a dry state, adding water, dissolving, carrying out centrifugation, and drying to obtain a first crude product; adding an ethanol solutionwith a concentration of 70-80% and a pH value of 3-4 to the first crude product, carrying out stirring dissolving, carrying out standing extraction, carrying out decolorizing and impurity removing onthe extraction liquid, and carrying out pressure reducing concentration until achieving a dry state to obtain a second crude product; adding a mixed organic solvent into the second crude product, carrying out stirring extraction, concentrating the extraction liquid, carrying out cooling standing to precipitate a crystal, and drying the crystal to obtain a first product; and re-crystallizing the first product to obtain a second product. According to the present invention, with the method, the processing degree of the process can be flexibly adjusted so as to obtain the products with differentpurities, carnosic acid can be effectively prevented from being damaged during the processing, and the process has characteristics of good repeatability, high ethanol recovery rate and low overall production cost, and is suitable for industrialized popularized production.

Description

technical field [0001] The invention relates to the field of natural active ingredient research, in particular to a method for extracting carnosic acid from rosemary. Background technique [0002] Carnosic acid is a phenolic diterpenoid compound, which was first found to exist in Salvia sage of the Lamiaceae family, and later found to be present in other Lamiaceae plants rosemary, clary sage and three Leaf sage, etc., because carnosic acid is an oil-soluble substance that is easily soluble in oil and insoluble in water, has high efficiency, safety, non-toxicity, and high temperature resistance, so carnosic acid has a wide range of applications in real life. Generally, it can be used in oil and fat-containing food, biomedicine, chemical industry, cosmetics and feed, etc., in addition to preventing or delaying the oxidation of oil or oil-containing food, improving food stability and prolonging storage time, that is, as meat and fish. In addition to flavoring agents, it also h...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C07C51/42C07C51/43C07C51/47C07C51/48C07C62/32
CPCC07C51/42C07C51/43C07C51/47C07C51/48C07C2603/26C07C62/32
Inventor 吴俊唐周孔廖金才何松恩黄进熊婷刘杰孟文杰万庆兵于海学盘雄廖国雄蒋悦石莎莎
Owner 吴俊
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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