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Method for extracting 1,8-cineole essential oil from wormwood leaves

A technology of eucalyptol and volatile oil, which is applied in the field of extracting active ingredients of wormwood, can solve the problems not mentioned, and achieve the effects of promoting excretion, great clinical significance, and delaying drug resistance

Active Publication Date: 2016-12-07
云南玉滢宏家生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Natural products exist in more than 270 kinds of natural essential oils such as eucalyptus oil, which are mostly used in cough drops and peppermint. 1,8-cineole volatile oil is a specific component of volatile oil in mugwort leaves, and the volatile oil described above is currently extracted None of the methods mentioned the extraction method of 1,8-cineole volatile oil

Method used

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  • Method for extracting 1,8-cineole essential oil from wormwood leaves
  • Method for extracting 1,8-cineole essential oil from wormwood leaves

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Example 1 Method 1 for extracting 1,8-cineole volatile oil from Artemisia argyi

[0019] 1. Pretreatment: Wash the leaves of wormwood without infestation by diseases and insect pests, remove surface moisture, dry in the shade at 20-25°C, and crush or cut the leaves into small pieces to obtain the raw material of wormwood leaves, which are set aside.

[0020] 2. Extraction of 1,8-cineole volatile oil:

[0021] A. Put the raw material of Artemisia argyi leaves and 7 times of water into the percolator. The percolation time is 7-10 days. Take the percolation liquid and remove the waste residue.

[0022] B. Put the percolation liquid into the distiller, add leucine, the weight ratio of leucine:artemisia argyi leaves is 1:2; heat to 70°C, distill and extract for 70-90min to obtain an oil-water mixture.

[0023] C store the obtained oil-water mixture in a stainless steel container, filter through a 400-mesh sieve and let it stand for stratification for 24 hours.

[0024] D S...

Embodiment 2

[0025] Example 2 Extraction of 1,8-cineole volatile oil from Artemisia argyi leaves Method 2

[0026] 1. Pretreatment: Wash the leaves of wormwood without infestation by diseases and insect pests, remove surface moisture, dry in the shade at 20-25°C, and crush or cut the leaves into small pieces to obtain the raw material of wormwood leaves, which are set aside.

[0027] 2. Extraction of 1,8-cineole volatile oil:

[0028] A. Add the raw material of Artemisia argyi leaves and 10 times of water into the percolation device, and the percolation time is 7-10 days. Take the percolation liquid and remove the waste residue.

[0029] B. Put the percolation liquid into the distiller, add leucine, the weight ratio of leucine:artemisia argyi leaves is 1:10; heat: 75°C, distill and extract for 70-90min to obtain an oil-water mixture.

[0030] C store the obtained oil-water mixture in a stainless steel container, filter through a 400-mesh sieve and let it stand for stratification for 24 ho...

Embodiment 3

[0032] Example 3 Extraction of 1,8-cineole volatile oil from Artemisia argyi leaves Method 3

[0033] 1. Pretreatment: Wash the leaves of wormwood without infestation by diseases and insect pests, remove surface moisture, dry in the shade at 20-25°C, and crush or cut the leaves into small pieces to obtain the raw material of wormwood leaves, which are set aside.

[0034] 2. Extraction of 1,8-cineole volatile oil:

[0035] A. Put the raw material of Artemisia argyi leaves and 9 times of water into the percolator. The percolation time is 7-10 days. Take the percolation liquid and remove the waste residue.

[0036]B. Put the percolation liquid into the distiller, add glycerin, the weight ratio of glycerin to Artemisia argyi is 1:2; heat to 70°C, distill and extract for 70-90min to obtain an oil-water mixture.

[0037] C store the obtained oil-water mixture in a stainless steel container, filter through a 400-mesh sieve and let it stand for stratification for 24 hours.

[0038] ...

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Abstract

The invention discloses a method for extracting 1,8-cineole essential oil from wormwood leaves. The method comprises the following steps that pretreatment is carried out, wherein wormwood leaves free of infection of diseases and pests are washed clean, surface moisture is removed, the wormwood leaves are dried in the shade indoors at 20-25 DEG C and then smashed or cut into small sections, and wormwood leaf raw materials are obtained; 1,8-cineole essential oil is extracted, wherein firstly, the wormwood leaf raw materials and 7-10-fold water are added into a percolator for percolation extraction, percolation liquid is taken, and waste residues are removed; secondly, the percolation liquid is added into a distiller, an extraction auxiliary is added, the mixture is heated to 70-75 DEG C, distillation extraction is carried out for 70-90 min, and an oil and water mixture is obtained; thirdly, the obtained oil and water mixture is stored in a stainless steel container, and standing is carried out for 24 h for layering; fourthly, separation and purification are carried out, and then the 1,8-cineole essential oil is obtained.

Description

technical field [0001] The invention belongs to the technical field of medicinal liquid extraction, and in particular relates to a method for extracting effective components of wormwood. Background technique [0002] Wormwood (Artemisia argyi H. Lév. & Vaniot), aliases: Xiao Mao, Bingtai, Containing Grass, Fragrant Artemisia, Chia, Ai Xiao, Mugwort, Mugwort, Penggao, Moxa, Moxibustion Herb, Medical Herb, Yellow grass ﹑ moxa and so on. Herbs perennial or slightly subshrub-like. Modern pharmacology has found that Artemisia argyi leaves contain a lot of volatile oil, 1,8-cineole (accounting for more than 50%), and others include α-thujone, sesquiterpene alcohols and their esters. Air-dried leaves contain 10.13% minerals, 2.59% fat, 25.85% protein, and vitamins A, B1, B2, C, etc. The whole herb is used as medicine, which has the effects of warming the meridians, removing dampness, dispelling cold, hemostasis, anti-inflammatory, relieving asthma, relieving cough, preventing mi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D493/08A61K31/35A61P11/14
CPCA61K36/282C07D493/08
Inventor 莫明鑫邓小健
Owner 云南玉滢宏家生物科技有限公司
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