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Method for extracting Chinese eaglewood essential oil

An extraction method, a technology of agarwood essential oil, which is applied in the direction of essential oil/fragrance, fat production, etc., can solve the problems of limiting the production efficiency of agarwood essential oil, achieve the effect of shortening the extraction time, reducing the extraction time, and improving the extraction rate

Active Publication Date: 2015-04-15
HAIKOU MIXIANGSHU TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the extraction rate of agarwood essential oil extracted by this method is only 0.2%-0.236% (the original text records 2‰-2.36‰), and the fermentation process involved in this method takes more than 15 days. Defects undoubtedly limit the productivity of agarwood essential oil extraction from agarwood

Method used

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  • Method for extracting Chinese eaglewood essential oil
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Embodiment 1: the extraction method of agarwood essential oil of the present invention

[0029] Take 50.0 kg of agarwood raw material (agarwood containing white wood layer) and pulverize it, add purified water of 6 times the weight of the agarwood raw material, stir to form a slurry, and pass the slurry through a colloid mill;

[0030] After the colloid mill is completed, the slurry is ultrasonically treated under the conditions of 2750W and 75min. After the treatment, the pH is adjusted to 5.0 with hydrochloric acid, and the amount of cellulase with a specific activity of 3.0 is added per kilogram of agarwood raw material for cellulase hydrolysis. The hydrolysis temperature is 45 ℃, the hydrolysis time is 210 minutes, and the enzyme inactivation is carried out after the hydrolysis is completed. The enzyme inactivation temperature is above 90 ℃, and the enzyme inactivation time is 5 minutes;

[0031] Suction filtration after enzyme inactivation, the first filtrate of ga...

Embodiment 2

[0032] Embodiment 2: the extraction method of agarwood essential oil of the present invention

[0033] Take 50.0 kg of agarwood raw material (agarwood containing white wood layer) and pulverize it, add purified water twice the weight of the agarwood raw material, stir to form a slurry, and pass the slurry through a colloid mill;

[0034] After the colloid mill is completed, the slurry is ultrasonically treated under the conditions of 500W and 120min. After the treatment, the pH is adjusted to 5.0 with hydrochloric acid, and the amount of cellulase with a specific activity of 0.3 is added per kilogram of agarwood raw material for cellulase hydrolysis. The hydrolysis temperature is 45 ℃, the hydrolysis time is 300 minutes, and the enzyme inactivation is carried out after the hydrolysis is completed. The enzyme inactivation temperature is above 90 ℃, and the enzyme inactivation time is 5 minutes;

[0035] Suction filtration after enzyme inactivation, the first filtrate of gained ...

Embodiment 3

[0036] Embodiment 3: the extraction method of agarwood essential oil of the present invention

[0037] Take 50.0% of the agarwood raw material (agarwood containing white wood layer) and pulverize it, add purified water 10 times the weight of the agarwood raw material, stir to form a slurry, and pass the slurry through a colloid mill;

[0038] After the colloid mill is completed, the slurry is ultrasonically treated under the conditions of 5000W and 30min. After the treatment, the pH is adjusted to 4.5 with hydrochloric acid, and the amount of cellulase with a specific activity of 1.0 is added per kilogram of agarwood raw material for cellulase hydrolysis. The hydrolysis temperature is 47 ℃, the hydrolysis time is 270 minutes, and the enzyme inactivation is carried out after the hydrolysis is completed. The enzyme inactivation temperature is above 90 ℃, and the enzyme inactivation time is 5 minutes;

[0039]Suction filtration after enzyme inactivation, the first filtrate of gai...

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Abstract

The invention relates to the technical field of biology, and particularly discloses a method for extracting Chinese eaglewood essential oil. The method comprises the steps of crushing a Chinese eaglewood raw material, adding water, and stirring to obtain slurry; processing the slurry by a colloid mill; performing ultrasonic treatment on the slurry and hydrolyzing by using cellulase; performing enzyme inactivation and suction filtration after hydrolysis, extracting the prepared first filtrate by using 95% ethanol, performing suction filtration again on the organic phase, distilling prepared second filtrate for removing ethanol, thus obtaining the Chinese eaglewood essential oil. According to the method disclosed by the invention, the Chinese eaglewood essential oil is subjected to double-effect extraction by using ultrasonic waves and an enzymolysis method, so that the extraction rate of the Chinese eaglewood essential oil is effectively increased to ensure that the Chinese eaglewood essential oil extraction rate of the Chinese eaglewood raw material containing a whitewood layer is increased up to be more than 0.4%, and meanwhile, the extraction time is shortened; the method is suitable for extracting the Chinese eaglewood essential oil of natural Chinese eaglewood and artificial Chinese eaglewood.

Description

technical field [0001] The invention relates to the field of biotechnology, and more specifically relates to a method for extracting agarwood essential oil. Background technique [0002] Agarwood is the resinous part of Agarwood of the family Daphneaceae Agarwood, which is mainly produced in Hainan, Guangdong, Yunnan, Fujian and other provinces in my country. Its main aromatic components are sesquiterpenes and their oxygen-containing derivatives, aromatic compounds, fatty acids and their lipids, and chromones. Agarwood is the white wood that remains connected with agarwood after removing the balsam from the agarwood. It contains a very small amount of balsam, which must be fully utilized because the agarwood is expensive. [0003] Agarwood has a wide range of uses. Clinically, it has the functions of promoting qi and relieving pain, strengthening yang and eliminating numbness, and has a significant effect on functional dyspepsia, acute attack of pulmonary heart disease, sto...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11B9/02
Inventor 丁宗妙
Owner HAIKOU MIXIANGSHU TECH
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