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Extracting method of eaglewood essential oil

A kind of agarwood essential oil and extraction method technology, applied in the directions of essential oil/spice, fat generation, etc., can solve the problems of solvent residue, time-consuming, clean removal, etc., and achieve the effects of short time-consuming, low operating cost, and mild technical conditions

Inactive Publication Date: 2017-10-27
AGRI PRODS PROCESSING RES INST CHINESE ACAD OF TROPICAL AGRI SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Steam distillation is the most traditional method of extracting essential oils. This method takes a long time, usually 1 to 2 weeks. Essential oils extracted by solvent methods often cannot be completely dissolved, resulting in solvent residues. Fermentation extraction requires at least 2 weeks of fermentation Time, and the essential oil extracted by modern extraction technology is only crude oil, not real essential oil, but extract

Method used

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  • Extracting method of eaglewood essential oil
  • Extracting method of eaglewood essential oil
  • Extracting method of eaglewood essential oil

Examples

Experimental program
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Effect test

Embodiment 1

[0043] The present embodiment provides a kind of extracting method of agarwood essential oil, specifically comprising:

[0044] Grind agarwood into powder with an average particle size of 60 mesh, put the raw material powder into the extraction kettle; input subcritical butane fluid into the extraction kettle, the extraction pressure is 0.5MPa, the extraction temperature is 60°C, and the extraction time is 0.6 h, the analysis temperature is 25°C; the subcritical butane fluid dissolved with the extract is analyzed and separated to obtain the agarwood extract; the agarwood extract is subjected to microfiltration, the filter membrane pore size is 1.0 μm, and the filtration temperature is 70°C. The pressure is 0.2 MPa. Collect the filtrate from the previous step to obtain high-purity agarwood essential oil. The agarwood essential oil is embedded in sodium alginate and gelatin, and freeze-dried to obtain the agarwood essential oil sustained-release capsule.

Embodiment 2

[0046] The present embodiment provides a kind of extracting method of agarwood essential oil, specifically comprising:

[0047] Grind agarwood into powder with an average particle size of 70 mesh, put the raw material powder into the extraction kettle; input subcritical butane fluid into the extraction kettle, the extraction pressure is 0.6MPa, the extraction temperature is 40°C, and the extraction time is 1h , the analysis temperature is 50°C; the subcritical butane fluid dissolved with extracts is analyzed and separated to obtain agarwood extract; the agarwood extract is subjected to microfiltration, the filter membrane pore size is 0.2 μm, the filtration temperature is 50°C, and the filtration pressure is 0.6MPa. Collect the filtrate from the previous step to obtain high-purity agarwood essential oil. The agarwood essential oil is embedded in sodium alginate and gelatin, and freeze-dried to obtain the agarwood essential oil sustained-release capsule.

Embodiment 3

[0049] The present embodiment provides a kind of extracting method of agarwood essential oil, specifically comprising:

[0050] Grind agarwood into powder with an average particle size of 50 mesh, put the raw material powder into the extraction kettle; input subcritical butane fluid into the extraction kettle, the extraction pressure is 0.4MPa, the extraction temperature is 46°C, and the extraction time is 0.4 h, the analysis temperature is 40°C; the subcritical butane fluid dissolved with the extract is analyzed and separated to obtain the agarwood extract; the agarwood extract is subjected to microfiltration, the filter membrane pore size is 0.6 μm, and the filtration temperature is 60°C. The pressure is 0.5MPa. Collect the filtrate from the previous step to obtain high-purity agarwood essential oil. The agarwood essential oil is embedded in sodium alginate and gelatin, and freeze-dried to obtain the agarwood essential oil sustained-release capsule.

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Abstract

The invention relates to the field of biotechnology, in particular to an extracting method of eaglewood essential oil. The extracting method comprises the following steps: performing sub-critical fluid extraction on crushed eaglewood and performing analytical separation on sub-critical fluid in which an extract is dissolved to obtain an eaglewood extract; performing microfiltration treatment on the eaglewood extract to obtain the eaglewood essential oil. The extracting method provided by the invention has the benefits that a sub-critical fluid extraction technology is applied to the extraction of the eaglewood essential oil; the eaglewood essential oil is separated under a mild condition in combination with a micro-filtration technology; the time consumed is short, no residual solvent exists, and the essential oil is purer.

Description

technical field [0001] The invention relates to the field of biotechnology, in particular to a method for extracting agarwood essential oil. Background technique [0002] Agarwood is the resin-containing part of Aquilaria sinensis (Lour.) Gilg of the family Daphneaceae, 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. 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, stomach pain, e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B9/02
CPCC11B9/022C11B9/025
Inventor 魏晓奕王绥鑫廖良坤李积华崔丽虹
Owner AGRI PRODS PROCESSING RES INST CHINESE ACAD OF TROPICAL AGRI SCI
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