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Extraction method of magnolia sieboldii plant volatile oil

A technology of plant volatile oil and magnolia, which is applied in the direction of essential oil/fragrance, fat production, etc., can solve the problems of organic small molecule solvent residue, unfriendly environment, etc., and achieve the effect of low cost, good extraction effect and high purity

Inactive Publication Date: 2013-10-16
WENZHOU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this method improves the oil yield, it is not environmentally friendly and may cause residual organic small molecule solvents

Method used

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  • Extraction method of magnolia sieboldii plant volatile oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Take 1 kg of a mixture of roots, stems, leaves, flowers, and fruits of Magnolia magnolia plant, wash it, dry it, and crush it to 150 mesh, add 1 liter of 1-butyl-3-methylimidazolium bromide ionic liquid, and transfer it to carbon dioxide In the supercritical extraction tank, set the temperature at 50°C, the pressure at 30MPa, and the flow rate of carbon dioxide at 5kg / h. After extraction for 30 minutes, the extract was distilled under reduced pressure to obtain the volatile oil of Magnolia japonica plant, with an oil yield of 5%. figure 1 It is the GC-MS spectrum of the volatile oil of Magnolia japonica plant. From left to right, the peaks are sabinene (11.50%), trans-ocimene (37.01%), β-elemene (7.64%), caryophyllene (2.37%) , Myrrene (3.19%), δ-cadrene (10.54%), etc., the corresponding mass percentages are in brackets.

Embodiment 2

[0023] Take 1 kg of fallen leaves of Magnolia chinensis plant, wash, dry and crush to 300 mesh, add 2 liters of 1-butyl-3-methylimidazolium bromide ionic liquid and transfer to a carbon dioxide supercritical extraction tank, set the temperature At 50°C, pressure 30MPa, carbon dioxide flow rate 5kg / h, after 30 minutes of extraction, the extract was distilled under reduced pressure to obtain the volatile oil of Magnolia japonica plant, with an oil yield of 5%. GC-MS spectrogram shows that main component is with embodiment 1.

Embodiment 3

[0025] Take 1 kg of fallen leaves of Magnolia plant, wash, dry and crush to 300 mesh, add 2 liters of 1-decyl-3-methylimidazolium bromide ionic liquid and transfer to a carbon dioxide supercritical extraction tank, set the temperature The temperature is 30°C, the pressure is 20MPa, the flow rate of carbon dioxide is 5kg / h, and after extraction for 120 minutes, the extract is distilled under reduced pressure to obtain the volatile oil of Magnolia magnolia plant, with an oil yield of 5%. GC-MS spectrogram shows that main component is with embodiment 1.

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Abstract

The invention discloses an extraction method of magnolia sieboldii plant volatile oil. The extraction method comprises: magnolia sieboldii plant powder is adopted as a raw material, the plant volatile oil is obtained through extraction through use of lipophilic ionic liquid / supercritical carbon dioxide two-phase system, and the lipophilic ionic liquid is imidazole-type ionic liquid. The extraction method has the advantages of high oil extraction rate, short extraction time, green and environmentally-friendly extraction processes and simple post-processing technology.

Description

(1) Technical field [0001] The invention relates to a new extraction process of magnolia plant essential oil. (2) Background technology [0002] Magnolia sieboldii, a plant of the genus Magnolia in the family Magnoliaceae, is a small deciduous tree and a tree species in the warm temperate zone. It is distributed in Liaoning, North Korea, and Japan in northeast China, and it is also scattered in the mountains of Anhui Province. Tiannv flowers are opposite to leaves, and there are nine perianth pieces, which can be extracted into fragrant extract; the leaves of Tiannv Magnolia contain aromatic oil, and the oil content reaches 1%; the seeds of Tiannv Magnolia have a high oil content, and oil is an important daily chemical industry. raw material. The essential oil contains 19 components after analysis, these components are not only used for spices, but also medicinal. The extracting process of the volatile oil of Magnolia plant usually adopts water distillation, such as patent...

Claims

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Application Information

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IPC IPC(8): C11B9/02
Inventor 张伟禄吴波张艳丽张正兵袁俏超陈寅伟方俞敬
Owner WENZHOU UNIVERSITY
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