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Method for extracting torreya grandis aril volatile oil

A technology of Torreya aril and extraction method, which is applied in the direction of essential oil/fragrance, fat production, etc., can solve the problems of long time required, expensive equipment, difficult maintenance, etc., and achieve mild reaction conditions, increase production efficiency, and continuous operation. Effect

Inactive Publication Date: 2015-01-28
NANJING DIDAO AGRI SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The steam distillation method has a high temperature and takes a long time, which is easy to change the unstable and easily oxidized components to moisture and heat; the quality of the volatile oil obtained by the microwave-assisted extraction method is unstable; and the supercritical CO 2 Although this method has the advantages of high yield, high product concentration and no solvent residue, its equipment is expensive and maintenance is difficult, so it is not suitable for industrial production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Dry the arils of Torreya torreya in the shade, add 0.5 times the mass of acetic acid / sodium acetate buffer solution dissolved in biological enzymes (cellulase and hemicellulase at a mass ratio of 2:1), wrap in a film, and ferment at 40°C for 2 days; put the fermented raw materials in a continuous countercurrent ultrasonic device, add a 50% ethanol solution with a solid-liquid ratio of 1:4, conduct continuous countercurrent ultrasonic extraction at 60°C and 20KHz for 2 hours, and then separate the solid and liquid to obtain the extract , the extract was concentrated under reduced pressure to obtain a concentrated solution; the obtained concentrated solution was extracted twice with petroleum ether, the extracts were combined, dried over anhydrous sodium sulfate, and concentrated under reduced pressure to obtain Torreya aril volatile oil with a yield of 3.89%.

Embodiment 2

[0016] Dry the arils of Chinese torreya torreya in the shade, add acetic acid / sodium acetate buffer solution dissolved in biological enzymes (cellulase and hemicellulase with a mass ratio of 2:1) of 1 times its mass, wrap in a film, and ferment at 45°C for 3 days; put the fermented raw materials in a continuous countercurrent ultrasonic device, add a 55% ethanol solution with a solid-liquid ratio of 1:5, conduct continuous countercurrent ultrasonic extraction at 65°C and 20KHz for 2 hours, and then separate the solid and liquid to obtain the extract , the extract was concentrated under reduced pressure to obtain a concentrated solution; the resulting concentrated solution was extracted twice with cyclohexane, the extracts were combined, dried over anhydrous sodium sulfate, and concentrated under reduced pressure to obtain Torreya aril volatile oil, with a yield of 4.29% .

Embodiment 3

[0018] Dry the arils of Torreya torreya in the shade, add 0.5 times the mass of acetic acid / sodium acetate buffer solution dissolved in biological enzymes, wrap in a film, and ferment at 50°C for 4 days; put the fermented raw materials in a continuous countercurrent ultrasonic device, add solid 60% ethanol solution with a liquid ratio of 1:6, continuous countercurrent ultrasonic extraction at 70°C and 40KHz for 3 hours, followed by solid-liquid separation to obtain an extract, and the extract was concentrated under reduced pressure to obtain a concentrate; the obtained concentrate was extracted with ether 3 times, combined extracts, dried over anhydrous sodium sulfate, concentrated under reduced pressure to obtain Torreya aril volatile oil with a yield of 4.71%.

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Abstract

The invention relates to a method for extracting torreya grandis aril volatile oil, and particularly relates to a method for extracting torreya grandis aril volatile oil combining enzyme fermentation with continuous countercurrent ultrasonic. The treatment steps comprise: drying torreya grandis aril in shade, adding 0.5-1 time by mass of acetic acid / sodium acetate buffer solution dissolved with biological enzyme, wrapping a thin film, and fermenting at 40-50 DEG C for 2-4 days; putting the fermented raw material in a continuous countercurrent ultrasonic device, adding a 50-60% ethanol solution with a solid-to-liquid ratio of 1:(4-6), carrying out continuous countercurrent ultrasonic extracting at 60-70 DEG C and 20-40 KHz for 2-3 hours, performing solid-liquid separation to obtain an extracting solution, and vacuum concentrating the extracting solution to obtain a concentrated solution; extracting the obtained concentrated solution by use of an organic solvent for 2-3 times, mixing the extract liquor, drying the mixed extract liquor through anhydrous sodium sulfate, and vacuum concentrating to obtain the torreya grandis aril volatile oil. The method provided by the invention can be used for improving the dissolution rate of the torreya grandis aril volatile oil and reducing the dosage of solvent, the process is simple, the reaction conditions are moderate, and the quality of the extracted torreya grandis aril volatile oil is excellent.

Description

technical field [0001] The invention relates to a method for extracting volatile oil from Torreya aril, in particular to a method for extracting volatile oil from Torreya aril in combination with continuous countercurrent ultrasonic waves. Background technique [0002] Torreya is a plant of the genus Torreya yew, the volatile oil is an important chemical component in Torreya, and the aril contains more than 20 kinds of aromatic components. The volatile oil of Chinese torreya can be eaten or used as a raw material for extracting high-grade aromatic oil, which has high economic value. For a long time, torreya arils have been discarded as waste, which not only wastes resources, but also causes environmental pollution. Modern studies have shown that Torreya aril contains multiple volatile oil components such as alcohols, ketones, alkenes, and aldehydes. Therefore, Torreya aril can be used as a raw material for extracting high-grade aromatic oils and extracts. [0003] The curr...

Claims

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Application Information

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IPC IPC(8): C11B9/02
CPCC11B9/025
Inventor 刘东锋杨成东
Owner NANJING DIDAO AGRI SCI & TECH
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