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Purification method of green prickleyash volatile oil

A purification method and volatile oil technology, which can be applied in the directions of essential oils/spice, fat production, etc., can solve the problem of low final yield and the like

Pending Publication Date: 2020-06-19
营山椒宝宝花椒有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Yet this method is only applicable to the raw material that the relative percentage content of linalool is higher, and the final productive rate of this method is not high simultaneously

Method used

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  • Purification method of green prickleyash volatile oil
  • Purification method of green prickleyash volatile oil
  • Purification method of green prickleyash volatile oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] figure 1 It is a subcritical extraction device according to a specific embodiment of the present invention. Among them, 1 is a solvent storage tank; 2 is an extraction tank; 3 is a separation tank; 4 is a collection tank; 5 is a metering pump; 6 is a compressor; 7 is a condenser; 8 is a hot water tank; 9 is a hot water pump; 10 11 is a thermometer; 12 is a spherical valve; 13 is a vacuum pump; 14 is a control system.

[0056] Dried green peppercorns (place of origin: Laiwu, Shandong) to moisture content ≤ 10%, and crushed to a particle size of 50 mesh to obtain green peppercorn powder. Weigh 1kg green pepper powder and pack it into a 200-mesh material bag with an aperture, put it into the extraction kettle 2 and seal it. The first extraction step and the second extraction step were performed separately.

[0057] The first extraction step is as follows: use the vacuum pump 13 to evacuate the extraction kettle 2 to make the vacuum degree of the extraction kettle 2 reac...

Embodiment 2

[0060] Dried green peppercorns (place of origin: Laiwu, Shandong) to moisture content ≤ 10%, and crushed to a particle size of 40 mesh to obtain green peppercorn powder. Weigh 1kg green pepper powder and pack it into a 200-mesh material bag with an aperture, put it into the extraction kettle 2 and seal it. The first extraction step and the second extraction step were performed separately.

[0061] The extraction conditions of the first extraction step are as follows: the solvent is composed of dimethyl ether and entrainer 95% ethanol at a volume ratio of 3:1; the liquid-solid ratio is 5:1mL / g; the extraction pressure is 0.40MPa; the extraction temperature is 35°C ; Extraction time is 30min; All the other are with extraction embodiment 1.

[0062] The extraction conditions of the second extraction step are as follows: the solvent is propane; the liquid-solid ratio is 20:1mL / g; the extraction pressure is 1.0MPa; the extraction temperature is 30°C; the extraction time is 60min; ...

Embodiment 3

[0064] Dried green peppercorns (place of origin: Laiwu, Shandong) to moisture content ≤ 10%, and crushed to a particle size of 60 mesh to obtain green peppercorn powder. Weigh 1kg green pepper powder and pack it into a 200-mesh material bag with an aperture, put it into the extraction kettle 2 and seal it. The first extraction step and the second extraction step were performed separately.

[0065] The extraction conditions of the first extraction step are: the solvent is composed of dimethyl ether with a volume ratio of 5:1 and entrainer 95% ethanol; the liquid-solid ratio is 6:1mL / g; the extraction pressure is 0.45MPa; the extraction temperature is 45°C ; Extraction time is 20min; All the other are with extraction embodiment 1.

[0066] The extraction conditions of the second extraction step are: the solvent is propane; the liquid-solid ratio is 10:1mL / g; the extraction pressure is 1.4MPa; the extraction temperature is 25°C; the extraction time is 45min; Example 1.

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Abstract

The invention discloses a purification method of green prickleyash volatile oil. The preparation method comprises the following steps: by taking raw material volatile oil subjected to subcritical extraction as a raw material, carrying out molecular distillation to obtain purified volatile oil, before the molecular distillation step, the method further comprises the step of uniformly mixing the rawmaterial volatile oil with 1, 3-propylene glycol under a heating condition to obtain a treated volatile oil feed liquid. The final yield of the method ranges from 3.6% to 4.4% and is obviously higherthan that of an existing purification method. Meanwhile, the content of linalool is correspondingly high, and a purification method exists.

Description

technical field [0001] The invention belongs to the technical field of biochemical products and relates to a green and environment-friendly method for purifying green pepper, more specifically, a method for purifying volatile oil of green pepper. Background technique [0002] Green Zanthoxylum bungeanum is a plant of the genus Zanthoxylum Bungeanum Maxim, and generally said Zanthoxylum bungeanum refers to the dried fruit of this type of plant. There are about 250 species of this genus in the world, distributed in tropical and subtropical regions such as Asia, Africa, South America and Oceania. my country is one of the countries with the largest pepper planting area in the world, mainly distributed in Sichuan, Chongqing, Gansu, Shandong and Hebei provinces. [0003] The most common use of green Zanthoxylum bungeanum is as a condiment. It is a favorite spice of our people and is known as one of the eight great flavors. In addition to the peel can be used for food and medicin...

Claims

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Application Information

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IPC IPC(8): C11B9/02
CPCC11B9/022C11B9/025C11B9/027
Inventor 王汪杨华忠周静熊定伟史亮武碧先
Owner 营山椒宝宝花椒有限责任公司
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