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Method for extracting ginseng volatile oil by supercritical CO2

A supercritical, volatile oil technology, applied in the direction of essential oils/fragrances, fat production, etc., can solve the problems of unsuitable for human use, organic solvent residue, low oil yield, etc., to avoid oxidation and pyrolysis, no solvent residue, Good product quality

Inactive Publication Date: 2013-01-23
吉林人参研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the distillation method has a low oil yield, resulting in a large waste of oil
Although the solvent method has a high oil yield, there are organic solvent residues, which are toxic and not suitable for human use

Method used

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  • Method for extracting ginseng volatile oil by supercritical CO2
  • Method for extracting ginseng volatile oil by supercritical CO2
  • Method for extracting ginseng volatile oil by supercritical CO2

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] supercritical CO 2 Extraction method of ginseng volatile oil ：

[0018] 1. Raw materials, reagents and instruments

[0019] 1.1 Raw materials of ginseng

[0020] In early October, 5-year-old ginseng from Dunhua City, Jilin Province was collected and dried, and then crushed into coarse powder for later use.

[0021] 1.2 Reagents

[0022] CO 2 Produced by Jihua North Juquinone Industry and Trade Co., Ltd., the purity is 99.92%.

[0023] 1.3 Instruments

[0024] HA222-50-06-II type supercritical extraction device, Jiangsu Nantong Huaan Supercritical Extraction Co., Ltd.; 1 / 100,000th balance, model BP-211D; vacuum drying oven, model DHG-9123X.

[0025] 2. Methods and Results

[0026] 2.1 Supercritical CO 2 Operation of extraction equipment

[0027] The volatile oil of ginseng is extracted by the method of primary extraction and secondary separation. The pressure of separation kettle I is 10MPa and the temperature is 45°C; the pressure of separation kettle II is 4...

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Abstract

The invention relates to a method for extracting medicinal-edible isogenous plants, which namely relates to a method for extracting ginseng volatile oil by supercritical CO2, which comprises the following steps: adding ginseng powder to the containing bottle of an extracting kettle of a supercritical extracting device; filling the ginseng powder to the extracting kettle and sealing the extracting kettle; heating the extracting kettle, a separation kettle I and a separation kettle II respectively; when the temperature of the extracting kettle reaches to 40 degrees centigrade, slowly opening an extracting kettle valve; opening an air exhaust valve to discharge air when pressure in the extracting kettle is equal to the pressure of a storage tank; pressurizing a system through a high pressure system; controlling CO2 flow quantity within 20-50L / h when the extracting kettle, the separation kettle I and the separation kettle II reach to predetermined pressure; and starting to process circular extraction; after keeping an extracting temperature within 25-80 degrees centigrade, and keeping extracting time for 60-150min, and receiving extracted ginseng volatile oil from the discharging outlets of the separation kettle I and the separation kettle II. The method is characterized by high extraction rate, fast speed, no pollution, simple technology, good product quality, no solvent residue and the like and avoids oxidation and pyrolysis.

Description

[0001] technical field [0002] The invention relates to a method for extracting medicinal and edible homologous plants, that is, supercritical CO 2 Method for extracting ginseng essential oil. Background technique [0003] In the prior art, ginseng is the dry root and rhizome of Panax ginseng C.A.Mey., an Araliaceae plant, which ranks first among the "Three Treasures of Northeast China", and is now the 88th variety of the same origin of medicine and food in my country. As early as "Shen Nong's Materia Medica", it has been recorded that ginseng "replenishes the five internal organs, soothes the spirit, calms the soul, relieves panic, eliminates evil spirits, improves eyesight, improves intelligence, makes light of body and prolongs life after long-term use". Ginseng has complex chemical composition and extensive biological activity. So far, it has been clarified that the chemical composition of ginseng contains saponins, ginseng polysaccharides, volatile oils, proteins, polyp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B9/02
Inventor 曹立军赵锐徐涛赵花魏建华
Owner 吉林人参研究院
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