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Method for obtaining wolfberry fruit extract through multistage countercurrent extraction by adopting centrifugal extractor

A centrifugal extractor and extraction technology, which is applied in the field of multi-stage countercurrent extraction of wolfberry seed extract by centrifugal extractor, can solve the problems of low extraction efficiency, cumbersome setting process, and difficult operation, and achieve shortened extraction time, sweet and moist Soft, easy-to-operate effect

Inactive Publication Date: 2017-01-11
CHINA TOBACCO JIANGXI IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] In order to solve the above-mentioned technical problems, the present invention provides a method for extracting Maca extract by using centrifugal extractor multistage countercurrent to overcome the cumbersome setting process, difficult operation, low extraction efficiency and high cost in the prior art. technical problems, the specific technical solutions are:

Method used

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  • Method for obtaining wolfberry fruit extract through multistage countercurrent extraction by adopting centrifugal extractor
  • Method for obtaining wolfberry fruit extract through multistage countercurrent extraction by adopting centrifugal extractor
  • Method for obtaining wolfberry fruit extract through multistage countercurrent extraction by adopting centrifugal extractor

Examples

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Embodiment 1

[0028] Example 1. A method for multi-stage countercurrent extraction of wolfberry seed extract using a centrifugal extractor, including the following steps;

[0029] Pretreatment steps: Dry the maca rhizome at 78°C, then crush it with a Chinese medicine crusher, crush to 60 mesh, then sieving, drying, fire roasting, and cooling to room temperature;

[0030] Extraction step: Put the petroleum ether solvent, ethanol solvent and the pretreated crushed maca rhizomes into a continuous countercurrent centrifugal extractor, vacuum the continuous countercurrent centrifugal extractor, the solvent ratio is 1:1, and the temperature At 10℃, the extraction pressure is the saturated vapor pressure of the solvent used at the corresponding temperature, and then stir while passing ultrasonic waves. The extraction time is 1.5 hours. The solid and liquid phases are separated by filtration, and the liquid phase mixed solution is transported into the temporary storage tank. Complete a soak extraction; ...

Embodiment 2

[0035] Example 2. A method for multi-stage countercurrent extraction of wolfberry seed extract using a centrifugal extractor, including the following steps;

[0036] Pretreatment steps: Dry the maca rhizome at 80°C, then crush it with a Chinese medicine crusher, crush to 80 mesh, then sieving, drying, fire roasting, and cooling to room temperature;

[0037] Extraction step: Put the petroleum ether solvent, ethanol solvent and the pretreated crushed maca rhizomes into a continuous countercurrent centrifugal extractor, vacuum the continuous countercurrent centrifugal extractor, the solvent ratio is 1.5:1, and the temperature The extraction pressure is 50℃, the extraction pressure is the saturated vapor pressure of the solvent used at the corresponding temperature, and then it is stirred while passing ultrasonic waves. The extraction time is 3 hours. The solid and liquid phases are separated by filtration, and the liquid phase mixed solution is transported into the temporary storage ta...

Embodiment 3

[0043] Example 3. A method for multi-stage countercurrent extraction of wolfberry seed extract using a centrifugal extractor, including the following steps;

[0044] Pretreatment steps: Dry the maca rhizome at 79°C, then crush it with a Chinese medicine crusher, crush to 70 mesh, then sieving, drying, fire roasting, and cooling to room temperature;

[0045] Extraction step: Put the petroleum ether solvent, ethanol solvent and the pretreated crushed maca rhizomes into a continuous countercurrent centrifugal extractor, vacuum the continuous countercurrent centrifugal extractor, and the ratio of solvent to material is 1-1.5:1 , The temperature is 48℃, the extraction pressure is the saturated vapor pressure of the solvent used at the corresponding temperature, and then stir while passing ultrasonic waves. The extraction time is 2 hours. The solid and liquid phase are separated by filtration, and the liquid phase mixed solution is transported into the temporary storage tank Tank, comple...

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Abstract

The invention relates to a method for obtaining wolfberry fruit extract through multistage countercurrent extraction by adopting a centrifugal extractor. The method comprises the following steps of: a pre-treatment step, namely drying maca roots and stems under the condition of 78 DEG C to 80 DEG C, and crushing the dried maca roots and stems by utilizing a traditional Chinese medicine crusher until the granularity is 60-80 meshes; sieving, drying, roasting by a pyrogenic process, and cooling to room temperature; an extraction step, namely putting a petroleum ether solvent and an ethanol solvent, and the pre-treated crushed maca roots and stems into a continuous countercurrent centrifugal extractor; vacuumizing the continuous countercurrent centrifugal extractor, wherein the solvent-material ratio is (1 to 1.5) to 1, the temperature is 10 DEG C to 50 DEG C and the extraction pressure is saturated steam pressure of a used solvent under the corresponding temperature; then stirring and introducing ultrasonic waves, wherein the extraction time is 1.5h to 3h; filtering and separating solid and liquid phases; and conveying a liquid-phase mixed solution into a temporary storage kettle tank so as to finish one time of immersing and extracting. The production process of the wolfberry fruit extract is simple to operate; the wolfberry fruit extract is sweet and soft, the comfort is improved and the sweet taste is relatively natural; the extraction efficiency is high, the production cost is low and the practicability is very high.

Description

Technical field [0001] The invention relates to the technical field of plant extraction, and in particular to a method for extracting wolfberry seed extracts by using a centrifugal extractor in multi-stage countercurrent. Background technique [0002] According to the dissolution properties of various components of animal and plant raw materials in different solvents, according to the principle of "similar compatibility", it will be effective to select solvents with high solubility for the required active ingredients and low solubility for ingredients that do not need to be dissolved. The ingredients are dissolved from the raw tissue, and then distilled to recover the extraction solvent to complete the extraction and separation process. [0003] The traditional extraction of wolfberry seeds includes strong polar solvent water and polar organic solvents ethanol, methanol, acetone, etc., ethanol is the most commonly used, lipophilic organic solvent, such as petroleum ether, benzene, ...

Claims

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Application Information

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IPC IPC(8): B01D11/02C11B1/10C11B1/04
CPCB01D11/0265B01D11/0284B01D11/0288B01D11/0292B01D2011/002C11B1/04C11B1/102C11B1/106
Inventor 裴永隆
Owner CHINA TOBACCO JIANGXI IND CO LTD
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