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Preparation method of elsholtziae extract

A kind of extract of fenugreek and the technology of fenugreek, applied in the direction of solid solvent extraction, essential oil/fragrance, chemical/physical/physicochemical process of energy application, etc., to achieve the effect of increasing solubility and low cost

Inactive Publication Date: 2015-01-21
HUNAN BAILIXIANG NATURAL BIOLOGICAL PROD DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is no report on the method of synchronously extracting the volatile oil and flavonoids of fenugreek by water extraction

Method used

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  • Preparation method of elsholtziae extract

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] (1) Microwave extraction: Weigh 100kg of dried fenugreek and cut them into small pieces of 1-2mm, place them in a microwave extraction tank, add 800kg of pure water, turn on microwave heating, and when the temperature rises to 60°C, turn on the circulation bypass, Realize the circulation flow of the extract of the fennel extract in the tank, and keep the full contact of the fennel and the solution. Set the extraction temperature to 95°C, and then microwave extraction for 20 minutes when it reaches 95°C; stop the heating, stop the operation of the circulation bypass system, and cool the extraction liquid from the discharge port to 40°C through the heat exchanger and pour it into the feed liquid storage tank , to obtain the water extract A; the chrysanthemum residue is still in the microwave extraction tank, and then add 400kg of pure water to the microwave extraction tank for the second extraction, turn on the microwave heating, and when the temperature rises to 60 ° C, t...

Embodiment 2

[0030](1) Microwave extraction: Weigh 120kg of dried fenugreek and cut it into 1-2mm pieces, put it in an extraction tank, add 720kg of pure water, turn on microwave heating, and turn on the circulation bypass when the temperature rises to 60°C. Set the extraction temperature to 60°C, microwave extraction for 60 minutes; stop heating, stop the operation of the bypass system, cool the extraction liquid from the discharge port to 35°C through a heat exchanger, and put it into the feed liquid storage tank to obtain the water extraction liquid A; Add 900kg of pure water to the microwave extraction tank for the second extraction, turn on the microwave heating, and when the temperature rises to 60°C, turn on the bypass, and set the extraction temperature to 80°C. When it rises to 80°C, microwave extraction for 5 minutes; stop heating, stop the operation of the bypass system, cool the extract from the outlet to 38°C through a heat exchanger, and put it into the feed liquid storage tan...

Embodiment 3

[0035] (1) Microwave extraction: Weigh 80kg of dried fenugreek and cut them into small pieces of 1-2mm, put them in the extraction tank, add 640kg of pure water, turn on microwave heating, and turn on the circulation bypass when the temperature rises to 60°C. Set the extraction temperature to 70°C, microwave extraction for 5 minutes; stop heating, stop the operation of the bypass system, and pour the extract into the feed liquid storage tank after being cooled by the heat exchanger at the discharge port to obtain the water extract A; then add Put 400kg of pure water into the microwave extraction tank for the second extraction, turn on the microwave heating, when the temperature rises to 60°C, turn on the bypass, set the extraction temperature to 80°C, and then microwave extraction for 60 minutes when the temperature rises to 80°C; stop Heating, stopping the operation of the bypass system, cooling the extract from the outlet through the heat exchanger and pumping it into the fee...

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Abstract

The invention relates to a preparation method of an elsholtziae extract. The preparation method comprises the following steps: the microwave extraction is implemented for elsholtziae and purified water to obtain an original elsholtziae extracting solution; the upper part of a used microwave extracting device is connected with a condenser; a return port is formed in the upper part of the microwave extracting device; a sprinkling head is mounted in the return port; a discharging port in the lower part is connected with the return port through a pipe via a pump to form a circular bypass; the membrane separation and spray drying are implemented for the obtained original elsholtziae extracting solution to obtain the elsholtziae extract. The preparation method of the elsholtziae extract realizes the synchronous extraction of such volatile ingredients as thymol and water soluble extract, improves the yield of the elsholtziae extract, largely shortens the extracting time, and obtains the thymol-contained elsholtziae extract with low cost and without using an organic solvent.

Description

technical field [0001] The invention belongs to the technical field of plant extraction, and in particular relates to a preparation method of an extract of fenugreek. Background technique [0002] Lemongrass, a perennial herb belonging to the family Lamiaceae, is used for both medicine and food. The whole herb can be used as medicine, with pungent taste and slightly warm nature. It has the functions of dispelling wind and sweating, dispelling water and dispelling dampness, warming the stomach and regulating the heart; it also has the function of antiseptic. Contain 1-2% volatile oil in the whole herb of Cymelia, and the main components of volatile oil are thymol, carvacrol, p-cymenol. Shixiangru (scientific name Mosla chinensis Maxim.) is a kind of Mosla chinensis. Thymol, also known as thymol, has a molecular weight of 150, is a colorless transparent crystal, has a special odor, is volatile at 100°C, and can be distilled together with water vapor. Melting point is 51.5°C...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11B9/02B01D11/02B01J19/12C07G99/00
Inventor 周治德唐华李桂银
Owner HUNAN BAILIXIANG NATURAL BIOLOGICAL PROD DEV
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