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Method for preparing garlicin from garlic

A technology of allicin and garlic, which is applied in the field of plant active ingredient extraction, can solve the problems of complex allicin process, non-environmental protection of chemical reagents, long cycle, etc., and achieve the effect of improving the acquisition rate and activity, short cycle and low cost

Active Publication Date: 2009-01-07
山东蒜元堂生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If it is used as an additive for medical and health products, low-content allicin must be extracted from natural fresh garlic, but the current production process of allicin has problems such as complicated process, long cycle, and the use of chemical reagents that are not environmentally friendly.

Method used

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  • Method for preparing garlicin from garlic

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The method for preparing allicin from garlic of the present invention consists of the following steps:

[0021] a. After the garlic is peeled, crush and beat;

[0022] b. Enzymatic conversion: convert alliin to allicin, the solvent is an aqueous solution of ethanol, the concentration of which is 25%, and the weight ratio of garlic pulp and solvent is 1:5, input into the reaction kettle, and keep warm at 45°C for 100min;

[0023] c. Ultrasonic extraction: Add the above-mentioned solvent to the material after enzymatic conversion, so that the weight ratio of garlic pulp and solvent is adjusted to 1:8, and input into the ultrasonic extraction unit, the ultrasonic frequency is 25KHz, and it is treated at room temperature for 30 minutes;

[0024] d. Impurity removal: After centrifugal solid-liquid separation and precision filtration, perform ultrafiltration, and use ultrafiltration membrane to separate and remove macromolecular substances. The ultrafiltration membrane is an ...

Embodiment 2

[0028] The method for preparing allicin from garlic of the present invention consists of the following steps:

[0029] a. After the garlic is peeled, crush and beat;

[0030] b. Enzymatic conversion: convert alliin to allicin, the solvent is water, and the weight ratio of garlic pulp and solvent is 1:2, and input it into the reaction kettle, and keep it warm at 30°C for 120min;

[0031] c. Ultrasonic extraction: Add the above-mentioned solvent to the material after enzymatic conversion, so that the weight ratio of garlic pulp and solvent is adjusted to 1:6, input the ultrasonic extraction unit, the ultrasonic frequency is 25KHz, and treat at room temperature for 60 minutes;

[0032] d. Impurity removal: After centrifugal solid-liquid separation and precision filtration, perform ultrafiltration, and use ultrafiltration membrane to separate and remove macromolecular substances. The ultrafiltration membrane is an inorganic membrane, and the ultrafiltration membrane has a cut-off ...

Embodiment 3

[0036] The method for preparing allicin from garlic of the present invention consists of the following steps:

[0037] a. After the garlic is peeled, crush and beat;

[0038] b. Enzymatic conversion: convert alliin to allicin, the solvent is an aqueous solution of ethanol, its concentration is 50%, the weight ratio of garlic pulp and solvent is 1:6, and input into the reaction kettle, and keep warm at 50°C for 60min;

[0039] c. Ultrasonic extraction: Add the above-mentioned solvent to the material after enzymatic conversion, so that the weight ratio of garlic pulp and solvent is adjusted to 1:10, and input it into the ultrasonic extraction unit, the ultrasonic frequency is 25KHz, and it is treated at room temperature for 45 minutes;

[0040] d. Impurity removal: After centrifugal solid-liquid separation and precision filtration, perform ultrafiltration, and use ultrafiltration membrane to separate and remove macromolecular substances. The ultrafiltration membrane is a ceramic...

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Abstract

The invention relates to a method for preparing allicin from garlic which consists of the following steps: after the garlic is peeled, cracking and pulping; enzymatic conversion; ultrasonic extraction; impurity removing; vacuum condensing; spraying and drying; the method is characterized in that: in step b, water and / or ethanol is used as a solvent; the concentration of the ethanol is 0 to 50 percent or 100 percent; the garlic pulp and the solvent with a weight ratio of 1: 2 to 1: 6 is inputted into a reaction kettle; the reaction temperature is 30 to 50 DEG C; the reaction time is 60 to 120min. The method of the invention has the beneficial effects of no residue of harmful matters, simple process and short period; besides, the used chemical reagent accords with the environment protection. As the enzymatic conversion and ultrasonic extraction technology in a low temperature, removing macromolecule matters with ultrafiltration, membrane condensing and the freezing drying technology of low temperature preparing during the full process are adopted, the obtaining rate and the activation of the allicin are greatly improved; no harmful solvents are used; the cost is low; the method of the invention is applicable for industrial production.

Description

(1) Technical field [0001] The invention relates to a method for extracting effective plant components, in particular to a method for preparing allicin from garlic. (2) Background technology [0002] Garlic is the bulb of the Allium plant in the Liliaceae family, and is cultivated all over the world. Modern medicine has confirmed that the broad-spectrum bactericidal therapeutic function of garlic is mainly caused by allicin. The specific garlic smell of garlic comes from allicin. Our country is rich in garlic resources, with various varieties and excellent texture, and its total export volume ranks fourth in the world. In recent years, many foreign companies have added allicin to health products such as medicines, and the demand for human allicin has also increased day by day. At present, there are two main ways to produce allicin at home and abroad: the first is to use artificially synthesized high-content allicin, and the second is to extract low-content allicin from nat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P11/00
Inventor 刘福锦
Owner 山东蒜元堂生物科技有限公司
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