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Ginkgo leaf leaching liquor and preparation method thereof

A technology of ginkgo biloba leaf and extract, which is applied in the field of ginkgo leaf extract and its preparation, can solve the problems that cannot be widely developed and applied in the food field, complicated process, poor water solubility, etc., and achieves prevention and treatment of cerebral hemorrhage and cerebral hemorrhage. Infarction, improve cardiovascular and cerebrovascular circulation, increase the effect of content

Inactive Publication Date: 2012-07-25
CHONGQING WULONG HAIJING INST OF TRADITIONALCHINESE MEDICINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the "preparation method of a ginkgo leaf extract / substance" announced in the Chinese patent "200710098492.2" is widely used in the field of medicine, and the process needs to recover and remove ethanol, which is complicated and costly
[0003] In the food field, due to technical limitations, the existing ginkgo biloba extracts are powdery extracts with poor water solubility, which need to be supplemented by adding excipients; and can only be used in solid food, and cannot be widely developed and used. Applied in food field

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] a, the preparation of ginkgo leaf dry powder: in summer and autumn, pluck still green fresh leaves without pests, dry or dry, and the moisture content is 10%. Pass through a 2mm sieve and pack into bags for later use;

[0038] B, lixiviation: measure the ginkgo leaf dry powder 100kg of step a, 50%vol liquor 110kg and place in agitator, after fully mixing, leave standstill for 30 minutes;

[0039] c. Drinking water, after filtering through sand sticks, activated carbon and resin, the most 210kg is added to the extraction tank, stirred and heated to 45°C, and the material after step b is put into the extraction tank, sealed, continued to stir and heated to 60°C, constant temperature reflux, comprehensive leaching for 1 hour, stirring and cooling to room temperature;

[0040] d. Juicing and grinding: the cooled material in step c is sent to a juice extractor to squeeze the juice, and then the filtrate after juicing is sent to a colloid mill for grinding twice to a colloid...

Embodiment 2

[0043] a, the preparation of ginkgo leaf dry powder: two seasons of summer and autumn, pluck still green fresh leaves without insect damage, dry or dry, moisture content is 12%, after selecting sundries and moldy dried leaves, use pulverizer, Pass through a 2mm sieve and pack into bags for later use;

[0044] B, leaching: measure the ginkgo leaf dry powder 100kg of step a, 50% vol liquor 150kg and place in the agitator, after fully mixing, leave standstill for 30 minutes;

[0045] c. Drinking water, after three-stage filtration with sand sticks, activated carbon, and resin, take 170kg and add it to the extraction tank, stir and heat to 40°C, add the materials after step b to the extraction tank, seal, continue stirring and heating to 65°C, constant temperature reflux, comprehensive extraction for 2 hours, stirring and cooling to room temperature;

[0046] d. Juicing and grinding: The cooled material in step c is sent to a juice extractor to squeeze the juice, and then the fil...

Embodiment 3

[0049] a, the preparation of ginkgo leaf dry powder: in summer and autumn, pluck still green fresh leaves without pests, dry or dry, and the moisture content is 15%. Pass through a 2mm sieve and pack into bags for later use;

[0050] B, leaching: measure the ginkgo leaf dry powder 100kg of a step, 170kg of 50% vol white wine is placed in the agitator, after fully mixing, leave standstill for 40 minutes;

[0051] c. Add 200kg of drinking water to the extraction tank, stir and heat to 50°C, add the material after standing in step b into the extraction tank, seal it, continue to stir and heat to 70°C, reflux at constant temperature, and perform comprehensive extraction for 3 hours. Stir and cool to room temperature;

[0052] d. Juicing and grinding: The material after cooling in step c is sent to a juicer to extract juice, and then the filtrate after squeezing is sent to a colloid mill for grinding 4 times to a colloidal solution, which can be quickly decomposed into a mist and ...

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Abstract

The invention relates to a ginkgo leaf leaching liquor and a preparation method thereof. A conventional ginkgo leaf product is a powdery extract, has poor water solubility, needs to add an excipient for supplement, and only can be used in solid food; and in the preparation method for ginkgo leaf extracting solution / extract, ethanol needs to be recovered and eliminated, so a process is complicatedand cost is high. The ginkgo leaf dry powder of the invention is prepared from white wine and water serving as a solvent and a carrier by an extraction method including heating, keeping a temperatureconstant, refluxing and comprehensively extracting, juicing and grinding, wherein the white wine serves as the carrier of the leaching liquor and the corrosion resistance and the bacteriostatic function of the white wine are utilized. Therefore, the method has the characteristics of simple process, low cost and more natural properties, capabilities of dissolving water-soluble ginkgoic acid, effectively removing the toxicity of the ginkgoic acid, remaining nutrient components beneficial to people and being widely used in the solid food and liquid food.

Description

technical field [0001] The invention relates to the field of food, in particular to a ginkgo leaf extract and a preparation method thereof. Background technique [0002] Ginkgo biloba is a plant with high medicinal value. Ginkgo biloba is an ancient tree species in my country. Both its fruit and seeds have high medicinal value. Its pharmacological effects are constantly being recognized, and the scope of clinical application is gradually expanding. For example, the "preparation method of a ginkgo leaf extract / substance" announced in the Chinese patent "200710098492.2" is widely used in the field of medicine, and the process requires recovery and removal of ethanol, which is complicated and costly. [0003] In the food field, due to technical limitations, the existing ginkgo biloba extracts are powdery extracts with poor water solubility, which need to be supplemented by adding excipients; and can only be used in solid food, and cannot be widely developed and used. Used in ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23L1/28A23L1/30A23L33/105
Inventor 程季民
Owner CHONGQING WULONG HAIJING INST OF TRADITIONALCHINESE MEDICINE
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