Process for extracting effective component of sweet tea

An extraction method and a technology of active ingredients, which are applied in the field of extraction of active ingredients of sweet tea, can solve problems affecting the quality of sweet tea extracts, difficult recovery of solvents, and easy residues of finished products, etc., and achieve the effects of improving comprehensive utilization, simple operation, and high purity

Inactive Publication Date: 2008-01-30
陈显刚
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, various chemical solvents such as ethanol, petroleum ether, and chloroform are used for extraction, and these solvents are difficult to recover completely, and are likely to remain in the finished product, thereby affecting the quality of the sweet tea extract obtained, and this extraction method cannot extract various effective ingredients in sweet tea. ingredients are extracted separately

Method used

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  • Process for extracting effective component of sweet tea
  • Process for extracting effective component of sweet tea

Examples

Experimental program
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Effect test

Embodiment 1

[0016] 1) Add 0.3 kg of compound enzyme (among them, 0.18 kg of cellulase, 0.06 kg of hemicellulase, and 0.06 kg of pectinase) into 1.5 kg of water at a temperature of 35° C. to activate for 5 minutes to obtain a compound enzyme preparation;

[0017] Take 100 kg of sweet tea leaves and put them into 500 kg of water at 40°C, adjust the pH value of the water to 4.5 with citric acid, then slowly add the above compound enzyme preparation, stir gently, and enzymolyze for 1.5 hours;

[0018] 2) Heating the obtained enzymolysis solution to 75°C and maintaining the temperature for 8 minutes to inactivate the enzyme, and then hydraulically filtering the enzymolysis solution to obtain a filtrate;

[0019] 3) The filtrate is separated by ultrafiltration through a hollow ceramic membrane device with a pore size of 10,000 molecular weight cut-off, to obtain a retentate and a separation liquid, and the obtained retentate is a polymer substance such as ellagitannin, which is purified by chrom...

Embodiment 2

[0023] 1) 0.5 kg of compound enzyme (including 0.4 kg of cellulase and 0.1 kg of protease) was added to 3 kg of water at a temperature of 45° C. to activate for 10 minutes to obtain a compound enzyme preparation;

[0024] Take 100 kg of sweet tea leaves and put them into 1000 kg of water at 55°C, adjust the pH value of the water to 6 with citric acid, then slowly add the above-mentioned compound enzyme preparation, stir gently, and enzymolyze for 3 hours;

[0025] 2) Heating the obtained enzymatic hydrolysis solution to 95°C and maintaining the temperature for 15 minutes to inactivate the enzyme, and then hydraulically filtering the enzymatic hydrolysis solution to obtain a filtrate;

[0026] 3) The filtrate is separated by ultrafiltration through a hollow ceramic membrane device with a pore size of 10,000 molecular weight cut-off, to obtain a retentate and a separation liquid. The retentate is a macromolecular substance such as ellagitannin, which is purified, removed, and dri...

Embodiment 3

[0030] 1) Put 100 kg of sweet tea leaves into 500 kg of water at 50°C, and adjust the pH value of the water to 4.5 with citric acid, then slowly add 0.3 kg of compound enzyme (wherein, fiber 0.18 kg of primease, 0.05 kg of hemicellulase, 0.03 kg of pectinase, and 0.04 kg of protease) were activated for 10 minutes, and the compound enzyme preparation obtained was gently stirred and enzymolyzed for 2 hours;

[0031] 2) Heating the obtained enzymolysis solution to 75°C and maintaining the temperature for 10 minutes to inactivate the enzyme, then hydraulically filtering the enzymolysis solution to obtain a filtrate;

[0032] 3) The filtrate is separated by ultrafiltration through a hollow ceramic membrane device with a pore size of 10,000 molecular weight cut-off, to obtain a retentate and a separation liquid, and drying the retentate to obtain an ellagitannin product;

[0033] 4) separating the separated liquid obtained by ultrafiltration separation through hollow ceramic membran...

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Abstract

The present invention discloses an extraction method of sweet tea active ingredients, the steps are as follows: 1) sweet tea leaves are placed into the water and the complex enzyme is used for enzyme hydrolysis; 2) the enzymatic inactivation and filtration are carried out for the obtained enzymatic hydrolysate to get the filtrate; 3) the separation is carried out for filtrate to get the ellagitannin and the separation liquid; 4) the absorption and separation are carried out for the separation liquid by using the anion exchange resin, then the anion exchange resin is eluted and the solvent used for elution is recovered and dried to get the gallic acid; 5) the liquid is flowed out after the absorption and separation of the separation liquid by the anion exchange resin, the liquid is treated with absorption and separation by macroporous absorption , then the macroporous absorption resin eluted, the solvent used for elution is recovered and dried to get the rubusoside. The extraction method of sweet tea active ingredients of the present invention can separate the ellagitannin, gallic acid, rubusoside and other active ingredients in the sweet tea leaves sequentially. The extraction method has simple operation and can lower the energy consumption, improve the comprehensive utilization rate of the sweet tea and provide the raw materials and intermediates for the health care drugs.

Description

(1) Technical field: [0001] The invention relates to a method for extracting active ingredients in tea, in particular to a method for extracting active ingredients in sweet tea. (two) background technology: [0002] Since 80 years, the Japanese and American medical circles have been conducting in-depth research on the sweet tea of ​​Rubus genus Rosaceae Rosaceae, and found that sweet tea has the effects of lowering blood fat, blood sugar, blood pressure, moistening lungs, relieving cough, and resisting gastrointestinal cancer. Japan Studies by the Faculty of Pharmacy at Mie University have shown that in addition to the above-mentioned effects, it also has anti-inflammatory and anti-allergic effects, and has obvious curative effects on pollen allergies, especially cherry blossom powder allergies, and other rhinitis and dermatitis. This is sweet tea and its series of products in Japan. One of the main reasons for its popularity. The reason why sweet tea has these effects is b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K36/82C12P1/00
Inventor 陈显刚
Owner 陈显刚
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