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A method for extracting tea saponin by irradiating tea dregs with 60co gamma rays

A technology of tea saponin and γ-rays, applied in chemical instruments and methods, steroids, organic chemistry, etc., can solve the problems of accelerated separation and extraction of tea saponin, unsatisfactory yield of tea saponin, poor production safety, etc. problems, and achieve the effects of obvious yield increase rate, high safety and simple operation

Active Publication Date: 2022-04-08
湖南省核农学与航天育种研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the yield of tea saponin extracted by these methods is still unsatisfactory, and the operation is more complicated, especially when the extraction solvent is limited to an organic solvent, although the extraction rate increases, the production safety is not good
[0004] There is no report on the method of irradiating tea dregs with 60Co gamma rays to accelerate the separation and extraction of tea saponin and increase the yield of tea saponin

Method used

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  • A method for extracting tea saponin by irradiating tea dregs with 60co gamma rays

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] a use 60 The method for extracting tea saponin from Co gamma ray radiation tea dregs comprises the steps:

[0019] (1) Soaking the tea meal: pulverize the dried (moisture content less than 5%) tea meal to 20-200 mesh, then add 10 g of water to 20 g of the tea meal, stir and disperse to soak the tea meal evenly;

[0020] (2) Radiation tea leaves: place the infiltrated tea leaves 60 In the Coγ-ray radiation field, the radiation dose is 1kGy, and the tea leaves are taken out after the radiation is completed;

[0021] (3) Solvent extraction: use water to extract the irradiated tea leaves, tea leaves (weight): water (volume) = 1:6, extraction temperature 60°C, extraction time 2h, repeat extraction three times , and the extract was collected by suction filtration, and after natural sedimentation, the supernatant liquid was taken and vacuum-dried to obtain yellow tea saponin in the form of solid powder.

[0022] Tea saponin can react with vanillin-concentrated sulfuric acid...

Embodiment 2

[0024] a use 60 The method for extracting tea saponin from Co gamma ray radiation tea dregs comprises the steps:

[0025] (1) Soaking the tea meal: pulverize the dried (moisture content less than 5%) tea meal to 20-200 mesh, then add 10 g of water to 20 g of the tea meal, stir and disperse to soak the tea meal evenly;

[0026] (2) Radiation tea leaves: place the infiltrated tea leaves 60 In the Coγ-ray radiation field, the radiation dose is 3kGy, and the tea leaves are taken out after the radiation is completed;

[0027] (3) Solvent extraction: use water to extract the irradiated tea leaves, tea leaves (weight): water (volume) = 1:6, extraction temperature 60°C, extraction time 2h, repeat extraction three times , and the extract was collected by suction filtration, and after natural sedimentation, the supernatant liquid was taken and vacuum-dried to obtain yellow tea saponin in the form of solid powder.

[0028] Tea saponin can react with vanillin-concentrated sulfuric acid...

Embodiment 3

[0030] a use 60 The method for extracting tea saponin from Co gamma ray radiation tea dregs comprises the steps:

[0031] (1) Soaking the tea meal: crush the dried (moisture content less than 5%) tea meal to 20-200 mesh, then add 6g of water to 20g of the tea meal, stir and disperse to soak the tea meal evenly;

[0032] (2) Radiation tea leaves: place the infiltrated tea leaves 60 In the Coγ-ray radiation field, the radiation dose is 5kGy, and the tea leaves are taken out after the radiation is completed;

[0033] (3) Solvent extraction: use water to extract the irradiated tea leaves, tea leaves (weight): water (volume) = 1:6, extraction temperature 60°C, extraction time 2h, repeat extraction three times , and the extract was collected by suction filtration, and after natural sedimentation, the supernatant liquid was taken and vacuum-dried to obtain yellow tea saponin in the form of solid powder.

[0034] Tea saponin can react with vanillin-concentrated sulfuric acid to for...

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Abstract

The invention discloses a 60 The method for extracting tea saponin from Co gamma ray irradiated tea dregs comprises the steps of: pulverizing the dried tea dregs to 20-200 meshes, adding an extraction solvent to the tea dregs, stirring and dispersing evenly, and the addition of the extraction solvent is 30-200% of the weight of tea leaves, the tea leaves soaked in the extraction solvent are placed in 60 In the Coγ radiation field, the radiation dose is 0.1-100kGy, and then the irradiated tea meal is extracted with an extraction solvent, and the extraction solution is collected and dried to obtain tea saponin. Compared with the unirradiated tea dregs, the irradiated tea dregs of the present invention have obvious improvement rate of tea saponin yield, simple operation, high safety, and the method of the present invention has wide adaptability, and can also be extended to efficiently extract other Functional ingredients in plants.

Description

technical field [0001] The invention belongs to the technical field of tea saponin extraction, in particular to a 60 A method for extracting tea saponin from tea dregs irradiated with Co gamma rays. Background technique [0002] my country is rich in tea tree resources, and after the tea fruit is peeled off the shell and pressed for oil, the remaining tea leaves contain a large amount of tea saponin. Tea saponin is a natural surfactant, which has foaming, emulsifying, decontamination, washing, impermeable and anti-inflammatory, bactericidal and antiviral, hemolytic activity, detoxification and protection of human liver and spleen, anti-oxidation, blood fat reduction and as a biological Hormones promote plant growth and other functions, and have broad application prospects in the fields of agriculture, building materials, daily chemicals, aquaculture, food and medicine. [0003] In order to increase the yield of tea saponin in tea dregs, researchers generally use water or a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07J63/00C07H15/256C07H1/08
CPCC07J63/008C07H15/256C07H1/08
Inventor 谢洪科张乐平于卫东张跃龙邵赛赵彩凤李宏告郭峰邹朝辉
Owner 湖南省核农学与航天育种研究所
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