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Method for extracting tea saponin by adopting 60Co gamma rays to radiate tea seed meal

A tea saponin and γ-ray technology, applied in chemical instruments and methods, preparation of sugar derivatives, steroids, etc., can solve the problems of accelerated tea saponin separation and extraction, unsatisfactory yield of tea saponin, and unsatisfactory production safety It can achieve the effect of obvious yield increase rate, easy separation and high safety

Active Publication Date: 2021-02-05
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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  • Method for extracting tea saponin by adopting 60Co gamma rays to radiate tea seed meal

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 2 hours, repeated 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 sul...

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 2 hours, repeated 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 sul...

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 2 hours, repeated 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 a...

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Abstract

The invention discloses a method for extracting tea saponin by using 60Co gamma rays to radiate tea seed meal, which comprises the following steps of: pulverizing dried tea seed meal to 20-200 meshes,adding a leaching solvent which accounts for 30-200% of the weight of the tea seed meal into the tea seed meal, uniformly stirring and dispersing, putting the tea seed meal infiltrated by the leaching solvent into a 60Co gamma radiation field at the radiation dose of 0.1-100 kGy, then leaching the radiated tea seed meal by using the leaching solvent, collecting a leaching solution, and drying theleaching solution to obtain the tea saponin. Compared with a method using non-radiated tea seed meal, the method using radiated tea seed meal has the advantages that the tea saponin yield is obviously increased, the operation is simple, the safety is high, the adaptability is wide, and the method can also be popularized and used for efficiently extracting functional components in other 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 Applications(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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