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Method for extracting sesamin

An extraction method and technology for sesamin, applied in the extraction field of ultra-high-purity sesamin, can solve the problems of low extract purity and high production cost, and achieve the effects of simple refining steps, crystallization and simplicity, and wide source of raw materials

Inactive Publication Date: 2017-06-20
内蒙古昶辉生物科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to solve the technical problems of high production cost and low purity of the extract existing in the existing sesamin extraction process, the present invention uses cheap and easy-to-obtain sesame as raw material, and obtains the extract containing sesamin through a relatively simplified extraction method, and concentrates Concentrate, and the use of low-cost and non-toxic extractant, is very suitable for industrial production, and at the same time, the sesame meal after sesamin extraction can be used for other purposes, such as the production of feed, etc., which can also save production costs

Method used

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  • Method for extracting sesamin
  • Method for extracting sesamin

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Embodiment 1

[0027] After crushing the sesame seeds, soak them in an extraction tank with a concentration of more than 99% ethyl acetate for 40 minutes at a soaking temperature of 75°C, wherein the weight ratio of the sesame seeds to the extractant ethyl acetate is 1:4.6.

[0028] In the extraction tank, keep the extraction temperature at 80°C, and extract the sesamin for 1.5 hours to obtain an extract containing sesamin;

[0029] Use a three-effect concentrator to concentrate the extract, and the temperature in the concentrator is 75°C; obtain a concentrated solution containing sesamin; add the concentrated solution to a crystallization tank and keep stirring for 16 hours, and then crystallize to obtain sesamin crystals, The crystallization temperature is 3 DEG C; the sesamin crystals are added into a refining tank, and ethanol is added for decolorization and refining to obtain the finished sesamin.

[0030] In the present embodiment, the amount of sesame seasoning is 150kg; the final pro...

Embodiment 2

[0032] After the sesame is crushed, it is soaked in an extraction tank of ethanol with a concentration of more than 99% for 60 minutes at a soaking temperature of 80°C, and the weight ratio of the sesame to the extractant ethanol is 1:5.

[0033] In the extraction tank, keep the extraction temperature at 80°C, and extract the sesamin for 1 hour to obtain an extract containing sesamin;

[0034] Use a three-effect concentrator to concentrate the extract, and the temperature in the concentrator is 65°C; obtain a concentrated solution containing sesamin; add the concentrated solution to a crystallization tank and keep stirring for 16 hours, and then crystallize to obtain sesamin crystals, The crystallization temperature is 2° C.; the sesamin crystals are added into a refining tank, and ethanol is added for decolorization and refining to obtain a finished sesamin product.

[0035] In the present embodiment, the amount of sesame seasoning is 150kg; the final product solid sesamin ob...

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Abstract

The present application relates to a method for extracting sesamin, which is characterized in that it comprises: soaking crushed sesame in an extraction tank containing an extractant for a predetermined time; extracting sesame in the extraction tank to obtain an extract containing sesamin liquid; use a three-effect concentrator to concentrate the extract to obtain a concentrated solution containing sesamin; add the concentrated solution to a crystallization tank for crystallization to obtain sesamin crystals; add the sesamin crystals to a refining tank and add ethanol for Decolorizing and refining to obtain the finished product of sesamin. Using the extraction method of the scheme of the present application improves the purity of sesamin, reduces production energy consumption and production cost.

Description

technical field [0001] The invention relates to a method for continuously extracting sesamin from sesame, in particular to an ultrahigh-purity sesamin extraction method. Background technique [0002] Sesamin (English name: sesamin), is a white crystalline powder, easily soluble in chloroform, benzene, acetic acid, acetone, slightly soluble in ether, petroleum ether. Almost insoluble in water, alkaline solution and hydrochloric acid, sesamin mainly exists in sesame, asarum in Aristolochiaceae Asarum, Rutaceae Zanthoxylum chinensis, Bashan Zanthoxylum bungeanum, Zizhuye and other Chinese herbal medicines It has also been found to contain sesamin. Compared with the mass content of sesamin in sesame, the mass content of sesamin in other plants is very low. Since sesamin is fat-soluble, most of the sesamin is distributed in sesame oil. Sesamin content in sesame oil is between 0.06% -0.74%. [0003] The molecular structural formula is as follows: [0004] [0005] Sesamin ...

Claims

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Application Information

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IPC IPC(8): C07D493/04
CPCC07D493/04
Inventor 贾洪涛张树元张成亮赵永强王岩徐旭
Owner 内蒙古昶辉生物科技股份有限公司
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