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Extraction method of flaxseed extract

A technology of flaxseed extract and extraction method, which is applied in the field of extraction of flaxseed extract, can solve problems such as the limitation of comprehensive development and utilization of nutritional active ingredients of flax and affect the development of flax industry, and achieve the effect of high material utilization efficiency and rich variety

Inactive Publication Date: 2020-08-18
RES INST OF AGRO PROD PROCESSING SHANXI ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to technical bottlenecks, the comprehensive development and utilization of flax nutritional active ingredients are limited, which affects the development of flax industry

Method used

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  • Extraction method of flaxseed extract

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Experimental program
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Effect test

Embodiment 1

[0030] see figure 1 , the present embodiment provides a technical solution: a method for extracting linseed extract, comprising the following steps:

[0031] S1. Peel the linseed to obtain linseed skin and linseed kernel.

[0032] S2. Extract oil from linseed skin to obtain linseed cake, and grind it to obtain linseed cake powder.

[0033] S3. Put 10 g of linseed cake powder into a container, add 300 ml of pure water, and add 1 mol / L NaOH to adjust the pH value to 9.5 to obtain a mixed solution.

[0034] S4. Put the triangular flask into a water bath shaker at 40° C., shake and extract for 90 minutes.

[0035] S5. Pour the mixed solution in the Erlenmeyer flask into a centrifuge tube, and centrifuge at 4800 r / min for 5 min.

[0036] S6, move the upper layer liquid phase into the Erlenmeyer flask, use 1mol / L HCL to adjust the pH value of the upper layer liquid phase until precipitation occurs, add the upper layer liquid phase to another centrifuge, centrifuge at 4800r / min fo...

Embodiment 2

[0047] The present embodiment provides a technical solution: a method for extracting linseed extract, comprising the following steps:

[0048] S1. Peel the linseed to obtain linseed skin and linseed kernel.

[0049] S2. Extract oil from linseed skin to obtain linseed cake, and grind it to obtain linseed cake powder.

[0050] S3. Put 10 g of linseed cake powder into a container, add 250 ml of pure water, and add 1 mol / L NaOH to adjust the pH value to 9.0 to obtain a mixed solution.

[0051] S4. Put the triangular flask into a water bath shaker at 50° C., shake and extract for 135 minutes.

[0052] S5, pour the mixed solution in the Erlenmeyer flask into the centrifuge tube, and centrifuge for 5min under the condition of 4800r / min,

[0053] S6, move the upper layer liquid phase into the Erlenmeyer flask, use 1mol / L HCL to adjust the pH value of the upper layer liquid phase until precipitation occurs, add the upper layer liquid phase to another centrifuge, centrifuge for 5min u...

Embodiment 3

[0064] The present embodiment provides a technical solution: a method for extracting linseed extract, comprising the following steps:

[0065] S1. Peel the linseed to obtain linseed skin and linseed kernel.

[0066] S2. Extract oil from linseed skin to obtain linseed cake, and grind it to obtain linseed cake powder.

[0067] S3. Put 10 g of linseed cake powder into a container, add 300 ml of pure water, and add 1 mol / L NaOH to adjust the pH value to 9.5 to obtain a mixed solution.

[0068] S4. Put the triangular flask into a water bath shaker at 60° C., shake and extract for 150 minutes.

[0069] S5, pour the mixed solution in the Erlenmeyer flask into the centrifuge tube, and centrifuge for 5min under the condition of 4800r / min,

[0070] S6, move the upper layer liquid phase into the Erlenmeyer flask, use 1mol / L HCL to adjust the pH value of the upper layer liquid phase until precipitation occurs, add the upper layer liquid phase to another centrifuge, centrifuge at 4800r / m...

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Abstract

The invention relates to a an extraction method of a flaxseed extract, which is suitable for the technical field of flaxseed extraction. The extraction method of the flaxseed extract comprises the following steps: flaxseeds are separated to obtain flaxseed kernels and flaxseed skins; a kernel cake obtained by pressing oil from flaxseed kernels with purified water, after properly adjusting the pH value, water bath heating oscillation is carried out, freeze-drying and crushing are carried out on a solid phase obtained after centrifugation to obtain flax protein isolate; the flaxseed skin is putinto boiling water to be stirred; the obtained liquid is concentrated to obtain flax gum liquid, which is used for extracting lignan from flaxseed gum liquid by using edible alcohol and precipitatingflaxseed gum, the flaxseed gum and alcohol containing lignan are obtained; according to the present invention, the alcohol is recovered by an alcohol recovery tower to obtain a lignan-containing solution, which is best used for organic solvent extraction of lignan solution to obtain linseed oil. According to the extraction method, the linseed extractable substance can be completely extracted, thematerial utilization efficiency is high, the extractable substance is rich, and the subsequent processing and the production of a variety of products are easily performed.

Description

technical field [0001] The invention belongs to the technical field of flaxseed extraction, in particular to a method for extracting flaxseed extract. Background technique [0002] In addition to rich linolenic acid, flaxseed also contains about 10% flax glue, about 19% protein, about 1% lignan, and about 28% dietary fiber. These nutrients and active ingredients are high in content and types It is unmatched by other plants. Because flaxseed is a treasure from the inside out, it is called "the functional food of the 21st century". However, due to technical bottlenecks, the comprehensive development and utilization of flax nutritional active ingredients are limited, which affects the development of flax industry. [0003] Studies have shown that from the relationship between the morphological structure of flaxseed and various nutritional components and bioactive components, they exist in the kernel and hull of flaxseed respectively: fat and protein are mainly distributed in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L33/22A23L33/105C07H1/08C07H15/18
CPCA23L33/22A23L33/105C07H1/08C07H15/18A23V2002/00
Inventor 王振李群许光映高忠东殷龙龙车星星赵鑫毛恺田歌徐琳胡晓军
Owner RES INST OF AGRO PROD PROCESSING SHANXI ACADEMY OF AGRI SCI
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