Preparation method of walnut inner seed coat dietary fibers and walnut inner seed coat dietary fibers

A technology of dietary fiber and endosperm is applied in the field of walnut endosperm dietary fiber and walnut endosperm dietary fiber preparation, and can solve the problems of affecting the efficacy of dietary fiber, reducing the water-holding capacity of the product, and low purity of the dietary fiber, and achieving Reduce resource waste and environmental pollution, strong water holding capacity and swelling capacity, and small fiber particle size

Inactive Publication Date: 2018-01-09
北京中康长和健康科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the soluble dietary fiber in the walnut inner testa produced by the traditional processing method has problems such as low purity,

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0014] The method for preparing the dietary fiber in walnut endotheca of the present invention specifically includes the following steps:

[0015] A. Pre-treatment: After the walnut inner seed coat is dried and crushed, it is cooked with distilled water at 110-120°C for 30-40 minutes, then concentrated, dried and crushed. Then the raw materials are slowly sprayed with water while stirring to adjust the moisture content of the raw materials To 100-150%, then stop stirring and take out the raw materials, seal for 5-30 minutes, then put the raw materials into the steam explosion device, raise the pressure to 0.8-1.0Mpa in 1-4 minutes, release the pressure instantly after holding the pressure for 50-80s, and take it out The raw material is added with a NaOH solution with a concentration of 2.5-3% by mass, and ultrasonically extracted at a power of 160-200W for 25-30min to obtain an extract, then the extract is centrifuged at 5500-6000r / min for 3-4min and filtered, and the filter resid...

Embodiment 1

[0029] The preparation method of walnut inner seed coat dietary fiber includes the following steps:

[0030] A. Pre-treatment: After the walnut inner seed coat is dried, crushed, steamed at 110°C for 30 minutes with distilled water, concentrated, dried, crushed, and then slowly sprayed and added water while stirring to adjust the moisture content of the raw material to 100%. Then stop stirring and take out the raw materials, seal for 5 minutes, and then put the raw materials into the steam explosion device, raise the pressure to 0.8Mpa in 1 minute, and release the pressure instantly after holding the pressure for 50 seconds. Take out the raw materials and add the NaOH solution with a concentration of 2.5 mass percentage at 160W. Ultrasonic extraction for 25 minutes to obtain the extract, and then centrifuge the extract at 5500 r / min for 3 minutes and filter, and take the filter residue as the dietary fiber raw material;

[0031] B. Preparation of semi-finished products: add water t...

Embodiment 2

[0035] The preparation method of walnut inner seed coat dietary fiber includes the following steps:

[0036] A. Pre-treatment: After the walnut inner seed coat is dried, crushed, steamed at 120°C for 40 minutes with distilled water, concentrated, dried, crushed, and then slowly sprayed and added water while stirring to adjust the moisture content of the raw material to 150%. Then stop stirring and take out the raw materials, seal for 30 minutes, and then put the raw materials into the steam explosion device, raise the pressure to 1.0Mpa in 4 minutes, and release the pressure instantly after holding the pressure for 80 seconds. Take out the raw materials and add the NaOH solution with a concentration of 3 mass percentage at 200W power. Ultrasonic extraction for 30 minutes to obtain the extract, and then centrifuge the extract at 6000r / min for 4 minutes and filter, and take the filter residue as the dietary fiber raw material;

[0037] B. Preparation of semi-finished products: add wa...

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PUM

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Abstract

The invention discloses a preparation method of walnut endocarp dietary fiber, which comprises pretreatment, semi-finished product preparation, purification and posttreatment. Also disclosed is a walnut inner testa dietary fiber prepared according to the walnut inner testa dietary fiber preparation method. The method of the present invention adopts a method of combining high-temperature cooking treatment, steam explosion treatment and ultrasonic treatment on the raw material in the pretreatment, which can effectively destroy the structure and organization of the raw material, fully expose the contents, and combine with the impurity removal treatment to further reduce the Non-dietary fiber components in the raw materials, the raw materials after pretreatment not only help to enhance the enzymatic hydrolysis effect of hydrolase, make the enzymatic hydrolysis more sufficient to improve the purity of the finished product, but also effectively improve the palatability of the finished product; after enzymatic hydrolysis Purification is then carried out to further improve the purity, and the finished product has the advantages of high purity; the walnut endocarp dietary fiber of the present invention also has the advantages of small fiber particle size, strong water holding capacity and strong expansion capacity.

Description

Technical field [0001] The invention belongs to the technical field of dietary fiber preparation, and specifically relates to a method for preparing walnut inner seed coat dietary fiber and walnut inner seed coat dietary fiber. Background technique [0002] Dietary fiber is an important non-nutrient. It is a type of non-starch polysaccharides and oligosaccharides in carbohydrates and other indigestible parts. It cannot be digested and absorbed by the human gastrointestinal tract, nor can it produce energy. However, in recent years, more and more studies have shown that the intake of dietary fiber is closely related to human health. Sufficient intake of dietary fiber will reduce the risk of constipation, obesity, diabetes, cardiovascular disease and intestinal cancer. For example, dietary fiber can absorb a lot of water in the intestinal tract, keep the stool soft, effectively activate the beneficial bacteria in the intestinal tract, promote the proliferation of beneficial bacteri...

Claims

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Application Information

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IPC IPC(8): A23L33/22
Inventor 刘竞元杨映宁刘潇阳陈朝银
Owner 北京中康长和健康科技有限公司
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