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Preparation method of wheat bran dietary fiber and the wheat bran dietary fiber

A technology of wheat bran dietary fiber and dietary fiber, which is applied in the field of preparation of wheat bran dietary fiber and wheat bran dietary fiber, can solve the problems of reduced water holding capacity of products, influence of dietary fiber efficacy, low dietary fiber purity, and the like, and achieves water holding capacity. Strong ability, strong expansion ability, small fiber particle size effect

Inactive Publication Date: 2017-12-22
中康长和健康科技(北京)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional processing methods such as enzymatic hydrolysis and chemical methods, most of the wheat bran soluble dietary fiber produced by such traditional methods have problems such as low purity, low yield, and poor taste, and some even cause the water holding capacity of the product to decrease, affecting the diet. Fiber Efficacy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0014] The preparation method of wheat bran dietary fiber of the present invention specifically comprises the following steps:

[0015] A. Pretreatment: After drying and crushing the wheat bran, add distilled water and cook at 110-120°C for 30-40 minutes, then concentrate, dry and crush the raw materials, then slowly spray and add water to the raw materials while stirring, and adjust the water content of the raw materials to 100 ~150%, then stop stirring and take out the raw material, seal it for 5~30min, then put the raw material into the steam explosion device, raise it to 0.8~1.0Mpa in 1~4min, release the pressure instantly after holding the pressure for 50~80s, take out the raw material and add The NaOH solution with a mass percentage concentration of 2.5-3 is extracted at a power of 160-200W for 25-30 minutes to obtain an extract, and then the extract is centrifuged at 5500-6000r / min for 3-4 minutes and then filtered, and the filter residue is taken, and then water is adde...

Embodiment 1

[0028] The preparation method of wheat bran dietary fiber comprises the following steps:

[0029] A. Pretreatment: After drying and crushing the wheat bran, add distilled water and cook at 110°C for 30 minutes, then concentrate, dry, and crush the raw materials, then slowly spray and add water to the raw materials while stirring, adjust the water content of the raw materials to 100%, and then stop Stir and take out the raw material, seal it for 5 minutes, then put the raw material into the steam explosion device, raise it to 0.8Mpa in 1 minute, release the pressure instantly after holding the pressure for 50s, take out the raw material and add NaOH solution with a mass percentage concentration of 2.5, at 160-200W power Extract at low temperature for 25min to obtain the extract, then filter the extract by centrifuging at 5500r / min for 3min, take the filter residue, then add water to the filter residue, the mass ratio of the filter residue to water is 1:1, then add the decontamin...

Embodiment 2

[0034] The preparation method of wheat bran dietary fiber comprises the following steps:

[0035] A. Pretreatment: After drying and crushing the wheat bran, add distilled water and cook at 120°C for 40 minutes, then concentrate, dry, and crush the raw materials, then slowly spray and add water to the raw materials while stirring, adjust the water content of the raw materials to 150%, and then stop Stir and take out the raw material, seal it for 30 minutes, then put the raw material into the steam explosion device, raise it to 1.0Mpa in 4 minutes, release the pressure instantly after holding the pressure for 80 seconds, take out the raw material and add NaOH solution with a mass percentage concentration of 3, and extract it under 200W power After 30min to obtain the extract, the extract was centrifuged at 6000r / min for 4min and then filtered, the filter residue was taken, and then water was added to the filter residue. The mass ratio of mixed enzymes is 1:0.035, the enzymolysis...

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Abstract

The invention discloses a preparation method of a wheat bran dietary fiber. The preparation method includes the steps of: pretreatment, production of a semi-product, purification, and post-treatment. The invention also discloses the wheat bran dietary fiber produced through the method. In the pretreatment, a wheat bran raw material is subjected to high-temperature steaming, steam explosion and ultrasonic treatment in a combination manner, so that the structure and tissue of the raw material are effectively damaged and inclusions are completely exposed; by means of impurity removal treatment, content of non-dietary fiber components in the raw material is reduced. After the pretreatment, enzymolysis effect with cellulase or a compound enzyme including cellulase and hemicellulase is increased, so that enzymolysis is more completely and the purity of the product is increased, in addition, the palatability of the product is improved; after the enzymolysis, purification is carried out to further increase the purity, so that the product is high in purity; the wheat bran dietary fiber has small fiber particle size and has high water retention capability and expansion property.

Description

technical field [0001] The invention belongs to the technical field of dietary fiber preparation, and in particular relates to a preparation method of wheat bran dietary fiber and the wheat bran dietary fiber. Background technique [0002] Dietary fiber is an important non-nutrient. It is a kind of indigestible part of carbohydrates such as non-starch polysaccharides and oligosaccharides. It can neither 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, and adequate intake of dietary fiber will reduce the risk of constipation, obesity, diabetes, cardiovascular disease and intestinal cancer. For example, dietary fiber can absorb a large amount 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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Patent Type & Authority Applications(China)
IPC IPC(8): A23L33/22A23L29/00A23L5/00A23L5/10A23L5/30A23L5/20
CPCA23L33/22A23L5/00A23L5/13A23L5/25A23L5/32A23L29/06A23V2002/00A23V2200/30A23V2250/5116A23V2300/48A23V2300/24
Inventor 刘竞元杨映宁陈朝银其他发明人请求不公开姓名
Owner 中康长和健康科技(北京)有限公司
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