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Preparation method of pumpkin dietary fiber and the pumpkin dietary fiber

A dietary fiber and pumpkin technology, which is applied in the preparation of pumpkin dietary fiber and the field of pumpkin dietary fiber, can solve the problems of low purity of pumpkin soluble dietary fiber, affecting the efficacy of dietary fiber, and reducing the water holding capacity of the product, achieving small fiber particle size, Improving palatability, water holding capacity and strong swelling effect

Inactive Publication Date: 2017-12-22
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 pumpkin soluble dietary fibers produced by traditional processing methods have problems such as low purity, low yield, and poor taste.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

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

[0015] A. Pretreatment: After drying and crushing the pumpkin raw materials, 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...

Embodiment 1

[0029] The preparation method of pumpkin dietary fiber comprises the following steps:

[0030] A. Pretreatment: After drying and crushing the pumpkin with seeds removed, add distilled water to 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 to adjust the water content of the raw materials to 100%, and then Stop stirring 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, under 160W power Extract for 25min to obtain the extract, then centrifuge the extract at 5500r / min for 3min and then filter, take the filter residue, then add water to the filter residue, the mass ratio of filter residue to water is 1:1, then add impurity-removing...

Embodiment 2

[0035] The preparation method of pumpkin dietary fiber comprises the following steps:

[0036]A. Pretreatment: After drying and crushing the pumpkin with seeds removed, add distilled water to 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 stirring 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, under 200W power Extract for 30min to obtain the extract, then centrifuge the extract at 6000r / min for 4min and filter, take the filter residue, then add water to the filter residue, the mass ratio of the filter residue to water is 1:6, then add the decontamin...

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Abstract

The invention discloses a preparation method of a pumpkin dietary fiber. The preparation method includes the steps of: pretreatment, production of a semi-product, purification, and post-treatment. The invention also discloses the pumpkin dietary fiber produced through the method. In the pretreatment, a 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 of cellulase 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 pumpkin 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 pumpkin dietary fiber and pumpkin 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 bacteria, and cre...

Claims

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Application Information

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IPC IPC(8): A23L33/22A23L5/30A23L5/10
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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