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Preparation method of sargassum fusiforme dietary fiber

A technology for dietary fiber and hijiki, which is applied in the field of preparation of hijiki dietary fiber, achieves the effects of protecting tissue structure and physiological function, increasing full penetration and high yield

Inactive Publication Date: 2019-03-29
ZHEJIANG GONGSHANG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is currently no suitable industrialized food processing technology for hijiki in my country, so most hijiki are mainly exported to Japan

Method used

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  • Preparation method of sargassum fusiforme dietary fiber

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The preparation method of embodiment 1, hijiki dietary fiber may further comprise the steps:

[0039] (1), fresh hijiki is dried to constant weight, pulverized, crosses 60 mesh sieves;

[0040] (2) Enzymolysis: by adding 1 mol / L dilute hydrochloric acid to adjust the pH to 4-5 and a temperature of 48°C, add a compound enzyme accounting for 0.1% of the weight of Hijiki after crushing, and perform enzymolysis for 0.5h;

[0041] The compound enzyme is composed of 20FBG / g compound plant hydrolase and 5000u / g papain; the mass ratio of compound plant hydrolase and papain is 1:30;

[0042] (3) Acid hydrolysis: add 0.1mol / L HCl solution 10 times the mass of Hijiki after enzymolysis, soak for 1 hour, then wash until neutral and squeeze out the water; repeat the above process once;

[0043] (4) Alkaline hydrolysis: 10g / LNa 25 times the mass of hijiki after acid hydrolysis at a temperature of 75°C 2 CO 3 The solution was digested for 2h;

[0044] (5), after alkaline hydrolysis...

Embodiment 2

[0052] The preparation method of embodiment 2, hijiki dietary fiber may further comprise the steps:

[0053](1), the fresh Hijiki is dried, pulverized, and crossed a 70-mesh sieve;

[0054] (2) Enzymolysis: by adding 1 mol / L dilute hydrochloric acid to adjust the pH at 4.5 and a temperature of 49°C, add a compound enzyme accounting for 0.1% of the weight of Hijiki after crushing, and perform enzymolysis for 1 hour;

[0055] The compound enzyme is composed of 20FBG / g compound plant hydrolase and 5000u / g papain; the mass ratio of compound plant hydrolase and papain is 1:35;

[0056] (3) Acid hydrolysis: add 0.1mol / L HCl solution of 10 times the mass to the enzymatically hydrolyzed Hijiki, soak for 1 hour, then wash until neutral and squeeze out the water; repeat the above process once;

[0057] (4) Alkaline hydrolysis: use 10g / LNa of 25 times the mass of hijiki after acid hydrolysis at a temperature of 77°C 2 CO 3 The solution was digested for 2h;

[0058] (5), after alkalin...

Embodiment 3

[0066] The preparation method of embodiment 3, hijiki dietary fiber may further comprise the steps:

[0067] (1), fresh Hijiki is dried to constant weight, pulverized, and crossed an 80-mesh sieve;

[0068] (2) Enzymolysis: by adding 1 mol / L dilute hydrochloric acid to adjust the pH to 5 and the temperature at 50°C, add a compound enzyme accounting for 0.1% of the weight of Hijiki after crushing, and perform enzymolysis for 1.5 hours;

[0069] The compound enzyme is composed of 20FBG / g compound plant hydrolase and 5000u / g papain; the mass ratio of compound plant hydrolase and papain is 1:40;

[0070] (3) Acid hydrolysis: add 0.1mol / L HCl solution of 10 times the mass to the enzymatically hydrolyzed Hijiki, soak for 1 hour, then wash until neutral and squeeze out the water; repeat the above process once;

[0071] (4) Alkaline hydrolysis: 10g / LNa 25 times the mass of hijiki after acid hydrolysis at a temperature of 80°C 2 CO 3 The solution was digested for 2h;

[0072] (5), ...

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Abstract

The invention provides a preparation method of sargassum fusiforme dietary fiber. The method includes the steps of: drying, enzymolysis, acidolysis, alkaline hydrolysis, centrifugation, gelation, bleaching, drying, activation, alcohol dehydration and drying. The method provided by the invention employs a composite plant hydrolase to assist papain to extract sargassum fusiforme dietary fiber, greatly improves the protein hydrolysis rate of sargassum fusiforme, overcomes the disadvantage of poor one-time protein removal effect in common enzymatic method, effectively destroys cell walls, enhancesthe full permeation of a fiber crystalline area, completely releases part of the protein closely combined to residue, and is conducive to degradation of papain to protein so as to improve the productpurity.

Description

technical field [0001] The invention relates to a preparation method of hijiki highly active dietary fiber, in particular to a preparation method of hijiki dietary fiber. Background technique [0002] Hijiki belongs to the Phaeiophyta Sargassum family, which mainly grows in the warm temperate waters of the western North Pacific Ocean. Hijiki has long been used as medicine in the folk, and it has been included in the Chinese Pharmacopoeia together with the Sargasso plant Artemisia chinensis. Hijiki is rich in polysaccharides, crude fiber, vitamins and minerals, and contains 14 important trace elements necessary for the human body. It also has biologically active functions such as antibacterial, antiviral, anticancer, antioxidative, antimutagenic, anticoagulant, lowering blood pressure, lowering blood fat, and immune regulation. However, there is currently no suitable industrialized food processing technology for hijiki in my country, so most hijiki is mainly exported to Jap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L33/22
CPCA23L33/22
Inventor 卢延斌王洪欣
Owner ZHEJIANG GONGSHANG UNIVERSITY
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