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Preparation method of enteromorpha prolifera dietary fiber

A technology of dietary fiber and Enteromorpha, which is applied in the preparation of Enteromorpha dietary fiber and the field of dietary fiber preparation, can solve the problems of nutritional component destruction and nutritional value decline, and achieve low cost, reduced loss of active ingredients, and high purity. Effect

Active Publication Date: 2016-11-16
青岛海大生物集团股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its nutritional components are destroyed in the process of preparation, and its nutritional value is greatly reduced.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The Enteromorpha powder is naturally air-dried and then pulverized into dry Enteromorpha powder. Weigh 100kg of the Enteromorpha powder and wash and soak in purified water for 2 hours in a washing tank to remove attached salts and other impurities. The washed Enteromorpha is squeezed and dehydrated. After dehydration, the Enteromorpha has a water content of 25%. Put it into the reaction tank. Add 500kg of a weakly acidic pH 4 hydrochloric acid solution. The temperature is raised to 60°C and the temperature is kept for 5 hours to degrade; The moss is subjected to plate and frame filtration, and the filtrate produced is temporarily stored. The resulting filter residue is rinsed with purified water to neutrality and then put into the fermentor. The Haida biological compound bacteria agent is added for fermentation, and 0.5 g of compound bacteria agent is added per kilogram of filter residue. Fermented at 37°C for 3 hours, autoclaved at 120°C for 10 minutes after the fermenta...

Embodiment 2

[0027] The Enteromorpha powder is naturally air-dried and pulverized into dry Enteromorpha powder. Weigh 250kg of the Enteromorpha powder and wash and soak in purified water for 3 hours in a washing tank to remove attached salts and other impurities. The washed Enteromorpha is squeezed and dehydrated. After dehydration, the Enteromorpha has a water content of 26%. Put it into a reaction tank. Add 800kg of a weakly acidic pH3 sulfuric acid solution. The temperature is increased to 70°C and the temperature is kept for 4 hours. The alkaline hydrolysis of Enteromorpha Plate and frame filtration, the filtrate produced is temporarily stored first, the filtrate produced is rinsed with purified water to neutrality and then put into the fermenter, and the Haida biological compound bacterial agent is added for fermentation, and 0.8 g of compound bacterial agent is added per kilogram of filter residue. Fermented at 37°C for 3 hours, autoclaved at 120°C for 15 minutes after the fermentation...

Embodiment 3

[0029] The Enteromorpha powder is naturally air-dried and then pulverized into dry Enteromorpha powder. Weigh 100kg of the Enteromorpha powder and wash and soak in purified water for 2 hours in a washing tank to remove attached salts and other impurities. The washed Enteromorpha is squeezed and dehydrated. After dehydration, the Enteromorpha has a water content of 25%. Put it into the reaction tank. Add 700kg of a weakly acidic pH 4 hydrochloric acid solution. The temperature is raised to 60°C and the temperature is kept for 5 hours to degrade; The moss is subjected to plate and frame filtration, and the filtrate produced is temporarily stored. The resulting filter residue is rinsed with purified water to neutrality and then put into the fermentor. The Haida biological compound bacteria agent is added for fermentation, and 1.2 grams of compound bacteria agent is added per kilogram of filter residue. Fermented at 37°C for 4 hours, autoclaved at 120°C for 10 minutes after fermenta...

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PUM

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Abstract

The invention provides a preparation method of enteromorpha prolifera dietary fiber. The preparation method of the enteromorpha prolifera dietary fiber specifically comprises the following steps: washing and soaking dry enteromorpha prolifera with purified water so as to remove salt and impurities; dewatering the clearly washed enteromorpha prolifera by carrying out extruding, putting the dewatered enteromorpha prolifera into a reaction tank, and adding a weak acid solution so as to carry out degradation; filtering the enteromorpha prolifera after the acid hydrolysis, temporarily storing the produced filtrate, and rinsing the generated filter residues by using water until the filter residues are neutral; sending the filter residues into a fermentation tank, and adding a Seawin Biotech complex bacteria preparation so as to carry out fermentation; carrying out high-temperature high-pressure sterilizing after the completion of the fermentation, carrying out filtering after the sterilizing, and obtaining a filtrate; and then, combining the produced filtrate with the previous temporarily stored filtrate, and carrying out alcohol precipitating, filtrating, drying and crushing, so that water-soluble dietary fiber is prepared. Moreover, bleaching, water-washing, drying and ultrafine crushing are performed on the remaining sterilized filter residues, so that water-insoluble dietary fiber is prepared. The preparation method is high in extraction efficiency, high in product purity, simple in operation steps, strong in practicability and relatively low in cost; thus, the preparation method is suitable for preparing dietary fiber by carrying out large-scale treatment on enteromorpha prolifera.

Description

Technical field [0001] The invention relates to a preparation method of dietary fiber, in particular to a preparation method of Enteromorpha dietary fiber, and belongs to the technical field of nutrient extraction. Background technique [0002] In recent years, large-scale continuous green tides of Enteromorpha in the coastal waters of my country have been produced, and with the commissioning of offshore processing platforms, the quality of salvaged Enteromorpha has been greatly improved. Therefore, the high-value utilization of Enteromorpha has become a top priority. From the analysis of the ingredients of Enteromorpha over the years, it is found that Enteromorpha is rich in polysaccharides, cellulose, hemicellulose, vitamins and minerals, and is a high-quality raw material for the production of dietary fiber. Dietary Fiber (DF) is recognized by modern medicine and nutrition as the "seventh nutrient" alongside the traditional six nutrients. It refers to the food that can resist...

Claims

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Application Information

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IPC IPC(8): A23L33/22
Inventor 单俊伟郝晓晨王海华
Owner 青岛海大生物集团股份有限公司
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