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Method for extracting laminarin from kelp

A technology of kelp polysaccharide and extraction method, which is applied in the field of polysaccharide extraction, can solve the problems that restrict the deep processing and application of kelp polysaccharide, and achieve the effects of shortening the extraction time, maturing the process, and promoting dissolution

Inactive Publication Date: 2015-04-01
GUILIN HEYINXIANG NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] There are some deficiencies in the existing methods, which restrict the deep processing and application of laminarin to a certain extent

Method used

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  • Method for extracting laminarin from kelp

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A method for extracting laminarin, comprising the steps of:

[0019] 1) Raw material processing: 10 kg of dried sea-tangle is pulverized;

[0020] 2) Ultra-high pressure treatment: add 400kg of pure water to the pulverized kelp, pressure 350MPa, temperature 85°C, ultra-high pressure treatment for 4 minutes, filter after completion, and collect the filtrate;

[0021] 3) Ultrasonic treatment: The filtrate obtained in step 2) was ultrasonically treated for 10 minutes at an operating temperature of 85°C and a power of 300W. After completion, filter and collect the filtrate;

[0022] 4) Protein removal and drying: after the filtrate obtained in step 3) is concentrated, the protein is removed by the Sevag method, the upper layer solution is collected, and laminarin is obtained after freeze-drying.

Embodiment 2

[0024] A method for extracting laminarin, comprising the steps of:

[0025] 1) Raw material processing: crush 10kg of fresh kelp;

[0026] 2) Ultra-high pressure treatment: add 600kg of pure water to the crushed kelp, pressure 350MPa, action temperature 80°C, ultra-high pressure treatment for 2min, filter after completion, and collect the filtrate;

[0027] 3) Ultrasonic treatment: The filtrate obtained in step 2) was ultrasonically treated for 8 minutes at an operating temperature of 80°C and a power of 300W. After completion, filter and collect the filtrate;

[0028] 4) Protein removal and drying: after the filtrate obtained in step 3) is concentrated, the protein is removed by the Sevag method, the upper layer solution is collected, and laminarin is obtained after freeze-drying.

Embodiment 3

[0030] A method for extracting laminarin, comprising the steps of:

[0031] 1) Raw material processing: 10 kg of dried sea-tangle is pulverized;

[0032] 2) Ultra-high pressure treatment: Add 500kg of pure water to the pulverized kelp, pressure 350MPa, temperature 70°C, ultra-high pressure treatment for 5 minutes, filter after completion, and collect the filtrate;

[0033] 3) Ultrasonic treatment: process the filtrate obtained in step 2) for 5 minutes with ultrasonic treatment at a temperature of 70° C. and a power of 300 W. After completion, filter and collect the filtrate;

[0034] 4) Protein removal and drying: after the filtrate obtained in step 3) is concentrated, the protein is removed by the Sevag method, the upper layer solution is collected, and laminarin is obtained after freeze-drying.

[0035] result:

[0036]

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Abstract

The invention discloses a method for extracting laminarin from kelp. The method comprises the following steps of: treating raw materials, treating at ultrahigh pressure, treating with ultrasonic waves, removing proteins, and drying to the obtain a finished product. Because laminarin is extracted by adopting two methods, the laminarin extraction time can be shorted on the one hand, and the yield of laminarin can be increased on the other hand.

Description

technical field [0001] The invention relates to a method for extracting polysaccharides, in particular to a method for extracting laminaria polysaccharides from kelp. Background technique [0002] Kelp (Laminaria Japonica Aresch) is a large seaweed belonging to the genus Laminaria of the order Laminariae. Laminaria is rich in a variety of functional components and has high edible and medicinal value. Especially in recent years, it has been found that laminaria polysaccharides have multiple Biological activities in various aspects, such as immune regulation, anti-tumor, anti-coagulation, lipid-lowering, hypoglycemic, anti-oxidation, etc. [0003] There are also many scholars who have studied and discussed the extraction methods of laminarin polysaccharides. The traditional methods are mainly acid extraction, alkali extraction, and enzyme extraction. There are certain defects in these extraction methods. Acid extraction can cause polysaccharide hydrolysis and alkali extracti...

Claims

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Application Information

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IPC IPC(8): C08B37/00
Inventor 周冠旻
Owner GUILIN HEYINXIANG NEW MATERIALS
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