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Method for preparing gelatinous enteromorpha polysaccharide

The technology of prolifera polysaccharide and gelatinity is applied in the field of preparation of gelatinous prolifera polysaccharide, and achieves the effects of good taste, low production cost and simple process

Inactive Publication Date: 2012-05-30
FUJIAN AGRI & FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

None of the patents at home and abroad involve the method and application of gelling polysaccharides prepared from Enteromorpha as raw materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Take 5g of enteromorpha that has been washed, dried and crushed, passed through a 30-mesh sieve, soaked in 5 times of water for 4 hours, extracted in a water bath at 80°C for 2 hours, centrifuged, extracted with 5 times of water from the algae residue, repeated extraction 3 times, combined Extract solution; add potassium chloride to make the concentration of the extract solution reach 5%, leave it overnight to obtain a yellow-green polysaccharide gel; squeeze it through a press, remove the supernatant, add 0.5mL of 10% hydrochloric acid to the precipitate to acidify, and adjust to pH ≤2, place for 4 hours; centrifuge at 3000 rpm for 10 minutes, remove the supernatant, mix 8 mL of 10% sodium carbonate into the sediment to neutralize it to form a paste, place for 2 hours; dry and pulverize to obtain light yellow gel Enteromorpha polysaccharides.

Embodiment 2

[0020] Take 5g of Enteromorpha that has been washed, dried and crushed, passed through a 40 mesh sieve, soaked in 30 times of water for 0.5 hours, extracted in a water bath at 100°C for 0.5 hours, passed through a 200 mesh sieve, extracted with 3 times of water from the algae residue, and repeated Extract 2 times, combine the extracts; add potassium chloride to make the concentration 25%, let it stand for 2 hours to obtain a yellow-green polysaccharide gel; centrifuge at 2000 rpm for 10 minutes, remove the supernatant, add 0.5mL of 20% hydrochloric acid to acidify, Adjust to pH ≤ 2, place for 2h; centrifuge at 2000 rpm for 10min, remove the supernatant, mix in 5mL of 10% sodium hydroxide to neutralize to form a paste, place for 0.5h; dry and pulverize to obtain a light yellow gel Colloidal enteromorpha polysaccharide.

Embodiment 3

[0022] Take 5g of enteromorpha that has been washed, dried and crushed, passed through a 40-mesh sieve, soaked in 5 times of water for 0.5h, extracted in a water bath at 90°C for 1 hour, extracted with 5 times of water from the algae residue, repeated extraction twice, and combined for extraction solution, passed through a 200-mesh sieve; added magnesium chloride to make the mass concentration 5%, and left for 5 hours to obtain a yellow-green polysaccharide gel; centrifuged at 3000 rpm for 10 minutes, removed the supernatant, added 0.5mL of 10% hydrochloric acid to acidify, and adjusted to pH≤2, stand for 4h; centrifuge at 3000 rpm for 10min, remove the supernatant, mix in 10mL of 15% sodium bicarbonate to neutralize to form a paste, stand for 2h; dry and pulverize to obtain light yellow gel moss polysaccharides.

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PUM

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Abstract

The invention relates to a method for preparing gelatinous enteromorpha polysaccharide. In the method, enteromorpha is taken as a raw material and the gelatinous enteromorpha polysaccharide is prepared by the steps of hot water extraction, salt coagulation, acidification and desalination and dietary alkali neutralization. The method for preparing the gelatinous enteromorpha polysaccharide aims tomake full use of enteromorpha resource, making waste profitable and relieving environment pollution caused by the enteromorpha. The method has the advantages of simple process, low production cost and contribution to industrial production. The prepared gelatinous enteromorpha polysaccharide has good taste, is convenient to eat and is edible after being dissolved into hot water to form gel-like gelatinous enteromorpha polysaccharide. Gel products with different gel intensities are obtained by adding different types of salt into the gelatinous enteromorpha polysaccharide.

Description

technical field [0001] The invention relates to a preparation method of gelatinous enteromorpha polysaccharide, which belongs to the field of food industry. Background technique [0002] Enteromorpha is an algal plant of the genus Enteromorpha of the genus Enteromorpha of the order Ulvaceae of the order Chlorophyta, commonly known as moss strips, green seaweed, etc. It has been edible and medicinal algae since ancient times. Enteromorpha is widely distributed along the coast of my country and can grow all year round. Due to its extremely fast reproduction speed, it is easy to cause ecological imbalance in the water, make the water quality abnormally deteriorate, and endanger the normal growth and survival of fish, shrimp and shellfish. On the other hand, Enteromorpha is rich in nutrition, rich in carbohydrates, protein, crude fiber and minerals, as well as fat and vitamins. Due to the coarse fiber and strong fishy smell of Enteromorpha, the quality of direct consumption is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23L1/28A23L1/337A23L17/60C08B37/00
Inventor 陈小梅崔玉兰吴丽妹谢苗甘纯玑
Owner FUJIAN AGRI & FORESTRY UNIV