Preparation method of Iota carrageenan liquid

A technology of carrageenan and glue solution, applied in the clean production process field of Iota carrageenan, can solve the problems of reducing the production enthusiasm of enterprises, large discharge of process cleaning water, and affecting the industrialization process of ι-type carrageenan

Active Publication Date: 2020-08-21
JIMEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the extraction of ι-type carrageenan mainly adopts strong alkali treatment processes such as sodium hydroxide and potassium hydroxide. In actual production, the consumption of strong alkali is large, and the discharge of pro

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Weigh 10Kg of Eucheuma I type, clean and set aside. Prepare a 0.05% (W / V) hydrochloric acid treatment solution, add Eucheuma type I to the hydrochloric acid treatment solution at a ratio of 1:30 to the solid, acidify for 20 minutes, and then rinse until neutral. According to the ratio of 1:200, Ca(OH) 2 Add to water and stir to fully dissolve to form Ca(OH) 2 treatment fluid. At a ratio of 1:30 (W 麒麟菜 :V 料液 ), combining Eucheuma and Ca(OH) 2 The treatment solutions were mixed and stirred evenly, and then the glue was boiled at 100°C for 8 hours. Then, CO was introduced into the glue 2 , stirring, the glue appears turbid, when the pH value is about 8, stop feeding CO 2 , using plate and frame filtration; the obtained filtrate was passed through CO again 2 , when the filtrate is completely clarified, stop feeding CO 2 Then, in the ratio of 1:2 (V:V), industrial ethanol is added to the filtrate to carry out alcohol precipitation, and the obtained rubber block is d...

Embodiment 2

[0032] Weigh 10Kg of Eucheuma I type, clean and set aside. Prepare a 0.05% (W / V) hydrochloric acid treatment solution, add Eucheuma type I to the hydrochloric acid treatment solution at a ratio of 1:30 to the solid, acidify for 20 minutes, and then rinse until neutral. According to the ratio of 1:100, Ca(OH) 2 Add to water and stir to fully dissolve. Next, at a ratio of 1:30 (W 麒麟菜 :V 料液 ), combining Eucheuma and Ca(OH) 2 The treatment solutions were mixed and stirred evenly, and then the glue was boiled at 100°C for 8 hours. Then, CO was introduced into the glue 2 , stirring, the glue appears turbid, when the pH value is about 8, stop feeding CO 2 , using plate and frame filtration; the obtained filtrate was passed through CO again 2 , when the filtrate is completely clarified, stop feeding CO 2 ; Then, in the ratio of 1:2 (V:V), industrial ethanol is added to the filtrate for alcohol precipitation, and the resulting rubber block is dried and pulverized to obtain Iota...

Embodiment 3

[0035] Weigh 10Kg of Eucheuma I type, clean and set aside. Prepare a 0.05% (W / V) hydrochloric acid treatment solution, add Eucheuma type I to the hydrochloric acid treatment solution at a ratio of 1:30 to the solid, acidify for 20 minutes, and then rinse until neutral. According to the ratio of 1:100, Ca(OH) 2 Add to water and stir to fully dissolve. Next, at a ratio of 1:30 (W 麒麟菜 :V 料液 ), combining Eucheuma and Ca(OH) 2 The solutions were mixed and stirred evenly, and the glue was boiled at 100°C for 12h. Then, CO was introduced into the glue 2 , stirring, the glue appears turbid, when the pH value is about 8, stop feeding CO 2 , using plate and frame filtration; the obtained filtrate was passed through CO again 2 , when the filtrate is completely clarified, stop feeding CO 2 ; Then, in the ratio of 1:2 (V:V), industrial ethanol is added to the filtrate for alcohol precipitation, and the resulting rubber block is dried and pulverized to obtain Iota kara powder.

[0...

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Abstract

The invention discloses a preparation method of an Iota carrageenan liquid. The method is characterized by comprising the following steps: acidifying I-type eucheuma; rinsing the acidified I-type eucheuma to be neutral; putting the rinsed I-type eucheuma in a Ca(OH)2 solution environment; heating to melt glue; introducing CO2 to react with Ca(OH)2 so as to generate CaCO3; and filtering to obtain the Iota carrageenan liquid. The method is environmentally friendly and short in production period, the extracted Iota carrageenan liquid is further subjected to alcohol precipitation, drying and smashing to obtain Iota carrageenan powder with obviously improved indexes such as gel strength, viscosity and yield can be obtained, and high application value is achieved.

Description

technical field [0001] The invention relates to the field of carrageenan processing, in particular to a clean production process for Iota carrageenan. Background technique [0002] Carrageenan is a red algae polysaccharide extracted from red algae such as Eucheuma and Carrageenan. It has excellent gel properties, rheological properties, biodegradability, and synergistic effects with other food colloids. Therefore, it is widely used in food, cosmetics, biomedicine and other industries. The ι-type (Iota), κ-type (Kappa) and λ-type (Lamda) are the main three types of carrageenans. [0003] The main raw material of ι-carrageenan is Eucheuma, which is widely planted in the Philippines and the coast of Indonesia. The gel formed by iota-type carrageenan is soft and full of elasticity, thixotropy, water retention and freeze-thaw stability, and its unique sulfate ester group has good biological activity. Therefore, iota-type carrageenan is widely used in the field of food and medic...

Claims

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Application Information

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IPC IPC(8): C08B37/00
CPCC08B37/0003C08B37/0042
Inventor 肖安风
Owner JIMEI UNIV
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