Process for extracting aloe polysaccharide

An aloe polysaccharide and extraction process technology, which is applied in the field of aloe polysaccharide extraction technology, can solve the problems of separation, extraction and purification difficulties, low content of aloe polysaccharides, and failure to put it into production, and achieve cost reduction, simple process, and alcohol consumption. Effect

Inactive Publication Date: 2005-06-29
湖南金正方生物科技有限公司
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Problems solved by technology

However, the polysaccharide content of aloe vera is very low, and it is very difficult to separate, extract and purify
In the laboratory, the traditional method is to extract the crude polysaccharides of aloe vera by ethanol precipitation and then separated by glucose gel, but this method has not been put into production

Method used

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  • Process for extracting aloe polysaccharide

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Embodiment Construction

[0008] Referring to the accompanying drawings, after the fresh leaves of aloe are picked, they are soaked in clear water for a period of time and washed. Soak in disinfectant for 15 minutes, rinse with clean water, cut the leaf sheath and trim the leaf tip, peel off the skin, mash the mesophyll into a colloid, and carry out biological depreciation. Pass the aloe vera gel juice after decondensation through a three-legged centrifuge to obtain a centrifugal supernatant, take the supernatant and pass it through an ultrafiltration membrane and then a nanofiltration membrane, collect the concentrated solution that has passed through the ultrafiltration membrane and nanofiltration membrane, and obtain the aloe Aloe Vera Gel Concentrated Juice with 1 / 20 of the original juice. Add 9 times the volume of 95% ethanol to the concentrated aloe vera gel, stir well at room temperature, and let stand for 2 hours. Filtrate, recover ethanol, collect the crude polysaccharide, wash the filter clo...

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Abstract

Aloe polysaccharide extraction process, the treated fresh leaves of aloe are mashed into aloe leaf juice, filtered, centrifuged, and concentrated in circulation to obtain aloe gel concentrate juice, adding 9 times the amount of 95% ethanol to the aloe gel concentrate juice, Fully stir at room temperature, stand still for 1-3 hours, filter, recover ethanol, collect aloe crude polysaccharide, wash the filter cloth with water for 3 times, combine the washing liquid with the crude polysaccharide, stir and dissolve to obtain the crude polysaccharide aqueous solution, filter, collect the filtrate, and The filtrate is subjected to ultrafiltration and nanofiltration through an ultrafiltration membrane and a nanofiltration membrane, and the concentrated solution is collected to obtain the product. The invention can separate the aloe polysaccharide from the aloe to the greatest extent, save energy and maintain its original activity for extraction and purification, and is a process for mass-producing the extraction of the aloe polysaccharide.

Description

technical field [0001] The invention relates to a preparation process for extracting aloe polysaccharide from fresh leaves of aloe or concentrated juice of aloe gel. Background technique [0002] Aloe extract is an important raw material in medicine, chemical industry and food, and aloe polysaccharide is one of the main functional components in aloe extract. However, the content of aloe polysaccharides is very low, and it is very difficult to separate, extract and purify. In the laboratory, the traditional method is to extract the crude polysaccharides of aloe vera by ethanol precipitation, and then separate them by glucose gel, but this method has not been put into production. Improving the separation, extraction and purification technology of aloe polysaccharides is a necessary condition for batch production of high-quality aloe polysaccharides. Contents of the invention [0003] The technical problem to be solved in the present invention is to provide a process for ex...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08B37/00
Inventor 杨力周治德胡俊
Owner 湖南金正方生物科技有限公司
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