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Process for extracting aloinose

An aloe vera polysaccharide and extraction process technology, applied in the field of aloe vera polysaccharide extraction process, can solve the problems of difficulty in separation, extraction and purification, low content of aloe vera polysaccharide, failure to put into production, etc., and achieves cost reduction, simple process, and alcohol consumption saving. Effect

Inactive Publication Date: 2003-12-31
湖南金正方生物科技有限公司
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AI Technical Summary

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 aloinose

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Embodiment Construction

[0009] 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 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 cloth with wat...

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Abstract

The aloe polysaccharide extracting process includes pulping aloe leaf into juice, filtering, centrifuging, circulating concentration to obtain concentrated aloe gel, mixing aloe gel with alcohol via stirring, letting stand for 1-3 hr, filtering to collect coarse aloe polysaccharide and recover alcohol, washing filtering cloth to obtain washing liquid, merging washing liquid and coarse aloe polysaccharide, dissolving via stirring to obtain water solution of coarse aloe polysaccharide, filtering to obtain filtrate liquid, ultrafiltering and nano filtering with ultrafiltering film and nano filtering film, collecting concentrated liquid as the product. The said process can separate aloe polysaccharide as most while maintaining its activity, and may be used in mass production.

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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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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