Method for combined extraction of salidroside and rhodiola polysaccharide

A technology of salidroside and rhodiola rosea, which is applied in the field of joint extraction of salidroside and rhodiola rosea polysaccharides, which can solve the problems of waste of resources and less utilization of active ingredients

Pending Publication Date: 2021-05-11
西藏纽伟仕生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the main application of Rhodiola is salidroside, and the active ingredients such as polysaccharides are less utilized; the residue after extraction of salidroside is discarded as waste, which will cause waste of resources

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1 extracts the method for salidroside and polysaccharide from rhodiola medicinal material, comprises the following steps:

[0027] (l) Take 1 kg rhodiola rhizome and dry it in a vacuum dryer, then crush it into 80-mesh powder.

[0028] (2) Put the powder obtained in step (1) into a Soxhlet extractor, and extract with petroleum ether under reflux for 2 hours to obtain an extract. Rotary steaming the extract to obtain the oil and fat substances in the Rhodiola rosea medicinal material, and obtain the solid residue.

[0029] (3) Add water to the solid residue according to the weight-to-volume ratio of material to liquid at 1:20-1:30, and then place it in an ultrasonic extraction equipment, at 70-80°C, with an extraction power of 150-320W, and each extraction time is 8 After three times of ultrasonic extraction under the condition of -10min, the extracts were combined and centrifuged to obtain the extract and the extraction residue.

[0030] (4) Concentrate the...

Embodiment 2

[0034] The method for extracting salidroside and polysaccharides from rhodiola medicinal materials comprises the following steps:

[0035] (l) Take 1 kg rhodiola rhizome and dry it in a vacuum dryer, then crush it into 80-mesh powder.

[0036] (2) Put the powder obtained in step (1) into a Soxhlet extractor, and extract with petroleum ether under reflux for 2 hours to obtain an extract. Rotary steaming the extract to obtain the oil and fat substances in the Rhodiola rosea medicinal material, and obtain the solid residue.

[0037] (3) Add solvent water to the residue according to the weight-to-volume ratio of material to liquid at 1:20—l:30, and then place it in an ultrasonic extraction equipment. After ultrasonic extraction three times under the condition of 8-10min, the extracts were combined and centrifuged to obtain the extract and the extraction residue.

[0038] (4) Concentrate the extract in step (3) with a rotary evaporator to obtain a concentrated solution; add ethan...

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PUM

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Abstract

The invention discloses a method for combined extraction of salidroside and rhodiola polysaccharide. The method comprises the following steps of: firstly, extracting grease components in rhodiola by using petroleum ether, and then extracting salidroside and rhodiola polysaccharide in the rhodiola in an aqueous phase ultrasonic-assisted manner; and carrying out alcohol precipitation and filtration on an extracting solution to obtain polysaccharide components, and carrying out concentration and resin adsorption separation on filtrate to obtain salidroside with relatively high content. According to the method, the extraction route of salidroside is optimized, meanwhile, polysaccharide products can be obtained, and the utilization rate of raw materials is improved.

Description

technical field [0001] The invention belongs to the field of natural product extraction, and relates to a method for jointly extracting salidroside and rhodiola rosea polysaccharide. Background technique [0002] Salidroside is a compound extracted from the dry roots and rhizomes of Sedum sedum Rhodiola or dried whole grass, which can prevent tumors, enhance immune function, delay aging, resist fatigue, resist hypoxia, prevent Radiation, two-way regulation of the central nervous system, repair and protection of the body and so on. [0003] Rhodiola grows in the shrubs in the alpine and pollution-free zone at an altitude of 1800-2500 meters or at an altitude of 3500- [0004] On the 5,000-meter-high mountain flowing stone, it is called "suromabu" in Tibetan. Because it grows in an extremely harsh environment such as hypoxia, low temperature and dryness, strong wind, strong ultraviolet radiation, and large temperature difference between day and night, it has genetically adap...

Claims

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Application Information

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IPC IPC(8): C07H1/08C07H15/18C08B37/00
CPCC07H15/18C07H1/08C08B37/0003
Inventor 胡祥正丁增尼玛
Owner 西藏纽伟仕生物科技有限公司
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