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Method for extracting salidroside, polysaccharose and tannin-type substances from rhodiola root crude drugs

A technology of salidroside and rhodiola, which is applied in the field of deep processing of rhodiola medicinal materials, can solve the problems of discarding, less utilization of active ingredients such as tannin, waste of medicinal resources, etc., so as to reduce energy consumption and increase utilization value. , the effect of saving energy

Inactive Publication Date: 2011-06-29
CHINA ACAD OF SCI NORTHWEST HIGHLAND BIOLOGY INST
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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 and tannins are less utilized; at the same time, the residue after extraction of salidroside is generally discarded as waste, resulting in a waste of medicinal resources.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment 1 The method for extracting salidroside, polysaccharides and tannins from rhodiola medicinal materials comprises the following steps:

[0030] (1) Get 10kg rhodiola root and put it into the KMZ-2006 microwave vacuum dryer produced by Wenzhou Kangpai Pharmaceutical Machinery Co., Ltd. to dry, then put it into the ZFJ-200 type Chinese herbal medicine produced by Jiangyin City Over Machinery Co., Ltd. Crushed into 20-80 mesh powder in the machine.

[0031] (2) Put the powder obtained in step (1) into the HA221-40-12 type supercritical CO produced by Nantong Huaan Supercritical Extraction Equipment Co., Ltd. 2 In the extraction device, after extracting for 60-120 minutes at a pressure of 20-30 MPa and a temperature of 30-55° C., 0.84 kg of oily substances in Rhodiola rosea medicinal materials (oil yield 1.0%-2.0%) and residues were obtained.

[0032] (3) Add solvent water to the residue according to the weight-to-volume ratio of material to liquid at 1:10 to 1:3...

Embodiment 2

[0039] Embodiment 2 The method for extracting salidroside, polysaccharides and tannins from rhodiola medicinal materials comprises the following steps:

[0040](1) Take 10 kg rhodiola rhizome and put it into a microwave vacuum dryer to dry, then put it into a Chinese herbal medicine grinder and grind it into a powder of 20-80 meshes.

[0041] (2) Put the powder obtained in step (1) into supercritical CO 2 In the extraction device, after extracting for 60-120 minutes at a pressure of 20-30 MPa and a temperature of 30-55° C., 0.84 kg of oily substances in Rhodiola rosea medicinal materials (oil yield 1.0%-2.0%) and residues were obtained.

[0042] (3) Add solvent water to the residue according to the weight-to-volume ratio of feed to liquid 1:10~1:30, and then place it in the TQ-300 multifunctional concentrator produced by Wuhan Huipeng Pharmaceutical Machinery Equipment Co., Ltd. Under the condition of 80 ~ 100C, extract 1 ~ 3 times, after each reflux for 1 ~ 4h, then use a hi...

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Abstract

The invention relates to a method for extracting salidroside, polysaccharose and tannin-type substances from rhodiola root crude drugs. The method comprises the following steps of: firstly, drying andcrashing rootstalks of the rhodiola root crude drugs; then, adopting the supercritical carbon dioxide technology to extract oil type substances from the rhodiola root crude drugs, and carrying out microwave extraction, deposition in alcohol and filtration so as to obtain sediment and supernatant fluid; and then, drying the sediment to obtain a rough polysaccharose powder product of the rhodiola,and carrying out absorption by macroporous resin, elution and drying to the supernatant fluid so as to obtain a salidroside powder product; and finally, using acetone for extracting microwave extraction residue, and obtaining the rhodiola root tannin extract after centrifugation and drying. The method can simultaneously extract three active ingredients, namely, salidroside, polysaccharose and tannin in the rhodiola root, thus improving the utilization rate of the rhodiola root and increasing the utilization value of the rhodiola root.

Description

technical field [0001] The invention relates to the deep processing of rhodiola medicinal materials, in particular to a method for extracting salidroside, polysaccharides and tannins from the rhodiola medicinal materials. Background technique [0002] Rhodiola is a sedum, herbaceous or subshrub plant that grows on limestone, granite mountains, glaciers, mountain ridge grasslands or valley rocks at an altitude of 3500-5000 meters. It is called "suromabu" in Tibetan. Because Rhodiola grows in extremely harsh and changeable natural environmental conditions, it has withstood the tolerance of low oxygen, low temperature, dryness, strong wind, strong ultraviolet radiation, and large temperature difference between day and night, making it genetically adapted to the changeable alpine environment. Harsh environment, so it breeds special adaptive substances that other plants do not have, so it has anti-cancer, anti-oxidation, anti-hypoxia, anti-fatigue, anti-aging and other effects; a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07H15/18C07H1/08C08B37/00C07G99/00A61P39/06A61P37/02A61P9/00A61P25/00A61P1/16A61P35/00A61P25/28A61P25/20A61P39/00A61P31/12A61P3/10A61P31/00
CPCY02P20/54
Inventor 胡凤祖董琦杜玉枝皮立张春红
Owner CHINA ACAD OF SCI NORTHWEST HIGHLAND BIOLOGY INST
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