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Method for extracting panax notoginseng saponins from fresh panax notoginsengs

A technology of Panax notoginseng saponins and Panax notoginseng, which is applied in medical formulas, medical preparations containing active ingredients, plant raw materials, etc., can solve the problems of low extraction rate, complicated operation, and residual organic solvents, and achieve improved purity and operation simple effect

Inactive Publication Date: 2009-08-26
崔秀明 +1
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Problems solved by technology

[0002] The total saponins of Panax notoginseng are the main active ingredients in Panax notoginseng, and are widely used in the treatment of cardiovascular and cerebrovascular diseases. The current extraction process of total saponins of Panax notoginseng mainly uses organic solvent extraction, and the raw materials are extracted from dry Panax notoginseng. Loss occurs during the drying process, resulting in the disadvantages of low extraction rate, residual organic solvent, complicated operation, etc.

Method used

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Embodiment Construction

[0009] A method for extracting total saponins of notoginseng from fresh notoginseng, the specific method is:

[0010] ①Choose the raw material of fresh notoginseng, wash it, dry the surface water in a cool place, crush it, and set it aside.

[0011] ②Put the prepared fresh Panax notoginseng sample into an extraction tank, add 6-10 times the amount of 85% ethanol for reflux extraction, extract 3 times at a temperature of 60°C, filter, collect the filtrate, and set aside.

[0012] ③The filtrates were combined, concentrated, and the ethanol was recovered under reduced pressure in a vacuum at a temperature of 60°C to obtain the Radix Notoginseng Extract, which was set aside.

[0013] ④ Dissolve an appropriate amount of Panax notoginseng extract in water and pass it through a D101 macroporous adsorption resin column. The amount of resin used is 1.3 times that of the raw material. It is first eluted with distilled water and then with 70% ethanol. Collect the ethanol eluate for later...

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Abstract

The invention relates to a method for extracting panax notoginseng saponins from fresh panax notoginsengs, which comprises the following steps: adopting the fresh panax notoginsengs as raw materials; crushing the panax notoginsengs; soaking the panax notoginsengs in ethanol and extracting the same for three times; recycling the ethanol from an extracting solution; adsorbing a concentrated solution with D101 macroporous adsorbent resin; washing off impurities first with water, and then performing elution with the ethanol; collecting an eluent and recycling the ethanol; and passing the concentrated solution through an alumina column. With the method, the extraction ratio of the panax notoginseng saponins can reach more than 14 percent, which is at least 2 percentage points higher than other extraction methods.

Description

Technical field: [0001] The invention discloses a method for extracting total saponins of notoginseng from fresh notoginseng, which belongs to the field of traditional Chinese medicine. Background technique: [0002] The total saponins of Panax notoginseng are the main active ingredients in Panax notoginseng, and are widely used in the treatment of cardiovascular and cerebrovascular diseases. The current extraction process of total saponins of Panax notoginseng mainly uses organic solvent extraction, and the raw materials are extracted from dry Panax notoginseng. Losses occur during the drying process, which leads to the disadvantages of low extraction rate, organic solvent residue, complicated operation and the like in this extraction method. Invention content: [0003] The purpose of the present invention is to aim at the deficiencies of the existing extraction methods, from the selection of raw materials, to avoid the use of other organic solvents except water and ethan...

Claims

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Application Information

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IPC IPC(8): A61K36/258A61P7/04A61P7/06A61K125/00
Inventor 崔秀明孙玉琴
Owner 崔秀明
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