Method for preparing ginsenoside Rb<1>
A technology of ginsenoside and ginseng, which is applied in the field of preparation of active ingredients of ginsenoside Rb1, and can solve the problems of no content determination, high cost, and high cost
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Embodiment 1
[0078] The total saponins of Panax notoginseng obtained by extracting Panax notoginseng were dissolved in water, filtered, and the filtrate was passed through a HPD-100 macroporous adsorption resin column, washed with water, eluted with 40% ethanol, and the eluent was discarded, then eluted with 50% ethanol, and collected 50% eluent, dried, the dried matter was dissolved in ethanol, filtered, added acetone to the filtrate, left to precipitate, filtered and dried to obtain ginsenoside Rb 1 .
[0079] The total saponins of Panax notoginseng are purchased commercially;
[0080] The above ginsenosides as Rb 1 Pharmaceutical raw materials can be prepared into pharmaceutically acceptable pharmaceutical preparations.
Embodiment 2
[0082] Take the total ginseng saponins extracted from ginseng, dissolve them in water, filter, and pass the filtrate through a HPD-100A macroporous adsorption resin column, wash with water, elute with 40% ethanol, discard the eluate, elute with 50% ethanol, and collect 50% The eluate was dried, and the dried product was dissolved in 95% ethanol, filtered, and the filtrate was added with organic solvent ethyl acetate, left to precipitate, filtered, and dried to obtain ginsenoside Rb 1 .
[0083] The extraction method of total ginseng saponins is prepared according to existing patent documents or scientific documents.
[0084] The above ginsenosides as Rb 1 Pharmaceutical raw materials can be prepared into pharmaceutically acceptable pharmaceutical preparations.
Embodiment 3
[0086] Extract the total saponins obtained from American ginseng, dissolve them in water, filter, and pass the filtrate through a HPD-300 macroporous adsorption resin column, wash with water, elute with 40% ethanol, discard the eluate, elute with 50% ethanol, and collect 50% eluate liquid, dried, and the dried matter was dissolved in n-butanol, filtered, and the filtrate was added with organic solvents acetone and ethyl acetate, left to precipitate, filtered, and dried to obtain ginsenoside Rb 1 .
[0087] The method for extracting total saponins of American ginseng is prepared according to existing patent documents or scientific documents.
[0088] The above ginsenosides as Rb 1 Pharmaceutical raw materials can be prepared into pharmaceutically acceptable pharmaceutical preparations.
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