Compound extracted from buerger lespedeza root as well as extraction process and application of compound
A compound, the technology of blood ginseng, which is applied in the field of extraction of active ingredients in blood ginseng, can solve the problems of insufficient, limited development and quality control of blood ginseng medicinal materials and their preparations, few types of active ingredients, etc.
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[0090] A compound extracted from blood ginseng, said compound is blood ginsenoside, and its structural formula is:
[0091]
[0092] The extraction method of described compound comprises the following steps:
[0093] (1) Blood ginseng roots are dried, crushed, and extracted twice with 6-8 times of 85-95% ethanol under reflux, each time for 2-4 hours, and the dregs are extracted with 5-6 times of 55-65% ethanol under reflux for 1.5-2.5 h, combine the three extracts, recover the solvent under reduced pressure until there is no ethanol smell, add 1-2 times the amount of water to the obtained concentrated solution to dilute and disperse, and obtain product A;
[0094] (2) Product A is extracted with ethyl acetate, and the solvent is recovered under reduced pressure to obtain ethyl acetate extract, and product B is obtained;
[0095] (3) Take the ethyl acetate extract, add 1.2-1.5 times the amount of 40-80 mesh silica gel to mix the sample, separate the mixed sample by 200-300 ...
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