Extraction process of panax notoginseng saponins

• Main Author: SUN WEIBING
• Format: Patent
• Language: Chinese; English
• Published: 23.06.2023
• Subjects: HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES

The invention discloses an extraction process of panax notoginseng saponins, which comprises the following steps of: crushing panax notoginseng medicinal materials by a traditional Chinese medicinal material crusher, and sieving by a 50-mesh sieve to obtain medicinal material coarse powder; preparing a 10% ethanol solution, a 50% ethanol solution and a 90% ethanol solution; weighing 50g of pseudo-ginseng medicinal material coarse powder, respectively adding 10%, 50% and 90% ethanol solutions with the volume 10 times that of the pseudo-ginseng medicinal material coarse powder, and heating and refluxing twice for 2 hours each time; filtering the distillate, combining the two filtrates, discarding medicine residues, and concentrating the filtrates by using a rotary vacuum concentrator to prepare a panax notoginseng total saponin clear paste; adding ethyl acetate of which the volume is 2 times of the relative volume, extracting twice, combining extract liquor, and placing the extract liquor in a rotary vacuum con