| abstract |
The present invention relates to a method for extracting an extract of a herbal composition, which comprises extracting an extract of a herbal composition using a three-step aqueous extraction method, concentrating and drying the active ingredient in a supercritical fluid to obtain an extract powder, The composition of the present invention is more than 95%, and since it contains almost all the active ingredients of the herbal extract powder in the extract powder, the medicinal bath preparation for the treatment of hypertension insomnia, Control, Yin-Yang balance, and sleep improvement effect is greatly improved. The present invention uses a microwave to dry-sterilize a paste-concentrated drug at a microwave frequency of 2400-2500 MHz and a dry sterilization time of 25-35 min. This process is performed without using a high temperature heating method, Since the drying process is carried out together, it is possible to maintain the activity of the drug to the maximum and to avoid the destruction of the drug activity. |