The invention discloses a method for extracting active substances of a
traditional Chinese medicine formula for
soap, and belongs to the technical field of extraction of active substances of traditional Chinese medicines. According to the invention, a
Chinese patent medicine Huidoqing
capsule is taken as a prototype, and active substances in a traditional Chinese medicinal material formula (containing radix sophorae flavescentis, cortex dictamni and the like) are extracted by adopting a
deep eutectic solvent (DES) and utilizing an ultrasonic-assisted technology. The
taurine-
urea eutectic
solvent prepared by the method has the best extraction effect on total flavonoids and alkaloids in a
traditional Chinese medicine formula. On the basis, the
medicated soap is prepared from the
traditional Chinese medicine formula extracting solution, and the good use evaluation is achieved.