Patent ID: 11957781
Assignee: CHANEL PARFUMS BEAUTE
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 18:
19. The method according to claim 16, wherein the method further comprises the following steps:
g1) dissolving a residual powder obtained from the Swertia chirata extract contained in the solvent used for extracting with supercritical CO2 obtained at the end of step f) in an alcoholic solvent to obtain a mixture of the residual powder dissolved in the alcoholic solvent, wherein the alcoholic solvent being a same alcoholic solvent as the alcoholic solvent in the solvent used for extracting with supercritical CO2 or another alcoholic solvent;
h1) filtering the residual powder dissolved in the alcoholic solvent at the end of step g1) to obtain a residual powder extract;
i1) diluting the residual powder extract obtained at the end of step h1) in propanediol to obtain a diluted residual powder extract in the propanediol; and
j1) filtering the diluted residual powder extract in the propanediol obtained at the end of step i1) to obtain an aqueous-alcoholic Swertia chirata extract.