Patent ID: 11896707
Assignee: ETH ZURICH
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 1:
2. The preparation of claim 1, wherein said plant extracts
are present in an amount of
0.0001-10 wt % in case of crude plant extracts, or
0.00001-5 wt % in case of enriched extracts, or
10 pM-10 mM in case of purified substances of said plant extracts based on the total weight of the preparation;

are obtained by an extraction method using at least one of a solvent and a fluid selected from the group consisting of: a polar solvent, an apolar solvent, and a supercritical fluid, and/or mixtures of CO2 with C1-C3 alcohols or with acetone; and/or
are obtained from one or more of: fresh extracts of the plant's roots, fresh extracts of the plant's green part, dried extracts of the plant's roots, or dried extracts of the plant's green part.