A process for preparing a partial extract of at least one of medical plants and spice plants, or parts thereof, containing both volatile-in-steam lipophilic components and non-volatile-in-steam lipophilic components thereof, said process comprising (i) mixing a plant or parts thereof with at least one organic solvent and extracting to form an extraction mixture of an organic phase containing volatile-in-steam lipophilic components and other lipophilic components of the plant, and a vegetable solid matter phase;
- (ii) adding a drying agent to remove water from the organic phase;
- (iii) separating a dried organic phase from the drying agent;
- and (iv) distilling the organic phase and recovering a lipophilic concentrate containing both volatile-in-steam lipophilic components and non-volatile-in-steam lipophilic components of the plant or parts thereof.