Solvent extraction
- Manufacturing of concretes :
Extracting using volatile solvents (for instance hexane, or cyclohexane & ethyl acetate) of a fresh vegetable raw material, then eliminating the solvents.
- Manufacturing of resinoids :
Extracting using volatile solvents (for instance hexane, or cyclohexane & ethyl acetate) of a dried vegetable raw material, then eliminating the solvents.
- Manufacturing of oleoresins :
Hydro-alcoholic extraction of spices (for instance vanilla beans, black pepper seeds, fenugreek seeds, etc.) then eliminating the ethanol.
- Manufacturing of absolutes :
Extracting using volatile solvent (ethyl alcohol) of a resinoid, then filtering to eliminate the "waxes", then distillating in order to evaporate the ethanol.
