1 Scent Recorder Using an actual scent recorder to capture scent(its molecule), analyse its data, then reproduce with chemicals.
The Scent of History: Inside the Library of Smells
2 Ethanol extraction
Essential oil: Soak dried/raw materials into oil repeatedly and boil themuntil the oil is saturated with the floral essence(~3 times).
How to Make ROSE Essential Oils at Home and BENEFITS || AYURVED
Perfume base: Soak dried/raw materials into alcohol for 24-48hours How to Make Perfume Flowers Then add the essential oil to the base.
Click to view my development on applying The Ethanol Extraction: https://janicebistan.wixsite.com/fypblog/copy-of-s2c
3 Steam distillation
Example: CityU: The secret behind making transparent tea https://m.facebook.com/story.php?story_fbid=10155266370101696&id=182053561695
4 Others Hydro-distillation
Air-entrainment Solid-phase micro- extraction[SPME] solvent extraction