Saturday, 15 March 2025, 5:40 PM
Site: NPA Natural Perfumery Education
Course: NPA Natural Perfumery Education (NPA)
Glossary: Natural Perfume Academy Main Glossary
I
Incensenotes incorporating sweet, powdery and resinous essences |
IndoleIndole is an aromatic heterocyclic organic compound. It naturally occurs in human feces and has an intense faecal odour. At very low concentrations though, it has a very flowery smell, and is a constituent of many floral scents (such as orange blossoms) and perfumes. It tends to lend a "dirty" quality to a perfume. |
Infusionwhole botanical materials immersed in a hot medium, diluent or carrier; botanical material in warmed oil is considered an infusion |
Insolubleraw materials (essential oils, resins, absolutes, concretes, etc.) which do not dissolve in a diluent (alcohol, solvent, oil, water, etc.) |