Fennel bitter CO2 extract

At a glance

CO2 extract from Foeniculum vulgare seeds gives a bitter, anise‑like aroma with green, herbaceous and sweet notes, rich in anethole and estragole, used for sharp, spicy‑herbal accents in perfumery.

Category
🌿 Natural
Origin
Seed/Grain
Extraction
CO2 extraction
Chemical family
Phenylpropanoid
CAS number
8006-84-6
IFRA status
Restricted -- controlled via estragole content
● drafted · last checked 2026-09-01