Voltammetric Determination of Anethole on La₂O₃/CPE and BDDE

Table 1

Content of anethole in various essential oils.

Type of plants	Country of origin	Part of plants	Method of obtaining oil and analysis	Content of anethole in the oil (%)	Reference
Fennel	Brazil	Seed	Supercritical fluid extraction (SFE), GC-MS	11.0–47.4-trans	[1]
Star anise	India	Fruit	Distillation in Clevenger-type apparatus, GC-MS	1.07-cis	[7]
				75.62-trans
Anise	Germany	Seed	Distillation in Clevenger-type apparatus, GC-MS	0.14-cis	[8]
				82.10-trans
Caraway	Different European countries	Fruit	Steam-distillation, GC-FID	0–2.2-trans	[9]
Bitter orange	Algeria	Peel	Distillation in Clevenger-type apparatus, GC-MS	2.3-trans	[10]