Table 2.

Extraction of essential oils from various sources using different methods.

Essential Oils	Plant Source	Major Components	Extraction Methods	Ref.
Rosemary	Rosmarinus officinalis	Cineole, camphor, α-pinene	Hydrodistillation	[40]
Neroli	Citrus aurantium	Linalyl acetate, linalool, α-terpineol	Hydrodistillation	[41]
Tobacco	Nicotiana tabacum	β-Damascenone, β-damascone, cembrene	Solvent extraction	[42]
Lemon	Citrus latifolia	Limonene, γ-terpinene, β-pinene	Solvent extraction	[43]
Chokeberry	Aronia melanocarpa	Cyanidin-3-galactoside, quercetin-3-glucoside	Maceration	[44]
Thyme	Thymus serpyllum	Rosmarinic acid, salvianolic acid	Maceration	[45]
Lavender	Lavandula angustifolia	Linalool, camphor, terpinen-4-ol	Supercritical fluid extraction	[46]
Mint	Mentha spicata	Menthone, carvone, limonene	Supercritical fluid extraction	[47]
Basil	Ocimum basilicum	Linalool, methyl-cinnamate, β-cubebene	Microwave-assisted extraction	[48]
Epazote	Chenopodium ambrosioides	Ascaridole, carvacrol, caryophyllene oxide	Microwave-assisted extraction	[48]
Celery	Apium graveolens	Limonene, β-selinene, sedanenolid	Ultrasound-assisted extraction	[49]
Sweet wormwood	Artemisia annua	Camphor, eucalyptol, myrtenol	Ultrasound-assisted extraction	[50]