Table 5.

List of commercial essential oils tested.

Plant Species	Essential Oil	Origin
Ocimum basilicum	Basil oil	Leaves
Citrus bergamia	Bergamot FCF oil	Peel
Cinnamomum zeylanicum	Cinnamon leaf oil	Leaves
Cymbopogon winterianus	Citronella oil	Aerial parts
Pelargonium graveolens	Geranium oil	Flowering herb
Lavandula angustifolia	Lavender oil	Flowering herb
Melissa officinalis	Melissa oil	Leaves and tops
Myrtus communis	Myrtle oil	Leaves
Mentha piperita	Peppermint oil	Whole plant
Salvia officinalis	Sage oil	Leaves
Mentha spicata	Spearmint oil	Aerial parts
Melaleuca alternifolia	Tea tree oil	Leaves and twigs