2.2.6. Basil oil
Basil volatile oil comprises aldehydes, alkaloids, tannins, glycosides, phenols, saponins and terpenes with low amounts of β-carotene and vitamin C. Basil includes several essential oil such as eugenol, β-elemene, τ-cadinol, τ-muralol, α-caryophyllene and α-bisabolol [23]. Basils have been establish to be evidence against many bacterial, protozoal, fungal and specially viral infections. Moreover basil is proved to inhibit carcinogenic cells growth. O. basilicum has widespread uses of traditional medicine as headaches, colds, chest, lung problems, influenza, tonic, appetizer, expectorant, neuralgia, catarrh, fevers, coughs, asthma, influenza and bronchitis [24].