Table 1.

Essential oil yield of the 11 medicinal plants used in the current study

No.	Latin name	Common Egyptian name	Family	Part used	% yield (w/w)
1	Ammi majus L.	Khella barry	Apiaceae	Seeds	0.09
2	Ammi visnaga L.	Khella balady	Apiaceae	Seeds	0.08
3	Foeniculum vulgare Mill.	Shammar	Apiaceae	Seeds	1.1
4	Nerium oleander L.	Daflla	Apocynaceae	Leaf	0.07
5	Artemisia herba-alba Asso	Sheih balady	Asteraceae	Leaf	0.11
6	Calendula officinalis L.	Kanedula	Asteraceae	Flower	0.14
7	Conyza dioscoridis L.	Baranof	Asteraceae	Leaf	0.17
8	Matricaria recutita L.	Sheih baboning	Asteraceae	Flower	0.2
9	Ricinus communis L.	Kharwae	Euphorbiaceae	Seeds	0.01
10	Lawsonia inermis L.	Henna	Lythraceae	Leaf	0.15
11	Lantana camara L.	Lantana	Verbenaceae	Leaf	0.18