Table 1.

Eucalyptus essential oil yield at the different regions of Tunisia

	E.m	E.a	E.c	E.le	E.l	E.s	E.b
Yield of essential oil (%)	1.5	1.2	3	1.6	2.8	3	2

E.m : E. maideni; E.a : E. astrengens; E.c : E. cinerea; E.le : E. leucoxylon; E.l : E. lehmani; E.s : E. sideroxylon; E.b : E. bicostata.