“…According to previous studies, 1,8-cineole ranging from 57.7 to 11.0%, camphor from 36.7 to 7.9% and αpinene from 24.7 to 5,7%, are the most represented components in all samples of R. officinalis EO from Mediterranean region : Algeria (Fellah, et al, 2018), Egypt (Fadel & El-Massry, 2000), France (Chalchat, et al, 1993), Italy (Napoli, et al, 2010;Serralutzu, et al, 2020), Lebanon (Diab, et al, 2002), Morocco (Chalchat, et al, 1993;Rahmouni, et al, 2019), Portugal (Mata, et al, 2007), Spain (Chalchat, et al, 1993;Salido, et al, 2003), Tunisia (Hcini, et al, 2013;Zaouali, et al, 2013) and Turkey (Celiktas, et al, 2007;Ozcan & Chalchat. 2008).…”