Abstract Some tree species have distributions on both sides of the Strait Gibraltar and Sicily. It is a challenge to determine whether such result from Tertiary or Pleistocene more recent dispersal related human activities. Tetraclinis articulata (Cupressaceae) gymnosperm that offers an ideal model deal with this problem because it has limited area distribution been used only moderately by huma...

This study was carried out to evaluate the in vitro antioxidant activity and chemical composition of essential oils organic extracts Moroccan Tetraclinis articulata cones (Khemisset region). The GC–MS analysis identified a total 23 volatile components. major constituents oil were ?-pinene (18.33%), cis-verbenone (10.02%), L-pinocarveol (8. 32%). For phytosterols hexane extract, ?-sitosterol con...