“…Finally, they, Zendehboudi et al, (2013), developed thermodynamic modeling for the adsorption of mentioned surfactant onto carbonate rock surface. In addition to these cited works involving the use of biosurfactant, Rahmati et al, (2015), have also investigated experimentally the effect of Natural Leaf-derived Surfactants on Wettability Alteration and interfacial tension reduction in water-oil system for enhanced oil recovery application Ziziphus species (Rhamnaceae) occur in warm-temperate and sub-tropical regions around the world, and they are commonly used as herbs in folk medicine for the treatment of various diseases, such as digestive disorders, weakness, liver complaints, obesity, urinary problems, diabetes, skin infections, fever, diarrhea, and insomnia (Abdel-Zaher et al, 2005). Ziziphus Spina-Christi, for instance, is a wild evergreen tree characterized by spiny branches and small orange fruits that is native to sub-tropical eastern Africa, the Middle East, and the Indian subcontinent, but also widespread in northwestern Africa.…”