Hamed, S.F., Shaaban, H.A., Ramadan, A.A. and Edris, A.E. 2017. Potentials of enhancing the physicochemical and functional characteristics of Nigella sativa oil by using the screw pressing technique for extraction. Grasas y Aceites. 68, 2 (Jun. 2017), e188. DOI:https://doi.org/10.3989/gya.0818162.